pre-commit

#!/bin/bash
#
# An example hook script to verify what is about to be committed.
# Called by "git commit" with no arguments.  The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.
#

if git rev-parse --verify HEAD >/dev/null 2>&1
then
	against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=$(git hash-object -t tree /dev/null)
fi

# Redirect output to stderr.
exec 1>&2

if ! diff {.,./nixpkgs-config}/.github/workflows/build.yml
then
	echo github workflows in the ./nixpkgs-config subtree is out of sync
	exit 1
fi

# ensure that the sub-flake is synced to the parent flake
nix flake update nixpkgs-config

# # If there are whitespace errors, print the offending file names and fail.
# exec git diff-index --check --cached "$against" --