prepare-commit-msg

prepare-commit-msg

#!/bin/bash
# This adds "fixes #0000" to the third line of the commit message automatically
# if there is an issue number in front of the branch name.
BRANCH_PATH=$(git symbolic-ref -q HEAD) # Something like refs/heads/my-branch-name
BRANCH_NAME=${BRANCH_PATH##*/} # Get text behind the last / of the branch path
# Make sure we have an issue number in front before doing anything
if [[ $BRANCH_NAME =~ (^[0-9]{4}) ]] ;then
  ISSUE_NUMBER=${BASH_REMATCH[1]}
  FIRST_LINE=$(head -n1 $1)

  # Check that this is not an amend by checking that the first line is empty:
  if [ -z "$FIRST_LINE"  ] ;then
      # Insert "fixes #ISSUE_NUMBER" on the third line of the commit message":
      echo -ne "\n\nfixes #$ISSUE_NUMBER"|cat - "$1" > /tmp/out && mv /tmp/out "$1"
  fi
fi