Automatically add git branch name to the commit message. Add the below file to .git/hooks/ directory and make it executable with the command $ chmod +x prepare-commit-msg, the below code excludes branch names master develop test

prepare-commit-msg

#!/bin/bash

# This way you can customize which branches should be skipped when
# prepending commit message. 
if [ -z "$BRANCHES_TO_SKIP" ]; then
  BRANCHES_TO_SKIP=(master develop test)
fi

BRANCH_NAME=$(git symbolic-ref --short HEAD)
BRANCH_NAME="${BRANCH_NAME##*/}"

BRANCH_EXCLUDED=$(printf "%s\n" "${BRANCHES_TO_SKIP[@]}" | grep -c "^$BRANCH_NAME$")
BRANCH_IN_COMMIT=$(grep -c "\[$BRANCH_NAME\]" $1)

if [ -n "$BRANCH_NAME" ] && ! [[ $BRANCH_EXCLUDED -eq 1 ]] && ! [[ $BRANCH_IN_COMMIT -ge 1 ]]; then 
  # to add branch at the end of the commit message
  sed -i.bak -e "1s/$/[$BRANCH_NAME] /" $1
  # # to prepend branch name to the commit message, use ^ instead in regular expression
  # sed -i.bak -e "1s/^/[$BRANCH_NAME] /" $1
fi