git-prevent-commit-on-default

#!/usr/bin/env bash
# Disallow push to default branch
# https://gist.github.com/kalpeshsingh/e7682478b8927700c714f12e37f0837e
# Same as
# https://github.com/pre-commit/pre-commit-hooks?tab=readme-ov-file#no-commit-to-branch

set -TCEeuo pipefail

branch="$(git rev-parse --abbrev-ref HEAD)"
default=$(git remote show origin | grep "HEAD branch" | sed 's/.*: //')

# a branch name where you want to prevent git push. In this case, it's "master"
if [ "$branch" == "$default" ]; then
  echo "You can't commit directly to '\"${branch}\"' branch" # webstorm or intellij will show this as popup
  exit 1 # if you remove this line then it won't block push but send message to group and on command line
fi