#!/bin/sh

# Reset the working directory to `HEAD` and remove everything not tracked,
# except the files listed in $KEEP in ~/.local/bin/git-clean-ignored
#
# This is irreversible, so the changes are shown first and confirmed,
# unless "--force" is passed
#
# Usage: git clean-all [--force]

set -eu


# `git` runs scripts on the `$PATH` in the current directory,
# whereas it runs "!" aliases at the top level of the repository
cd "$(git rev-parse --show-toplevel)"


case "${1:-}" in
    --force) _forced=1 ;;
         "") _forced=0 ;;
          *) echo "Usage: git clean-all [--force]" >&2; exit 2 ;;
esac


if [ "$_forced" -ne 1 ]; then

    echo "Tracked files to be reset to HEAD:"
    git diff --stat HEAD || true
    echo ""

    echo "Untracked and ignored files to be removed:"
    # Keep the "-e" flags in sync with the other two copies:
    #  - the "-e" flags of `clean-untracked` in ~/.config/git/config
    #  - `$KEEP` in ~/.local/bin/git-clean-ignored
    git clean -x -d -n -e ".python-version" -e ".env"
    echo ""

    printf "This CANNOT be undone. Continue? [y/N] "
    read -r _answer || _answer=""

    case "$_answer" in
        [yY] | [yY][eE][sS]) ;;
        *) echo "Aborted" >&2; exit 1 ;;
    esac

fi


git reset --hard

git clean-ignored

git clean-untracked