Random Git Hook Stuff

hooks-stuff.sh

#!/bin/sh

# exit on any error, unset variable, or failed piped commands
set -euo pipefail

# set hooks path
git config core.hooksPath ".git-hooks"
chmod -R +x "$(git rev-parse --git-path hooks)"

# check if command is installed
if ! command -v COMMAND >/dev/null 2>&1; then
    echo 'Error: COMMAND is not installed' >&2
    exit 1
fi

# add dirs to path from paths.txt
while read -r line; do
    if [ -n "${line}" ] && [ -d "${line}" ]; then
        PATH="${line}:${PATH}"
    fi
done <".git-hooks/paths.txt"

# run command on filtered modified files
FILES=$(git diff --cached --name-only --diff-filter=ACMR "*.EXTENSION_1" "*.EXTENSION_2" | sed 's| |\\ |g')
if [ -n "$FILES" ]; then
  # apply command
  echo "$FILES" | xargs COMMAND

  # add back the modified files to staging
  echo "$FILES" | xargs git add
fi