| #!/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 "fetch> done" trace >done_lines && |
| test_line_count = 1 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 "fetch> 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 $(cat hash-b)" trace |
| ' |
| |
| test_expect_success 'when fetching missing objects, diff skips GITLINKs' ' |
| test_when_finished "rm -rf sub server client trace" && |
| |
| test_create_repo sub && |
| test_commit -C sub first && |
| |
| test_create_repo server && |
| echo a >server/a && |
| git -C server add a && |
| git -C server submodule add "file://$(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 $(cat hash-new-a)" trace |
| ' |
| |
| test_expect_success 'diff with rename detection batches blobs' ' |
| test_when_finished "rm -rf server client trace" && |
| |
| test_create_repo server && |
| echo a >server/a && |
| printf "b\nb\nb\nb\nb\n" >server/b && |
| git -C server add a b && |
| git -C server commit -m x && |
| rm server/b && |
| printf "b\nb\nb\nb\nbX\n" >server/c && |
| git -C server add c && |
| git -C server commit -a -m x && |
| |
| test_config -C server uploadpack.allowfilter 1 && |
| test_config -C server uploadpack.allowanysha1inwant 1 && |
| git clone --bare --filter=blob:limit=0 "file://$(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="$(pwd)/trace" git -C client diff --raw -M HEAD^ HEAD >out && |
| grep ":100644 100644.*R[0-9][0-9][0-9].*b.*c" out && |
| grep "fetch> done" trace >done_lines && |
| test_line_count = 1 done_lines |
| ' |
| |
| test_expect_success 'diff does not fetch anything if inexact rename detection is not needed' ' |
| test_when_finished "rm -rf server client trace" && |
| |
| test_create_repo server && |
| echo a >server/a && |
| printf "b\nb\nb\nb\nb\n" >server/b && |
| git -C server add a b && |
| git -C server commit -m x && |
| mv server/b server/c && |
| git -C server add c && |
| git -C server commit -a -m x && |
| |
| test_config -C server uploadpack.allowfilter 1 && |
| test_config -C server uploadpack.allowanysha1inwant 1 && |
| git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client && |
| |
| # Ensure no fetches. |
| GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff --raw -M HEAD^ HEAD && |
| ! test_path_exists trace |
| ' |
| |
| test_expect_success 'diff --break-rewrites fetches only if necessary, and batches blobs if it does' ' |
| test_when_finished "rm -rf server client trace" && |
| |
| test_create_repo server && |
| echo a >server/a && |
| printf "b\nb\nb\nb\nb\n" >server/b && |
| git -C server add a b && |
| git -C server commit -m x && |
| printf "c\nc\nc\nc\nc\n" >server/b && |
| git -C server commit -a -m x && |
| |
| test_config -C server uploadpack.allowfilter 1 && |
| test_config -C server uploadpack.allowanysha1inwant 1 && |
| git clone --bare --filter=blob:limit=0 "file://$(pwd)/server" client && |
| |
| # Ensure no fetches. |
| GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff --raw -M HEAD^ HEAD && |
| ! test_path_exists trace && |
| |
| # But with --break-rewrites, ensure that there is exactly 1 negotiation |
| # by checking that there is only 1 "done" line sent. ("done" marks the |
| # end of negotiation.) |
| GIT_TRACE_PACKET="$(pwd)/trace" git -C client diff --break-rewrites --raw -M HEAD^ HEAD && |
| grep "fetch> done" trace >done_lines && |
| test_line_count = 1 done_lines |
| ' |
| |
| test_done |