X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=tests%2Flib;h=b033dde2f78040b5a55ea06dd781d8fb1db5a772;hp=9948c31407433ed5ea49c525e40ef490a0599656;hb=79fa5d666388c4a176c6c0dc50c9c6cff527840b;hpb=e0cf379ca6f4d10e6fa6a1af359859ea681dbb41

diff --git a/tests/lib b/tests/lib
index 9948c314..b033dde2 100644
--- a/tests/lib
+++ b/tests/lib
@@ -2,14 +2,35 @@
 
 exec 2>&1
 set -x
+set -o pipefail
 
 . tests/lib-core
+. tests/lib-restricts
+
+t-report-failure () {
+	set +x
+	rc=$1
+	cat <<END >&2
+TEST FAILED
+funcs: ${FUNCNAME[*]}
+lines: ${BASH_LINENO[*]}
+files: ${BASH_SOURCE[*]}
+END
+	exit 16
+}
+
+trap 'test $? = 0 || t-report-failure' EXIT
+
+t-filter-out-git-hyphen-dir
 
 t-set-intree
 
-: ${DGIT_TEST_DEBUG:=-D}
+: ${DGIT_TEST_DEBUG=-D}
 export DGIT_TEST_DEBUG
 
+export GIT_COMMITTER_DATE='1440253867 +0100'
+export GIT_AUTHOR_DATE='1440253867 +0100'
+
 root=`pwd`
 troot=$root/tests
 testname="${DGIT_TEST_TESTNAME-${0##*/}}"
@@ -17,9 +38,12 @@ testname="${DGIT_TEST_TESTNAME-${0##*/}}"
 tmp=$ADTTMP
 if [ x"$tmp" = x ]; then
 	mkdir -p tests/tmp
+	tmpbase=$troot/tmp
 	tmp=tests/tmp/$testname
 	rm -rf $tmp
 	mkdir $tmp
+elif [ "x$DGIT_TEST_TMPBASE" != x ]; then
+	tmpbase="$DGIT_TEST_TMPBASE"
 fi
 cd $tmp
 
@@ -27,11 +51,11 @@ tmp=`pwd`
 
 t-set-using-tmp
 
+env -0 >$tmp/.save-env
+
 ln -f $troot/ssh ssh
 
-mkdir -p $tmp/gnupg
-cp $troot/gnupg/* $tmp/gnupg
-chmod go-rw $tmp/gnupg/*
+export DEBCHANGE_VENDOR=dpkg
 
 mkdir -p $tmp/incoming
 cat <<END >$tmp/dput.cf
@@ -41,18 +65,97 @@ incoming		= $tmp/incoming
 run_dinstall		= 0
 END
 
+: ${t_archive_method:=aq}
+: ${tagpfx:=archive/test-dummy}
+: ${suitespecs:=sid:unstable}
+
+t-git-next-date () {
+	GIT_COMMITTER_DATE="$(( ${GIT_COMMITTER_DATE%% *} + 1 )) ${GIT_COMMITTER_DATE#* }"
+	GIT_AUTHOR_DATE="$GIT_COMMITTER_DATE"
+}
+
 t-expect-fail () {
 	local mpat="$1"; shift
+
+	set +o pipefail
 	LC_MESSAGES=C "$@" 2>&1 | tee $tmp/t.output
-	test ${PIPESTATUS[0]} != 0
-	egrep "$mpat" $tmp/t.output ||false
+	local ps="${PIPESTATUS[*]}"
+	set -o pipefail
+
+	case $ps in
+	"0 0")	fail "command unexpectedly succeeded (instead of: $mpat)" ;;
+	*" 0")	;;
+	*)	fail "tee failed"  ;;
+	esac
+
+	t-grep-mpat "$mpat" $tmp/t.output
+}
+
+t-grep-mpat () {
+	local mpat="$1"
+	local file="$2"
+
+	local grepper=fgrep
+	case "$mpat" in
+	[A-Z]:*)
+		case "$mpat" in
+		E:*)	grepper=egrep	;;
+		F:*)	grepper=fgrep	;;
+		*)	fail "bad mpat prefix in $mpat";;
+		esac
+		mpat=${mpat#[A-Z]:}
+		;;
+	esac
+
+	$grepper -e "$mpat" "$file" ||
+		fail "message not found"
+}
+
+t-expect-push-fail () {
+	local mpat="$1"; shift
+
+	local triedpush=`git rev-parse HEAD`
+
+	t-reporefs pre-push
+	t-expect-fail "$mpat"  "$@"
+	t-reporefs post-push
+	diff $tmp/show-refs.{pre,post}-push
+
+	t-git-objects-not-present '' $triedpush
+
+	eval "$t_expect_push_fail_hook"
+}
+
+t-git-objects-not-present () {
+	# t-git-objects-not-present GITDIR|'' OBJID [...]
+	# specifying '' means the repo for package $p
+	local gitdir="${1-$dgitrepo}"
+	local obj
+	if ! [ -e "$gitdir" ]; then return; fi
+	for obj in "$@"; do
+		GIT_DIR=$gitdir \
+		t-expect-fail 'unable to find' \
+		git cat-file -t $obj
+	done
+}
+
+t-reporefs () {
+	local whichoutput=$1; shift
+	local whichrepo=${1-$dgitrepo}
+	local outputfile="$tmp/show-refs.$whichoutput"
+	(set -e
+	 exec >"$outputfile"
+	 if test -d $whichrepo; then
+		cd $whichrepo
+		git show-ref |sort
+	fi)
 }
 
 t-untar () {
 	local tarfile=$1.tar
 	local edittree=$1.edit
 	if test -d "$edittree"; then
-		cp -al "$edittree"/* .
+		cp -a "$edittree"/* .
 	else
 		tar xf "$tarfile"
 	fi
@@ -63,8 +166,13 @@ t-worktree () {
 	t-untar $troot/worktrees/${p}_$1
 }
 
-t-git () {
+t-select-package () {
 	p=$1
+	dgitrepo=$tmp/git/$p.git
+}
+
+t-git () {
+	t-select-package $1
 	v=$2
 	mkdir -p $tmp/git
 	local gs=$troot/git-srcs/${p}_$v.git
@@ -76,23 +184,41 @@ t-git-none () {
 	(set -e; cd $tmp/git; tar xf $troot/git-template.tar)
 }
 
+t-git-merge-base () {
+	git merge-base $1 $2 || test $? = 1
+}
+
 t-has-ancestor () {
+	# t-has-ancestor ANCESTOR
+	# (CHILD is implicit, HEAD)
 	local now=`git rev-parse HEAD`
 	local ancestor=`git rev-parse $1^{}`
-	local mbase=`git merge-base $ancestor $now`
+	local mbase=`t-git-merge-base $ancestor $now`
 	if [ x$mbase != x$ancestor ]; then
 		fail "not ff $ancestor..$now, $mbase != $ancestor"
 	fi
 }
 
+t-has-parent-or-is () {
+	# t-has-parent-or-is CHILD PARENT
+	local child=$1
+	local parent=$2
+	local parents=$(git show --pretty=format:' %P %H ' "$child")
+	parent=$(git rev-parse "$parent~0")
+	case "$parents" in
+	*" $parent "*)	;;
+	*)	fail "child $child lacks parent $parent" ;;
+	esac
+}
+
 t-prep-newpackage () {
-	p=$1
+	t-select-package $1
 	v=$2
 	t-archive-none $p
 	t-git-none
 	t-worktree $v
 	cd $p
-	if ! git-show-ref --verify --quiet refs/heads/master; then
+	if ! git show-ref --verify --quiet refs/heads/master; then
 		git branch -m dgit/sid master
 		git remote rm dgit
 	fi
@@ -100,36 +226,52 @@ t-prep-newpackage () {
 }
 
 t-archive-none () {
-	p=$1
-	mkdir -p $tmp/aq $tmp/mirror/pool/main
+	t-select-package $1
+	t-archive-none-$t_archive_method
+}
+t-archive-none-aq () {
+	mkdir -p $tmp/aq/dsc_in_suite $tmp/mirror/pool/main
 
-	local suite=sid
+	: >$tmp/aq/suites
+	local jsondelim="["
 
-	>$tmp/aq/package.$suite.$p
-	t-archive-updated $suite $p
+	local suitespec
+	for suitespec in $suitespecs; do
+		local suite=${suitespec%%:*}
+		local sname=${suitespec#*:}
 
-	>$tmp/aq/package.new.$p
-	t-archive-updated new $p
+		>$tmp/aq/package.$suite.$p
+		t-aq-archive-updated $suite $p
 
-	ln -s sid $tmp/aq/dsc_in_suite/unstable
-	cat <<'END' >$tmp/aq/suites
-[
+		>$tmp/aq/package.new.$p
+		t-aq-archive-updated new $p
+
+		ln -sf $suite $tmp/aq/dsc_in_suite/$sname
+
+		cat <<END >>$tmp/aq/suites
+$jsondelim
    {
       "archive" : "ftp-master",
-      "codename" : "sid",
+      "codename" : "$suite",
       "components" : [
          "main",
          "contrib",
          "non-free"
       ],
-      "name" : "unstable",
-      "dakname" : "unstable"
-   }
+      "name" : "$sname",
+      "dakname" : "$sname"
+END
+
+		jsondelim="   },"
+
+	done
+	cat <<END >>$tmp/aq/suites
+    }
 ]
 END
 }
 
-t-archive-updated () {
+t-aq-archive-updated () {
 	local suite=$1
 	local p=$2
 	local suitedir=$tmp/aq/dsc_in_suite/$suite
@@ -146,23 +288,31 @@ t-archive-updated () {
 			"filename" => "$4",
 		};
 		END {
-			print to_json \@v or die $!;
+			my $json = JSON->new->canonical();
+			print $json->encode(\@v) or die $!;
 		}
 	'
 }
 
 t-archive-process-incoming () {
 	local suite=$1
-	mv $tmp/incoming/${p}_${v}[._]* $tmp/mirror/pool/main/
+	mv $tmp/incoming/${p}_* $tmp/mirror/pool/main/
 	t-archive-query "$suite"
 }
 
 t-archive-query () {
 	local suite=${1-sid}
 	local dscf=main/${p}_${v}.dsc
+	t-archive-query-$t_archive_method "$suite" "$p" "$v" "$dscf"
+}
+t-archive-query-aq () {
+	local suite=$1
+	local p=$2
+	local v=$3
+	local dscf=$4
 	local sha=`sha256sum <$tmp/mirror/pool/$dscf`
 	echo "${v} ${sha%  -} $dscf" >>$tmp/aq/package.$suite.${p}
-	t-archive-updated $suite $p
+	t-aq-archive-updated $suite $p
 }
 
 t-archive () {
@@ -171,18 +321,18 @@ t-archive () {
 	local dscf=${p}_$2.dsc
 	rm -f $tmp/mirror/pool/main/${p}_*
 	ln $troot/pkg-srcs/${p}_${2%-*}* $tmp/mirror/pool/main/
-	t-archive-query
+	t-archive-query $suite
 	rm -rf $tmp/extract
 	mkdir $tmp/extract
 	(set -e; cd $tmp/extract; dpkg-source -x ../mirror/pool/main/$dscf)
 }
 
 t-git-dir-time-passes () {
-	touch -d 'last year' $tmp/git/$p.git
+	touch -d 'last year' $dgitrepo
 }
 
 t-git-dir-check () {
-	local gitdir=$tmp/git/$p.git
+	local gitdir=$dgitrepo
 	case "$1" in
 	enoent)
 		if test -e "$gitdir"; then fail "$gitdir exists"; fi
@@ -205,11 +355,12 @@ t-rm-dput-dropping () {
 
 t-dgit () {
 	local dgit=${DGIT_TEST-dgit}
+	pwd
 	: '
 {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{'
 	$dgit --dgit=$dgit --dget:-u --dput:--config=$tmp/dput.cf \
 		-dtest-dummy $DGIT_TEST_OPTS $DGIT_TEST_DEBUG \
-		-k39B13D8A "$@"
+		-k39B13D8A $t_dgit_xopts "$@"
 	: '}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
 '
 }
@@ -218,6 +369,15 @@ t-diff-nogit () {
 	diff --exclude=.git --exclude=.pc -ruN $*
 }
 
+t-files-notexist () {
+	local f
+	for f in "$@"; do
+		if [ -e $f ]; then
+			fail "$f exists!"
+		fi
+	done
+}
+
 t-cloned-fetched-good () {
 	t-diff-nogit ../extract/$p-${v%-*} .
 	t-clean-on-branch dgit/sid
@@ -229,7 +389,7 @@ t-cloned-fetched-good () {
 }
 
 t-output () {
-	printf "%s\n" "$1" >$tmp/t.want
+	printf "%s${1:+\n}" "$1" >$tmp/t.want
 	shift
 	"$@" >$tmp/t.got
 	diff $tmp/t.want $tmp/t.got
@@ -239,14 +399,93 @@ t-clean-on-branch () {
 	t-output "## $1" git status -b --porcelain
 }
 
+t-setup-done () {
+	local savevars=$1
+	local savedirs=$2
+	local importeval=$3
+
+	local import=IMPORT.${0##*/}
+	exec 4>$tmp/$import.new
+
+	local vn
+	for vn in $savevars; do
+		perl >&4 -I. -MDebian::Dgit -e '
+			printf "%s=%s\n", $ARGV[0], shellquote $ARGV[1]
+		' $vn "$(eval "printf '%s\n' \"\$$vn\"")"
+	done
+
+	(set -e; cd $tmp; tar cf $import.tar $savedirs)
+
+	printf >&4 "\n%s\n" "$importeval"
+
+	mv -f $tmp/$import.new $tmp/$import
+}
+
+t-setup-import () {
+	local setupname=$1
+
+	local setupsrc
+	local lock
+	if [ "x$tmpbase" = x ]; then
+		# ADTTMP was set on entry to tests/lib, so we
+		# are not sharing tmp area between tests
+		setupsrc="$tmp"
+		lock="$tmp/.dummy.lock"
+	else
+		setupsrc="$tmpbase/$setupname"
+		lock="$setupsrc.lock"
+	fi
+
+	local simport="$setupsrc/IMPORT.$setupname"
+
+	if ! [ -e "$simport" ]; then
+		with-lock-ex -w "$lock" \
+		xargs -0 -a $tmp/.save-env \
+		bash -xec '
+			cd "$1"; shift
+			setupname="$1"; shift
+			simport="$1"; shift
+			if [ -e "$simport" ]; then exit 0; fi
+			env - "$@" \
+			"tests/setup/$setupname"
+		' x "$root" "$setupname" "$simport"
+	fi
+
+	if [ "x$setupsrc" != "x$tmp" ]; then
+		(set -e; cd $tmp; tar xf "$simport.tar")
+	fi
+
+	. "$simport"
+}
+
+t-git-get-ref-exact () {
+	local ref=$1
+	# does not dereference, unlike t-git-get-ref
+	case "$ref" in
+	refs/*) ;;
+	*) fail "t-git-get-ref-exact bad $ref" ;;
+	esac
+	git for-each-ref --format='%(objectname)' "[r]efs/${ref#refs/}"
+}
+
 t-git-get-ref () {
 	local ref=$1
-	git show-ref -d $1 | perl -ne '
+	case "$ref" in
+	refs/*)	;;
+	*) fail "t-git-get-ref bad $ref" ;;
+	esac
+	(git show-ref -d $1 || test $? = 1) | perl -ne '
 		$x = $1 if m#^(\w+) \Q'$1'\E(?:\^\{\})?$#;
 		END { print "$x\n" if length $x; }
 	'
 }
 
+t-ref-same-exact () {
+	local name="$1"
+	local val=`t-git-get-ref-exact $name`
+	t-ref-same-val "$name" $val
+}
+
 t-ref-same () {
 	local name="$1"
 	local val=`t-git-get-ref $name`
@@ -261,16 +500,19 @@ t-ref-head () {
 t-ref-same-val () {
 	local name="$1"
 	local val=$2
-	case "$t_ref_val" in
-	'')		;;
+	case "${t_ref_val-unset}" in
+	unset)		;;
 	"$val")		;;
-	*)		fail "ref varies: $name: $val != $t_ref_val" ;;
+	*)		fail "ref varies: ($name)\
+ ${val:-nothing} != ${t_ref_val:-nothing} (${t_ref_names[*]})" ;;
 	esac
 	t_ref_val="$val"
+	t_ref_names+=("$name")
 }
 
 t-refs-same-start () {
-	t_ref_val=''
+	unset t_ref_val
+	t_ref_names=()
 }
 
 t-refs-same () {
@@ -283,7 +525,7 @@ t-refs-same () {
 t-refs-notexist () {
 	local val
 	for g in $*; do
-		val=`t-git-get-ref $g >$tmp/t.refx`
+		val=`t-git-get-ref $g`
 		if [ "x$val" != x ]; then
 			fail "ref $g unexpectedly exists ($val)"
 		fi
@@ -291,29 +533,188 @@ t-refs-notexist () {
 }
 
 t-v-tag () {
-	echo refs/tags/debian/${v//\~/_}
+	echo refs/tags/$tagpfx/${v//\~/_}
+}
+
+t-format-ref () {
+	git log -n1 --pretty=format:"$1" "$2"
+}
+
+t-sametree-parent () {
+	local ref=$1
+	local parent
+	local ctree=$(t-format-ref '%T' "$ref")
+	while :; do
+		local psame=''
+		for parent in $(t-format-ref '%P' "$ref"); do
+			local ptree=$(t-format-ref '%T' "$parent")
+			if [ "x$ptree" = "x$ctree" ]; then
+				psame+=" $parent"
+			fi
+		done
+		case "$psame" in ""|" * *") break ;; esac
+		ref="${psame# }"
+	done
+	echo "$ref"
+}
+
+t-check-pushed-master () {
+	local master=`t-git-get-ref refs/heads/master`
+	if [ x$master = x$t_ref_val ]; then return; fi
+	if [ x$master = x ]; then fail "failed to push master"; fi
+	# didn't update master, it must be not FF
+	local mbase=`t-git-merge-base $master $t_ref_val`
+	if [ x$mbase = x$master ]; then fail "failed to ff master"; fi
 }
 
 t-pushed-good () {
 	local branch=$1
+	local suite=${2:-sid}
+	t-refs-same \
+		refs/heads/$branch
+	t-pushed-good-core
+}
+	
+t-pushed-good-core () {
 	t-ref-dsc-dgit
 	t-refs-same \
-		refs/heads/$branch \
 		`t-v-tag` \
-		refs/remotes/dgit/dgit/sid
+		refs/remotes/dgit/dgit/$suite
 	t-refs-notexist \
 		refs/heads/dgit/unstable \
 		refs/remotes/dgit/dgit/unstable
-	(set -e; cd $tmp/git/$p.git
+	(set -e; cd $dgitrepo
 	 t-refs-same \
-		refs/dgit/sid \
+		refs/dgit/$suite \
 		`t-v-tag`
+	 ${t_check_pushed_master:- : NOT-DRS-NO-CHECK-PUSHED-MASTER}
 	 t-refs-notexist \
 		refs/dgit/unstable
 	)
 	git verify-tag `t-v-tag`
 }
 
+t-splitbrain-pushed-good--unpack () {
+	cd $tmp
+	rm -rf t-unpack
+	mkdir t-unpack
+	cd t-unpack
+	ln -s $tmp/mirror/pool/main/*.orig*.tar* .
+	ln -s $tmp/incoming/*.orig*.tar* . ||:
+	ln -s $incoming_dsc .
+	ln -s ${incoming_dsc/.dsc/.debian.tar}* .
+	dpkg-source "$@" -x *.dsc
+	cd */.
+	git init
+	git fetch ../../$p "refs/tags/*:refs/tags/*"
+}
+
+t-splitbrain-pushed-good--checkprep () {
+	git add -Af .
+	git rm --cached -r --ignore-unmatch .pc
+}
+
+t-splitbrain-pushed-good--checkdiff () {
+	local tag=$1
+	t-splitbrain-pushed-good--checkprep
+	t-output "" git diff --stat --cached $tag
+}
+
+t-splitbrain-pushed-good-start () {
+	dep14tag=refs/tags/test-dummy/${v//\~/_}
+	dgittag=$(t-v-tag)
+	t-output "" git status --porcelain
+	t-ref-head
+	t-refs-same $dep14tag
+	(set -e; cd $dgitrepo; t-refs-same $dep14tag)
+	git merge-base --is-ancestor $dep14tag $dgittag
+
+	t-refs-same-start
+	t-ref-same refs/heads/split.p
+	case "$(t-git-get-ref refs/heads/split.b)" in
+	"$t_ref_val") ;;
+	"$(git rev-parse refs/heads/split.p^0)") ;;
+	"$(git rev-parse refs/heads/split.p^1)") ;;
+	*) fail 'bad b/p' ;;
+	esac
+	t-pushed-good-core
+
+	t-incoming-dsc
+
+	t-splitbrain-pushed-good--unpack
+	t-splitbrain-pushed-good--checkdiff $dgittag
+}
+t-splitbrain-pushed-good-end-made-dep14 () {
+	t-splitbrain-pushed-good--checkdiff $dep14tag
+	cd $tmp/$p
+}
+
+t-splitbrain-rm-gitignore-patch () {
+	perl -i -pe '
+		next unless $_ eq "auto-gitignore\n";
+		die if $counter++;
+		chomp;
+		rename "debian/patches/$_", "../t-auto-gitignore" or die $!;
+		$_ = "";
+	' debian/patches/series
+}
+
+t-gbp-pushed-good () {
+	local suite=${1:-sid}
+	t-splitbrain-pushed-good-start
+
+	# Right, now we want to check that the maintainer tree and
+	# the dgit tree differ in exactly the ways we expect.  We
+	# achieve this by trying to reconstruct the maintainer tree
+	# from the dgit tree.
+
+	# So, unpack it withut the patches applied
+	t-splitbrain-pushed-good--unpack --skip-patches
+
+	# dgit might have added a .gitignore patch, which we need to
+	# drop and remove
+	t-splitbrain-rm-gitignore-patch
+
+	# Now the result should differ only in non-debian/ .gitignores
+	t-splitbrain-pushed-good--checkprep
+	git diff --cached --name-only $dep14tag >../changed
+	perl -ne '
+		next if !m#^debian/# && m#(^|/)\.gitignore#;
+		die "$_ mismatch";
+	' <../changed
+
+	# If we actually apply the gitignore patch by hand, it
+	# should be perfect:
+	if [ -f ../t-auto-gitignore ]; then
+		patch --backup-if-mismatch -p1 -u <../t-auto-gitignore
+	fi
+
+	t-splitbrain-pushed-good-end-made-dep14
+}
+
+t-unapplied-pushed-good () {
+	t-splitbrain-pushed-good-start
+	t-splitbrain-pushed-good--unpack --skip-patches
+	t-splitbrain-pushed-good-end-made-dep14
+}
+
+t-dpm-pushed-good () {
+	t-splitbrain-pushed-good-start
+	t-splitbrain-pushed-good--unpack
+	t-splitbrain-rm-gitignore-patch
+	t-splitbrain-pushed-good-end-made-dep14
+}
+
+t-commit-build-push-expect-log () {
+	local msg=$1
+	local mpat=$2
+	t-commit "$msg"
+	t-dgit build
+	LC_MESSAGES=C \
+	t-dgit push --new 2>&1 |tee $tmp/push.log
+	t-grep-mpat "$mpat" $tmp/push.log
+}
+
 t-822-field () {
 	local file=$1
 	local field=$2
@@ -331,11 +732,13 @@ t-stunt-envvar () {
 	local var=$1
 	local tstunt=$2
 	eval '
-		case "'$var'" in
+		case "$'$var'" in
 		"$tstunt:"*)	;;
 		*":$tstunt:"*)	;;
+		"")		'$var'="$tstunt" ;;
 		*)		'$var'="$tstunt:$'$var'" ;;
 		esac
+		export '$var'
 	'
 }
 
@@ -356,27 +759,96 @@ t-tstunt-parsechangelog () {
 	t-tstunt dpkg-parsechangelog Dpkg/Changelog/Parse.pm
 }
 
-t-ref-dsc-dgit () {
+t-incoming-dsc () {
 	local dsc=${p}_${v}.dsc
-	local val=`t-822-field $tmp/incoming/$dsc Dgit`
-	perl -e '$_=shift @ARGV; die "$dsc Dgit $_ ?" unless m/^\w+\b/;' "$val"
-	t-ref-same-val $dsc "$val"
+	incoming_dsc=$tmp/incoming/$dsc
+}
+
+t-ref-dsc-dgit () {
+	t-incoming-dsc
+	local val=`t-822-field $incoming_dsc Dgit`
+	perl -e '$_=shift @ARGV; die "Dgit $_ ?" unless m/^\w+\b/;' "$val"
+	t-ref-same-val $incoming_dsc "$val"
 }
 
 t-apply-diff () {
 	local v1=$1
 	local v2=$2
-	(cd $troot/pkg-srcs; debdiff ${p}_${v1}.dsc ${p}_${v2}.dsc) \
-		| patch -p1 -u
+	(cd $troot/pkg-srcs;
+	 debdiff ${p}_${v1}.dsc ${p}_${v2}.dsc || test $? = 1) \
+	 | patch -p1 -u
+}
+
+t-gbp-unapplied-pq2qc () {
+	# does `gbp pq export'
+	# commits the resulting debian/patches on  qc/BRANCH
+	# leaves us on qc/BRANCH (eg "qc/quilt-tip"))
+	# qc/BRANCH is not fast-forwarding
+
+	gbp pq export
+
+	branch=`git symbolic-ref HEAD`
+	branch=${branch#refs/heads/}
+
+	case "$branch" in
+	*/*) fail "unexpected branch $branch" ;;
+	esac
+
+	git branch -f qc/$branch
+	git checkout qc/$branch
+	git add debian/patches
+	git commit -m 'Commit patch queue'
+}
+
+t-git-pseudo-merge () {
+	# like   git merge -s ours
+	if [ ! "$git_pseuomerge_opts" ]; then
+		if git merge --help \
+		 | grep -q allow-unrelated-histories; then
+			git_pseuomerge_opts='--allow-unrelated-histories'
+		fi
+		git_pseuomerge_opts+=' -s ours'
+	fi
+	git merge $git_pseuomerge_opts "$@"
+}
+
+t-gbp-example-prep-no-ff () {
+	t-tstunt-parsechangelog
+	t-archive example 1.0-1
+	t-git-none
+	t-worktree 1.0
+
+	cd example
+
+	t-dgit fetch
+
+	git checkout -b patch-queue/quilt-tip-2 patch-queue/quilt-tip
+	gbp pq rebase
+
+	echo '/* some comment */' >>src.c
+	git add src.c
+	git commit -m 'Add a comment to an upstream file'
+
+	t-gbp-unapplied-pq2qc
+
+	t-commit 'some updates' 1.0-2
+}
+
+t-gbp-example-prep () {
+	t-gbp-example-prep-no-ff
+
+	t-git-pseudo-merge \
+		-m 'Pseudo-merge to make descendant of archive' \
+		remotes/dgit/dgit/sid
 }
 
 t-commit () {
 	local msg=$1
-	v=1.$revision
-	dch -v$v --distribution unstable "$1"
+	v=${2:-${majorv:-1}.$revision}
+	dch --force-distribution -v$v --distribution ${3:-unstable} "$1"
 	git add debian/changelog
 	debcommit
-	revision=$(( $revision + 1 ))
+	revision=$(( ${revision-0} + 1 ))
 }
 
 t-git-config () {
@@ -388,20 +860,37 @@ t-drs () {
  t-git-config dgit-distro.test-dummy.git-url "ext::$troot/drs-git-ext %S "
  t-git-config dgit-distro.test-dummy.git-check true
  t-git-config dgit-distro.test-dummy.git-create true
-	cp $root/tests/gnupg/{dd.gpg,dm.gpg,dm.txt} $tmp/.
-	cp $root/tests/suites $tmp/.
+ t-git-config dgit-distro.test-dummy.dgit-tag-format new,old,maint
+	cp $troot/gnupg/{dd.gpg,dm.gpg,dm.txt} $tmp/.
+	cp $troot/suites $tmp/.
+	cp $troot/suites $tmp/suites-master
+
+	export t_check_pushed_master=t-check-pushed-master
 
 	drs_dispatch=$tmp/distro=test-dummy
 	mkdir $drs_dispatch
-	ln -sf $root $drs_dispatch/dgit-live
+
+	if [ "x$DGIT_TEST_INTREE" != x ]; then
+		ln -sf "$DGIT_TEST_INTREE" $drs_dispatch/dgit-live
+	fi
+
 	ln -sf $tmp/git $drs_dispatch/repos
-	ln -sf $tmp/suites $tmp/dm.txt $drs_dispatch/
+	ln -sf $tmp/suites $tmp/suites-master $tmp/dm.txt $drs_dispatch/
 	mkdir -p $drs_dispatch/keyrings
 	ln -sf $tmp/dd.gpg $drs_dispatch/keyrings/debian-keyring.gpg
 	ln -sf $tmp/dm.gpg $drs_dispatch/keyrings/debian-maintainers.gpg
 	ln -sf /bin/true $drs_dispatch/policy-hook
 }
 
+t-newtag () {
+ export tagpfx=archive/test-dummy
+ t-git-config dgit-distro.test-dummy.dgit-tag-format new,maint
+}
+t-oldtag () {
+ export tagpfx=test-dummy
+ t-git-config dgit-distro.test-dummy.dgit-tag-format old
+}
+
 t-dsd () {
 	t-drs
  t-git-config dgit-distro.test-dummy.ssh "$troot/dsd-ssh"
@@ -423,10 +912,24 @@ t-policy-admin () {
 	${DGIT_INFRA_PFX}dgit-repos-admin-debian --repos $tmp/git "$@"
 }
 
+t-policy-nonexist () {
+	ln -sf no-such-file-or-directory $drs_dispatch/policy-hook
+}
+
+t-make-hook-link () {
+	local hook=$1 # in infra/
+	local linkpath=$2
+	hook=${DGIT_INFRA_PFX}$hook
+	case $hook in
+	*/*) 	;;
+	*)	hook=`type -P $hook` ;;
+	esac
+	ln -sf "$hook" $linkpath
+}
+
 t-policy () {
 	local policyhook=$1
-	ln -sf ${DGIT_INFRA_PFX}$policyhook \
-		$drs_dispatch/policy-hook
+	t-make-hook-link $policyhook $drs_dispatch/policy-hook
 }
 
 t-debpolicy () {
@@ -442,11 +945,21 @@ t-policy-periodic () {
 		test-dummy $drs_dispatch '' --cron
 }
 
+t-restrict () {
+	local restriction=$1
+	(cd $root; t-restriction-$restriction >&2)
+}
+
+t-dependencies () {
+	: "Hopefully installed: $*"
+}
+
 t-chain-test () {
 	local ct=$1
 	local d=${0%/*}
 	cd $root
 	export DGIT_TEST_TESTNAME="$testname"
+	export DGIT_TEST_TMPBASE="$tmpbase"
 	export ADTTMP=$tmp
 	exec "$d/$ct"
 }	
@@ -456,3 +969,8 @@ t-alt-test () {
 	t-${t%%-*}
 	t-chain-test "${t#*-}"
 }
+
+case "$0" in
+*/gnupg) ;;
+*)	t-setup-import gnupg	;;
+esac