#

exec 2>&1
set -x

root=`pwd`
troot=$root/tests
testname="${0##*/}"

tmp=$ADTTMP
if [ x"$tmp" = x ]; then
	mkdir -p tests/tmp
	tmp=tests/tmp/$testname
	rm -rf $tmp
	mkdir $tmp
fi
cd $tmp
tmp=`pwd`
export DGIT_TEST_DUMMY_DIR=$tmp
ln $troot/ssh ssh

mkdir $tmp/gnupg
cp $troot/gnupg/* $tmp/gnupg
chmod go-rw $tmp/gnupg/*
export GNUPGHOME=$tmp/gnupg

mkdir $tmp/incoming
cat <<END >$tmp/dput.cf
[test-dummy]
method			= local
incoming		= $tmp/incoming
run_dinstall		= 0
END

t-worktree () {
	rm -rf $p
	tar xf $troot/worktrees/${p}_$1.tar
}

t-git-none () {
	mkdir -p $tmp/git
	(set -e; cd $tmp/git; tar xf $troot/git-template.tar)
}

t-has-ancestor () {
	local ancestor=`git rev-parse $1`
	local now=`git rev-parse HEAD`
	local mbase=`git merge-base $ancestor $now`
	if [ x$mbase != x$ancestor ]; then
		echo "not ff $ancestor..$now, $mbase != $ancestor"
		exit 1
	fi
}	

t-archive-none () {
	p=$1
	mkdir -p $tmp/aq $tmp/mirror
	echo sid >$tmp/aq/suite.unstable
}

t-archive () {
	t-archive-none $1
	v=$2
	local dscf=${p}_$2.dsc
	rm -f $tmp/mirror/${p}_*
	ln $troot/pkg-srcs/${p}_${2%-*}* $tmp/mirror/
	echo "$2 $dscf" >>$tmp/aq/package.sid.${p}
	rm -rf $tmp/extract
	mkdir $tmp/extract
	(set -e; cd $tmp/extract; dpkg-source -x ../mirror/$dscf)
}

t-dgit () {
	: '{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{'
	${DGIT_TEST-dgit} --dget:-u --dput:--config=$tmp/dput.cf \
		-dtest-dummy -D -k39B13D8A "$@"
	: '}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}'
}

t-diff-nogit () {
	diff --exclude=.git -ruN $*
}

t-cloned-fetched-good () {
	t-diff-nogit ../extract/$p-${v%-*} .
	t-clean-on-branch dgit/sid
	t-refs-same \
		refs/heads/dgit/sid \
		refs/remotes/dgit/dgit/sid
	t-refs-notexist dgit/unstable remotes/dgit/dgit/unstable
}

t-output () {
	printf "%s\n" "$1" >$tmp/t.want
	shift
	"$@" >$tmp/t.got
	diff $tmp/t.want $tmp/t.got
}

t-clean-on-branch () {
	t-output "## $1" git status -b --porcelain
}

t-git-get-ref () {
	local ref=$1
	git-show-ref -d $1 | perl -ne '
		$x = $1 if m#^(\w+) \Q'$1'\E(?:\^\{\})?$#;
		END { print "$x\n" if length $x; }
	'
}

t-refs-same () {
	local f=$1
	t-git-get-ref $f >$tmp/t.ref1
	t-refs-same-more "$@"
}

t-refs-same-more () {
	local g
	for g in $*; do
		t-git-get-ref $g >$tmp/t.refn
		diff $tmp/t.ref1 $tmp/t.refn
	done
}

t-refs-notexist () {
	for g in $*; do
		t-git-get-ref $g >$tmp/t.refx
		diff /dev/null $tmp/t.refx
	done
}

t-pushed-good () {
	t-ref-dsc-dgit
	t-refs-same-more \
		refs/heads/master \
		refs/tags/debian/$v \
		refs/remotes/dgit/dgit/sid
	t-refs-notexist \
		refs/heads/dgit/unstable \
		refs/remotes/dgit/dgit/unstable
	(set -e; cd $tmp/git/$p.git
	 t-refs-same-more \
		refs/dgit/sid \
		refs/tags/debian/$v
	 t-refs-notexist \
		refs/dgit/unstable
	)
}

t-ref-dsc-dgit () {
	perl -e '
		use Dpkg::Control::Hash;
		my $h = new Dpkg::Control::Hash allow_pgp=>1;
		$h->parse(\*STDIN,"dsc");
		my $ref = $h->{"Dgit"},"\n";
		die unless $ref =~ m/^\w+\b/;
		print $ref,"\n";
	' <$tmp/incoming/${p}_${v}.dsc >$tmp/t.ref1
}