On Fri, Mar 29, 2019 at 02:39:28PM -0700, Jonathan Tan wrote:
> diff --git a/t/t4067-diff-partial-clone.sh b/t/t4067-diff-partial-clone.sh
> new file mode 100755
> index 0000000000..349851be7d
> --- /dev/null
> +++ b/t/t4067-diff-partial-clone.sh
> @@ -0,0 +1,103 @@
> +#!/bin/sh
> +
> +test_description='behavior of diff when reading objects in a partial clone'
> +
> +. ./test-lib.sh
> +
> +test_expect_success 'git show batches blobs' '
> + test_when_finished "rm -rf server client trace" &&
> +
> + test_create_repo server &&
> + echo a >server/a &&
> + echo b >server/b &&
> + git -C server add a b &&
> + 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://$(pwd)/server" client &&
> +
> + # Ensure that there is exactly 1 negotiation by checking that there is
> + # only 1 "done" line sent. ("done" marks the end of negotiation.)
> + GIT_TRACE_PACKET="$(pwd)/trace" git -C client show HEAD &&
> + grep "git> done" trace >done_lines &&
> + test_line_count = 1 done_lines
These patches and 'cc/multi-promisor' don't seem to work well
together, and all tests checking 'test_line_count = 1 done_lines' in
this test script fail in current 'pu', because there are two
"git> done" lines.
> +'
> +
> +test_expect_success 'diff batches blobs' '
> + test_when_finished "rm -rf server client trace" &&
> +
> + test_create_repo server &&
> + echo a >server/a &&
> + echo b >server/b &&
> + git -C server add a b &&
> + git -C server commit -m x &&
> + echo c >server/c &&
> + echo d >server/d &&
> + git -C server add c d &&
> + 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://$(pwd)/server" client &&
> +
> + # Ensure that there is exactly 1 negotiation by checking that there is
> + # only 1 "done" line sent. ("done" marks the end of negotiation.)
> + GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
> + grep "git> done" trace >done_lines &&
> + test_line_count = 1 done_lines
> +'
> +
> +test_expect_success 'diff skips same-OID blobs' '
> + test_when_finished "rm -rf server client trace" &&
> +
> + test_create_repo server &&
> + echo a >server/a &&
> + echo b >server/b &&
> + git -C server add a b &&
> + git -C server commit -m x &&
> + echo another-a >server/a &&
> + git -C server add a &&
> + 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://$(pwd)/server" client &&
> +
> + echo a | git hash-object --stdin >hash-old-a &&
> + echo another-a | git hash-object --stdin >hash-new-a &&
> + echo b | git hash-object --stdin >hash-b &&
> +
> + # Ensure that only a and another-a are fetched.
> + GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff HEAD^ HEAD &&
> + grep "want $(cat hash-old-a)" trace &&
> + grep "want $(cat hash-new-a)" trace &&
> + ! grep "want $(cat hash-b)" trace
> +'
> +
> +test_expect_success 'diff with rename detection batches blobs' '
> + test_when_finished "rm -rf server client trace" &&
> +
> + test_create_repo server &&
> + echo a >server/a &&
> + printf "b\nb\nb\nb\nb\n" >server/b &&
> + git -C server add a b &&
> + git -C server commit -m x &&
> + rm server/b &&
> + printf "b\nb\nb\nb\nbX\n" >server/c &&
> + git -C server add c &&
> + git -C server commit -a -m x &&
> +
> + test_config -C server uploadpack.allowfilter 1 &&
> + test_config -C server uploadpack.allowanysha1inwant 1 &&
> + git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client &&
> +
> + # Ensure that there is exactly 1 negotiation by checking that there is
> + # only 1 "done" line sent. ("done" marks the end of negotiation.)
> + GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff -M HEAD^ HEAD >out &&
> + grep "similarity index" out &&
> + grep "git> done" trace >done_lines &&
> + test_line_count = 1 done_lines
> +'
> +
> +test_done
> --
> 2.21.0.197.gd478713db0
>
