#!/bin/bash
# git-push-public
#
# Push changes from local git repositories marked as public, via the
# git-daemon-export-ok flag, to the public server.

LOCALBASE=/var/lib/git
PUBLICBASE=/var/cache/git
PUBLICSERVER=oss.titaniummirror.com

push_repo()
{
    local repo=$1

    if ! ssh $PUBLICSERVER test -d $PUBLICBASE/$repo ; then
	# Repo does not exist on public server, so create it
        echo "-- creating $repo"
	ssh $PUBLICSERVER git --git-dir=$PUBLICBASE/$repo init --bare
	ssh $PUBLICSERVER touch $PUBLICBASE/$repo/git-daemon-export-ok
	scp $repo/description $PUBLICSERVER:$PUBLICBASE/$repo/
	ssh $PUBLICSERVER "echo \"git://$PUBLICSERVER/$repo\" \
		> $PUBLICBASE/$repo/cloneurl"
    fi
    echo "-- syncing $repo"
    git --git-dir=$repo push --mirror $PUBLICSERVER:$PUBLICBASE/$repo
    rsync -a $repo/description $PUBLICSERVER:$PUBLICBASE/$repo/description
}

## MAIN ##

if [ "$1" = "-s" -a -n "$2" ]; then
    PUBLICSERVER="$2"
    shift; shift
fi
repos="$*"

echo "-- server $PUBLICSERVER"
cd $LOCALBASE
if [ -n "$repos" ]; then
    for repo in $repos; do
	if [ -f "$repo/git-daemon-export-ok" ]; then
	    repo="${repo/\/git-daemon-export-ok/}"
	    repo="${repo/.\//}"
	    push_repo $repo
	elif [ ! -d "$repo" ]; then
	    echo "-- notfound $repo"
	else
	    echo "-- skipping private $repo"
	fi
    done
else
    for path in $(find . -name git-daemon-export-ok); do
	repo="${path/\/git-daemon-export-ok/}"
	repo="${repo/.\//}"
	push_repo $repo
    done
fi