#!/usr/bin/env bash
#
# GitTorrent Tracker repository update-hook -- GTP/0.1
#
# This will be run when a reference in the repository changes.

# set -x

# Setup the state directory
mkdir -p gittorrent
touch gittorrent/refs

# Create the reference list
git ls-remote . > gittorrent/refs.list

# Embedd it in a signed tag pointing to the last reference object
cg tag -s -M gittorrent/refs.list gittorrent-refs $(cat gittorrent/refs)

# Remove the symbolic reference from the repository
mv refs/tags/gittorrent-refs gittorrent/refs

# Move the new reference object into place
refobj=$(cat gittorrent/refs)
mv "objects/${refobj:0:2}/${refobj:2}" ../refs