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-rwxr-xr-xt/t5702-protocol-v2.sh501
1 files changed, 501 insertions, 0 deletions
diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
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+#!/bin/sh
+
+test_description='test git wire-protocol version 2'
+
+TEST_NO_CREATE_REPO=1
+
+. ./test-lib.sh
+
+# Test protocol v2 with 'git://' transport
+#
+. "$TEST_DIRECTORY"/lib-git-daemon.sh
+start_git_daemon --export-all --enable=receive-pack
+daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
+
+test_expect_success 'create repo to be served by git-daemon' '
+ git init "$daemon_parent" &&
+ test_commit -C "$daemon_parent" one
+'
+
+test_expect_success 'list refs with git:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote --symref "$GIT_DAEMON_URL/parent" >actual &&
+
+ # Client requested to use protocol v2
+ grep "git> .*\\\0\\\0version=2\\\0$" log &&
+ # Server responded using protocol v2
+ grep "git< version 2" log &&
+
+ git ls-remote --symref "$GIT_DAEMON_URL/parent" >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote "$GIT_DAEMON_URL/parent" master >actual &&
+
+ cat >expect <<-EOF &&
+ $(git -C "$daemon_parent" rev-parse refs/heads/master)$(printf "\t")refs/heads/master
+ EOF
+
+ test_cmp expect actual
+'
+
+test_expect_success 'clone with git:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ clone "$GIT_DAEMON_URL/parent" daemon_child &&
+
+ git -C daemon_child log -1 --format=%s >actual &&
+ git -C "$daemon_parent" log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Client requested to use protocol v2
+ grep "clone> .*\\\0\\\0version=2\\\0$" log &&
+ # Server responded using protocol v2
+ grep "clone< version 2" log
+'
+
+test_expect_success 'fetch with git:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ test_commit -C "$daemon_parent" two &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
+ fetch &&
+
+ git -C daemon_child log -1 --format=%s origin/master >actual &&
+ git -C "$daemon_parent" log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Client requested to use protocol v2
+ grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
+ # Server responded using protocol v2
+ grep "fetch< version 2" log
+'
+
+test_expect_success 'pull with git:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
+ pull &&
+
+ git -C daemon_child log -1 --format=%s >actual &&
+ git -C "$daemon_parent" log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Client requested to use protocol v2
+ grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
+ # Server responded using protocol v2
+ grep "fetch< version 2" log
+'
+
+test_expect_success 'push with git:// and a config of v2 does not request v2' '
+ test_when_finished "rm -f log" &&
+
+ # Till v2 for push is designed, make sure that if a client has
+ # protocol.version configured to use v2, that the client instead falls
+ # back and uses v0.
+
+ test_commit -C daemon_child three &&
+
+ # Push to another branch, as the target repository has the
+ # master branch checked out and we cannot push into it.
+ GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
+ push origin HEAD:client_branch &&
+
+ git -C daemon_child log -1 --format=%s >actual &&
+ git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
+ test_cmp expect actual &&
+
+ # Client requested to use protocol v2
+ ! grep "push> .*\\\0\\\0version=2\\\0$" log &&
+ # Server responded using protocol v2
+ ! grep "push< version 2" log
+'
+
+stop_git_daemon
+
+# Test protocol v2 with 'file://' transport
+#
+test_expect_success 'create repo to be served by file:// transport' '
+ git init file_parent &&
+ test_commit -C file_parent one
+'
+
+test_expect_success 'list refs with file:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote --symref "file://$(pwd)/file_parent" >actual &&
+
+ # Server responded using protocol v2
+ grep "git< version 2" log &&
+
+ git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote "file://$(pwd)/file_parent" master >actual &&
+
+ cat >expect <<-EOF &&
+ $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
+ EOF
+
+ test_cmp expect actual
+'
+
+test_expect_success 'server-options are sent when using ls-remote' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote -o hello -o world "file://$(pwd)/file_parent" master >actual &&
+
+ cat >expect <<-EOF &&
+ $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
+ EOF
+
+ test_cmp expect actual &&
+ grep "server-option=hello" log &&
+ grep "server-option=world" log
+'
+
+
+test_expect_success 'clone with file:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ clone "file://$(pwd)/file_parent" file_child &&
+
+ git -C file_child log -1 --format=%s >actual &&
+ git -C file_parent log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Server responded using protocol v2
+ grep "clone< version 2" log &&
+
+ # Client sent ref-prefixes to filter the ref-advertisement
+ grep "ref-prefix HEAD" log &&
+ grep "ref-prefix refs/heads/" log &&
+ grep "ref-prefix refs/tags/" log
+'
+
+test_expect_success 'fetch with file:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ test_commit -C file_parent two &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
+ fetch origin &&
+
+ git -C file_child log -1 --format=%s origin/master >actual &&
+ git -C file_parent log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Server responded using protocol v2
+ grep "fetch< version 2" log
+'
+
+test_expect_success 'ref advertisment is filtered during fetch using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ test_commit -C file_parent three &&
+ git -C file_parent branch unwanted-branch three &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
+ fetch origin master &&
+
+ git -C file_child log -1 --format=%s origin/master >actual &&
+ git -C file_parent log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ grep "refs/heads/master" log &&
+ ! grep "refs/heads/unwanted-branch" log
+'
+
+test_expect_success 'server-options are sent when fetching' '
+ test_when_finished "rm -f log" &&
+
+ test_commit -C file_parent four &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
+ fetch -o hello -o world origin master &&
+
+ git -C file_child log -1 --format=%s origin/master >actual &&
+ git -C file_parent log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ grep "server-option=hello" log &&
+ grep "server-option=world" log
+'
+
+test_expect_success 'upload-pack respects config using protocol v2' '
+ git init server &&
+ write_script server/.git/hook <<-\EOF &&
+ touch hookout
+ "$@"
+ EOF
+ test_commit -C server one &&
+
+ test_config_global uploadpack.packobjectshook ./hook &&
+ test_path_is_missing server/.git/hookout &&
+ git -c protocol.version=2 clone "file://$(pwd)/server" client &&
+ test_path_is_file server/.git/hookout
+'
+
+test_expect_success 'setup filter tests' '
+ rm -rf server client &&
+ git init server &&
+
+ # 1 commit to create a file, and 1 commit to modify it
+ test_commit -C server message1 a.txt &&
+ test_commit -C server message2 a.txt &&
+ git -C server config protocol.version 2 &&
+ git -C server config uploadpack.allowfilter 1 &&
+ git -C server config uploadpack.allowanysha1inwant 1 &&
+ git -C server config protocol.version 2
+'
+
+test_expect_success 'partial clone' '
+ GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
+ clone --filter=blob:none "file://$(pwd)/server" client &&
+ grep "version 2" trace &&
+
+ # Ensure that the old version of the file is missing
+ git -C client rev-list --quiet --objects --missing=print master \
+ >observed.oids &&
+ grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
+
+ # Ensure that client passes fsck
+ git -C client fsck
+'
+
+test_expect_success 'dynamically fetch missing object' '
+ rm "$(pwd)/trace" &&
+ GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
+ cat-file -p $(git -C server rev-parse message1:a.txt) &&
+ grep "version 2" trace
+'
+
+test_expect_success 'partial fetch' '
+ rm -rf client "$(pwd)/trace" &&
+ git init client &&
+ SERVER="file://$(pwd)/server" &&
+ test_config -C client extensions.partialClone "$SERVER" &&
+
+ GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
+ fetch --filter=blob:none "$SERVER" master:refs/heads/other &&
+ grep "version 2" trace &&
+
+ # Ensure that the old version of the file is missing
+ git -C client rev-list --quiet --objects --missing=print other \
+ >observed.oids &&
+ grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
+
+ # Ensure that client passes fsck
+ git -C client fsck
+'
+
+test_expect_success 'do not advertise filter if not configured to do so' '
+ SERVER="file://$(pwd)/server" &&
+
+ rm "$(pwd)/trace" &&
+ git -C server config uploadpack.allowfilter 1 &&
+ GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
+ ls-remote "$SERVER" &&
+ grep "fetch=.*filter" trace &&
+
+ rm "$(pwd)/trace" &&
+ git -C server config uploadpack.allowfilter 0 &&
+ GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
+ ls-remote "$SERVER" &&
+ grep "fetch=" trace >fetch_capabilities &&
+ ! grep filter fetch_capabilities
+'
+
+test_expect_success 'partial clone warns if filter is not advertised' '
+ rm -rf client &&
+ git -C server config uploadpack.allowfilter 0 &&
+ git -c protocol.version=2 \
+ clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
+ test_i18ngrep "filtering not recognized by server, ignoring" err
+'
+
+test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
+ git -C server config uploadpack.allowfilter 0 &&
+
+ # Custom request that tries to filter even though it is not advertised.
+ test-tool pkt-line pack >in <<-EOF &&
+ command=fetch
+ 0001
+ want $(git -C server rev-parse master)
+ filter blob:none
+ 0000
+ EOF
+
+ test_must_fail git -C server serve --stateless-rpc <in >/dev/null 2>err &&
+ grep "unexpected line: .filter blob:none." err &&
+
+ # Exercise to ensure that if advertised, filter works
+ git -C server config uploadpack.allowfilter 1 &&
+ git -C server serve --stateless-rpc <in >/dev/null
+'
+
+test_expect_success 'default refspec is used to filter ref when fetchcing' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
+ fetch origin &&
+
+ git -C file_child log -1 --format=%s three >actual &&
+ git -C file_parent log -1 --format=%s three >expect &&
+ test_cmp expect actual &&
+
+ grep "ref-prefix refs/heads/" log &&
+ grep "ref-prefix refs/tags/" log
+'
+
+test_expect_success 'fetch supports various ways of have lines' '
+ rm -rf server client trace &&
+ git init server &&
+ test_commit -C server dwim &&
+ TREE=$(git -C server rev-parse HEAD^{tree}) &&
+ git -C server tag exact \
+ $(git -C server commit-tree -m a "$TREE") &&
+ git -C server tag dwim-unwanted \
+ $(git -C server commit-tree -m b "$TREE") &&
+ git -C server tag exact-unwanted \
+ $(git -C server commit-tree -m c "$TREE") &&
+ git -C server tag prefix1 \
+ $(git -C server commit-tree -m d "$TREE") &&
+ git -C server tag prefix2 \
+ $(git -C server commit-tree -m e "$TREE") &&
+ git -C server tag fetch-by-sha1 \
+ $(git -C server commit-tree -m f "$TREE") &&
+ git -C server tag completely-unrelated \
+ $(git -C server commit-tree -m g "$TREE") &&
+
+ git init client &&
+ GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
+ fetch "file://$(pwd)/server" \
+ dwim \
+ refs/tags/exact \
+ refs/tags/prefix*:refs/tags/prefix* \
+ "$(git -C server rev-parse fetch-by-sha1)" &&
+
+ # Ensure that the appropriate prefixes are sent (using a sample)
+ grep "fetch> ref-prefix dwim" trace &&
+ grep "fetch> ref-prefix refs/heads/dwim" trace &&
+ grep "fetch> ref-prefix refs/tags/prefix" trace &&
+
+ # Ensure that the correct objects are returned
+ git -C client cat-file -e $(git -C server rev-parse dwim) &&
+ git -C client cat-file -e $(git -C server rev-parse exact) &&
+ git -C client cat-file -e $(git -C server rev-parse prefix1) &&
+ git -C client cat-file -e $(git -C server rev-parse prefix2) &&
+ git -C client cat-file -e $(git -C server rev-parse fetch-by-sha1) &&
+ test_must_fail git -C client cat-file -e \
+ $(git -C server rev-parse dwim-unwanted) &&
+ test_must_fail git -C client cat-file -e \
+ $(git -C server rev-parse exact-unwanted) &&
+ test_must_fail git -C client cat-file -e \
+ $(git -C server rev-parse completely-unrelated)
+'
+
+test_expect_success 'fetch supports include-tag and tag following' '
+ rm -rf server client trace &&
+ git init server &&
+
+ test_commit -C server to_fetch &&
+ git -C server tag -a annotated_tag -m message &&
+
+ git init client &&
+ GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
+ fetch "$(pwd)/server" to_fetch:to_fetch &&
+
+ grep "fetch> ref-prefix to_fetch" trace &&
+ grep "fetch> ref-prefix refs/tags/" trace &&
+ grep "fetch> include-tag" trace &&
+
+ git -C client cat-file -e $(git -C client rev-parse annotated_tag)
+'
+
+# Test protocol v2 with 'http://' transport
+#
+. "$TEST_DIRECTORY"/lib-httpd.sh
+start_httpd
+
+test_expect_success 'create repo to be served by http:// transport' '
+ git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+ git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
+ test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
+'
+
+test_expect_success 'clone with http:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
+ clone "$HTTPD_URL/smart/http_parent" http_child &&
+
+ git -C http_child log -1 --format=%s >actual &&
+ git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Client requested to use protocol v2
+ grep "Git-Protocol: version=2" log &&
+ # Server responded using protocol v2
+ grep "git< version 2" log
+'
+
+test_expect_success 'fetch with http:// using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
+ fetch &&
+
+ git -C http_child log -1 --format=%s origin/master >actual &&
+ git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
+ test_cmp expect actual &&
+
+ # Server responded using protocol v2
+ grep "git< version 2" log
+'
+
+test_expect_success 'push with http:// and a config of v2 does not request v2' '
+ test_when_finished "rm -f log" &&
+ # Till v2 for push is designed, make sure that if a client has
+ # protocol.version configured to use v2, that the client instead falls
+ # back and uses v0.
+
+ test_commit -C http_child three &&
+
+ # Push to another branch, as the target repository has the
+ # master branch checked out and we cannot push into it.
+ GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
+ push origin HEAD:client_branch &&
+
+ git -C http_child log -1 --format=%s >actual &&
+ git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
+ test_cmp expect actual &&
+
+ # Client didnt request to use protocol v2
+ ! grep "Git-Protocol: version=2" log &&
+ # Server didnt respond using protocol v2
+ ! grep "git< version 2" log
+'
+
+
+stop_httpd
+
+test_done