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git/t/t5702-protocol-v2.sh
Jonathan Tan 9c1e657a8f fetch: teach independent negotiation (no packfile)
Currently, the packfile negotiation step within a Git fetch cannot be
done independent of sending the packfile, even though there is at least
one application wherein this is useful. Therefore, make it possible for
this negotiation step to be done independently. A subsequent commit will
use this for one such application - push negotiation.

This feature is for protocol v2 only. (An implementation for protocol v0
would require a separate implementation in the fetch, transport, and
transport helper code.)

In the protocol, the main hindrance towards independent negotiation is
that the server can unilaterally decide to send the packfile. This is
solved by a "wait-for-done" argument: the server will then wait for the
client to say "done". In practice, the client will never say it; instead
it will cease requests once it is satisfied.

In the client, the main change lies in the transport and transport
helper code. fetch_refs_via_pack() performs everything needed - protocol
version and capability checks, and the negotiation itself.

There are 2 code paths that do not go through fetch_refs_via_pack() that
needed to be individually excluded: the bundle transport (excluded
through requiring smart_options, which the bundle transport doesn't
support) and transport helpers that do not support takeover. If or when
we support independent negotiation for protocol v0, we will need to
modify these 2 code paths to support it. But for now, report failure if
independent negotiation is requested in these cases.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-05 10:41:29 +09:00

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#!/bin/sh
test_description='test git wire-protocol version 2'
TEST_NO_CREATE_REPO=1
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./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 advertisement 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" main >actual &&
cat >expect <<-EOF &&
$(git -C "$daemon_parent" rev-parse refs/heads/main)$(printf "\t")refs/heads/main
EOF
test_cmp expect actual
'
test_expect_success 'clone with git:// using protocol v2' '
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(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="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
fetch &&
git -C daemon_child log -1 --format=%s origin/main >actual &&
git -C "$daemon_parent" log -1 --format=%s >expect &&
test_cmp expect actual &&
# Client requested to use protocol v2
grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
# Server responded using protocol v2
grep "fetch< version 2" log
'
test_expect_success 'fetch by hash without tag following with protocol v2 does not list refs' '
test_when_finished "rm -f log" &&
test_commit -C "$daemon_parent" two_a &&
git -C "$daemon_parent" rev-parse two_a >two_a_hash &&
GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
fetch --no-tags origin $(cat two_a_hash) &&
grep "fetch< version 2" log &&
! grep "fetch> command=ls-refs" log
'
test_expect_success 'pull with git:// using protocol v2' '
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(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
# main 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 advertisement 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" main >actual &&
cat >expect <<-EOF &&
$(git -C file_parent rev-parse refs/heads/main)$(printf "\t")refs/heads/main
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" main >actual &&
cat >expect <<-EOF &&
$(git -C file_parent rev-parse refs/heads/main)$(printf "\t")refs/heads/main
EOF
test_cmp expect actual &&
grep "server-option=hello" log &&
grep "server-option=world" log
'
test_expect_success 'warn if using server-option with ls-remote with legacy protocol' '
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
ls-remote -o hello -o world "file://$(pwd)/file_parent" main 2>err &&
test_i18ngrep "see protocol.version in" err &&
test_i18ngrep "server options require protocol version 2 or later" err
'
test_expect_success 'clone with file:// using protocol v2' '
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
clone "file://$(pwd)/file_parent" file_child &&
git -C file_child log -1 --format=%s >actual &&
git -C file_parent log -1 --format=%s >expect &&
test_cmp expect actual &&
# Server responded using protocol v2
grep "clone< version 2" log &&
# Client sent ref-prefixes to filter the ref-advertisement
grep "ref-prefix HEAD" log &&
grep "ref-prefix refs/heads/" log &&
grep "ref-prefix refs/tags/" log
'
test_expect_success 'clone of empty repo propagates name of default branch' '
test_when_finished "rm -rf file_empty_parent file_empty_child" &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=main -c protocol.version=2 \
clone "file://$(pwd)/file_empty_parent" file_empty_child &&
grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD
'
test_expect_success '...but not if explicitly forbidden by config' '
test_when_finished "rm -rf file_empty_parent file_empty_child" &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
test_config -C file_empty_parent lsrefs.unborn ignore &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=main -c protocol.version=2 \
clone "file://$(pwd)/file_empty_parent" file_empty_child &&
! grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD
'
test_expect_success 'fetch with file:// using protocol v2' '
test_when_finished "rm -f log" &&
test_commit -C file_parent two &&
GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
fetch origin &&
git -C file_child log -1 --format=%s origin/main >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 advertisement 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="$(pwd)/log" git -C file_child -c protocol.version=2 \
fetch origin main &&
git -C file_child log -1 --format=%s origin/main >actual &&
git -C file_parent log -1 --format=%s >expect &&
test_cmp expect actual &&
grep "refs/heads/main" log &&
! grep "refs/heads/unwanted-branch" log
'
test_expect_success 'server-options are sent when fetching' '
test_when_finished "rm -f log" &&
test_commit -C file_parent four &&
GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
fetch -o hello -o world origin main &&
git -C file_child log -1 --format=%s origin/main >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 'warn if using server-option with fetch with legacy protocol' '
test_when_finished "rm -rf temp_child" &&
git init temp_child &&
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -C temp_child -c protocol.version=0 \
fetch -o hello -o world "file://$(pwd)/file_parent" main 2>err &&
test_i18ngrep "see protocol.version in" err &&
test_i18ngrep "server options require protocol version 2 or later" err
'
test_expect_success 'server-options are sent when cloning' '
test_when_finished "rm -rf log myclone" &&
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
clone --server-option=hello --server-option=world \
"file://$(pwd)/file_parent" myclone &&
grep "server-option=hello" log &&
grep "server-option=world" log
'
test_expect_success 'warn if using server-option with clone with legacy protocol' '
test_when_finished "rm -rf myclone" &&
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
clone --server-option=hello --server-option=world \
"file://$(pwd)/file_parent" myclone 2>err &&
test_i18ngrep "see protocol.version in" err &&
test_i18ngrep "server options require protocol version 2 or later" err
'
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 main \
>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 $(git -C server rev-parse message1:a.txt) &&
grep "version 2" trace
'
test_expect_success 'when dynamically fetching missing object, do not list refs' '
! grep "git> command=ls-refs" trace
'
test_expect_success 'partial fetch' '
rm -rf client "$(pwd)/trace" &&
git init client &&
SERVER="file://$(pwd)/server" &&
GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
fetch --filter=blob:none "$SERVER" main:refs/heads/other &&
grep "version 2" trace &&
# Ensure that the old version of the file is missing
git -C client rev-list --quiet --objects --missing=print other \
>observed.oids &&
grep "$(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
object-format=$(test_oid algo)
0001
want $(git -C server rev-parse main)
filter blob:none
0000
EOF
test_must_fail test-tool -C server serve-v2 --stateless-rpc \
<in >/dev/null 2>err &&
grep "unexpected line: .filter blob:none." err &&
# Exercise to ensure that if advertised, filter works
git -C server config uploadpack.allowfilter 1 &&
test-tool -C server serve-v2 --stateless-rpc <in >/dev/null
'
test_expect_success 'default refspec is used to filter ref when fetchcing' '
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(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 $(git -C client rev-parse annotated_tag)
'
test_expect_success 'upload-pack respects client shallows' '
rm -rf server client trace &&
git init server &&
test_commit -C server base &&
test_commit -C server client_has &&
git clone --depth=1 "file://$(pwd)/server" client &&
# Add extra commits to the client so that the whole fetch takes more
# than 1 request (due to negotiation)
test_commit_bulk -C client --id=c 32 &&
git -C server checkout -b newbranch base &&
test_commit -C server client_wants &&
GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
fetch origin newbranch &&
# Ensure that protocol v2 is used
grep "fetch< version 2" trace
'
test_expect_success 'ensure that multiple fetches in same process from a shallow repo works' '
rm -rf server client trace &&
test_create_repo server &&
test_commit -C server one &&
test_commit -C server two &&
test_commit -C server three &&
git clone --shallow-exclude two "file://$(pwd)/server" client &&
git -C server tag -a -m "an annotated tag" twotag two &&
# Triggers tag following (thus, 2 fetches in one process)
GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
fetch --shallow-exclude one origin &&
# Ensure that protocol v2 is used
grep "fetch< version 2" trace
'
test_expect_success 'deepen-relative' '
rm -rf server client trace &&
test_create_repo server &&
test_commit -C server one &&
test_commit -C server two &&
test_commit -C server three &&
git clone --depth 1 "file://$(pwd)/server" client &&
test_commit -C server four &&
# Sanity check that only "three" is downloaded
git -C client log --pretty=tformat:%s main >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/main >actual &&
cat >expected <<-\EOF &&
four
three
two
EOF
test_cmp expected actual
'
setup_negotiate_only () {
SERVER="$1"
URI="$2"
rm -rf "$SERVER" client
git init "$SERVER"
test_commit -C "$SERVER" one
test_commit -C "$SERVER" two
git clone "$URI" client
test_commit -C client three
}
test_expect_success 'file:// --negotiate-only' '
SERVER="server" &&
URI="file://$(pwd)/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
git -c protocol.version=2 -C client fetch \
--no-tags \
--negotiate-only \
--negotiation-tip=$(git -C client rev-parse HEAD) \
origin >out &&
COMMON=$(git -C "$SERVER" rev-parse two) &&
grep "$COMMON" out
'
test_expect_success 'file:// --negotiate-only with protocol v0' '
SERVER="server" &&
URI="file://$(pwd)/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
test_must_fail git -c protocol.version=0 -C client fetch \
--no-tags \
--negotiate-only \
--negotiation-tip=$(git -C client rev-parse HEAD) \
origin 2>err &&
test_i18ngrep "negotiate-only requires protocol v2" err
'
# Test protocol v2 with 'http://' transport
#
. "$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 "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
test_cmp expect actual &&
# Client requested to use protocol v2
grep "Git-Protocol: version=2" log &&
# Server responded using protocol v2
grep "git< version 2" log &&
# Verify that the chunked encoding sending codepath is NOT exercised
! grep "Send header: Transfer-Encoding: chunked" log
'
test_expect_success 'clone repository with http:// using protocol v2 with incomplete pktline length' '
test_when_finished "rm -f log" &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_length" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_length" file &&
test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
clone "$HTTPD_URL/smart/incomplete_length" incomplete_length_child 2>err &&
# Client requested to use protocol v2
grep "Git-Protocol: version=2" log &&
# Server responded using protocol v2
grep "git< version 2" log &&
# Client reported appropriate failure
test_i18ngrep "bytes of length header were received" err
'
test_expect_success 'clone repository with http:// using protocol v2 with incomplete pktline body' '
test_when_finished "rm -f log" &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_body" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_body" file &&
test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
clone "$HTTPD_URL/smart/incomplete_body" incomplete_body_child 2>err &&
# Client requested to use protocol v2
grep "Git-Protocol: version=2" log &&
# Server responded using protocol v2
grep "git< version 2" log &&
# Client reported appropriate failure
test_i18ngrep "bytes of body are still expected" err
'
test_expect_success 'clone with http:// using protocol v2 and invalid parameters' '
test_when_finished "rm -f log" &&
test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" \
git -c protocol.version=2 \
clone --shallow-since=20151012 "$HTTPD_URL/smart/http_parent" http_child_invalid &&
# 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 'clone big repository with http:// using protocol v2' '
test_when_finished "rm -f log" &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/big" &&
# Ensure that the list of wants is greater than http.postbuffer below
for i in $(test_seq 1 1500)
do
# do not use here-doc, because it requires a process
# per loop iteration
echo "commit refs/heads/too-many-refs-$i" &&
echo "committer git <git@example.com> $i +0000" &&
echo "data 0" &&
echo "M 644 inline bla.txt" &&
echo "data 4" &&
echo "bla"
done | git -C "$HTTPD_DOCUMENT_ROOT_PATH/big" fast-import &&
GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git \
-c protocol.version=2 -c http.postbuffer=65536 \
clone "$HTTPD_URL/smart/big" big_child &&
# Client requested to use protocol v2
grep "Git-Protocol: version=2" log &&
# Server responded using protocol v2
grep "git< version 2" log &&
# Verify that the chunked encoding sending codepath is exercised
grep "Send header: Transfer-Encoding: chunked" log
'
test_expect_success 'fetch with http:// using protocol v2' '
test_when_finished "rm -f log" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
fetch &&
git -C http_child log -1 --format=%s origin/main >actual &&
git -C "$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 'fetch with http:// by hash without tag following with protocol v2 does not list refs' '
test_when_finished "rm -f log" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two_a &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" rev-parse two_a >two_a_hash &&
GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
fetch --no-tags origin $(cat two_a_hash) &&
grep "fetch< version 2" log &&
! grep "fetch> command=ls-refs" log
'
test_expect_success 'fetch from namespaced repo respects namespaces' '
test_when_finished "rm -f log" &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" one &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" two &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" \
update-ref refs/namespaces/ns/refs/heads/main one &&
GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
fetch "$HTTPD_URL/smart_namespace/nsrepo" \
refs/heads/main:refs/heads/theirs &&
# Server responded using protocol v2
grep "fetch< version 2" log &&
git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" rev-parse one >expect &&
git -C http_child rev-parse theirs >actual &&
test_cmp expect actual
'
test_expect_success 'ls-remote with v2 http sends only one POST' '
test_when_finished "rm -f log" &&
git ls-remote "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" >expect &&
GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
ls-remote "$HTTPD_URL/smart/http_parent" >actual &&
test_cmp expect actual &&
grep "Send header: POST" log >posts &&
test_line_count = 1 posts
'
test_expect_success 'push with http:// and a config of v2 does not request v2' '
test_when_finished "rm -f log" &&
# Till v2 for push is designed, make sure that if a client has
# protocol.version configured to use v2, that the client instead falls
# back and uses v0.
test_commit -C http_child three &&
# Push to another branch, as the target repository has the
# main branch checked out and we cannot push into it.
GIT_TRACE_PACKET="$(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 "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
test_cmp expect actual &&
# Client did not request to use protocol v2
! grep "Git-Protocol: version=2" log &&
# Server did not respond using protocol v2
! grep "git< version 2" log
'
test_expect_success 'when server sends "ready", expect DELIM' '
rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
git clone "$HTTPD_URL/smart/http_parent" http_child &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
# After "ready" in the acknowledgments section, pretend that a FLUSH
# (0000) was sent instead of a DELIM (0001).
printf "\$ready = 1 if /ready/; \$ready && s/0001/0000/" \
>"$HTTPD_ROOT_PATH/one-time-perl" &&
test_must_fail git -C http_child -c protocol.version=2 \
fetch "$HTTPD_URL/one_time_perl/http_parent" 2> err &&
test_i18ngrep "expected packfile to be sent after .ready." err
'
test_expect_success 'when server does not send "ready", expect FLUSH' '
rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child log &&
git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
git clone "$HTTPD_URL/smart/http_parent" http_child &&
test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
# Create many commits to extend the negotiation phase across multiple
# requests, so that the server does not send "ready" in the first
# request.
test_commit_bulk -C http_child --id=c 32 &&
# After the acknowledgments section, pretend that a DELIM
# (0001) was sent instead of a FLUSH (0000).
printf "\$ack = 1 if /acknowledgments/; \$ack && s/0000/0001/" \
>"$HTTPD_ROOT_PATH/one-time-perl" &&
test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" git -C http_child \
-c protocol.version=2 \
fetch "$HTTPD_URL/one_time_perl/http_parent" 2> err &&
grep "fetch< .*acknowledgments" log &&
! grep "fetch< .*ready" log &&
test_i18ngrep "expected no other sections to be sent after no .ready." err
'
configure_exclusion () {
git -C "$1" hash-object "$2" >objh &&
git -C "$1" pack-objects "$HTTPD_DOCUMENT_ROOT_PATH/mypack" <objh >packh &&
git -C "$1" config --add \
"uploadpack.blobpackfileuri" \
"$(cat objh) $(cat packh) $HTTPD_URL/dumb/mypack-$(cat packh).pack" &&
cat objh
}
test_expect_success 'part of packfile response provided as URI' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child log &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo my-blob >"$P/my-blob" &&
git -C "$P" add my-blob &&
echo other-blob >"$P/other-blob" &&
git -C "$P" add other-blob &&
git -C "$P" commit -m x &&
configure_exclusion "$P" my-blob >h &&
configure_exclusion "$P" other-blob >h2 &&
GIT_TRACE=1 GIT_TRACE_PACKET="$(pwd)/log" GIT_TEST_SIDEBAND_ALL=1 \
git -c protocol.version=2 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child &&
# Ensure that my-blob and other-blob are in separate packfiles.
for idx in http_child/.git/objects/pack/*.idx
do
git verify-pack --object-format=$(test_oid algo) --verbose $idx >out &&
{
grep "^[0-9a-f]\{16,\} " out || :
} >out.objectlist &&
if test_line_count = 1 out.objectlist
then
if grep $(cat h) out
then
>hfound
fi &&
if grep $(cat h2) out
then
>h2found
fi
fi
done &&
test -f hfound &&
test -f h2found &&
# Ensure that there are exactly 3 packfiles with associated .idx
ls http_child/.git/objects/pack/*.pack \
http_child/.git/objects/pack/*.idx >filelist &&
test_line_count = 6 filelist
'
test_expect_success 'packfile URIs with fetch instead of clone' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child log &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo my-blob >"$P/my-blob" &&
git -C "$P" add my-blob &&
git -C "$P" commit -m x &&
configure_exclusion "$P" my-blob >h &&
git init http_child &&
GIT_TEST_SIDEBAND_ALL=1 \
git -C http_child -c protocol.version=2 \
-c fetch.uriprotocols=http,https \
fetch "$HTTPD_URL/smart/http_parent"
'
test_expect_success 'fetching with valid packfile URI but invalid hash fails' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child log &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo my-blob >"$P/my-blob" &&
git -C "$P" add my-blob &&
echo other-blob >"$P/other-blob" &&
git -C "$P" add other-blob &&
git -C "$P" commit -m x &&
configure_exclusion "$P" my-blob >h &&
# Configure a URL for other-blob. Just reuse the hash of the object as
# the hash of the packfile, since the hash does not matter for this
# test as long as it is not the hash of the pack, and it is of the
# expected length.
git -C "$P" hash-object other-blob >objh &&
git -C "$P" pack-objects "$HTTPD_DOCUMENT_ROOT_PATH/mypack" <objh >packh &&
git -C "$P" config --add \
"uploadpack.blobpackfileuri" \
"$(cat objh) $(cat objh) $HTTPD_URL/dumb/mypack-$(cat packh).pack" &&
test_must_fail env GIT_TEST_SIDEBAND_ALL=1 \
git -c protocol.version=2 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child 2>err &&
test_i18ngrep "pack downloaded from.*does not match expected hash" err
'
test_expect_success 'packfile-uri with transfer.fsckobjects' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child log &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo my-blob >"$P/my-blob" &&
git -C "$P" add my-blob &&
git -C "$P" commit -m x &&
configure_exclusion "$P" my-blob >h &&
sane_unset GIT_TEST_SIDEBAND_ALL &&
git -c protocol.version=2 -c transfer.fsckobjects=1 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child &&
# Ensure that there are exactly 2 packfiles with associated .idx
ls http_child/.git/objects/pack/*.pack \
http_child/.git/objects/pack/*.idx >filelist &&
test_line_count = 4 filelist
'
test_expect_success 'packfile-uri with transfer.fsckobjects fails on bad object' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child log &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
cat >bogus-commit <<-EOF &&
tree $EMPTY_TREE
author Bugs Bunny 1234567890 +0000
committer Bugs Bunny <bugs@bun.ni> 1234567890 +0000
This commit object intentionally broken
EOF
BOGUS=$(git -C "$P" hash-object -t commit -w --stdin <bogus-commit) &&
git -C "$P" branch bogus-branch "$BOGUS" &&
echo my-blob >"$P/my-blob" &&
git -C "$P" add my-blob &&
git -C "$P" commit -m x &&
configure_exclusion "$P" my-blob >h &&
sane_unset GIT_TEST_SIDEBAND_ALL &&
test_must_fail git -c protocol.version=2 -c transfer.fsckobjects=1 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child 2>error &&
test_i18ngrep "invalid author/committer line - missing email" error
'
test_expect_success 'packfile-uri with transfer.fsckobjects succeeds when .gitmodules is separate from tree' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo "[submodule libfoo]" >"$P/.gitmodules" &&
echo "path = include/foo" >>"$P/.gitmodules" &&
echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
git -C "$P" add .gitmodules &&
git -C "$P" commit -m x &&
configure_exclusion "$P" .gitmodules >h &&
sane_unset GIT_TEST_SIDEBAND_ALL &&
git -c protocol.version=2 -c transfer.fsckobjects=1 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child &&
# Ensure that there are exactly 2 packfiles with associated .idx
ls http_child/.git/objects/pack/*.pack \
http_child/.git/objects/pack/*.idx >filelist &&
test_line_count = 4 filelist
'
test_expect_success 'packfile-uri with transfer.fsckobjects fails when .gitmodules separate from tree is invalid' '
P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
rm -rf "$P" http_child err &&
git init "$P" &&
git -C "$P" config "uploadpack.allowsidebandall" "true" &&
echo "[submodule \"..\"]" >"$P/.gitmodules" &&
echo "path = include/foo" >>"$P/.gitmodules" &&
echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
git -C "$P" add .gitmodules &&
git -C "$P" commit -m x &&
configure_exclusion "$P" .gitmodules >h &&
sane_unset GIT_TEST_SIDEBAND_ALL &&
test_must_fail git -c protocol.version=2 -c transfer.fsckobjects=1 \
-c fetch.uriprotocols=http,https \
clone "$HTTPD_URL/smart/http_parent" http_child 2>err &&
test_i18ngrep "disallowed submodule name" err
'
test_expect_success 'http:// --negotiate-only' '
SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
URI="$HTTPD_URL/smart/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
git -c protocol.version=2 -C client fetch \
--no-tags \
--negotiate-only \
--negotiation-tip=$(git -C client rev-parse HEAD) \
origin >out &&
COMMON=$(git -C "$SERVER" rev-parse two) &&
grep "$COMMON" out
'
test_expect_success 'http:// --negotiate-only without wait-for-done support' '
SERVER="server" &&
URI="$HTTPD_URL/one_time_perl/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
echo "s/ wait-for-done/ xxxx-xxx-xxxx/" \
>"$HTTPD_ROOT_PATH/one-time-perl" &&
test_must_fail git -c protocol.version=2 -C client fetch \
--no-tags \
--negotiate-only \
--negotiation-tip=$(git -C client rev-parse HEAD) \
origin 2>err &&
test_i18ngrep "server does not support wait-for-done" err
'
test_expect_success 'http:// --negotiate-only with protocol v0' '
SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
URI="$HTTPD_URL/smart/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
test_must_fail git -c protocol.version=0 -C client fetch \
--no-tags \
--negotiate-only \
--negotiation-tip=$(git -C client rev-parse HEAD) \
origin 2>err &&
test_i18ngrep "negotiate-only requires protocol v2" err
'
# DO NOT add non-httpd-specific tests here, because the last part of this
# test script is only executed when httpd is available and enabled.
test_done