upload-pack: teach deepen-relative in protocol v2

diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
index fd164d414dad9cfe02fa435fd88dfe6ba6cfcc7b..a738c0c4ce828718f92d0c4955d9ac2eadfb752e 100755 (executable)
--- a/t/t5702-protocol-v2.sh
+++ b/t/t5702-protocol-v2.sh
@@ -489,6 +489,35 @@ test_expect_success 'ensure that multiple fetches in same process from a shallow
        grep "fetch< version 2" trace
 '
 
+test_expect_success 'deepen-relative' '
+       rm -rf server client trace &&
+
+       test_create_repo server &&
+       test_commit -C server one &&
+       test_commit -C server two &&
+       test_commit -C server three &&
+       git clone --depth 1 "file://$(pwd)/server" client &&
+       test_commit -C server four &&
+
+       # Sanity check that only "three" is downloaded
+       git -C client log --pretty=tformat:%s master >actual &&
+       echo three >expected &&
+       test_cmp expected actual &&
+
+       GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
+               fetch --deepen=1 origin &&
+       # Ensure that protocol v2 is used
+       grep "fetch< version 2" trace &&
+
+       git -C client log --pretty=tformat:%s origin/master >actual &&
+       cat >expected <<-\EOF &&
+       four
+       three
+       two
+       EOF
+       test_cmp expected actual
+'
+
 # Test protocol v2 with 'http://' transport
 #
 . "$TEST_DIRECTORY"/lib-httpd.sh