#!/bin/sh
# Copyright © 2014-2015 Jonas Smedegaard <dr@jones.dk>
# Description: initialize vcsh local + remote git repository
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Depends: vcsh git

set -eu

skel_url=https://github.com/RichiH/vcsh_mr_template

PRG=$(basename "$0")

showhelp() {
	cat <<EOF
Usage:   $PRG REPO BASE_URL

Examples:
    $PRG project git+ssh://source.example.org/srv/git/project

EOF
}

exit1() {
	response="${1:+Error: }${1:-Internal error!}"
	echo >&2 "$response"
	exit 1
}

repo=${1:-mr}
base_url="$2"
url="$base_url/$repo"

if [ $# -ne 2 ]; then
	showhelp
	exit1 "wrong parameters"
fi

if ! vcsh list | grep -Fxq "$repo"; then
	if [ vcsh = "$repo" ]; then
		url="$base_url"
		vcsh clone $skel_url mr
		vcsh "$repo" remote set-url origin "$url"
	else
		vcsh init "$repo"
		vcsh "$repo" remote add origin "$url"
	fi
fi

host=$(echo "$url" | sed -e 's/:.*//')
path=$(echo "$url" | sed -e 's/.*://')
if ssh "$host" test -d "$path.git"; then
	echo "Skipping vcsh remote \"$repo\" already pushed"
else
	ssh "$host" mkdir -p "$(dirname "$path")"
	ssh "$host" git init --bare "$path.git"
	vcsh "$repo" push --set-upstream origin master
fi

printf 'Done (press return)'
read foo