farm-checkout.in

#! /bin/bash

# Check out source trees from a Linux git repository

set -e

prefix=@prefix@
datarootdir=@datarootdir@
confdir=@datadir@/@PACKAGE_NAME@
. ${confdir}/farm-lib.sh

set_trap

mkdir -p $farmsrc
mkdir -p $farmgit
error=
for tag in $tags; do
	dirname=$(echo $tag | sed 's,/,-,')
	srctree=$farmsrc/$dirname
	gittree=$farmgit/$dirname
	echo -n "Checking out $srctree "
	if test -d $srctree && test -d $gittree; then
		if myrev=$(git --git-dir=$gittree rev-parse HEAD) &&
		   tagrev=$(git --git-dir=$gittree rev-parse $tag^0) &&
		   test "$myrev" = "$tagrev"; then
			echo_cyan "Up to date"
		else
			echo_magenta "Out of date"
		fi
		continue
	fi
	if rm -rf $srctree $gittree &&
	   git clone --quiet --shared --mirror $linuxgit $gittree &&
	   git --git-dir=$gittree config core.bare false &&
	   git --git-dir=$gittree config core.worktree $srctree &&
	   mkdir $srctree &&
	   echo "gitdir: $gittree" >$srctree/.git &&
	   git --git-dir=$gittree checkout --quiet $tag --; then
		echo_green "OK"
	else
		error=1
		rm -rf $srctree
		echo_red "ERROR"
	fi
done

unset_trap
if test -z "$error"; then
		echo_green "All OK"
		exit 0
	else
		echo_red "Errors found"
		exit 1
fi