#!/bin/sh
# cp .git/hooks/pre-commit && chmod +x
printf "%s\n%s\n\n" "running pre commit hooks" "use --no-verify to skip"

# formatting & linting
bun fix
RESULT=$?
if [ $RESULT -ne 0 ]; then
	printf "%s\n" "linting failed. commit aborted."
	exit 1
fi
# update any tracked files that might have been formatted
git add -u

# git upstream
git rev-parse --abbrev-ref --symbolic-full-name "@{u}" > /dev/null 2>&1
RESULT=$?
if [ $RESULT -ne 0 ]; then
	printf "\n%s\n%s\n" "no upstream branch configured for the current branch." "configure an upstream using: \`git branch --set-upstream-to=origin/<branch> <branch>\`"
	exit 1
fi

printf "\n%s\n\n" "fetching git upstreams..."
git fetch

LOCAL=$(git rev-parse @)
REMOTE=$(git rev-parse "@{u}")
BASE=$(git merge-base @ "@{u}")

if [ "$LOCAL" = "$REMOTE" ]; then
	# in sync
	exit 0
elif [ "$LOCAL" = "$BASE" ]; then
	# local is behind
	printf "\n%s\n%s\n" "your branch is behind the remote." "pull and resolve before committing."
	exit 1
else
	# local is ahead or diverged
	exit 0
fi