Merge pull request #10 from Nightapes/fixes

Fixes

.gitignore

@@ -15,3 +15,4 @@ go-semantic-release
 .version
 .vscode/settings.json
 CHANGELOG.md
+cover.html

.release.yml

@@ -1,11 +1,10 @@
 commitFormat: angular
 title: "go-semantic-release release"
 branch:
-  master: release
+  master: beta
   rc: rc
   beta: beta
   alpha: alpha
-  add_git_releases: alpha
 changelog:
   printAll: false
   template: ''

.travis.yml

@@ -29,11 +29,11 @@ script:
   - go test -v ./...
   - go build -o build/go-semantic-release-temp ./cmd/go-semantic-release/
   - echo "Building version `./build/go-semantic-release-temp next --loglevel debug --no-cache`"
-  - go build -o build/go-semantic-release  -ldflags "-X main.version=`./build/go-semantic-release-temp next`" ./cmd/go-semantic-release/
-  - GOOS=windows GOARCH=386 go build -o build/go-semantic-release.exe  -ldflags "-X main.version=`./build/go-semantic-release-temp next`" ./cmd/go-semantic-release/
+  - go build -o build/go-semantic-release  -ldflags "-w -s --X main.version=`./build/go-semantic-release-temp next`" ./cmd/go-semantic-release/
+  - GOOS=windows GOARCH=386 go build -o build/go-semantic-release.exe  -ldflags "-w -s -X main.version=`./build/go-semantic-release-temp next`" ./cmd/go-semantic-release/
 
 after_success:
-  - ./build/go-semantic-release-temp release --loglevel debug
+  - ./build/go-semantic-release-temp release --loglevel trace
 
 branches:
   except:

cmd/go-semantic-release/commands/changelog.go

@@ -40,11 +40,17 @@ var changelogCmd = &cobra.Command{
 			return err
 		}
 
-		releaseVersion, err := s.GetNextVersion(force)
+		provider, err := s.GetCIProvider()
 		if err != nil {
 			return err
 		}
 
+		releaseVersion, err := s.GetNextVersion(provider, force)
+		if err != nil {
+			return err
+		}
+		log.Debugf("Found %d commits till last release", len(releaseVersion.Commits))
+
 		generatedChangelog, err := s.GetChangelog(releaseVersion)
 		if err != nil {
 			return err

cmd/go-semantic-release/commands/next.go

@@ -2,8 +2,8 @@ package commands
 
 import (
 	"fmt"
-
 	"github.com/Nightapes/go-semantic-release/pkg/semanticrelease"
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
 
@@ -35,7 +35,15 @@ var nextCmd = &cobra.Command{
 			return err
 		}
 
-		releaseVersion, err := s.GetNextVersion(force)
+		provider, err := s.GetCIProvider()
+
+		if err != nil {
+			log.Infof("Will not calculate version, set fake version. Could not find CI Provider, if running locally, set env CI=true")
+			fmt.Println("0.0.0-fake.0")
+			return nil
+		}
+
+		releaseVersion, err := s.GetNextVersion(provider, force)
 		if err != nil {
 			return err
 		}

cmd/go-semantic-release/commands/release.go

@@ -32,6 +32,12 @@ var releaseCmd = &cobra.Command{
 		if err != nil {
 			return err
 		}
-		return s.Release(force)
+
+		provider, err := s.GetCIProvider()
+		if err != nil {
+			return err
+		}
+
+		return s.Release(provider, force)
 	},
 }

cmd/go-semantic-release/commands/root.go

@@ -31,11 +31,7 @@ func Execute(version string) {
 }
 
 func init() {
-	currentDir, err := os.Getwd()
-	if err != nil {
-		panic(err)
-	}
-	rootCmd.PersistentFlags().StringP("repository", "r", currentDir, "Path to repository")
+	rootCmd.PersistentFlags().StringP("repository", "r", "./", "Path to repository")
 	rootCmd.PersistentFlags().StringP("loglevel", "l", "error", "Set loglevel")
 	rootCmd.PersistentFlags().StringP("config", "c", ".release.yml", "Path to config file")
 	rootCmd.PersistentFlags().Bool("no-cache", false, "Ignore cache, don't use in ci build")

cmd/go-semantic-release/commands/set.go

@@ -31,6 +31,11 @@ var setCmd = &cobra.Command{
 			return err
 		}
 
-		return s.SetVersion(args[0])
+		provider, err := s.GetCIProvider()
+		if err != nil {
+			return err
+		}
+
+		return s.SetVersion(provider, args[0])
 	},
 }

go.mod

@@ -10,12 +10,13 @@ require (
 	github.com/kevinburke/ssh_config v0.0.0-20190630040420-2e50c441276c // indirect
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/cobra v0.0.5
+	github.com/stretchr/testify v1.3.0
 	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
 	golang.org/x/net v0.0.0-20190628185345-da137c7871d7 // indirect
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb // indirect
 	google.golang.org/appengine v1.6.1 // indirect
-	gopkg.in/src-d/go-billy.v4 v4.3.1 // indirect
+	gopkg.in/src-d/go-billy.v4 v4.3.1
 	gopkg.in/src-d/go-git.v4 v4.12.0
 	gopkg.in/yaml.v2 v2.2.2
 )

go.sum

@@ -48,6 +48,7 @@ github.com/kevinburke/ssh_config v0.0.0-20180830205328-81db2a75821e h1:RgQk53JHp
 github.com/kevinburke/ssh_config v0.0.0-20180830205328-81db2a75821e/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
 github.com/kevinburke/ssh_config v0.0.0-20190630040420-2e50c441276c h1:VAx3LRNjVNvjtgO7KFRuT/3aye/0zJvwn01rHSfoolo=
 github.com/kevinburke/ssh_config v0.0.0-20190630040420-2e50c441276c/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=

internal/analyzer/analyzer.go

@@ -4,14 +4,14 @@ package analyzer
 import (
 	"fmt"
 
-	"github.com/Nightapes/go-semantic-release/internal/gitutil"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
 	"github.com/Nightapes/go-semantic-release/pkg/config"
 	log "github.com/sirupsen/logrus"
 )
 
 //Analyzer struct
 type Analyzer struct {
-	analyzeCommit analyzeCommit
+	analyzeCommits analyzeCommits
 	Config         config.ChangelogConfig
 }
 
@@ -19,26 +19,15 @@ type Analyzer struct {
 type Rule struct {
 	Tag       string
 	TagString string
-	Release   string
+	Release   shared.Release
 	Changelog bool
 }
 
-type analyzeCommit interface {
-	analyze(commit gitutil.Commit, tag Rule) (AnalyzedCommit, bool, error)
+type analyzeCommits interface {
+	analyze(commit shared.Commit, tag Rule) (shared.AnalyzedCommit, bool, error)
 	getRules() []Rule
 }
 
-//AnalyzedCommit struct
-type AnalyzedCommit struct {
-	Commit                      gitutil.Commit
-	ParsedMessage               string
-	Scope                       string
-	ParsedBreakingChangeMessage string
-	Tag                         string
-	TagString                   string
-	Print                       bool
-}
-
 //New Analyzer struct for given commit format
 func New(format string, config config.ChangelogConfig) (*Analyzer, error) {
 	analyzer := &Analyzer{
@@ -46,9 +35,9 @@ func New(format string, config config.ChangelogConfig) (*Analyzer, error) {
 	}
 
 	switch format {
-	case "angular":
-		log.Debugf("Commit format set to angular")
-		analyzer.analyzeCommit = newAngular()
+	case ANGULAR:
+		analyzer.analyzeCommits = newAngular()
+		log.Debugf("Commit format set to %s", ANGULAR)
 	default:
 		return nil, fmt.Errorf("invalid commit format: %s", format)
 	}
@@ -58,21 +47,21 @@ func New(format string, config config.ChangelogConfig) (*Analyzer, error) {
 
 // GetRules from current mode
 func (a *Analyzer) GetRules() []Rule {
-	return a.analyzeCommit.getRules()
+	return a.analyzeCommits.getRules()
 }
 
 // Analyze commits and return commits splitted by major,minor,patch
-func (a *Analyzer) Analyze(commits []gitutil.Commit) map[string][]AnalyzedCommit {
+func (a *Analyzer) Analyze(commits []shared.Commit) map[shared.Release][]shared.AnalyzedCommit {
 
-	analyzedCommits := make(map[string][]AnalyzedCommit)
-	analyzedCommits["major"] = make([]AnalyzedCommit, 0)
-	analyzedCommits["minor"] = make([]AnalyzedCommit, 0)
-	analyzedCommits["patch"] = make([]AnalyzedCommit, 0)
-	analyzedCommits["none"] = make([]AnalyzedCommit, 0)
+	analyzedCommits := make(map[shared.Release][]shared.AnalyzedCommit)
+	analyzedCommits["major"] = make([]shared.AnalyzedCommit, 0)
+	analyzedCommits["minor"] = make([]shared.AnalyzedCommit, 0)
+	analyzedCommits["patch"] = make([]shared.AnalyzedCommit, 0)
+	analyzedCommits["none"] = make([]shared.AnalyzedCommit, 0)
 
 	for _, commit := range commits {
-		for _, rule := range a.analyzeCommit.getRules() {
-			analyzedCommit, hasBreakingChange, err := a.analyzeCommit.analyze(commit, rule)
+		for _, rule := range a.analyzeCommits.getRules() {
+			analyzedCommit, hasBreakingChange, err := a.analyzeCommits.analyze(commit, rule)
 			if err == nil {
 				if a.Config.PrintAll {
 					analyzedCommit.Print = true

internal/analyzer/analyzer_test.go

@@ -0,0 +1,16 @@
+package analyzer_test
+
+import (
+	"testing"
+
+	"github.com/Nightapes/go-semantic-release/internal/analyzer"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAnalyzer(t *testing.T) {
+
+	_, err := analyzer.New("unknown", config.ChangelogConfig{})
+	assert.Error(t, err)
+
+}

internal/analyzer/angular.go

@@ -8,17 +8,22 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
-	"github.com/Nightapes/go-semantic-release/internal/gitutil"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
 )
 
 type angular struct {
 	rules []Rule
 	regex string
+	log   *log.Entry
 }
 
+// ANGULAR identifer
+const ANGULAR = "angular"
+
 func newAngular() *angular {
 	return &angular{
 		regex: `(TAG)(?:\((.*)\))?: (.*)`,
+		log:   log.WithField("analyzer", ANGULAR),
 		rules: []Rule{
 			{
 				Tag:       "feat",
@@ -76,9 +81,9 @@ func (a *angular) getRules() []Rule {
 	return a.rules
 }
 
-func (a *angular) analyze(commit gitutil.Commit, rule Rule) (AnalyzedCommit, bool, error) {
+func (a *angular) analyze(commit shared.Commit, rule Rule) (shared.AnalyzedCommit, bool, error) {
 
-	analyzed := AnalyzedCommit{
+	analyzed := shared.AnalyzedCommit{
 		Commit:    commit,
 		Tag:       rule.Tag,
 		TagString: rule.TagString,
@@ -89,25 +94,25 @@ func (a *angular) analyze(commit gitutil.Commit, rule Rule) (AnalyzedCommit, boo
 	if len(matches) >= 1 {
 		if len(matches[0]) >= 3 {
 
-			analyzed.Scope = matches[0][2]
+			analyzed.Scope = shared.Scope(matches[0][2])
 
 			message := strings.Join(matches[0][3:], "")
 			if !strings.Contains(message, "BREAKING CHANGE:") {
-				analyzed.ParsedMessage = message
+				analyzed.ParsedMessage = strings.Trim(message, " ")
 
-				log.Tracef("%s: found %s", commit.Message, rule.Tag)
+				a.log.Tracef("%s: found %s", commit.Message, rule.Tag)
 				return analyzed, false, nil
 			}
 			breakingChange := strings.SplitN(message, "BREAKING CHANGE:", 2)
 
-			analyzed.ParsedMessage = breakingChange[0]
-			analyzed.ParsedBreakingChangeMessage = breakingChange[1]
+			analyzed.ParsedMessage = strings.Trim(breakingChange[0], " ")
+			analyzed.ParsedBreakingChangeMessage = strings.Trim(breakingChange[1], " ")
 
-			log.Tracef(" %s, BREAKING CHANGE found", commit.Message)
+			a.log.Tracef(" %s, BREAKING CHANGE found", commit.Message)
 			return analyzed, true, nil
 		}
 	}
-	log.Tracef("%s does not match %s, skip", commit.Message, rule.Tag)
+	a.log.Tracef("%s does not match %s, skip", commit.Message, rule.Tag)
 	return analyzed, false, fmt.Errorf("not found")
 
 }

internal/analyzer/angular_test.go

@@ -0,0 +1,173 @@
+package analyzer_test
+
+import (
+	"testing"
+
+	"github.com/Nightapes/go-semantic-release/internal/analyzer"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAngular(t *testing.T) {
+
+	testConfigs := []struct {
+		testCase        string
+		commits         []shared.Commit
+		analyzedCommits map[shared.Release][]shared.AnalyzedCommit
+	}{
+		{
+			testCase: "feat",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(internal/changelog): my first commit",
+							Author:  "me",
+							Hash:    "12345667",
+						},
+						Scope:         "internal/changelog",
+						ParsedMessage: "my first commit",
+						Tag:           "feat",
+						TagString:     "Features",
+						Print:         true,
+					},
+				},
+				"major": []shared.AnalyzedCommit{},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			commits: []shared.Commit{
+				shared.Commit{
+					Message: "feat(internal/changelog): my first commit",
+					Author:  "me",
+					Hash:    "12345667",
+				},
+			},
+		},
+		{
+			testCase: "feat breaking change",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(internal/changelog): my first commit",
+							Author:  "me",
+							Hash:    "12345667",
+						},
+						Scope:         "internal/changelog",
+						ParsedMessage: "my first commit",
+						Tag:           "feat",
+						TagString:     "Features",
+						Print:         true,
+					},
+				},
+				"major": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(internal/changelog): my first break BREAKING CHANGE: change api to v2",
+							Author:  "me",
+							Hash:    "12345668",
+						},
+						Scope:                       "internal/changelog",
+						ParsedMessage:               "my first break",
+						Tag:                         "feat",
+						TagString:                   "Features",
+						Print:                       true,
+						ParsedBreakingChangeMessage: "change api to v2",
+					},
+				},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			commits: []shared.Commit{
+				shared.Commit{
+					Message: "feat(internal/changelog): my first commit",
+					Author:  "me",
+					Hash:    "12345667",
+				},
+				shared.Commit{
+					Message: "feat(internal/changelog): my first break BREAKING CHANGE: change api to v2",
+					Author:  "me",
+					Hash:    "12345668",
+				},
+			},
+		},
+		{
+			testCase: "invalid",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{},
+				"major": []shared.AnalyzedCommit{},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			commits: []shared.Commit{
+				shared.Commit{
+					Message: "internal/changelog: my first commit",
+					Author:  "me",
+					Hash:    "12345667",
+				},
+			},
+		},
+		{
+			testCase: "feat and build",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(internal/changelog): my first commit",
+							Author:  "me",
+							Hash:    "12345667",
+						},
+						Scope:         "internal/changelog",
+						ParsedMessage: "my first commit",
+						Tag:           "feat",
+						TagString:     "Features",
+						Print:         true,
+					},
+				},
+				"none": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "build(internal/changelog): my first build",
+							Author:  "me",
+							Hash:    "12345668",
+						},
+						Scope:                       "internal/changelog",
+						ParsedMessage:               "my first build",
+						Tag:                         "build",
+						TagString:                   "Changes to CI/CD",
+						Print:                       false,
+						ParsedBreakingChangeMessage: "",
+					},
+				},
+				"patch": []shared.AnalyzedCommit{},
+				"major": []shared.AnalyzedCommit{},
+			},
+			commits: []shared.Commit{
+				shared.Commit{
+					Message: "feat(internal/changelog): my first commit",
+					Author:  "me",
+					Hash:    "12345667",
+				},
+				shared.Commit{
+					Message: "build(internal/changelog): my first build",
+					Author:  "me",
+					Hash:    "12345668",
+				},
+			},
+		},
+	}
+
+	angular, err := analyzer.New("angular", config.ChangelogConfig{})
+	assert.NoError(t, err)
+
+	for _, test := range testConfigs {
+		analyzedCommits := angular.Analyze(test.commits)
+		assert.Equalf(t, test.analyzedCommits["major"], analyzedCommits["major"], "Testcase %s should have major commits", test.testCase)
+		assert.Equalf(t, test.analyzedCommits["minor"], analyzedCommits["minor"], "Testcase %s should have minor commits", test.testCase)
+		assert.Equalf(t, test.analyzedCommits["patch"], analyzedCommits["patch"], "Testcase %s should have patch commits", test.testCase)
+		assert.Equalf(t, test.analyzedCommits["none"], analyzedCommits["none"], "Testcase %s should have none commits", test.testCase)
+	}
+
+}

internal/cache/cache.go

@@ -5,49 +5,61 @@ import (
 	"io/ioutil"
 	"path"
 
+	log "github.com/sirupsen/logrus"
+
+	"github.com/Masterminds/semver"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
 	"gopkg.in/yaml.v2"
 )
 
-// ReleaseVersion struct
-type ReleaseVersion struct {
-	Last   ReleaseVersionEntry `yaml:"last"`
-	Next   ReleaseVersionEntry `yaml:"next"`
-	Branch string              `yaml:"branch"`
-	Draft  bool                `yaml:"draft"`
-}
-
-//ReleaseVersionEntry struct
-type ReleaseVersionEntry struct {
-	Commit  string `yaml:"commit"`
-	Version string `yaml:"version"`
-}
-
 // Write version into .version
-func Write(repository string, versionFileContent ReleaseVersion) error {
+func Write(repository string, releaseVersion shared.ReleaseVersion) error {
 	completePath := path.Join(path.Dir(repository), ".version")
 
-	data, err := yaml.Marshal(&versionFileContent)
+	if releaseVersion.Last.Version != nil {
+		releaseVersion.Last.VersionString = releaseVersion.Last.Version.String()
+	}
+
+	if releaseVersion.Next.Version != nil {
+		releaseVersion.Next.VersionString = releaseVersion.Next.Version.String()
+	}
+
+	//toCache := &ReleaseVersion(releaseVersion)
+	data, err := yaml.Marshal(releaseVersion)
 	if err != nil {
 		return err
 	}
 
+	log.Infof("Save %s with hash %s to cache %s", releaseVersion.Next.Version.String(), releaseVersion.Next.Commit, completePath)
 	return ioutil.WriteFile(completePath, data, 0644)
 }
 
 // Read version into .version
-func Read(repository string) (*ReleaseVersion, error) {
+func Read(repository string) (*shared.ReleaseVersion, error) {
 	completePath := path.Join(path.Dir(repository), ".version")
 
 	content, err := ioutil.ReadFile(completePath)
 	if err != nil {
-		return &ReleaseVersion{}, err
+		log.Warnf("Could not read cache %s, will ignore cache", completePath)
+		return &shared.ReleaseVersion{}, nil
 	}
 
-	var versionFileContent ReleaseVersion
-	err = yaml.Unmarshal(content, &versionFileContent)
+	var parsedContent shared.ReleaseVersion
+	err = yaml.Unmarshal(content, &parsedContent)
 	if err != nil {
-		return &ReleaseVersion{}, err
+		return &shared.ReleaseVersion{}, err
 	}
 
-	return &versionFileContent, nil
+	parsedContent.Next.Version, err = semver.NewVersion(parsedContent.Next.VersionString)
+	if err != nil {
+		return nil, err
+	}
+
+	parsedContent.Last.Version, err = semver.NewVersion(parsedContent.Last.VersionString)
+	if err != nil {
+		return nil, err
+	}
+
+	log.Infof("Found cache, will return cached version %s", parsedContent.Next.Version)
+	return &parsedContent, nil
 }

internal/cache/cache_test.go

@@ -0,0 +1,109 @@
+package cache_test
+
+import (
+	"testing"
+
+	"github.com/Masterminds/semver"
+	"github.com/Nightapes/go-semantic-release/internal/cache"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/stretchr/testify/assert"
+	"io/ioutil"
+	"os"
+	"path"
+)
+
+func TestReadCacheNotFound(t *testing.T) {
+
+	resp, err := cache.Read("notfound/dir")
+	assert.NoErrorf(t, err, "Read non exsiting file")
+	assert.NotNil(t, resp)
+
+}
+
+func TestReadCacheInvalidContent(t *testing.T) {
+
+	dir, err := ioutil.TempDir("", "prefix")
+	assert.NoError(t, err)
+	defer os.RemoveAll(dir)
+
+	completePath := path.Join(path.Dir(dir), ".version")
+	brokenContent := []byte("hello broken\ngo: lang\n")
+	err = ioutil.WriteFile(completePath, brokenContent, 0644)
+	assert.NoError(t, err)
+
+	_, readError := cache.Read(dir)
+	assert.Errorf(t, readError, "Should give error, when broken content")
+
+}
+
+func TestWriteAndReadCache(t *testing.T) {
+
+	dir, err := ioutil.TempDir("", "prefix")
+
+	assert.NoError(t, err)
+
+	content := shared.ReleaseVersion{
+		Last: shared.ReleaseVersionEntry{
+			Commit:        "12345",
+			Version:       createVersion("1.0.0"),
+			VersionString: "1.0.0",
+		},
+		Next: shared.ReleaseVersionEntry{
+			Commit:        "12346",
+			Version:       createVersion("1.1.0"),
+			VersionString: "1.1.0",
+		},
+		Branch: "master",
+		Draft:  true,
+		Commits: map[shared.Release][]shared.AnalyzedCommit{
+			"major": []shared.AnalyzedCommit{
+				shared.AnalyzedCommit{
+					Commit: shared.Commit{
+						Message: "Message",
+						Author:  "Author",
+						Hash:    "Hash",
+					},
+					ParsedMessage:               "add gitlab as relase option",
+					Scope:                       "releaser",
+					ParsedBreakingChangeMessage: "",
+					Tag:                         "feat",
+					TagString:                   "Features",
+					Print:                       true,
+				},
+			},
+		},
+	}
+
+	defer os.RemoveAll(dir)
+
+	writeError := cache.Write(dir, content)
+	assert.NoErrorf(t, writeError, "Should write file")
+	result, readError := cache.Read(dir)
+	assert.NoErrorf(t, readError, "Should read file")
+
+	assert.EqualValues(t, &content, result)
+
+}
+
+func TestWriteNotFound(t *testing.T) {
+
+	err := cache.Write("notfound/dir", shared.ReleaseVersion{
+		Last: shared.ReleaseVersionEntry{
+			Commit:  "12345",
+			Version: createVersion("1.0.0"),
+		},
+		Next: shared.ReleaseVersionEntry{
+			Commit:  "12346",
+			Version: createVersion("1.1.0"),
+		},
+		Branch: "master",
+		Draft:  true,
+	})
+	assert.Errorf(t, err, "Write non exsiting file")
+
+}
+
+func createVersion(version string) *semver.Version {
+	ver, _ := semver.NewVersion(version)
+	return ver
+}

internal/calculator/calculator.go

@@ -0,0 +1,68 @@
+package calculator
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/Masterminds/semver"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// Calculator struct
+type Calculator struct{}
+
+// New Calculator struct
+func New() *Calculator {
+	return &Calculator{}
+}
+
+//IncPrerelease increase prerelease by one
+func (c *Calculator) IncPrerelease(preReleaseType string, version *semver.Version) (semver.Version, error) {
+	defaultPrerelease := preReleaseType + ".0"
+	if version.Prerelease() == "" || !strings.HasPrefix(version.Prerelease(), preReleaseType) {
+		return version.SetPrerelease(defaultPrerelease)
+	}
+
+	parts := strings.Split(version.Prerelease(), ".")
+	if len(parts) == 2 {
+		i, err := strconv.Atoi(parts[1])
+		if err != nil {
+			log.Warnf("Could not parse release tag %s, use version %s", version.Prerelease(), version.String())
+			return version.SetPrerelease(defaultPrerelease)
+		}
+		return version.SetPrerelease(preReleaseType + "." + strconv.Itoa((i + 1)))
+
+	}
+	log.Warnf("Could not parse release tag %s, use version %s", version.Prerelease(), version.String())
+	return version.SetPrerelease(defaultPrerelease)
+}
+
+//CalculateNewVersion from given commits and lastversion
+func (c *Calculator) CalculateNewVersion(commits map[shared.Release][]shared.AnalyzedCommit, lastVersion *semver.Version, releaseType string, firstRelease bool) (semver.Version, bool) {
+	switch releaseType {
+	case "beta", "alpha":
+		if len(commits["major"]) > 0 || len(commits["minor"]) > 0 || len(commits["patch"]) > 0 {
+			version, _ := c.IncPrerelease(releaseType, lastVersion)
+			return version, true
+		}
+	case "rc":
+		if len(commits["major"]) > 0 || len(commits["minor"]) > 0 || len(commits["patch"]) > 0 {
+			version, _ := c.IncPrerelease(releaseType, lastVersion)
+			return version, false
+		}
+	case "release":
+		if !firstRelease {
+			if len(commits["major"]) > 0 {
+				return lastVersion.IncMajor(), false
+			} else if len(commits["minor"]) > 0 {
+				return lastVersion.IncMinor(), false
+			} else if len(commits["patch"]) > 0 {
+				return lastVersion.IncPatch(), false
+			}
+		}
+	}
+
+	return *lastVersion, false
+}

internal/calculator/calculator_test.go

@@ -0,0 +1,219 @@
+package calculator_test
+
+import (
+	"testing"
+
+	"github.com/Masterminds/semver"
+	"github.com/Nightapes/go-semantic-release/internal/calculator"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/stretchr/testify/assert"
+)
+
+func createVersion(version string) *semver.Version {
+	ver, _ := semver.NewVersion(version)
+	return ver
+}
+
+func TestCalculator_IncPrerelease(t *testing.T) {
+
+	testConfigs := []struct {
+		testCase       string
+		preReleaseType string
+		lastVersion    *semver.Version
+		nextVersion    string
+		hasError       bool
+	}{
+		{
+			testCase:       "version without preRelease",
+			preReleaseType: "alpha",
+			lastVersion:    createVersion("1.0.0"),
+			nextVersion:    "1.0.0-alpha.0",
+		},
+		{
+			testCase:       "version with preRelease",
+			preReleaseType: "alpha",
+			lastVersion:    createVersion("1.0.0-alpha.0"),
+			nextVersion:    "1.0.0-alpha.1",
+		},
+		{
+			testCase:       "version with preRelease, change type",
+			preReleaseType: "beta",
+			lastVersion:    createVersion("1.0.0-alpha.0"),
+			nextVersion:    "1.0.0-beta.0",
+		},
+		{
+			testCase:       "version with preRelease but broken",
+			preReleaseType: "alpha",
+			lastVersion:    createVersion("1.0.0-alpha.br0ken"),
+			nextVersion:    "1.0.0-alpha.0",
+		},
+		{
+			testCase:       "version with preRelease but broken 2",
+			preReleaseType: "alpha",
+			lastVersion:    createVersion("1.0.0-alphabr0ken"),
+			nextVersion:    "1.0.0-alpha.0",
+		},
+	}
+
+	c := calculator.New()
+
+	for _, test := range testConfigs {
+		next, err := c.IncPrerelease(test.preReleaseType, test.lastVersion)
+		assert.Equalf(t, test.hasError, err != nil, "Testcase %s should have error: %t -> %s", test.testCase, test.hasError, err)
+		assert.Equal(t, test.nextVersion, next.String())
+	}
+
+}
+
+func TestCalculator_CalculateNewVersion(t *testing.T) {
+
+	testConfigs := []struct {
+		testCase        string
+		releaseType     string
+		lastVersion     *semver.Version
+		nextVersion     string
+		isDraft         bool
+		isFirst         bool
+		analyzedCommits map[shared.Release][]shared.AnalyzedCommit
+	}{
+		{
+			testCase:    "version with preRelease alpha",
+			releaseType: "alpha",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.0-alpha.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{},
+				},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: true,
+		},
+		{
+			testCase:    "version with preRelease beta",
+			releaseType: "beta",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.0-beta.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{},
+				},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: true,
+		},
+		{
+			testCase:    "version without commits",
+			releaseType: "alpha",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and first release",
+			releaseType: "release",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"minor": []shared.AnalyzedCommit{},
+				"patch": []shared.AnalyzedCommit{},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: true,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and rc release",
+			releaseType: "rc",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.0-rc.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"minor": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"patch": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and rc release",
+			releaseType: "rc",
+			lastVersion: createVersion("1.0.0-rc.0"),
+			nextVersion: "1.0.0-rc.1",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"patch": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and major release",
+			releaseType: "release",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "2.0.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"minor": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"patch": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and minor release",
+			releaseType: "release",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.1.0",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"patch": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+		{
+			testCase:    "version with commits and minor patch",
+			releaseType: "release",
+			lastVersion: createVersion("1.0.0"),
+			nextVersion: "1.0.1",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"major": []shared.AnalyzedCommit{},
+				"minor": []shared.AnalyzedCommit{},
+				"patch": []shared.AnalyzedCommit{shared.AnalyzedCommit{}},
+				"none":  []shared.AnalyzedCommit{},
+			},
+			isFirst: false,
+			isDraft: false,
+		},
+	}
+
+	c := calculator.New()
+
+	for _, test := range testConfigs {
+		next, draft := c.CalculateNewVersion(test.analyzedCommits, test.lastVersion, test.releaseType, test.isFirst)
+		assert.Equalf(t, test.isDraft, draft, "Should have draft %t for testcase %s", test.isDraft, test.testCase)
+		assert.Equalf(t, test.nextVersion, next.String(), "Should have version %s for testcase %s", test.nextVersion, test.testCase)
+	}
+
+}

internal/changelog/changelog.go

@@ -15,6 +15,14 @@ import (
 
 const defaultChangelogTitle string = `v{{.Version}} ({{.Now.Format "2006-01-02"}})`
 const defaultChangelog string = `# v{{$.Version}} ({{.Now.Format "2006-01-02"}})
+{{ range $index,$commit := .BreakingChanges -}}
+{{ if eq $index 0 }}
+## BREAKING CHANGES
+{{ end}}
+* **{{$.Backtick}}{{$commit.Scope}}{{$.Backtick}}** {{$commit.ParsedBreakingChangeMessage}}  
+introduced by commit: 
+{{$commit.ParsedMessage}} {{if $.HasURL}} ([{{ printf "%.7s" $commit.Commit.Hash}}]({{ replace $.URL "{{hash}}" $commit.Commit.Hash}}))  {{end}}
+{{ end -}}
 {{ range $key := .Order }}
 {{ $commits := index $.Commits $key}} {{if $commits -}}
 ### {{ $key }}
@@ -26,7 +34,8 @@ const defaultChangelog string = `# v{{$.Version}} ({{.Now.Format "2006-01-02"}})
 `
 
 type changelogContent struct {
-	Commits  map[string][]analyzer.AnalyzedCommit
+	Commits         map[string][]shared.AnalyzedCommit
+	BreakingChanges []shared.AnalyzedCommit
 	Order           []string
 	Version         string
 	Now             time.Time
@@ -39,24 +48,29 @@ type changelogContent struct {
 type Changelog struct {
 	config      *config.ReleaseConfig
 	rules       []analyzer.Rule
+	releaseTime time.Time
+	log         *log.Entry
 }
 
 //New Changelog struct for generating changelog from commits
-func New(config *config.ReleaseConfig, rules []analyzer.Rule) *Changelog {
+func New(config *config.ReleaseConfig, rules []analyzer.Rule, releaseTime time.Time) *Changelog {
 	return &Changelog{
 		config:      config,
 		rules:       rules,
+		releaseTime: releaseTime,
+		log:         log.WithField("changelog", config.CommitFormat),
 	}
 }
 
 // GenerateChanglog from given commits
-func (c *Changelog) GenerateChanglog(templateConfig shared.ChangelogTemplateConfig, analyzedCommits map[string][]analyzer.AnalyzedCommit) (*shared.GeneratedChangelog, error) {
+func (c *Changelog) GenerateChanglog(templateConfig shared.ChangelogTemplateConfig, analyzedCommits map[shared.Release][]shared.AnalyzedCommit) (*shared.GeneratedChangelog, error) {
 
-	commitsPerScope := map[string][]analyzer.AnalyzedCommit{}
+	commitsPerScope := map[string][]shared.AnalyzedCommit{}
+	commitsBreakingChange := []shared.AnalyzedCommit{}
 	order := make([]string, 0)
 
 	for _, rule := range c.rules {
-		log.Debugf("Add %s to list", rule.TagString)
+		c.log.Tracef("Add %s to list", rule.TagString)
 		if rule.Changelog || c.config.Changelog.PrintAll {
 			order = append(order, rule.TagString)
 		}
@@ -65,8 +79,12 @@ func (c *Changelog) GenerateChanglog(templateConfig shared.ChangelogTemplateConf
 	for _, commits := range analyzedCommits {
 		for _, commit := range commits {
 			if commit.Print {
+				if commit.ParsedBreakingChangeMessage != "" {
+					commitsBreakingChange = append(commitsBreakingChange, commit)
+					continue
+				}
 				if _, ok := commitsPerScope[commit.TagString]; !ok {
-					commitsPerScope[commit.TagString] = make([]analyzer.AnalyzedCommit, 0)
+					commitsPerScope[commit.TagString] = make([]shared.AnalyzedCommit, 0)
 				}
 				commitsPerScope[commit.TagString] = append(commitsPerScope[commit.TagString], commit)
 			}
@@ -76,7 +94,8 @@ func (c *Changelog) GenerateChanglog(templateConfig shared.ChangelogTemplateConf
 	changelogContent := changelogContent{
 		Version:         templateConfig.Version,
 		Commits:         commitsPerScope,
-		Now:      time.Now(),
+		Now:             c.releaseTime,
+		BreakingChanges: commitsBreakingChange,
 		Backtick:        "`",
 		Order:           order,
 		HasURL:          templateConfig.CommitURL != "",

internal/changelog/changelog_test.go

@@ -0,0 +1,119 @@
+package changelog_test
+
+import (
+	"testing"
+
+	"github.com/Nightapes/go-semantic-release/internal/analyzer"
+	"github.com/Nightapes/go-semantic-release/internal/changelog"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+	"github.com/stretchr/testify/assert"
+	"time"
+)
+
+func TestChangelog(t *testing.T) {
+
+	templateConfig := shared.ChangelogTemplateConfig{
+		CommitURL:  "https://commit.url",
+		CompareURL: "https://compare.url",
+		Hash:       "hash",
+		Version:    "1.0.0",
+	}
+
+	testConfigs := []struct {
+		testCase        string
+		analyzedCommits map[shared.Release][]shared.AnalyzedCommit
+		result          *shared.GeneratedChangelog
+		hasError        bool
+	}{
+		{
+			testCase: "feat",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(test): my first commit",
+							Author:  "me",
+							Hash:    "12345667",
+						},
+						Scope:         "internal/changelog",
+						ParsedMessage: "my first commit",
+						Tag:           "feat",
+						TagString:     "Features",
+						Print:         true,
+					},
+				},
+			},
+			result: &shared.GeneratedChangelog{
+				Title:   "v1.0.0 (2019-07-19)",
+				Content: "# v1.0.0 (2019-07-19)\n\n ### Features\n* **`internal/changelog`** my first commit  ([1234566](https://commit.url))  \n\n ",
+			},
+			hasError: false,
+		},
+		{
+			testCase: "feat breaking change",
+			analyzedCommits: map[shared.Release][]shared.AnalyzedCommit{
+				"minor": []shared.AnalyzedCommit{
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(test): my first commit",
+							Author:  "me",
+							Hash:    "12345667",
+						},
+						Scope:         "internal/changelog",
+						ParsedMessage: "my first commit",
+						Tag:           "feat",
+						TagString:     "Features",
+						Print:         true,
+					},
+					shared.AnalyzedCommit{
+						Commit: shared.Commit{
+							Message: "feat(test): my first break: BREAKING CHANGE: change api to v2",
+							Author:  "me",
+							Hash:    "12345668",
+						},
+						Scope:                       "internal/changelog",
+						ParsedMessage:               "my first break",
+						Tag:                         "feat",
+						TagString:                   "Features",
+						Print:                       true,
+						ParsedBreakingChangeMessage: "change api to v2",
+					},
+				},
+			},
+			result: &shared.GeneratedChangelog{
+				Title:   "v1.0.0 (2019-07-19)",
+				Content: "# v1.0.0 (2019-07-19)\n\n## BREAKING CHANGES\n\n* **`internal/changelog`** change api to v2  \nintroduced by commit: \nmy first break  ([1234566](https://commit.url))  \n\n ### Features\n* **`internal/changelog`** my first commit  ([1234566](https://commit.url))  \n\n ",
+			},
+			hasError: false,
+		},
+	}
+
+	cl := changelog.New(&config.ReleaseConfig{}, []analyzer.Rule{
+		{
+			Tag:       "feat",
+			TagString: "Features",
+			Release:   "minor",
+			Changelog: true,
+		},
+		{
+			Tag:       "fix",
+			TagString: "Bug fixes",
+			Release:   "patch",
+			Changelog: true,
+		},
+		{
+			Tag:       "build",
+			TagString: "Build",
+			Release:   "none",
+			Changelog: false,
+		},
+	}, time.Date(2019, 7, 19, 0, 0, 0, 0, time.UTC))
+
+	for _, config := range testConfigs {
+		generatedChangelog, err := cl.GenerateChanglog(templateConfig, config.analyzedCommits)
+		assert.Equalf(t, config.hasError, err != nil, "Testcase %s should have error: %t -> %s", config.testCase, config.hasError, err)
+		assert.Equalf(t, config.result, generatedChangelog, "Testcase %s should have generated changelog", config.testCase)
+	}
+
+}

internal/ci/ci.go

@@ -2,8 +2,11 @@ package ci
 
 import (
 	"fmt"
+
 	"github.com/Nightapes/go-semantic-release/internal/gitutil"
 	log "github.com/sirupsen/logrus"
+	"os"
+	"strings"
 )
 
 //ProviderConfig struct
@@ -21,11 +24,21 @@ type ProviderConfig struct {
 
 //Service interface
 type Service interface {
-	Detect() (*ProviderConfig, error)
+	detect(envs map[string]string) (*ProviderConfig, error)
+}
+
+//ReadAllEnvs as a map
+func ReadAllEnvs() map[string]string {
+	envs := map[string]string{}
+	for _, pair := range os.Environ() {
+		splitted := strings.SplitN(pair, "=", 2)
+		envs[splitted[0]] = splitted[1]
+	}
+	return envs
 }
 
 //GetCIProvider get provider
-func GetCIProvider(gitUtil *gitutil.GitUtil) (*ProviderConfig, error) {
+func GetCIProvider(gitUtil *gitutil.GitUtil, envs map[string]string) (*ProviderConfig, error) {
 
 	services := []Service{
 		Travis{},
@@ -33,7 +46,7 @@ func GetCIProvider(gitUtil *gitutil.GitUtil) (*ProviderConfig, error) {
 	}
 
 	for _, service := range services {
-		config, err := service.Detect()
+		config, err := service.detect(envs)
 		if err == nil {
 			log.Infof("Found CI: %s", config.Name)
 			return config, nil

internal/ci/ci_test.go

@@ -0,0 +1,100 @@
+package ci_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/Nightapes/go-semantic-release/internal/ci"
+	"github.com/Nightapes/go-semantic-release/internal/gitutil"
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/src-d/go-billy.v4/memfs"
+	"gopkg.in/src-d/go-git.v4"
+	"gopkg.in/src-d/go-git.v4/plumbing/object"
+	"gopkg.in/src-d/go-git.v4/storage/memory"
+)
+
+func TestCi(t *testing.T) {
+
+	fs := memfs.New()
+
+	repository, err := git.Init(memory.NewStorage(), fs)
+	assert.NoError(t, err, "should open git repository")
+
+	file, err := fs.Create("README.md")
+	assert.NoError(t, err, "should create file")
+
+	w, err := repository.Worktree()
+	assert.NoError(t, err, "should get worktree")
+
+	_, err = w.Add(file.Name())
+	assert.NoError(t, err, "should add file")
+
+	gitUtilInMemory := &gitutil.GitUtil{
+		Repository: repository,
+	}
+
+	newCommit, err := w.Commit("fix(test): add a commit", &git.CommitOptions{
+		Author: &object.Signature{
+			Name:  "John Doe",
+			Email: "john@doe.org",
+			When:  time.Now(),
+		},
+	})
+	assert.NoError(t, err, "should commit")
+
+	testConfigs := []struct {
+		service  string
+		envs     map[string]string
+		result   *ci.ProviderConfig
+		hasError bool
+	}{
+		{
+			service:  "none",
+			envs:     map[string]string{},
+			result:   nil,
+			hasError: true,
+		},
+		{
+			service: "Git",
+			envs: map[string]string{
+				"CI": "true",
+			},
+			result:   &ci.ProviderConfig{IsPR: false, PR: "", PRBranch: "", Branch: "master", Tag: "", Commit: newCommit.String(), BuildURL: "", Service: "git", Name: "Git only"},
+			hasError: false,
+		},
+		{
+			service: "Travis PR",
+			envs: map[string]string{
+				"TRAVIS":                     "true",
+				"TRAVIS_PULL_REQUEST":        "10",
+				"TRAVIS_COMMIT":              "190bfd6aa60022afd0ef830342cfb07e33c45f37",
+				"TRAVIS_TAG":                 "TAG",
+				"TRAVIS_BUILD_WEB_URL":       "https://travis-ci.com/owner/repo/builds/1234",
+				"TRAVIS_BRANCH":              "master",
+				"TRAVIS_PULL_REQUEST_BRANCH": "pr",
+			},
+			result:   &ci.ProviderConfig{IsPR: true, PR: "10", PRBranch: "pr", Branch: "master", Tag: "TAG", Commit: "190bfd6aa60022afd0ef830342cfb07e33c45f37", BuildURL: "https://travis-ci.com/owner/repo/builds/1234", Service: "travis", Name: "Travis CI"},
+			hasError: false,
+		},
+		{
+			service: "Travis Push",
+			envs: map[string]string{
+				"TRAVIS":               "true",
+				"TRAVIS_PULL_REQUEST":  "false",
+				"TRAVIS_COMMIT":        "190bfd6aa60022afd0ef830342cfb07e33c45f37",
+				"TRAVIS_TAG":           "TAG",
+				"TRAVIS_BUILD_WEB_URL": "https://travis-ci.com/owner/repo/builds/1234",
+				"TRAVIS_BRANCH":        "master",
+			},
+			result:   &ci.ProviderConfig{IsPR: false, PR: "", PRBranch: "", Branch: "master", Tag: "TAG", Commit: "190bfd6aa60022afd0ef830342cfb07e33c45f37", BuildURL: "https://travis-ci.com/owner/repo/builds/1234", Service: "travis", Name: "Travis CI"},
+			hasError: false,
+		},
+	}
+
+	for _, config := range testConfigs {
+		provider, err := ci.GetCIProvider(gitUtilInMemory, config.envs)
+		assert.Equalf(t, config.hasError, err != nil, "Service %s should have error: %t -> %s", config.service, config.hasError, err)
+		assert.Equalf(t, config.result, provider, "Service %s should have provider", config.service)
+	}
+
+}

internal/ci/git.go

@@ -3,7 +3,6 @@ package ci
 import (
 	"fmt"
 	"github.com/Nightapes/go-semantic-release/internal/gitutil"
-	"os"
 )
 
 //Git struct
@@ -12,9 +11,9 @@ type Git struct {
 }
 
 //Detect if on Git
-func (t Git) Detect() (*ProviderConfig, error) {
+func (t Git) detect(envs map[string]string) (*ProviderConfig, error) {
 
-	if _, exists := os.LookupEnv("CI"); !exists {
+	if _, exists := envs["CI"]; !exists {
 		return nil, fmt.Errorf("running not git only")
 	}
 
@@ -29,7 +28,7 @@ func (t Git) Detect() (*ProviderConfig, error) {
 	}
 
 	return &ProviderConfig{
-		Service: "Git",
+		Service: "git",
 		Name:    "Git only",
 		Commit:  hash,
 		Branch:  currentBranch,

internal/ci/travis.go

@@ -3,37 +3,39 @@ package ci
 import (
 	"fmt"
 	log "github.com/sirupsen/logrus"
-	"os"
 )
 
 //Travis struct
 type Travis struct{}
 
 //Detect if on travis
-func (t Travis) Detect() (*ProviderConfig, error) {
+func (t Travis) detect(envs map[string]string) (*ProviderConfig, error) {
 
-	if _, exists := os.LookupEnv("TRAVIS"); !exists {
+	if _, exists := envs["TRAVIS"]; !exists {
 		return nil, fmt.Errorf("not running on travis")
 	}
 
 	isPR := false
 
-	value := os.Getenv("TRAVIS_PULL_REQUEST")
+	value := envs["TRAVIS_PULL_REQUEST"]
+	pr := ""
 
 	if value == "false" {
 		log.Debugf("TRAVIS_PULL_REQUEST=%s, not running on pr", value)
 	} else {
 		isPR = true
+		pr = value
 	}
 
 	return &ProviderConfig{
 		Service:  "travis",
 		Name:     "Travis CI",
-		Commit:   os.Getenv("TRAVIS_COMMIT"),
-		Tag:      os.Getenv("TRAVIS_TAG"),
-		BuildURL: os.Getenv("TRAVIS_BUILD_WEB_URL"),
-		Branch:   os.Getenv("TRAVIS_BRANCH"),
+		Commit:   envs["TRAVIS_COMMIT"],
+		Tag:      envs["TRAVIS_TAG"],
+		BuildURL: envs["TRAVIS_BUILD_WEB_URL"],
+		Branch:   envs["TRAVIS_BRANCH"],
 		IsPR:     isPR,
-		PRBranch: os.Getenv("TRAVIS_PULL_REQUEST_BRANCH"),
+		PR:       pr,
+		PRBranch: envs["TRAVIS_PULL_REQUEST_BRANCH"],
 	}, nil
 }

internal/gitutil/gitutil.go

@@ -10,15 +10,9 @@ import (
 	"gopkg.in/src-d/go-git.v4"
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/plumbing/object"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
 )
 
-// Commit struct
-type Commit struct {
-	Message string
-	Author  string
-	Hash    string
-}
-
 // GitUtil struct
 type GitUtil struct {
 	Repository *git.Repository
@@ -93,15 +87,10 @@ func (g *GitUtil) GetLastVersion() (*semver.Version, string, error) {
 
 	err = gitTags.ForEach(func(p *plumbing.Reference) error {
 		v, err := semver.NewVersion(p.Name().Short())
-		log.Tracef("%+v", p.Name().Short())
+		log.Tracef("%+v with hash: %s", p.Target(), p.Hash())
+
 		if err == nil {
-			_, err := g.Repository.TagObject(p.Hash())
-			if err == nil {
-				log.Debugf("Add tag %s", p.Name().Short())
 			tags = append(tags, v)
-			} else {
-				log.Debugf("Found tag, but is not annotated, skip")
-			}
 		} else {
 			log.Debugf("Tag %s is not a valid version, skip", p.Name().Short())
 		}
@@ -126,17 +115,12 @@ func (g *GitUtil) GetLastVersion() (*semver.Version, string, error) {
 		return nil, "", err
 	}
 
-	tagObject, err := g.Repository.TagObject(tag.Hash())
-	if err != nil {
-		return nil, "", err
-	}
-
-	log.Debugf("Found old hash %s", tagObject.Target.String())
-	return tags[0], tagObject.Target.String(), nil
+	log.Debugf("Found old hash %s", tag.Hash().String())
+	return tags[0], tag.Hash().String(), nil
 }
 
 // GetCommits from git hash to HEAD
-func (g *GitUtil) GetCommits(lastTagHash string) ([]Commit, error) {
+func (g *GitUtil) GetCommits(lastTagHash string) ([]shared.Commit, error) {
 
 	ref, err := g.Repository.Head()
 	if err != nil {
@@ -148,17 +132,18 @@ func (g *GitUtil) GetCommits(lastTagHash string) ([]Commit, error) {
 		return nil, err
 	}
 
-	var commits []Commit
+	var commits []shared.Commit
 	var foundEnd bool
 
 	err = cIter.ForEach(func(c *object.Commit) error {
 		if c.Hash.String() == lastTagHash {
 			log.Debugf("Found commit with hash %s, will stop here", c.Hash.String())
 			foundEnd = true
+
 		}
-		log.Tracef("Found commit with hash %s", c.Hash.String())
 		if !foundEnd {
-			commit := Commit{
+			log.Tracef("Found commit with hash %s", c.Hash.String())
+			commit := shared.Commit{
 				Message: c.Message,
 				Author:  c.Committer.Name,
 				Hash:    c.Hash.String(),

internal/releaser/github/github.go

@@ -25,6 +25,7 @@ type Client struct {
 	context context.Context
 	release *github.RepositoryRelease
 	baseURL string
+	log     *log.Entry
 }
 
 // New initialize a new GitHubRelease
@@ -52,6 +53,7 @@ func New(c *config.GitHubProvider) (*Client, error) {
 		client:  client,
 		context: ctx,
 		baseURL: baseURL,
+		log:     log.WithField("releaser", GITHUB),
 	}, err
 }
 
@@ -67,7 +69,7 @@ func (g *Client) GetCompareURL(oldVersion, newVersion string) string {
 
 //ValidateConfig for github
 func (g *Client) ValidateConfig() error {
-	log.Debugf("validate GitHub provider config")
+	g.log.Debugf("validate GitHub provider config")
 
 	if g.config.Repo == "" {
 		return fmt.Errorf("github Repro is not set")
@@ -85,11 +87,11 @@ func (g *Client) ValidateConfig() error {
 func (g *Client) CreateRelease(releaseVersion *shared.ReleaseVersion, generatedChangelog *shared.GeneratedChangelog) error {
 
 	tag := releaseVersion.Next.Version.String()
-	log.Debugf("create release with version %s", tag)
+	g.log.Debugf("create release with version %s", tag)
 
 	prerelease := releaseVersion.Next.Version.Prerelease() != ""
 
-	release, resp, err := g.client.Repositories.CreateRelease(g.context, g.config.User, g.config.Repo, &github.RepositoryRelease{
+	release, _, err := g.client.Repositories.CreateRelease(g.context, g.config.User, g.config.Repo, &github.RepositoryRelease{
 		TagName:         &tag,
 		TargetCommitish: &releaseVersion.Branch,
 		Name:            &generatedChangelog.Title,
@@ -97,19 +99,18 @@ func (g *Client) CreateRelease(releaseVersion *shared.ReleaseVersion, generatedC
 		Draft:           &releaseVersion.Draft,
 		Prerelease:      &prerelease,
 	})
-
 	if err != nil {
-		if !strings.Contains(err.Error(), "already_exists") && resp.StatusCode >= http.StatusUnprocessableEntity {
-			return fmt.Errorf("could not create release: %v", err)
-		}
-		log.Infof("A release with tag %s already exits, will not perform a release or update", tag)
-	} else {
-		g.release = release
-		log.Debugf("Release repsone: %+v", *release)
-		log.Infof("Crated release")
-	}
-
+		if strings.Contains(err.Error(), "already_exists") {
+			g.log.Infof("A release with tag %s already exits, will not perform a release or update", tag)
 			return nil
+		}
+		return fmt.Errorf("could not create release: %s", err.Error())
+	}
+	g.release = release
+	g.log.Debugf("Release repsone: %+v", *release)
+	g.log.Infof("Crated release")
+	return nil
+
 }
 
 // UploadAssets uploads specified assets
@@ -133,7 +134,7 @@ func (g *Client) UploadAssets(repoDir string, assets []config.Asset) error {
 			}
 
 			if resp.StatusCode >= http.StatusBadRequest {
-				return fmt.Errorf("releaser: github: Could not upload asset %s: %s", file.Name(), resp.Status)
+				return fmt.Errorf("could not upload asset %s: %s", file.Name(), resp.Status)
 			}
 		}
 	}

internal/releaser/github/github_test.go

@@ -0,0 +1,237 @@
+package github_test
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/Masterminds/semver"
+
+	"github.com/Nightapes/go-semantic-release/internal/releaser/github"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+	"github.com/stretchr/testify/assert"
+)
+
+type testHelperMethodStruct struct {
+	config config.GitHubProvider
+	valid  bool
+}
+
+type testReleaseStruct struct {
+	config              config.GitHubProvider
+	releaseVersion      *shared.ReleaseVersion
+	generatedChangelog  *shared.GeneratedChangelog
+	requestResponseBody string
+	requestResponseCode int
+	valid               bool
+}
+
+var testNewClient = []testHelperMethodStruct{
+	testHelperMethodStruct{config: config.GitHubProvider{
+		Repo: "foo",
+		User: "bar",
+	},
+		valid: true,
+	},
+
+	testHelperMethodStruct{config: config.GitHubProvider{
+		Repo:      "foo",
+		User:      "bar",
+		CustomURL: "https://test.com",
+	},
+		valid: false,
+	},
+}
+
+var testHelperMethod = []testHelperMethodStruct{
+	testHelperMethodStruct{config: config.GitHubProvider{
+		Repo: "foo",
+		User: "bar",
+	},
+		valid: true,
+	},
+
+	testHelperMethodStruct{config: config.GitHubProvider{
+		Repo: "",
+		User: "bar",
+	},
+		valid: false,
+	},
+
+	testHelperMethodStruct{config: config.GitHubProvider{
+		Repo: "foo",
+		User: "",
+	},
+		valid: false,
+	},
+}
+
+var lastVersion, _ = semver.NewVersion("1.0.0")
+var newVersion, _ = semver.NewVersion("2.0.0")
+
+var testReleases = []testReleaseStruct{
+	testReleaseStruct{
+		config: config.GitHubProvider{
+			Repo: "foo",
+			User: "bar",
+		},
+		releaseVersion: &shared.ReleaseVersion{
+			Last: shared.ReleaseVersionEntry{
+				Version: lastVersion,
+				Commit:  "foo",
+			},
+			Next: shared.ReleaseVersionEntry{
+				Version: newVersion,
+				Commit:  "bar",
+			},
+			Branch: "master",
+			Draft:  false,
+		},
+		generatedChangelog: &shared.GeneratedChangelog{
+			Title:   "title",
+			Content: "content",
+		},
+		requestResponseBody: "{  \"url\": \"https://api.github.com/repos/octocat/Hello-World/releases/1\",  \"html_url\": \"https://github.com/octocat/Hello-World/releases/v1.0.0\",  \"assets_url\": \"https://api.github.com/repos/octocat/Hello-World/releases/1/assets\",  \"upload_url\": \"https://uploads.github.com/repos/octocat/Hello-World/releases/1/assets{?name,label}\",  \"tarball_url\": \"https://api.github.com/repos/octocat/Hello-World/tarball/v1.0.0\",  \"zipball_url\": \"https://api.github.com/repos/octocat/Hello-World/zipball/v1.0.0\",  \"id\": 1,  \"node_id\": \"MDc6UmVsZWFzZTE=\",  \"tag_name\": \"v1.0.0\",  \"target_commitish\": \"master\",  \"name\": \"v1.0.0\",  \"body\": \"Description of the release\",  \"draft\": false,  \"prerelease\": false,  \"created_at\": \"2013-02-27T19:35:32Z\",  \"published_at\": \"2013-02-27T19:35:32Z\",  \"author\": {    \"login\": \"octocat\",    \"id\": 1,    \"node_id\": \"MDQ6VXNlcjE=\",    \"avatar_url\": \"https://github.com/images/error/octocat_happy.gif\",    \"gravatar_id\": \"\",    \"url\": \"https://api.github.com/users/octocat\",    \"html_url\": \"https://github.com/octocat\",    \"followers_url\": \"https://api.github.com/users/octocat/followers\",    \"following_url\": \"https://api.github.com/users/octocat/following{/other_user}\",    \"gists_url\": \"https://api.github.com/users/octocat/gists{/gist_id}\",    \"starred_url\": \"https://api.github.com/users/octocat/starred{/owner}{/repo}\",    \"subscriptions_url\": \"https://api.github.com/users/octocat/subscriptions\",    \"organizations_url\": \"https://api.github.com/users/octocat/orgs\",    \"repos_url\": \"https://api.github.com/users/octocat/repos\",    \"events_url\": \"https://api.github.com/users/octocat/events{/privacy}\",    \"received_events_url\": \"https://api.github.com/users/octocat/received_events\",    \"type\": \"User\",    \"site_admin\": false  },  \"assets\": [  ]}",
+		requestResponseCode: 200,
+		valid:               true,
+	},
+	testReleaseStruct{
+		config: config.GitHubProvider{
+			Repo: "foo",
+			User: "bar",
+		},
+		releaseVersion: &shared.ReleaseVersion{
+			Last: shared.ReleaseVersionEntry{
+				Version: lastVersion,
+				Commit:  "foo",
+			},
+			Next: shared.ReleaseVersionEntry{
+				Version: newVersion,
+				Commit:  "bar",
+			},
+			Branch: "master",
+			Draft:  false,
+		},
+		generatedChangelog: &shared.GeneratedChangelog{
+			Title:   "title",
+			Content: "content",
+		},
+		requestResponseCode: 400,
+		valid:               false,
+	},
+}
+
+func initHTTPServer(respCode int, body string) *httptest.Server {
+
+	return httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+
+		log.Infof("Got call from %s %s", req.Method, req.URL.String())
+
+		rw.WriteHeader(respCode)
+		rw.Header().Set("Content-Type", "application/json")
+
+		if _, err := rw.Write([]byte(body)); err != nil {
+			log.Info(err)
+		}
+
+	}))
+}
+
+func TestNew(t *testing.T) {
+	for _, testOject := range testNewClient {
+		if testOject.valid {
+			os.Setenv("GITHUB_ACCESS_TOKEN", "XXX")
+		}
+
+		_, err := github.New(&testOject.config)
+		assert.Equal(t, testOject.valid, err == nil)
+
+		os.Unsetenv("GITHUB_ACCESS_TOKEN")
+
+	}
+}
+
+func TestGetCommitURL(t *testing.T) {
+	os.Setenv("GITHUB_ACCESS_TOKEN", "XX")
+	for _, testOject := range testNewClient {
+		client, _ := github.New(&testOject.config)
+		actualURL := client.GetCommitURL()
+		if testOject.config.CustomURL != "" {
+			expectedURL := fmt.Sprintf("%s/%s/%s/commit/{{hash}}", testOject.config.CustomURL, testOject.config.User, testOject.config.Repo)
+			assert.EqualValues(t, expectedURL, actualURL)
+
+		} else {
+			expectedURL := fmt.Sprintf("%s/%s/%s/commit/{{hash}}", "https://github.com", testOject.config.User, testOject.config.Repo)
+			assert.EqualValues(t, expectedURL, actualURL)
+		}
+	}
+	os.Unsetenv("GITHUB_ACCESS_TOKEN")
+
+}
+
+func TestGetCompareURL(t *testing.T) {
+	os.Setenv("GITHUB_ACCESS_TOKEN", "XX")
+	for _, testOject := range testNewClient {
+		client, _ := github.New(&testOject.config)
+		actualURL := client.GetCompareURL("1", "2")
+		if testOject.config.CustomURL != "" {
+			expectedURL := fmt.Sprintf("%s/%s/%s/compare/%s...%s", testOject.config.CustomURL, testOject.config.User, testOject.config.Repo, "1", "2")
+			assert.EqualValues(t, expectedURL, actualURL)
+
+		} else {
+			expectedURL := fmt.Sprintf("%s/%s/%s/compare/%s...%s", "https://github.com", testOject.config.User, testOject.config.Repo, "1", "2")
+			assert.EqualValues(t, expectedURL, actualURL)
+		}
+	}
+	os.Unsetenv("GITHUB_ACCESS_TOKEN")
+
+}
+
+func TestValidateConfig(t *testing.T) {
+	os.Setenv("GITHUB_ACCESS_TOKEN", "XX")
+	for _, testOject := range testHelperMethod {
+		client, _ := github.New(&testOject.config)
+		err := client.ValidateConfig()
+
+		assert.Equal(t, testOject.valid, err == nil)
+
+	}
+	os.Unsetenv("GITHUB_ACCESS_TOKEN")
+}
+
+func TestCreateRelease(t *testing.T) {
+	os.Setenv("GITHUB_ACCESS_TOKEN", "XX")
+
+	for _, testObejct := range testReleases {
+		if testObejct.valid {
+			server := initHTTPServer(testObejct.requestResponseCode, testObejct.requestResponseBody)
+			testObejct.config.CustomURL = server.URL
+			client, _ := github.New(&testObejct.config)
+
+			err := client.CreateRelease(testObejct.releaseVersion, testObejct.generatedChangelog)
+			if err != nil {
+				t.Log(err)
+			}
+			assert.Equal(t, testObejct.valid, err == nil)
+
+			server.Close()
+
+		} else {
+			testObejct.config.CustomURL = "http://foo"
+			client, _ := github.New(&testObejct.config)
+
+			err := client.CreateRelease(testObejct.releaseVersion, testObejct.generatedChangelog)
+			if err != nil {
+				t.Log(err)
+			}
+			assert.Error(t, err)
+		}
+	}
+	os.Unsetenv("GITHUB_ACCESS_TOKEN")
+
+}

internal/releaser/gitlab/gitlab.go

@@ -0,0 +1,217 @@
+package gitlab
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/Nightapes/go-semantic-release/internal/releaser/util"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// GITLAB identifer for gitlab interface
+const GITLAB = "gitlab"
+
+// Client type struct
+type Client struct {
+	config  *config.GitLabProvider
+	context context.Context
+	client  *http.Client
+	baseURL string
+	apiURL  string
+	token   string
+	Release string
+	log     *log.Entry
+}
+
+// New initialize a new gitlabRelease
+func New(config *config.GitLabProvider, accessToken string) (*Client, error) {
+	ctx := context.Background()
+	tokenHeader := util.NewAddHeaderTransport(nil, "PRIVATE-TOKEN", accessToken)
+	acceptHeader := util.NewAddHeaderTransport(tokenHeader, "Accept", "application/json")
+	httpClient := &http.Client{
+		Transport: acceptHeader,
+		Timeout:   time.Second * 60,
+	}
+
+	logger := log.WithField("releaser", GITLAB)
+
+	logger.Debugf("validate gitlab provider config")
+
+	if config.Repo == "" {
+		return nil, fmt.Errorf("gitlab Repro is not set")
+	}
+
+	config.Repo = strings.Trim(config.Repo, "/")
+
+	if config.CustomURL == "" {
+		config.CustomURL = "https://gitlab.com"
+	}
+
+	config.CustomURL = strings.Trim(config.CustomURL, "/")
+	logger.Debugf("Use gitlab url %s", config.CustomURL)
+
+	return &Client{
+		token:   accessToken,
+		config:  config,
+		context: ctx,
+		baseURL: config.CustomURL,
+		apiURL:  config.CustomURL + "/api/v4",
+		client:  httpClient,
+		log:     logger,
+	}, nil
+}
+
+//GetCommitURL for gitlab
+func (g *Client) GetCommitURL() string {
+	return fmt.Sprintf("%s/%s/commit/{{hash}}", g.baseURL, g.config.Repo)
+}
+
+//GetCompareURL for gitlab
+func (g *Client) GetCompareURL(oldVersion, newVersion string) string {
+	return fmt.Sprintf("%s/%s/compare/%s...%s", g.baseURL, g.config.Repo, oldVersion, newVersion)
+}
+
+//ValidateConfig for gitlab
+func (g *Client) ValidateConfig() error {
+	return nil
+
+}
+
+// CreateRelease creates release on remote
+func (g *Client) CreateRelease(releaseVersion *shared.ReleaseVersion, generatedChangelog *shared.GeneratedChangelog) error {
+
+	tag := releaseVersion.Next.Version.String()
+	g.Release = tag
+	g.log.Infof("create release with version %s", tag)
+	url := fmt.Sprintf("%s/projects/%s/releases", g.apiURL, util.PathEscape(g.config.Repo))
+	g.log.Infof("Send release to  %s", url)
+
+	bodyBytes, err := json.Marshal(Release{
+		TagName:     tag,
+		Name:        generatedChangelog.Title,
+		Description: generatedChangelog.Content,
+		Ref:         releaseVersion.Branch,
+	})
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest("POST", url, bytes.NewReader(bodyBytes))
+	if err != nil {
+		return fmt.Errorf("could not create request: %s", err.Error())
+	}
+
+	resp, err := util.Do(g.client, req, nil)
+
+	if err != nil {
+		return fmt.Errorf("could not create release: %s", err.Error())
+	}
+
+	if err := util.IsValidResult(resp); err != nil {
+		return err
+	}
+
+	g.log.Infof("Crated release")
+
+	return nil
+}
+
+// UploadAssets uploads specified assets
+func (g *Client) UploadAssets(repoDir string, assets []config.Asset) error {
+	filesToUpload, err := util.PrepareAssets(repoDir, assets)
+	if err != nil {
+		return err
+	}
+	for _, f := range filesToUpload {
+
+		file, err := os.Open(*f)
+		if err != nil {
+			return err
+		}
+		defer file.Close()
+
+		fileInfo, _ := file.Stat()
+
+		result, err := g.uploadFile(fileInfo.Name(), file)
+		if err != nil {
+			return fmt.Errorf("could not upload asset %s: %s", file.Name(), err.Error())
+		}
+
+		downloadURL := fmt.Sprintf("%s/%s%s", g.baseURL, g.config.Repo, result.URL)
+
+		g.log.Infof("Uploaded file %s to gitlab can be downloaded under %s", file.Name(), downloadURL)
+
+		path := fmt.Sprintf("%s/projects/%s/releases/%s/assets/links?name=%s&url=%s", g.apiURL, util.PathEscape(g.config.Repo), g.Release, util.PathEscape(fileInfo.Name()), downloadURL)
+
+		req, err := http.NewRequest("POST", path, nil)
+		if err != nil {
+			return err
+		}
+
+		g.log.Infof("Link file %s with release %s", file.Name(), g.Release)
+
+		resp, err := util.Do(g.client, req, nil)
+		if err != nil {
+			return err
+		}
+
+		if err = util.IsValidResult(resp); err != nil {
+			return err
+		}
+
+		g.log.Infof("Link file with release %s is done", g.Release)
+	}
+	return nil
+}
+
+func (g *Client) uploadFile(fileName string, file *os.File) (*ProjectFile, error) {
+
+	b := &bytes.Buffer{}
+	w := multipart.NewWriter(b)
+
+	fw, err := w.CreateFormFile("file", fileName)
+	if err != nil {
+		return nil, err
+	}
+
+	_, err = io.Copy(fw, file)
+	if err != nil {
+		return nil, err
+	}
+	w.Close()
+
+	url := fmt.Sprintf("%s/projects/%s/uploads", g.apiURL, util.PathEscape(g.config.Repo))
+
+	req, err := http.NewRequest("POST", url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Body = ioutil.NopCloser(b)
+	req.ContentLength = int64(b.Len())
+	req.Header.Set("Content-Type", w.FormDataContentType())
+
+	uf := &ProjectFile{}
+	resp, err := util.Do(g.client, req, uf)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = util.IsValidResult(resp); err != nil {
+		return nil, err
+	}
+
+	return uf, nil
+}

internal/releaser/gitlab/gitlab_test.go

@@ -0,0 +1,327 @@
+package gitlab_test
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/Masterminds/semver"
+	log "github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+
+	//"github.com/Nightapes/go-semantic-release/internal/releaser/util"
+	"github.com/Nightapes/go-semantic-release/internal/releaser/gitlab"
+	"github.com/Nightapes/go-semantic-release/internal/shared"
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+)
+
+func TestGetCommitURL(t *testing.T) {
+
+	client, err := gitlab.New(&config.GitLabProvider{
+		CustomURL: "https://localhost/",
+		Repo:      "test/test",
+	}, "aToken")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://localhost/test/test/commit/{{hash}}", client.GetCommitURL())
+}
+
+func TestGetCompareURL(t *testing.T) {
+
+	client, err := gitlab.New(&config.GitLabProvider{
+		CustomURL: "https://localhost/",
+		Repo:      "test/test",
+	}, "aToken")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://localhost/test/test/compare/1.0.0...1.0.1", client.GetCompareURL("1.0.0", "1.0.1"))
+}
+
+func TestValidateConfig_EmptyRepro(t *testing.T) {
+	_, err := gitlab.New(&config.GitLabProvider{
+		CustomURL: "https://localhost/",
+	}, "aToken")
+	assert.Error(t, err)
+}
+
+func TestValidateConfig_DefaultURL(t *testing.T) {
+	config := &config.GitLabProvider{
+		Repo: "localhost/test",
+	}
+	_, err := gitlab.New(config, "aToken")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://gitlab.com", config.CustomURL)
+}
+
+func TestValidateConfig_CustomURL(t *testing.T) {
+	config := &config.GitLabProvider{
+		Repo:      "/localhost/test/",
+		CustomURL: "https://localhost/",
+	}
+	_, err := gitlab.New(config, "aToken")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://localhost", config.CustomURL)
+	assert.Equal(t, "localhost/test", config.Repo)
+}
+
+func TestCreateRelease(t *testing.T) {
+
+	lastVersion, _ := semver.NewVersion("1.0.0")
+	newVersion, _ := semver.NewVersion("2.0.0")
+
+	testReleases := []struct {
+		config             config.GitLabProvider
+		releaseVersion     *shared.ReleaseVersion
+		generatedChangelog *shared.GeneratedChangelog
+		responseBody       string
+		responseCode       int
+		requestBody        string
+		valid              bool
+	}{
+		{
+			config: config.GitLabProvider{
+				Repo: "foo/bar",
+			},
+			releaseVersion: &shared.ReleaseVersion{
+				Last: shared.ReleaseVersionEntry{
+					Version: lastVersion,
+					Commit:  "foo",
+				},
+				Next: shared.ReleaseVersionEntry{
+					Version: newVersion,
+					Commit:  "bar",
+				},
+				Branch: "master",
+				Draft:  false,
+			},
+			generatedChangelog: &shared.GeneratedChangelog{
+				Title:   "title",
+				Content: "content",
+			},
+			responseBody: "{}",
+			responseCode: 200,
+			requestBody:  `{"tag_name":"2.0.0","name":"title","ref":"master","description":"content","assets":{"links":null}}`,
+			valid:        true,
+		},
+		{
+			config: config.GitLabProvider{
+				Repo: "foo/bar",
+			},
+			releaseVersion: &shared.ReleaseVersion{
+				Last: shared.ReleaseVersionEntry{
+					Version: lastVersion,
+					Commit:  "foo",
+				},
+				Next: shared.ReleaseVersionEntry{
+					Version: newVersion,
+					Commit:  "bar",
+				},
+				Branch: "master",
+				Draft:  false,
+			},
+			generatedChangelog: &shared.GeneratedChangelog{
+				Title:   "title",
+				Content: "content",
+			},
+			responseBody: "{}",
+			responseCode: 500,
+			requestBody:  `{"tag_name":"2.0.0","name":"title","ref":"master","description":"content","assets":{"links":null}}`,
+			valid:        false,
+		},
+		{
+			config: config.GitLabProvider{
+				Repo:      "foo/bar",
+				CustomURL: "broken",
+			},
+			releaseVersion: &shared.ReleaseVersion{
+				Last: shared.ReleaseVersionEntry{
+					Version: lastVersion,
+					Commit:  "foo",
+				},
+				Next: shared.ReleaseVersionEntry{
+					Version: newVersion,
+					Commit:  "bar",
+				},
+				Branch: "master",
+				Draft:  false,
+			},
+			generatedChangelog: &shared.GeneratedChangelog{
+				Title:   "title",
+				Content: "content",
+			},
+			responseCode: 400,
+			responseBody: "{}",
+			requestBody:  `{"tag_name":"2.0.0","name":"title","ref":"master","description":"content","assets":{"links":null}}`,
+			valid:        false,
+		},
+	}
+
+	for _, testObject := range testReleases {
+		testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+
+			log.Infof("Got call from %s %s", req.Method, req.URL.String())
+
+			assert.Equal(t, req.Header.Get("PRIVATE-TOKEN"), "aToken")
+			assert.Equal(t, req.Header.Get("Accept"), "application/json")
+
+			bodyBytes, err := ioutil.ReadAll(req.Body)
+			if err != nil {
+				log.Fatal(err)
+			}
+			assert.Equal(t, testObject.requestBody, string(bodyBytes))
+
+			rw.WriteHeader(testObject.responseCode)
+			rw.Header().Set("Content-Type", "application/json")
+
+			if _, err := rw.Write([]byte(testObject.responseBody)); err != nil {
+				log.Info(err)
+			}
+
+		}))
+
+		if testObject.config.CustomURL == "" {
+			testObject.config.CustomURL = testServer.URL
+		}
+
+		client, err := gitlab.New(&testObject.config, "aToken")
+		assert.NoError(t, err)
+
+		err = client.CreateRelease(testObject.releaseVersion, testObject.generatedChangelog)
+		if err != nil {
+			t.Log(err)
+		}
+		assert.Equal(t, testObject.valid, err == nil)
+
+		testServer.Close()
+
+	}
+}
+
+func TestUploadAssets(t *testing.T) {
+
+	file, err := ioutil.TempFile("", "prefix")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer os.Remove(file.Name())
+
+	_, err = file.WriteString("testFile")
+	assert.NoError(t, err)
+
+	testReleases := []struct {
+		config       config.GitLabProvider
+		responseBody []string
+		responseCode []int
+		assets       []config.Asset
+		requestBody  []string
+		testDir      string
+		url          []string
+		method       []string
+		valid        bool
+	}{
+		{
+			config: config.GitLabProvider{
+				Repo: "foo/bar",
+			},
+			responseBody: []string{`{"alt" : "dk", "url": "/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png", "markdown" :"![dk](/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png)"}`, ""},
+			responseCode: []int{200, 200},
+			requestBody: []string{
+				filepath.Base(file.Name()), ""},
+			url:     []string{`/api/v4/projects/foo%2Fbar/uploads`, "/api/v4/projects/foo%2Fbar/releases/1.0.0/assets/links?name=" + filepath.Base(file.Name()) + "&url=<SERVER>/foo/bar/uploads/"},
+			method:  []string{"POST", "POST"},
+			valid:   true,
+			testDir: os.TempDir(),
+			assets: []config.Asset{
+				config.Asset{
+					Name:     filepath.Base(file.Name()),
+					Compress: false,
+				},
+			},
+		},
+		{
+			config: config.GitLabProvider{
+				Repo: "foo/bar",
+			},
+			responseBody: []string{`{"alt" : "dk", "url": "/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png", "markdown" :"![dk](/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png)"}`, ""},
+			responseCode: []int{400, 200},
+			requestBody: []string{
+				filepath.Base(file.Name()), ""},
+			url:     []string{`/api/v4/projects/foo%2Fbar/uploads`, "/api/v4/projects/foo%2Fbar/releases/1.0.0/assets/links?name=" + filepath.Base(file.Name()) + "&url=<SERVER>/foo/bar/uploads/"},
+			method:  []string{"POST", "POST"},
+			valid:   false,
+			testDir: os.TempDir(),
+			assets: []config.Asset{
+				config.Asset{
+					Name:     filepath.Base(file.Name()),
+					Compress: false,
+				},
+			},
+		},
+		{
+			config: config.GitLabProvider{
+				Repo: "foo/bar",
+			},
+			responseBody: []string{`broken`, ""},
+			responseCode: []int{200, 200},
+			requestBody: []string{
+				filepath.Base(file.Name()), ""},
+			url:     []string{`/api/v4/projects/foo%2Fbar/uploads`, "/api/v4/projects/foo%2Fbar/releases/1.0.0/assets/links?name=" + filepath.Base(file.Name()) + "&url=<SERVER>/foo/bar/uploads/"},
+			method:  []string{"POST", "POST"},
+			valid:   false,
+			testDir: os.TempDir(),
+			assets: []config.Asset{
+				config.Asset{
+					Name:     filepath.Base(file.Name()),
+					Compress: false,
+				},
+			},
+		},
+	}
+
+	for _, testObject := range testReleases {
+		calls := 0
+		testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+
+			log.Infof("Got call from %s %s", req.Method, req.URL.String())
+
+			assert.Contains(t, req.URL.String(), strings.ReplaceAll(testObject.url[calls], "<SERVER>", testObject.config.CustomURL))
+			assert.Equal(t, req.Method, testObject.method[calls])
+
+			assert.Equal(t, req.Header.Get("PRIVATE-TOKEN"), "aToken")
+			assert.Equal(t, req.Header.Get("Accept"), "application/json")
+
+			bodyBytes, err := ioutil.ReadAll(req.Body)
+			if err != nil {
+				log.Fatal(err)
+			}
+			assert.Contains(t, string(bodyBytes), testObject.requestBody[calls])
+
+			rw.WriteHeader(testObject.responseCode[calls])
+			rw.Header().Set("Content-Type", "application/json")
+
+			if _, err := rw.Write([]byte(testObject.responseBody[calls])); err != nil {
+				log.Info(err)
+			}
+			calls++
+		}))
+
+		if testObject.config.CustomURL == "" {
+			testObject.config.CustomURL = testServer.URL
+		}
+
+		client, err := gitlab.New(&testObject.config, "aToken")
+		assert.NoError(t, err)
+		client.Release = "1.0.0"
+
+		err = client.UploadAssets(testObject.testDir, testObject.assets)
+		if err != nil {
+			t.Log(err)
+		}
+		assert.Equal(t, testObject.valid, err == nil)
+
+		testServer.Close()
+
+	}
+}

internal/releaser/gitlab/types.go

@@ -0,0 +1,25 @@
+package gitlab
+
+// Release struct
+type Release struct {
+	TagName     string `json:"tag_name"`
+	Name        string `json:"name"`
+	Ref         string `json:"ref"`
+	Description string `json:"description,omitempty"`
+	Assets      struct {
+		Links []*ReleaseLink `json:"links"`
+	} `json:"assets"`
+}
+
+// ReleaseLink struct
+type ReleaseLink struct {
+	Name string `json:"name"`
+	URL  string `json:"url"`
+}
+
+// ProjectFile struct
+type ProjectFile struct {
+	Alt      string `json:"alt"`
+	URL      string `json:"url"`
+	Markdown string `json:"markdown"`
+}

internal/releaser/releaser.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 
 	"github.com/Nightapes/go-semantic-release/internal/releaser/github"
+	"github.com/Nightapes/go-semantic-release/internal/releaser/gitlab"
+	"github.com/Nightapes/go-semantic-release/internal/releaser/util"
 	"github.com/Nightapes/go-semantic-release/internal/shared"
 
 	"github.com/Nightapes/go-semantic-release/pkg/config"
@@ -37,6 +39,13 @@ func (r *Releasers) GetReleaser() (Releaser, error) {
 	case github.GITHUB:
 		log.Debugf("initialize new %s-provider", github.GITHUB)
 		return github.New(&r.config.GitHubProvider)
+	case gitlab.GITLAB:
+		log.Debugf("initialize new %s-provider", gitlab.GITLAB)
+		accessToken, err := util.GetAccessToken(gitlab.GITLAB)
+		if err != nil {
+			return nil, err
+		}
+		return gitlab.New(&r.config.GitLabProvider, accessToken)
 	}
 	return nil, fmt.Errorf("could not initialize a releaser from this type: %s", r.config.Release)
 }

internal/releaser/util/util.go

@@ -3,9 +3,11 @@ package util
 import (
 	"archive/zip"
 	"context"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 	"os"
 	"strings"
 
@@ -25,6 +27,27 @@ func CreateBearerHTTPClient(ctx context.Context, token string) *http.Client {
 	return client
 }
 
+// AddHeaderTransport struct
+type AddHeaderTransport struct {
+	T     http.RoundTripper
+	key   string
+	value string
+}
+
+// RoundTrip add header
+func (adt *AddHeaderTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.Header.Add(adt.key, adt.value)
+	return adt.T.RoundTrip(req)
+}
+
+//NewAddHeaderTransport to add default header
+func NewAddHeaderTransport(T http.RoundTripper, key, value string) *AddHeaderTransport {
+	if T == nil {
+		T = http.DefaultTransport
+	}
+	return &AddHeaderTransport{T, key, value}
+}
+
 // GetAccessToken lookup for the providers accesstoken
 func GetAccessToken(providerName string) (string, error) {
 	var token string
@@ -35,6 +58,8 @@ func GetAccessToken(providerName string) (string, error) {
 
 	if token, exists = os.LookupEnv(envName); !exists {
 		return "", fmt.Errorf("could not find %s in the enviroment variables. Please check if it is set", envName)
+	} else if token == "" {
+		return "", fmt.Errorf("token %s is set in environment variables but is empty", envName)
 	}
 	return token, nil
 }
@@ -43,7 +68,9 @@ func GetAccessToken(providerName string) (string, error) {
 func PrepareAssets(repository string, assets []config.Asset) ([]*string, error) {
 	filesToUpload := []*string{}
 	for _, asset := range assets {
-		if asset.Compress {
+		if asset.Name == "" {
+			return nil, fmt.Errorf("asset name declaration is empty, please check your configuration file")
+		} else if asset.Compress {
 			log.Debugf("Asset %s will now be compressed", asset.Name)
 			log.Debugf("Repo url %s", repository)
 			zipNameWithPath, err := zipFile(repository, asset.Name)
@@ -63,6 +90,12 @@ func PrepareAssets(repository string, assets []config.Asset) ([]*string, error)
 // ZipFile compress given file in zip format
 func zipFile(repository string, file string) (string, error) {
 
+	fileToZip, err := os.Open(repository + "/" + file)
+	if err != nil {
+		return "", err
+	}
+	defer fileToZip.Close()
+
 	zipFileName := fmt.Sprintf("%s/%s.zip", strings.TrimSuffix(repository, "/"), file)
 	zipFile, err := os.Create(zipFileName)
 
@@ -73,12 +106,6 @@ func zipFile(repository string, file string) (string, error) {
 
 	defer zipFile.Close()
 
-	fileToZip, err := os.Open(repository + "/" + file)
-	if err != nil {
-		return "", err
-	}
-	defer fileToZip.Close()
-
 	fileToZipInfo, err := fileToZip.Stat()
 	if err != nil {
 		return "", err
@@ -105,3 +132,45 @@ func zipFile(repository string, file string) (string, error) {
 
 	return zipFileName, nil
 }
+
+//PathEscape to be url save
+func PathEscape(s string) string {
+	return strings.Replace(url.PathEscape(s), ".", "%2E", -1)
+}
+
+// Do request for client
+func Do(client *http.Client, req *http.Request, v interface{}) (*http.Response, error) {
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	switch resp.StatusCode {
+	case 200, 201, 202, 204:
+		if v != nil {
+			if w, ok := v.(io.Writer); ok {
+				_, err = io.Copy(w, resp.Body)
+			} else {
+				err = json.NewDecoder(resp.Body).Decode(v)
+			}
+		}
+	}
+
+	return resp, err
+}
+
+// IsValidResult validates response code
+func IsValidResult(resp *http.Response) error {
+	switch resp.StatusCode {
+	case 200, 201, 202, 204:
+		return nil
+	default:
+		return fmt.Errorf("%s %s: %d", resp.Request.Method, resp.Request.URL, resp.StatusCode)
+	}
+}
+
+// ShouldRetry request
+func ShouldRetry(resp *http.Response) bool {
+	return resp.StatusCode == http.StatusTooManyRequests
+}

internal/releaser/util/util_test.go

@@ -0,0 +1,230 @@
+package util_test
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/Nightapes/go-semantic-release/internal/releaser/util"
+)
+
+func TestCreateBearerHTTPClient(t *testing.T) {
+	client := util.CreateBearerHTTPClient(context.Background(), "")
+
+	assert.True(t, client != nil, "Client is empty")
+}
+
+type testDoubleToken struct {
+	providerName, token string
+	valid               bool
+}
+
+var testDoubles = []testDoubleToken{
+	testDoubleToken{providerName: "test0", token: "foo", valid: true},
+	testDoubleToken{providerName: "test1", token: "", valid: false},
+}
+
+func TestGetAccessToken(t *testing.T) {
+	for _, testObject := range testDoubles {
+		envName := fmt.Sprintf("%s_ACCESS_TOKEN", strings.ToUpper(testObject.providerName))
+		if err := os.Setenv(envName, testObject.token); err != nil {
+			fmt.Println(err.Error())
+		}
+
+		_, err := util.GetAccessToken(testObject.providerName)
+
+		assert.Equal(t, testObject.valid, err == nil)
+		os.Unsetenv(envName)
+	}
+}
+
+type testDoubleFiles struct {
+	testFiles []config.Asset
+	valid     bool
+}
+
+var files = []testDoubleFiles{
+	testDoubleFiles{
+		testFiles: []config.Asset{
+			config.Asset{
+				Name:     "file0",
+				Compress: true,
+			},
+			config.Asset{
+				Name:     "file1",
+				Compress: true,
+			},
+		},
+		valid: true,
+	},
+	testDoubleFiles{
+		testFiles: []config.Asset{
+			config.Asset{
+				Name:     "",
+				Compress: true,
+			},
+			config.Asset{
+				Name:     "",
+				Compress: false,
+			},
+		},
+		valid: false,
+	},
+}
+
+func TestPrepareAssets(t *testing.T) {
+	for _, testObject := range files {
+		workDir, _ := os.Getwd()
+		filesToDelete := []string{}
+
+		for _, testFile := range testObject.testFiles {
+
+			if testFile.Name != "" {
+				filesToDelete = append(filesToDelete, testFile.Name)
+
+				file, err := os.Create(testFile.Name)
+				if err != nil {
+					fmt.Print(err.Error())
+				}
+				defer file.Close()
+				if testFile.Compress {
+					filesToDelete = append(filesToDelete, testFile.Name+".zip")
+				}
+			}
+
+		}
+		preparedFiles, err := util.PrepareAssets(workDir, testObject.testFiles)
+
+		if err == nil {
+			assert.Equal(t, 2, len(preparedFiles))
+		}
+
+		assert.Equal(t, testObject.valid, err == nil)
+
+		for _, file := range filesToDelete {
+			if err := os.Remove(file); err != nil {
+				fmt.Println(err.Error())
+			}
+
+		}
+
+	}
+
+}
+
+func TestShouldRetry(t *testing.T) {
+	assert.True(t, util.ShouldRetry(&http.Response{StatusCode: 429}))
+	assert.False(t, util.ShouldRetry(&http.Response{StatusCode: 200}))
+}
+
+func TestIsValidResult(t *testing.T) {
+	assert.NoError(t, util.IsValidResult(&http.Response{StatusCode: 200}))
+	assert.NoError(t, util.IsValidResult(&http.Response{StatusCode: 201}))
+	assert.NoError(t, util.IsValidResult(&http.Response{StatusCode: 202}))
+	assert.NoError(t, util.IsValidResult(&http.Response{StatusCode: 204}))
+
+	u, err := url.Parse("https://localhost")
+	assert.NoError(t, err)
+	assert.Error(t, util.IsValidResult(&http.Response{StatusCode: 500, Request: &http.Request{
+		Method: "POST",
+		URL:    u,
+	}}))
+}
+
+func TestPathEscape(t *testing.T) {
+	assert.Equal(t, "test%2Ftest", util.PathEscape("test/test"))
+	assert.Equal(t, "test", util.PathEscape("test"))
+	assert.Equal(t, "test%2Etest", util.PathEscape("test.test"))
+}
+
+type example struct {
+	Test string `json:"test"`
+}
+
+func TestDoAndRoundTrip(t *testing.T) {
+	tokenHeader := util.NewAddHeaderTransport(nil, "PRIVATE-TOKEN", "aToken")
+	acceptHeader := util.NewAddHeaderTransport(tokenHeader, "Accept", "application/json")
+	httpClient := &http.Client{
+		Transport: acceptHeader,
+		Timeout:   time.Second * 60,
+	}
+
+	testsDoMethod := []struct {
+		statusCode       int
+		body             string
+		responseBody     interface{}
+		responseBodyType interface{}
+		hasError         bool
+		path             string
+	}{
+		{
+			statusCode: 200,
+			body:       `{"test" : "hallo"}`,
+			responseBody: &example{
+				Test: "hallo",
+			},
+			responseBodyType: &example{},
+			hasError:         false,
+			path:             "",
+		},
+		{
+			statusCode:       400,
+			body:             `{"test" : "hallo"}`,
+			responseBody:     &example{},
+			responseBodyType: &example{},
+			hasError:         false,
+			path:             "",
+		},
+		{
+			statusCode:       200,
+			body:             `{"test" : "hallo"}`,
+			hasError:         true,
+			responseBody:     &example{},
+			responseBodyType: &example{},
+			path:             "broken",
+		},
+	}
+
+	for _, testOject := range testsDoMethod {
+		testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+
+			log.Infof("Got call from %s %s", req.Method, req.URL.String())
+
+			assert.Equal(t, req.Header.Get("PRIVATE-TOKEN"), "aToken")
+			assert.Equal(t, req.Header.Get("Accept"), "application/json")
+
+			rw.WriteHeader(testOject.statusCode)
+			rw.Header().Set("Content-Type", "application/json")
+
+			if _, err := rw.Write([]byte(testOject.body)); err != nil {
+				log.Info(err)
+			}
+
+		}))
+
+		req, err := http.NewRequest("POST", testServer.URL+testOject.path, nil)
+		assert.NoError(t, err)
+
+		resp, err := util.Do(httpClient, req, testOject.responseBodyType)
+
+		assert.Equal(t, testOject.hasError, err != nil)
+
+		if !testOject.hasError {
+			assert.Equal(t, testOject.statusCode, resp.StatusCode)
+			assert.Equal(t, testOject.responseBody, testOject.responseBodyType)
+		}
+		testServer.Close()
+	}
+}

internal/shared/shared.go

@@ -6,16 +6,18 @@ import (
 
 //ReleaseVersion struct
 type ReleaseVersion struct {
-	Last   ReleaseVersionEntry
-	Next   ReleaseVersionEntry
-	Branch string
-	Draft  bool
+	Last    ReleaseVersionEntry                            `yaml:"last"`
+	Next    ReleaseVersionEntry                            `yaml:"next"`
+	Branch  string                                         `yaml:"branch"`
+	Draft   bool                                           `yaml:"draft"`
+	Commits map[Release][]AnalyzedCommit `yaml:"commits"`
 }
 
 //ReleaseVersionEntry struct
 type ReleaseVersionEntry struct {
-	Commit  string
-	Version *semver.Version
+	Commit        string `yaml:"commit"`
+	VersionString string `yaml:"version"`
+	Version       *semver.Version `yaml:"-"`
 }
 
 //GeneratedChangelog struct
@@ -31,3 +33,27 @@ type ChangelogTemplateConfig struct {
 	Hash       string
 	Version    string
 }
+
+//AnalyzedCommit struct
+type AnalyzedCommit struct {
+	Commit                      Commit `yaml:"commit"`
+	ParsedMessage               string `yaml:"parsedMessage"`
+	Scope                       Scope  `yaml:"scope"`
+	ParsedBreakingChangeMessage string `yaml:"parsedBreakingChangeMessage"`
+	Tag                         string `yaml:"tag"`
+	TagString                   string `yaml:"tagString"`
+	Print                       bool   `yaml:"print"`
+}
+
+//Scope of the commit, like feat, fix,..
+type Scope string
+
+//Release types, like major
+type Release string
+
+// Commit struct
+type Commit struct {
+	Message string `yaml:"message"`
+	Author  string `yaml:"author"`
+	Hash    string `yaml:"hash"`
+}

pkg/config/config.go

@@ -29,6 +29,13 @@ type GitHubProvider struct {
 	AccessToken string
 }
 
+// GitLabProvider struct
+type GitLabProvider struct {
+	Repo        string `yaml:"repo"`
+	CustomURL   string `yaml:"customUrl,omitempty"`
+	AccessToken string
+}
+
 // ReleaseConfig struct
 type ReleaseConfig struct {
 	CommitFormat          string            `yaml:"commitFormat"`
@@ -36,6 +43,7 @@ type ReleaseConfig struct {
 	Changelog             ChangelogConfig   `yaml:"changelog,omitempty"`
 	Release               string            `yaml:"release,omitempty"`
 	GitHubProvider        GitHubProvider    `yaml:"github,omitempty"`
+	GitLabProvider        GitLabProvider    `yaml:"gitlab,omitempty"`
 	Assets                []Asset           `yaml:"assets"`
 	ReleaseTitle          string            `yaml:"title"`
 	IsPreRelease, IsDraft bool
@@ -55,7 +63,7 @@ func Read(configPath string) (*ReleaseConfig, error) {
 		return &ReleaseConfig{}, err
 	}
 
-	log.Debugf("Found config %+v", releaseConfig)
+	log.Tracef("Found config %+v", releaseConfig)
 
 	return &releaseConfig, nil
 }

pkg/config/config_test.go

@@ -0,0 +1,112 @@
+package config_test
+
+import (
+	"testing"
+
+	"github.com/Nightapes/go-semantic-release/pkg/config"
+	"github.com/stretchr/testify/assert"
+	"io/ioutil"
+	"os"
+	"path"
+)
+
+func TestReadCacheNotFound(t *testing.T) {
+
+	_, err := config.Read("notfound/dir")
+	assert.Errorf(t, err, "Read non exsiting file")
+
+}
+
+func TestReadCacheInvalidContent(t *testing.T) {
+
+	dir, err := ioutil.TempDir("", "prefix")
+	assert.NoError(t, err)
+	defer os.RemoveAll(dir)
+
+	completePath := path.Join(path.Dir(dir), ".release.yml")
+	brokenContent := []byte("hello broken\ngo: lang\n")
+	err = ioutil.WriteFile(completePath, brokenContent, 0644)
+	assert.NoError(t, err)
+
+	_, readError := config.Read(completePath)
+	assert.Errorf(t, readError, "Should give error, when broken content")
+
+}
+
+func TestWriteAndReadCache(t *testing.T) {
+
+	dir, err := ioutil.TempDir("", "prefix")
+
+	assert.NoError(t, err)
+	defer os.RemoveAll(dir)
+
+	completePath := path.Join(path.Dir(dir), ".release.yml")
+	content := []byte(`
+commitFormat: angular
+title: "go-semantic-release release"
+branch:
+  master: release
+  rc: rc
+  beta: beta
+  alpha: alpha
+  add_git_releases: alpha
+changelog:
+  printAll: false
+  template: ''
+  templatePath: ''
+release: 'github'
+assets:
+  - name: ./build/go-semantic-release
+    compress: false
+github:
+  repo: "go-semantic-release"
+  user: "nightapes"
+  customUrl: ""
+`)
+	err = ioutil.WriteFile(completePath, content, 0644)
+	assert.NoError(t, err)
+
+	result, readError := config.Read(completePath)
+	assert.NoErrorf(t, readError, "Should read file")
+
+	assert.EqualValues(t, &config.ReleaseConfig{
+		CommitFormat: "angular",
+		Branch:       map[string]string{"add_git_releases": "alpha", "alpha": "alpha", "beta": "beta", "master": "release", "rc": "rc"},
+		Changelog: config.ChangelogConfig{
+			PrintAll:     false,
+			Template:     "",
+			TemplatePath: ""},
+		Release: "github",
+		GitHubProvider: config.GitHubProvider{
+			Repo:        "go-semantic-release",
+			User:        "nightapes",
+			CustomURL:   "",
+			AccessToken: ""},
+		Assets: []config.Asset{
+			config.Asset{
+				Name:     "./build/go-semantic-release",
+				Compress: false}},
+		ReleaseTitle: "go-semantic-release release",
+		IsPreRelease: false,
+		IsDraft:      false,
+	}, result)
+
+}
+
+// func TestWriteNotFound(t *testing.T) {
+
+// 	err := cache.Write("notfound/dir", shared.ReleaseVersion{
+// 		Last: shared.ReleaseVersionEntry{
+// 			Commit:  "12345",
+// 			Version: createVersion("1.0.0"),
+// 		},
+// 		Next: shared.ReleaseVersionEntry{
+// 			Commit:  "12346",
+// 			Version: createVersion("1.1.0"),
+// 		},
+// 		Branch: "master",
+// 		Draft:  true,
+// 	})
+// 	assert.Errorf(t, err, "Write non exsiting file")
+
+// }

pkg/semanticrelease/helper.go

@@ -1,87 +0,0 @@
-package semanticrelease
-
-import (
-	"strconv"
-	"strings"
-
-	"github.com/Masterminds/semver"
-	"github.com/Nightapes/go-semantic-release/internal/cache"
-	"github.com/Nightapes/go-semantic-release/internal/shared"
-	log "github.com/sirupsen/logrus"
-)
-
-func (s *SemanticRelease) incPrerelease(preReleaseType string, version semver.Version) semver.Version {
-	defaultPrerelease := preReleaseType + ".0"
-	if version.Prerelease() == "" || !strings.HasPrefix(version.Prerelease(), preReleaseType) {
-		version, _ = version.SetPrerelease(defaultPrerelease)
-	} else {
-		parts := strings.Split(version.Prerelease(), ".")
-		if len(parts) == 2 {
-			i, err := strconv.Atoi(parts[1])
-			if err != nil {
-				version, _ = version.SetPrerelease(defaultPrerelease)
-				log.Warnf("Could not parse release tag %s, use version %s", version.Prerelease(), version.String())
-			} else {
-				version, _ = version.SetPrerelease(preReleaseType + "." + strconv.Itoa((i + 1)))
-			}
-		} else {
-			version, _ = version.SetPrerelease(defaultPrerelease)
-			log.Warnf("Could not parse release tag %s, use version %s", version.Prerelease(), version.String())
-		}
-	}
-
-	return version
-}
-
-func (s *SemanticRelease) saveToCache(releaseVersion shared.ReleaseVersion) error {
-
-	toCache := cache.ReleaseVersion{
-		Next: cache.ReleaseVersionEntry{
-			Commit:  releaseVersion.Next.Commit,
-			Version: releaseVersion.Next.Version.String(),
-		},
-		Last: cache.ReleaseVersionEntry{
-			Commit:  releaseVersion.Last.Commit,
-			Version: releaseVersion.Last.Version.String(),
-		},
-		Branch: releaseVersion.Branch,
-	}
-
-	log.Debugf("Save %s with hash %s to cache", releaseVersion.Next.Version.String(), releaseVersion.Next.Commit)
-	return cache.Write(s.repository, toCache)
-}
-
-func (s *SemanticRelease) readFromCache(currentHash string) (*shared.ReleaseVersion, error) {
-	content, err := cache.Read(s.repository)
-
-	if err == nil && content.Next.Commit == currentHash {
-
-		nextVersion, err := semver.NewVersion(content.Next.Version)
-		if err != nil {
-			return nil, err
-		}
-
-		lastVersion, err := semver.NewVersion(content.Last.Version)
-		if err != nil {
-			return nil, err
-		}
-
-		releaseVersion := &shared.ReleaseVersion{
-			Next: shared.ReleaseVersionEntry{
-				Commit:  content.Next.Commit,
-				Version: nextVersion,
-			},
-			Last: shared.ReleaseVersionEntry{
-				Commit:  content.Last.Commit,
-				Version: lastVersion,
-			},
-			Branch: content.Branch,
-		}
-
-		log.Infof("Found cache, will return cached version %s", content.Next.Version)
-		return releaseVersion, nil
-
-	}
-	log.Debugf("Mismatch git and version file  %s - %s", content.Next.Commit, currentHash)
-	return nil, nil
-}

pkg/semanticrelease/semantic-release.go

@@ -1,12 +1,14 @@
 package semanticrelease
 
 import (
-	"fmt"
 	"io/ioutil"
 	"strings"
+	"time"
 
 	"github.com/Masterminds/semver"
 	"github.com/Nightapes/go-semantic-release/internal/analyzer"
+	"github.com/Nightapes/go-semantic-release/internal/cache"
+	"github.com/Nightapes/go-semantic-release/internal/calculator"
 	"github.com/Nightapes/go-semantic-release/internal/changelog"
 	"github.com/Nightapes/go-semantic-release/internal/ci"
 	"github.com/Nightapes/go-semantic-release/internal/gitutil"
@@ -22,6 +24,7 @@ type SemanticRelease struct {
 	config     *config.ReleaseConfig
 	gitutil    *gitutil.GitUtil
 	analyzer   *analyzer.Analyzer
+	calculator *calculator.Calculator
 	releaser   releaser.Releaser
 	repository string
 }
@@ -49,32 +52,25 @@ func New(c *config.ReleaseConfig, repository string) (*SemanticRelease, error) {
 		releaser:   releaser,
 		analyzer:   analyzer,
 		repository: repository,
+		calculator: calculator.New(),
 	}, nil
 }
 
+//GetCIProvider result with ci config
+func (s *SemanticRelease) GetCIProvider() (*ci.ProviderConfig, error) {
+	return ci.GetCIProvider(s.gitutil, ci.ReadAllEnvs())
+}
+
 // GetNextVersion from .version or calculate new from commits
-func (s *SemanticRelease) GetNextVersion(force bool) (*shared.ReleaseVersion, error) {
-	provider, err := ci.GetCIProvider(s.gitutil)
-
-	if err != nil {
-		fakeVersion, _ := semver.NewVersion("0.0.0-fake.0")
-		log.Warnf("Will not calculate version, set fake version. Could not find CI Provider, if running locally, set env CI=true")
-		return &shared.ReleaseVersion{
-			Next: shared.ReleaseVersionEntry{
-				Commit:  "",
-				Version: fakeVersion,
-			},
-		}, nil
-	}
-
+func (s *SemanticRelease) GetNextVersion(provider *ci.ProviderConfig, force bool) (*shared.ReleaseVersion, error) {
 	log.Debugf("Ignore .version file if exits, %t", force)
 	if !force {
-		releaseVersion, err := s.readFromCache(provider.Commit)
+		releaseVersion, err := cache.Read(s.repository)
 		if err != nil {
 			return nil, err
 		}
 
-		if releaseVersion != nil {
+		if releaseVersion.Next.Commit == provider.Commit && releaseVersion != nil {
 			return releaseVersion, nil
 		}
 	}
@@ -84,16 +80,12 @@ func (s *SemanticRelease) GetNextVersion(force bool) (*shared.ReleaseVersion, er
 		return nil, err
 	}
 
-	var newVersion semver.Version
 	firstRelease := false
 
 	if lastVersion == nil {
 		defaultVersion, _ := semver.NewVersion("1.0.0")
-		newVersion = *defaultVersion
 		lastVersion = defaultVersion
 		firstRelease = true
-	} else {
-		newVersion = *lastVersion
 	}
 
 	commits, err := s.gitutil.GetCommits(lastVersionHash)
@@ -103,32 +95,15 @@ func (s *SemanticRelease) GetNextVersion(force bool) (*shared.ReleaseVersion, er
 
 	log.Debugf("Found %d commits till last release", len(commits))
 
-	a, err := analyzer.New(s.config.CommitFormat, s.config.Changelog)
-	if err != nil {
-		return nil, err
-	}
-	result := a.Analyze(commits)
+	analyzedCommits := s.analyzer.Analyze(commits)
+
 	isDraft := false
+	var newVersion semver.Version
 	for branch, releaseType := range s.config.Branch {
 		if provider.Branch == branch || strings.HasPrefix(provider.Branch, branch) {
 			log.Debugf("Found branch config for branch %s with release type %s", provider.Branch, releaseType)
-			switch releaseType {
-			case "beta", "alpha":
-				isDraft = true
-				newVersion = s.incPrerelease(releaseType, newVersion)
-			case "rc":
-				newVersion = s.incPrerelease(releaseType, newVersion)
-			case "release":
-				if !firstRelease {
-					if len(result["major"]) > 0 {
-						newVersion = newVersion.IncMajor()
-					} else if len(result["minor"]) > 0 {
-						newVersion = newVersion.IncMinor()
-					} else if len(result["patch"]) > 0 {
-						newVersion = newVersion.IncPatch()
-					}
-				}
-			}
+			newVersion, isDraft = s.calculator.CalculateNewVersion(analyzedCommits, lastVersion, releaseType, firstRelease)
+			break
 		}
 	}
 
@@ -143,10 +118,11 @@ func (s *SemanticRelease) GetNextVersion(force bool) (*shared.ReleaseVersion, er
 		},
 		Branch:  provider.Branch,
 		Draft:   isDraft,
+		Commits: analyzedCommits,
 	}
 
 	log.Infof("New version %s -> %s", lastVersion.String(), newVersion.String())
-	err = s.saveToCache(releaseVersion)
+	err = cache.Write(s.repository, releaseVersion)
 	if err != nil {
 		return nil, err
 	}
@@ -154,19 +130,13 @@ func (s *SemanticRelease) GetNextVersion(force bool) (*shared.ReleaseVersion, er
 }
 
 //SetVersion for git repository
-func (s *SemanticRelease) SetVersion(version string) error {
+func (s *SemanticRelease) SetVersion(provider *ci.ProviderConfig, version string) error {
 
 	newVersion, err := semver.NewVersion(version)
 	if err != nil {
 		return err
 	}
 
-	provider, err := ci.GetCIProvider(s.gitutil)
-
-	if err != nil {
-		return fmt.Errorf("will not set version. Could not find CI Provider, if running locally, set env CI=true")
-	}
-
 	lastVersion, lastVersionHash, err := s.gitutil.GetLastVersion()
 	if err != nil {
 		return err
@@ -175,7 +145,7 @@ func (s *SemanticRelease) SetVersion(version string) error {
 		lastVersion, _ = semver.NewVersion("1.0.0")
 	}
 
-	return s.saveToCache(shared.ReleaseVersion{
+	return cache.Write(s.repository, shared.ReleaseVersion{
 		Next: shared.ReleaseVersionEntry{
 			Commit:  provider.Commit,
 			Version: newVersion,
@@ -190,22 +160,13 @@ func (s *SemanticRelease) SetVersion(version string) error {
 
 // GetChangelog from last version till now
 func (s *SemanticRelease) GetChangelog(releaseVersion *shared.ReleaseVersion) (*shared.GeneratedChangelog, error) {
-	commits, err := s.gitutil.GetCommits(releaseVersion.Last.Commit)
-	if err != nil {
-		return nil, err
-	}
-
-	result := s.analyzer.Analyze(commits)
-
-	log.Debugf("Found %d commits till last release", len(commits))
-
-	c := changelog.New(s.config, s.analyzer.GetRules())
+	c := changelog.New(s.config, s.analyzer.GetRules(), time.Now())
 	return c.GenerateChanglog(shared.ChangelogTemplateConfig{
 		Version:    releaseVersion.Next.Version.String(),
 		Hash:       releaseVersion.Last.Commit,
 		CommitURL:  s.releaser.GetCommitURL(),
 		CompareURL: s.releaser.GetCompareURL(releaseVersion.Last.Version.String(), releaseVersion.Next.Version.String()),
-	}, result)
+	}, releaseVersion.Commits)
 
 }
 
@@ -215,14 +176,7 @@ func (s *SemanticRelease) WriteChangeLog(changelogContent, file string) error {
 }
 
 // Release pusblish release to provider
-func (s *SemanticRelease) Release(force bool) error {
-
-	provider, err := ci.GetCIProvider(s.gitutil)
-
-	if err != nil {
-		log.Debugf("Will not perform a new release. Could not find CI Provider")
-		return nil
-	}
+func (s *SemanticRelease) Release(provider *ci.ProviderConfig, force bool) error {
 
 	if provider.IsPR {
 		log.Debugf("Will not perform a new release. This is a pull request")
@@ -234,12 +188,17 @@ func (s *SemanticRelease) Release(force bool) error {
 		return nil
 	}
 
-	releaseVersion, err := s.GetNextVersion(force)
+	releaseVersion, err := s.GetNextVersion(provider, force)
 	if err != nil {
 		log.Debugf("Could not get next version")
 		return err
 	}
 
+	if releaseVersion.Next.Version.Equal(releaseVersion.Last.Version) {
+		log.Infof("No new version, no release needed %s <> %s", releaseVersion.Next.Version.String(), releaseVersion.Last.Version.String())
+		return nil
+	}
+
 	generatedChanglog, err := s.GetChangelog(releaseVersion)
 	if err != nil {
 		log.Debugf("Could not get changelog")