# Git Hook

{{tag>git hook prepare commit msg bash}}

### prepare-commit-msg

```shell
#!/bin/bash

if [ -z "$BRANCHES_TO_SKIP" ]; then
  BRANCHES_TO_SKIP=(master develop release hotfix)
fi

BRANCH_NAME=$(git symbolic-ref --short HEAD)
BRANCH_NAME="${BRANCH_NAME##*/}"
JIRA_ID=`echo $BRANCH_NAME | egrep -o 'HD.-[0-9]+'`

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

if [ -n $JIRA_ID ] && ! [[ $BRANCH_EXCLUDED -eq 1 ]] && ! [[ $BRANCH_IN_COMMIT -ge 1 ]]; then 
  sed -i.bak -e "1s/^/$JIRA_ID /" $1
fi
```

## 출처

- [GitHub 커밋 메세지에 JIRA 이슈번호 자동으로 넣어주기](https://medium.com/prnd/github-%EC%BB%A4%EB%B0%8B-%EB%A9%94%EC%84%B8%EC%A7%80%EC%97%90-jira-%EC%9D%B4%EC%8A%88%EB%B2%88%ED%98%B8-%EC%9E%90%EB%8F%99%EC%9C%BC%EB%A1%9C-%EB%84%A3%EC%96%B4%EC%A3%BC%EA%B8%B0-779048784037)