#!/bin/bash

# File: home-git
#
# Description: This file allows scripted support for user support repositories in a Git instance.
# https://aninix.net/AniNIX/Wiki/src/branch/main/Articles/User_Support_Repositories.md
#
# Package: AniNIX/ShadowArch
# Copyright: WTFPL
#
# Author: DarkFeather <ircs://aninix.net:6697/DarkFeather>

function InitializeGitIgnore() {
    ### Seed the .gitignore

    cat > ~/.gitignore <<EOM
# Ignore normal files
*
!/.bash_profile
!/.bashrc
!/bin**
!/.git[a-z]*
!/.githooks**
!/.gpg-id
!/.gnupg**
/.gnupg/.#*
/.gnupg/*.lock
/.gnupg/random_seed
!/password-store**
/password-store/*.password
/password-store/*.lock
!/.profile
!/.rclone.conf
!/.src-maintenance.conf
!/.ssh**
!/.tmux.conf
!/.vimrc
!/.weechat
!/.weechat/**
!/.wpa_supplicant**
!/.config/
/.config/*
!/.config/systemd**
/.config/systemd/user/default.target.wants**
/.config/systemd/user/timers.target.wants**
/.config/systemd/user/multi-user.target.wants**
!/.config/xfce4/
!/.config/xfce4/xfconf/
!/.config/xfce4/xfconf/xfce-perchannel-xml**
!/ssh
/.weechat/weechat.log
/.weechat/logs
.weechat/script/plugins.xml.gz
EOM
}

function InitializeHome() {
    ### Initialize a clone
    # param target: the repo URL
    target="$1"
    if [ "$PWD" != "$HOME" ]; then
        read -p "You are not currently in your home directory -- are you sure you want to use this folder? [y/n]" answer
        if [ "$answer" != 'y' ]; then
            exit 0;
        fi
    fi
    git init .
    git config remote.origin.url "$target"
    InitializeGitIgnore
    git add -A
    git status
    echo
    echo 'If this status looks right, run `git commit && git push`.'
    exit 0
}

function CloneToHome() {
    ### Reset home from a clone
    # param target: the repo URL
    target="$1"
    git clone --bare "$target" .git
    git config --local --bool core.bare false
    git reset --hard
    exit 0
}

function Usage() {
    ### Usage
    # param retcode: return code
    retcode="$1"
    echo "Usage: $0 -h"
    echo "       $0 -c \$targeturl # Clone home from URL"
    echo "       $0 -i \$targeturl # Initialize home to send to URL"
    echo "       $0 -I # Reinitialize the .gitignore and show staged delta"
    exit "$retcode"
}

### Main
if [ "$(basename $0)" == "home-git" ]; then

    # Parse options
    while getopts 'c:hi:Iv' OPTION; do
        case "$OPTION" in
            c) CloneToHome "${OPTARG}" ;;
            h) echo "Control home via user support repositories."; Usage 0 ;;
            i) InitializeHome "${OPTARG}" ;;
            I) InitializeGitIgnore; git add -A; git status ;;
            v) set -x ;;
        esac
    done

    # Catchall
    Usage 1
fi