#!/bin/bash

exec 3> Next/SHA1s
echo "Name                    SHA1" >&3
echo "----                    ----" >&3

tail -n +5 < Next/Trees | while read tree type url; do
	repository=${url%#*}
	branch=${url#*#}

	if test "x$type" != "xgit"; then
		echo "Don't know how to handle type $type trees, skipping $tree ($repository)..."
		continue
	fi

	git remote set-url ${tree} ${repository}

	echo "Fetching tree $tree ($repository)..."

	if ! git fetch $tree; then
		echo "ERROR: failed to fetch tree $tree, aborting..."
		exit 1
	fi

	hash=$(git show-ref --hash -- remotes/$tree/$branch)
	printf "%-23s %s\n" $tree $hash >&3
done

exec 3>&-