temp(pkg/releaser): add ZipFiles Method

internal/releaser/util/util.go

@@ -1,8 +1,10 @@
 package util
 
 import (
+	"archive/zip"
 	"context"
 	"fmt"
+	"io"
 	"net/http"
 	"os"
 	"strings"
@@ -35,3 +37,47 @@ func GetAccessToken(providerName string) (string, error) {
 	}
 	return token, nil
 }
+
+// ZipFile compress given file in zip format
+func ZipFile(repository string, file string) (string, error) {
+
+	zipFileName := fmt.Sprintf("%s/%s", strings.TrimSuffix(repository, "/"), file)
+	zipFile, err := os.Create(zipFileName)
+
+	if err != nil {
+		return "", err
+	}
+
+	defer zipFile.Close()
+
+	fileToZip, err := os.Open(file)
+	if err != nil {
+		return "", err
+	}
+	defer fileToZip.Close()
+
+	fileToZipInfo, err := fileToZip.Stat()
+	if err != nil {
+		return "", err
+	}
+
+	zipWriter := zip.NewWriter(zipFile)
+
+	fileToZipHeader, err := zip.FileInfoHeader(fileToZipInfo)
+	if err != nil {
+		return "", err
+	}
+
+	fileToZipHeader.Name = fileToZipInfo.Name()
+
+	fileToZipWriter, err := zipWriter.CreateHeader(fileToZipHeader)
+	if err != nil {
+		return "", err
+	}
+
+	if _, err = io.Copy(fileToZipWriter, fileToZip); err != nil {
+		return "", err
+	}
+
+	return zipFileName, nil
+}