Daily Git commit cronjob

daily-git-commit.sh

#!/usr/bin/env bash
set -euo pipefail

function dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit, working tree clean" ]] && echo " (dirty)"
}

current_branch="$(git rev-parse --abbrev-ref HEAD)"
git add . # TODO: Save and then restore stage state
description="$(date +'%F %T') $current_branch$(dirty): $(git show -s --format='%h %s')"
git commit --allow-empty -m "$description"
git checkout -b daily || (
  git checkout daily
  (
    (git diff daily "$current_branch" | git apply) &&
    (git add . && git commit -m "$description") 
  ) || true
)
git checkout "$current_branch"
git reset --soft HEAD~1