android-tag

#!/bin/sh

topdir=$(pwd)

if [ "$#" -ne 1 ]; then
	echo "Usage: $0 <create|restore>"
	exit 1
fi

action="$1"

create_tag()
{
	# XXX: should verify "git status" to ensure to uncommitted diffs
	repo manifest -r | cat
}

restore_tag()
{
	while read line; do
		prj_entry=$(echo $line | grep "<project ")
		if [ -z "$prj_entry" ]; then
			continue
		fi
		dir=$(echo $prj_entry | egrep -o "path=([^ ]*)" | cut -d'"' -f2)
		tag=$(echo $prj_entry | egrep -o "revision=([^ ]*)" | cut -d'"' -f2)
		if [ -z "$dir" -o -z "$tag" ]; then
			echo "Malformed line $line"
			continue
		fi
		if [ ! -d "$topdir/$dir" ]; then
			echo "No such dir $dir"
			continue
		fi
		echo "$dir -> $tag"
		cd "$topdir/$dir"
		git checkout "$tag"
	done
}

case "$action" in
	create) create_tag ;;
	restore) restore_tag ;;
	*) usage ;;
esac