1 files changed, 174 insertions, 0 deletions
diff --git a/t/t5400-send-pack.sh b/t/t5400-send-pack.sh
new file mode 100755
index 0000000000..2b6b6e3f71
--- /dev/null
+++ b/t/t5400-send-pack.sh
@@ -0,0 +1,174 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='See why rewinding head breaks send-pack
+
+'
+. ./test-lib.sh
+
+cnt=64
+test_expect_success setup '
+	test_tick &&
+	mkdir mozart mozart/is &&
+	echo "Commit #0" >mozart/is/pink &&
+	git update-index --add mozart/is/pink &&
+	tree=$(git write-tree) &&
+	commit=$(echo "Commit #0" | git commit-tree $tree) &&
+	zero=$commit &&
+	parent=$zero &&
+	i=0 &&
+	while test $i -le $cnt
+	do
+	    i=$(($i+1)) &&
+	    test_tick &&
+	    echo "Commit #$i" >mozart/is/pink &&
+	    git update-index --add mozart/is/pink &&
+	    tree=$(git write-tree) &&
+	    commit=$(echo "Commit #$i" | git commit-tree $tree -p $parent) &&
+	    git update-ref refs/tags/commit$i $commit &&
+	    parent=$commit || return 1
+	done &&
+	git update-ref HEAD "$commit" &&
+	git-clone ./. victim &&
+	cd victim &&
+	git log &&
+	cd .. &&
+	git update-ref HEAD "$zero" &&
+	parent=$zero &&
+	i=0 &&
+	while test $i -le $cnt
+	do
+	    i=$(($i+1)) &&
+	    test_tick &&
+	    echo "Rebase #$i" >mozart/is/pink &&
+	    git update-index --add mozart/is/pink &&
+	    tree=$(git write-tree) &&
+	    commit=$(echo "Rebase #$i" | git commit-tree $tree -p $parent) &&
+	    git update-ref refs/tags/rebase$i $commit &&
+	    parent=$commit || return 1
+	done &&
+	git update-ref HEAD "$commit" &&
+	echo Rebase &&
+	git log'
+
+test_expect_success 'pack the source repository' '
+	git repack -a -d &&
+	git prune
+'
+
+test_expect_success 'pack the destination repository' '
+	cd victim &&
+	git repack -a -d &&
+	git prune &&
+	cd ..
+'
+
+test_expect_success \
+        'pushing rewound head should not barf but require --force' '
+	# should not fail but refuse to update.
+	if git-send-pack ./victim/.git/ master
+	then
+		# now it should fail with Pasky patch
+		echo >&2 Gaah, it should have failed.
+		false
+	else
+		echo >&2 Thanks, it correctly failed.
+		true
+	fi &&
+	if cmp victim/.git/refs/heads/master .git/refs/heads/master
+	then
+		# should have been left as it was!
+		false
+	else
+		true
+	fi &&
+	# this should update
+	git-send-pack --force ./victim/.git/ master &&
+	cmp victim/.git/refs/heads/master .git/refs/heads/master
+'
+
+test_expect_success \
+        'push can be used to delete a ref' '
+	cd victim &&
+	git branch extra master &&
+	cd .. &&
+	test -f victim/.git/refs/heads/extra &&
+	git-send-pack ./victim/.git/ :extra master &&
+	! test -f victim/.git/refs/heads/extra
+'
+
+unset GIT_CONFIG GIT_CONFIG_LOCAL
+HOME=`pwd`/no-such-directory
+export HOME ;# this way we force the victim/.git/config to be used.
+
+test_expect_success \
+        'pushing with --force should be denied with denyNonFastforwards' '
+	cd victim &&
+	git config receive.denyNonFastforwards true &&
+	cd .. &&
+	git update-ref refs/heads/master master^ || return 1
+	git-send-pack --force ./victim/.git/ master && return 1
+	! git diff .git/refs/heads/master victim/.git/refs/heads/master
+'
+
+test_expect_success \
+	'pushing does not include non-head refs' '
+	mkdir parent && cd parent &&
+	git-init && touch file && git-add file && git-commit -m add &&
+	cd .. &&
+	git-clone parent child && cd child && git-push --all &&
+	cd ../parent &&
+	git-branch -a >branches && ! grep origin/master branches
+'
+
+rewound_push_setup() {
+	rm -rf parent child &&
+	mkdir parent && cd parent &&
+	git-init && echo one >file && git-add file && git-commit -m one &&
+	echo two >file && git-commit -a -m two &&
+	cd .. &&
+	git-clone parent child && cd child && git-reset --hard HEAD^
+}
+
+rewound_push_succeeded() {
+	cmp ../parent/.git/refs/heads/master .git/refs/heads/master
+}
+
+rewound_push_failed() {
+	if rewound_push_succeeded
+	then
+		false
+	else
+		true
+	fi
+}
+
+test_expect_success \
+	'pushing explicit refspecs respects forcing' '
+	rewound_push_setup &&
+	if git-send-pack ../parent/.git refs/heads/master:refs/heads/master
+	then
+		false
+	else
+		true
+	fi && rewound_push_failed &&
+	git-send-pack ../parent/.git +refs/heads/master:refs/heads/master &&
+	rewound_push_succeeded
+'
+
+test_expect_success \
+	'pushing wildcard refspecs respects forcing' '
+	rewound_push_setup &&
+	if git-send-pack ../parent/.git refs/heads/*:refs/heads/*
+	then
+		false
+	else
+		true
+	fi && rewound_push_failed &&
+	git-send-pack ../parent/.git +refs/heads/*:refs/heads/* &&
+	rewound_push_succeeded
+'
+
+test_done