Git commit-msg hook to validate for issue number(#1234) or the word merge

commit-msg.sh

#!/usr/bin/env bash

# regex to validate in commit msg
commit_regex='(#[0-9]+|merge)'
error_msg="Aborting commit. Your commit message is missing either a Issue Number ('#1111') or 'Merge'"

if ! grep -iqE "$commit_regex" "$1"; then
    echo "$error_msg" >&2
    exit 1
fi

Instructions.md

Instructions

• copy the file commit-msg to .git/hooks/commit-msg
• make sure your delete the sample file .git/hooks/commit-msg.sample
• Make commit msg executable. chmod +x .git/hooks/commit-msg
• Edit commit-msg to better fit your development branch, commit regex and error message
• Profit $$

Shell example

curl https://gist.githubusercontent.com/subicura/1782fbbd39f0fe05a992/raw/546c228d739996409f89218df285de8375536e33/commit-msg.sh > .git/hooks/commit-msg

rm .git/hooks/commit-msg.sample

chmod +x .git/hooks/commit-msg

vim .git/hooks/commit-msg

echo "Profit $$"