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authorLibravatar Jonathan Tan <jonathantanmy@google.com>2019-08-20 13:53:20 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2019-08-20 15:04:26 -0700
commita63694f52355b412b65515961401cd2359fed544 (patch)
tree1d944a7cff1b50468c94cfe03232f85cd7a0a079 /t
parentGit 2.22.1 (diff)
downloadtgif-a63694f52355b412b65515961401cd2359fed544.tar.xz
diff: skip GITLINK when lazy fetching missing objs
In 7fbbcb21b1 ("diff: batch fetching of missing blobs", 2019-04-08), diff was taught to batch the fetching of missing objects when operating on a partial clone, but was not taught to refrain from fetching GITLINKs. Teach diff to check if an object is a GITLINK before including it in the set to be fetched. (As stated in the commit message of that commit, unpack-trees was also taught a similar thing prior, but unpack-trees correctly checks for GITLINK before including objects in the set to be fetched.) Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't')
-rwxr-xr-xt/t4067-diff-partial-clone.sh31
1 files changed, 31 insertions, 0 deletions
diff --git a/t/t4067-diff-partial-clone.sh b/t/t4067-diff-partial-clone.sh
index 90c8fb2901..4831ad35e6 100755
--- a/t/t4067-diff-partial-clone.sh
+++ b/t/t4067-diff-partial-clone.sh
@@ -75,6 +75,37 @@ test_expect_success 'diff skips same-OID blobs' '
! grep "want $(cat hash-b)" trace
'
+test_expect_success 'when fetching missing objects, diff skips GITLINKs' '
+ test_when_finished "rm -rf sub server client trace" &&
+
+ test_create_repo sub &&
+ test_commit -C sub first &&
+
+ test_create_repo server &&
+ echo a >server/a &&
+ git -C server add a &&
+ git -C server submodule add "file://$(pwd)/sub" &&
+ git -C server commit -m x &&
+
+ test_commit -C server/sub second &&
+ echo another-a >server/a &&
+ git -C server add a sub &&
+ git -C server commit -m x &&
+
+ test_config -C server uploadpack.allowfilter 1 &&
+ test_config -C server uploadpack.allowanysha1inwant 1 &&
+ git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
+
+ echo a | git hash-object --stdin >hash-old-a &&
+ echo another-a | git hash-object --stdin >hash-new-a &&
+
+ # Ensure that a and another-a are fetched, and check (by successful
+ # execution of the diff) that no invalid OIDs are sent.
+ GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
+ grep "want $(cat hash-old-a)" trace &&
+ grep "want $(cat hash-new-a)" trace
+'
+
test_expect_success 'diff with rename detection batches blobs' '
test_when_finished "rm -rf server client trace" &&