git .git/hooks/prepare-commit-msg #!/bin/bash -u # https://qiita.com/koara-local/items/eae7942131e53cb8031a current_branch=$(git branch | grep "^\*") if [[ ! "$current_branch" =~ .*/[A-Z]+-[0-9]+.* ]]; then exit 0 fi # e.g. feature/AAA-123-xxx-hogehoge -> AAA-123 issue_id=$(echo "$current_branch" | sed -E 's/^.*\/([A-Z]+-[0-9]+).*$/\1/') # Insert Issue ID at the beginning of the commit message if it doesn't exist if [[ ! $(head -n 1 $1 | grep "$issue_id") ]]; then sed -i -e '1 s@\(.*\)@'"${issue_id}"' \1@' $1 fi