Git hooks

prepare-commit-msg

#! /bin/zsh

# if git branch name contains number, add leading [#NNN] to the commit message
# so github will add reference to specific issue

BRANCH_NAME=$(git symbolic-ref --short HEAD)
BRANCH_NUMBER=$(git symbolic-ref --short HEAD | sed "s/[^0-9]//g")
COMMIT_TEXT=$(cat $1)

if [ -n "$BRANCH_NUMBER" ] && ! [[ $COMMIT_TEXT =~ "\[.*#$BRANCH_NUMBER\]" ]]; then
  sed -i.bak -e "1s/^/[#$BRANCH_NUMBER] /" $1
fi