#!/bin/sh

if [ "$1" = "-h" ]; then
	cat <<EOF>&2
Usage: ${0##*/}

Sync home folder:

Options:

  -p: Push upstream.

EOF
	exit
fi

OPT_UPDATE=false
if [ "$1" = "-p" ]; then
	OPT_UPDATE=true
	shift
fi

PERSONAL_FOLDER="$HOME/personal"
[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
[ -z "$XDG_DATA_HOME" ] && XDG_DATA_HOME="$HOME/.local/share"

RED='\033[0;31m\033[1m'
GREEN='\033[0;32m\033[1m'
YELLOW='\033[0;33m\033[1m'
BOLD='\033[0m\033[1m'
NORMAL='\033[0m'

section() {
    echo -e "$GREEN==> $@$NORMAL"
}
message() {
    echo -e "$YELLOW:: $@$NORMAL"
}

section "Generate package lists"
pkglister

project_status() {
	local path=$1
	local title=$2
	local body=$3

	[ -z "$body" ] && return

	if $CHANGED; then
		section "$path"
		CHANGED=false
	fi
	message "$title"
	echo "$body"
}

for i in ~/dotfiles ~/.password-store ~/personal ~/projects/* ~/.local/share/emacs/site-lisp/* "$@"; do
	[ ! -d "$i/.git" ] && continue
	CHANGED=true
	upstream=$(git -C "$i" rev-parse --abbrev-ref --symbolic-full-name @{u} 2>&1)
	if [ $? -eq 0 ]; then
		unmerged=$(git -C "$i" log --oneline  "$upstream"..)
		project_status "$i" "Unmerged commits" "$unmerged"
	else
		project_status "$i" "Unmerged commits" "$upstream"
	fi
	project_status "$i" "Unstaged files" "$(git -C "$i" diff --name-only)"
	project_status "$i" "Staged files" "$(git -C "$i" diff --name-only --cached)"
	if $OPT_UPDATE && [ -n "$unmerged" ]; then
		message "Pushing"
		git -C "$i" push
	fi
done

## TODO: Generate music, etc. indexes?