From 0b309228d3fbabd6b70a817d45e899ec800cb7e8 Mon Sep 17 00:00:00 2001
From: Aaron Guise <aaron@guise.net.nz>
Date: Tue, 2 Apr 2024 11:51:42 +1300
Subject: [PATCH] fix(git): Added git filter for project

Ensures angular style commit messages are applied.
---
 .githooks/commit-msg           | 11 +++++
 scripts/commit-filter-check.sh | 85 ++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100755 .githooks/commit-msg
 create mode 100755 scripts/commit-filter-check.sh

diff --git a/.githooks/commit-msg b/.githooks/commit-msg
new file mode 100755
index 0000000..bb2ada3
--- /dev/null
+++ b/.githooks/commit-msg
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Run the script and get the return code if successful of if fails
+./scripts/commit-filter-check.sh && rc=$? || rc=$?
+echo return code : $rc
+if [ ${rc} == 1 ]; then
+	echo "Script return code 1 so commit failed"
+	exit 1
+else
+	echo "No error returned so commit successful"
+fi
diff --git a/scripts/commit-filter-check.sh b/scripts/commit-filter-check.sh
new file mode 100755
index 0000000..2d9e3b8
--- /dev/null
+++ b/scripts/commit-filter-check.sh
@@ -0,0 +1,85 @@
+#!/bin/bash
+
+commit_message_check (){
+      # Get the current branch and apply it to a variable
+      currentbranch=`git branch | grep \* | cut -d ' ' -f2`
+
+      # Gets the commits for the current branch and outputs to file
+      git log $currentbranch --pretty=format:"%H" --not master > shafile.txt
+
+      # loops through the file an gets the message
+      for i in `cat ./shafile.txt`;
+      do 
+      # gets the git commit message based on the sha
+      gitmessage=`git log --format=%B -n 1 "$i"`
+
+      ####################### TEST STRINGS comment out line 13 to use #########################################
+      #gitmessage="feat sdasdsadsaas (AEROGEAR-asdsada)"
+      #gitmessage="feat(some txt): some txt (AEROGEAR-****)"
+      #gitmessage="docs(some txt): some txt (AEROGEAR-1234)"
+      #gitmessage="fix(some txt): some txt (AEROGEAR-5678)"
+      #########################################################################################################
+      
+      # Checks gitmessage for string feat, fix, docs and breaking, if the messagecheck var is empty if fails
+      messagecheck=`echo $gitmessage | grep -w "chore\|feat\|fix\|docs\|breaking"`
+      if [ -z "$messagecheck" ]
+      then 
+            echo "Your commit message must begin with one of the following"
+            echo "  feat(feature-name)"
+            echo "  fix(fix-name)"
+            echo "  docs(docs-change)"
+            echo " "
+      fi
+      if [ ${PerformProjectCheck} == "true" ]; then
+            #check the gitmessage for the Jira number
+            messagecheck=`echo $gitmessage | grep "(${ProjectID}-"`
+            if  [ -z "$messagecheck" ]
+            then 
+                   echo "Your commit message must end with the following"
+                   echo "  (${ProjectID}-****)"
+                   echo "Where **** is the Jira number"
+                   echo " " 
+             fi
+      fi
+      messagecheck=`echo $gitmessage | grep ": "`
+      if  [ -z "$messagecheck" ]
+      then 
+            echo "Your commit message has a formatting error please take note of special characters '():' position and use in the example below"
+            echo "   type(some txt): some txt (${ProjectID}-****)"
+            echo "Where 'type' is fix, feat, docs or breaking and **** is the Jira number"
+            echo " "
+      fi
+
+      if [ ${PerformProjectCheck} == "true" ]; then
+        # All checks run at the same time by pipeing from one grep to another
+        messagecheck=`echo $gitmessage | grep -w "chore\|feat\|fix\|docs\|breaking" | grep "(${ProjectID}-" | grep ": "`
+      else
+        # All checks run at the same time by pipeing from one grep to another
+        messagecheck=`echo $gitmessage | grep -w "chore\|feat\|fix\|docs\|breaking" | grep ": "`
+      fi
+
+
+
+      # check to see if the messagecheck var is empty
+      if [ -z "$messagecheck" ]
+      then  
+            echo "The commit message with sha: '$i' failed "
+            echo "Please review the following :"
+            echo " "
+            echo $gitmessage
+            echo " "
+            rm shafile.txt >/dev/null 2>&1
+            set -o errexit
+      else
+            echo "$messagecheck"
+            echo "'$i' commit message passed"
+      fi  
+      done
+      rm shafile.txt  >/dev/null 2>&1
+}
+
+
+ProjectID="NA" # Set to your Jira Project ID if want to track references to tickets.
+PerformProjectCheck="false" # Set true if ProjectID is set and you want to ensure Jira ref is included on commit.
+# Calling the function
+commit_message_check 
\ No newline at end of file