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t5702-protocol-v2.sh
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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 "ls-remote> .*\\\0\\\0version=2\\\0$" log &&
# Server responded using protocol v2
grep "ls-remote< version 2" log &&
git ls-remote --symref "$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://$(pwd)/file_parent" >actual &&
# Server responded using protocol v2
grep "ls-remote< version 2" log &&
git ls-remote --symref "file://$(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 'server-options from configuration are used by ls-remote' '
test_when_finished "rm -rf log myclone" &&
git clone "file://$(pwd)/file_parent" myclone &&
cat >expect <<-EOF &&
$(git -C file_parent rev-parse refs/heads/main)$(printf "\t")refs/heads/main
EOF
# Default server options from configuration are used
git -C myclone config --add remote.origin.serverOption foo &&
git -C myclone config --add remote.origin.serverOption bar &&
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
ls-remote origin main >actual &&
test_cmp expect actual &&
test_grep "ls-remote> server-option=foo" log &&
test_grep "ls-remote> server-option=bar" log &&
rm -f log &&
# Empty value of remote.<name>.serverOption clears the list
git -C myclone config --add remote.origin.serverOption "" &&
git -C myclone config --add remote.origin.serverOption tar &&
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
ls-remote origin main >actual &&
test_cmp expect actual &&
test_grep "ls-remote> server-option=tar" log &&
test_grep ! "ls-remote> server-option=foo" log &&
test_grep ! "ls-remote> server-option=bar" log &&
rm -f log &&
# Server option from command line overrides those from configuration
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
ls-remote -o hello -o world origin main >actual &&
test_cmp expect actual &&
test_grep "ls-remote> server-option=hello" log &&
test_grep "ls-remote> server-option=world" log &&
test_grep ! "ls-remote> server-option=tar" log
'
test_expect_success 'warn if using server-option with ls-remote with legacy protocol' '
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
ls-remote -o hello -o world "file://$(pwd)/file_parent" main 2>err &&
test_grep "see protocol.version in" err &&
test_grep "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://$(pwd)/file_empty_parent" file_empty_child &&
echo refs/heads/mydefaultbranch >expect &&
git -C file_empty_child symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success '...but not if explicitly forbidden by config' '
test_when_finished "rm -rf file_empty_parent file_empty_child" &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
test_config -C file_empty_parent lsrefs.unborn ignore &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=main -c protocol.version=2 \
clone "file://$(pwd)/file_empty_parent" file_empty_child &&
echo refs/heads/main >expect &&
git -C file_empty_child symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'bare clone propagates empty default branch' '
test_when_finished "rm -rf file_empty_parent file_empty_child.git" &&
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 --bare \
"file://$(pwd)/file_empty_parent" file_empty_child.git &&
echo "refs/heads/mydefaultbranch" >expect &&
git -C file_empty_child.git symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'clone propagates unborn HEAD from non-empty repo' '
test_when_finished "rm -rf file_unborn_parent file_unborn_child" &&
git init file_unborn_parent &&
(
cd file_unborn_parent &&
git checkout -b branchwithstuff &&
test_commit --no-tag stuff &&
git symbolic-ref HEAD refs/heads/mydefaultbranch
) &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=main -c protocol.version=2 \
clone "file://$(pwd)/file_unborn_parent" \
file_unborn_child 2>stderr &&
echo "refs/heads/mydefaultbranch" >expect &&
git -C file_unborn_child symbolic-ref HEAD >actual &&
test_cmp expect actual &&
grep "warning: remote HEAD refers to nonexistent ref" stderr
'
test_expect_success 'clone propagates object-format from empty repo' '
test_when_finished "rm -fr src256 dst256" &&
echo sha256 >expect &&
git init --object-format=sha256 src256 &&
git clone src256 dst256 &&
git -C dst256 rev-parse --show-object-format >actual &&
test_cmp expect actual
'
test_expect_success 'bare clone propagates unborn HEAD from non-empty repo' '
test_when_finished "rm -rf file_unborn_parent file_unborn_child.git" &&
git init file_unborn_parent &&
(
cd file_unborn_parent &&
git checkout -b branchwithstuff &&
test_commit --no-tag stuff &&
git symbolic-ref HEAD refs/heads/mydefaultbranch
) &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=main -c protocol.version=2 \
clone --bare "file://$(pwd)/file_unborn_parent" \
file_unborn_child.git 2>stderr &&
echo "refs/heads/mydefaultbranch" >expect &&
git -C file_unborn_child.git symbolic-ref HEAD >actual &&
test_cmp expect actual &&
! grep "warning:" stderr
'
test_expect_success 'defaulted HEAD uses remote branch if available' '
test_when_finished "rm -rf file_unborn_parent file_unborn_child" &&
git init file_unborn_parent &&
(
cd file_unborn_parent &&
git config lsrefs.unborn ignore &&
git checkout -b branchwithstuff &&
test_commit --no-tag stuff &&
git symbolic-ref HEAD refs/heads/mydefaultbranch
) &&
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
git -c init.defaultBranch=branchwithstuff -c protocol.version=2 \
clone "file://$(pwd)/file_unborn_parent" \
file_unborn_child 2>stderr &&
echo "refs/heads/branchwithstuff" >expect &&
git -C file_unborn_child symbolic-ref HEAD >actual &&
test_cmp expect actual &&
test_path_is_file file_unborn_child/stuff.t &&
! grep "warning:" stderr
'
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="$(pwd)/log" git -C file_child -c protocol.version=2 \
fetch -o hello -o world origin main &&
git -C file_child log -1 --format=%s origin/main >actual &&
git -C file_parent log -1 --format=%s >expect &&
test_cmp expect actual &&
grep "server-option=hello" log &&
grep "server-option=world" log
'
test_expect_success 'server-options are sent when fetch multiple remotes' '
test_when_finished "rm -f log server_options_sent" &&
git clone "file://$(pwd)/file_parent" child_multi_remotes &&
git -C child_multi_remotes remote add another "file://$(pwd)/file_parent" &&
GIT_TRACE_PACKET="$(pwd)/log" git -C child_multi_remotes -c protocol.version=2 \
fetch -o hello --all &&
grep "fetch> server-option=hello" log >server_options_sent &&
test_line_count = 2 server_options_sent
'
test_expect_success 'server-options from configuration are used by git-fetch' '
test_when_finished "rm -rf log myclone" &&
git clone "file://$(pwd)/file_parent" myclone &&
git -C file_parent log -1 --format=%s >expect &&
# Default server options from configuration are used
git -C myclone config --add remote.origin.serverOption foo &&
git -C myclone config --add remote.origin.serverOption bar &&
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
fetch origin main &&
git -C myclone log -1 --format=%s origin/main >actual &&
test_cmp expect actual &&
test_grep "fetch> server-option=foo" log &&
test_grep "fetch> server-option=bar" log &&
rm -f log &&
# Empty value of remote.<name>.serverOption clears the list
git -C myclone config --add remote.origin.serverOption "" &&
git -C myclone config --add remote.origin.serverOption tar &&
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
fetch origin main &&
git -C myclone log -1 --format=%s origin/main >actual &&
test_cmp expect actual &&
test_grep "fetch> server-option=tar" log &&
test_grep ! "fetch> server-option=foo" log &&
test_grep ! "fetch> server-option=bar" log &&
rm -f log &&
# Server option from command line overrides those from configuration
GIT_TRACE_PACKET="$(pwd)/log" git -C myclone -c protocol.version=2 \
fetch -o hello -o world origin main &&
git -C myclone log -1 --format=%s origin/main >actual &&
test_cmp expect actual &&
test_grep "fetch> server-option=hello" log &&
test_grep "fetch> server-option=world" log &&
test_grep ! "fetch> server-option=tar" 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://$(pwd)/file_parent" main 2>err &&
test_grep "see protocol.version in" err &&
test_grep "server options require protocol version 2 or later" err
'
test_expect_success 'server-options are sent when cloning' '
test_when_finished "rm -rf log myclone" &&
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
clone --server-option=hello --server-option=world \
"file://$(pwd)/file_parent" myclone &&
grep "server-option=hello" log &&
grep "server-option=world" log
'
test_expect_success 'server-options from configuration are used by git-clone' '
test_when_finished "rm -rf log myclone" &&
# Default server options from configuration are used
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
-c remote.origin.serverOption=foo -c remote.origin.serverOption=bar \
clone "file://$(pwd)/file_parent" myclone &&
test_grep "clone> server-option=foo" log &&
test_grep "clone> server-option=bar" log &&
rm -rf log myclone &&
# Empty value of remote.<name>.serverOption clears the list
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
-c remote.origin.serverOption=foo -c remote.origin.serverOption=bar \
-c remote.origin.serverOption= -c remote.origin.serverOption=tar \
clone "file://$(pwd)/file_parent" myclone &&
test_grep "clone> server-option=tar" log &&
test_grep ! "clone> server-option=foo" log &&
test_grep ! "clone> server-option=bar" log &&
rm -rf log myclone &&
# Server option from command line overrides those from configuration
GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
-c remote.origin.serverOption=tar \
clone --server-option=hello --server-option=world \
"file://$(pwd)/file_parent" myclone &&
test_grep "clone> server-option=hello" log &&
test_grep "clone> server-option=world" log &&
test_grep ! "clone> server-option=tar" log
'
test_expect_success 'warn if using server-option with clone with legacy protocol' '
test_when_finished "rm -rf myclone" &&
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
clone --server-option=hello --server-option=world \
"file://$(pwd)/file_parent" myclone 2>err &&
test_grep "see protocol.version in" err &&
test_grep "server options require protocol version 2 or later" err
'
test_expect_success 'server-option configuration with legacy protocol is ok' '
test_when_finished "rm -rf myclone" &&
env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
-c remote.origin.serverOption=foo -c remote.origin.serverOption=bar \
clone "file://$(pwd)/file_parent" myclone
'
test_expect_success 'invalid server-option configuration' '
test_when_finished "rm -rf myclone" &&
test_must_fail git -c protocol.version=2 \
-c remote.origin.serverOption \
clone "file://$(pwd)/file_parent" myclone 2>err &&
test_grep "error: missing value for '\''remote.origin.serveroption'\''" 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_grep "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 $(git -C server rev-parse main)
filter blob:none
0000
EOF
test_must_fail test-tool -C server serve-v2 --stateless-rpc \
<in >/dev/null 2>err &&
grep "unexpected line: .filter blob:none." err &&
# Exercise to ensure that if advertised, filter works
git -C server config uploadpack.allowfilter 1 &&
test-tool -C server serve-v2 --stateless-rpc <in >/dev/null
'
test_expect_success 'default refspec is used to filter ref when fetching' '
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(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 'set up parent for prefix tests' '
git init prefix-parent &&
git -C prefix-parent commit --allow-empty -m foo &&
git -C prefix-parent tag my-tag &&
git -C prefix-parent branch unrelated-branch
'
test_expect_success 'empty refspec filters refs when fetching' '
git init configless-child &&
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(pwd)/log" \
git -C configless-child fetch ../prefix-parent &&
test_grep ! unrelated-branch log
'
test_expect_success 'exact oid fetch with tag following' '
git init exact-oid-tags &&
commit=$(git -C prefix-parent rev-parse --verify HEAD) &&
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(pwd)/log" \
git -C exact-oid-tags fetch ../prefix-parent \
$commit:refs/heads/exact &&
test_grep ! unrelated-branch log &&
git -C exact-oid-tags rev-parse --verify my-tag
'
test_expect_success 'exact oid fetch avoids pointless HEAD request' '
git init exact-oid-head &&
git -C exact-oid-head remote add origin ../prefix-parent &&
commit=$(git -C prefix-parent rev-parse --verify HEAD) &&
test_when_finished "rm -f log" &&
GIT_TRACE_PACKET="$(pwd)/log" \
git -C exact-oid-head fetch --no-tags origin \
$commit:refs/heads/exact &&
test_grep ! command=ls-refs log
'
test_expect_success 'fetch supports various ways of have lines' '
rm -rf server client trace &&
git init server &&
test_commit -C server dwim &&
TREE=$(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 'usage: --negotiate-only without --negotiation-tip' '
SERVER="server" &&
URI="file://$(pwd)/server" &&
setup_negotiate_only "$SERVER" "$URI" &&
cat >err.expect <<-\EOF &&
fatal: --negotiate-only needs one or more --negotiation-tip=*
EOF
test_must_fail git -c protocol.version=2 -C client fetch \
--negotiate-only \
origin 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'usage: --negotiate-only with --recurse-submodules' '
cat >err.expect <<-\EOF &&
fatal: options '\''--negotiate-only'\'' and '\''--recurse-submodules'\'' cannot be used together
EOF
test_must_fail git -c protocol.version=2 -C client fetch \
--negotiate-only \
--recurse-submodules \
origin 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'file:// --negotiate-only' '
SERVER="server" &&
URI="file://$(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_grep "negotiate-only requires protocol v2" err
'
test_expect_success 'push with custom path does not request v2' '
rm -f env.trace &&
git -C client push \
--receive-pack="env >../env.trace; git-receive-pack" \
origin HEAD:refs/heads/custom-push-test &&
test_path_is_file env.trace &&
! grep ^GIT_PROTOCOL env.trace
'
test_expect_success 'fetch with custom path does request v2' '
rm -f env.trace &&
git -C client fetch \
--upload-pack="env >../env.trace; git-upload-pack" \
origin HEAD &&
grep ^GIT_PROTOCOL=version=2 env.trace
'
test_expect_success 'archive with custom path does not request v2' '
rm -f env.trace &&
git -C client archive \
--exec="env >../env.trace; git-upload-archive" \
--remote=origin \
HEAD >/dev/null &&
test_path_is_file env.trace &&
! grep ^GIT_PROTOCOL env.trace
'
test_expect_success 'reject client packfile-uris if not advertised' '
{
packetize command=fetch &&
packetize object-format=$(test_oid algo) &&
printf 0001 &&
packetize packfile-uris https &&
packetize done &&
printf 0000
} >input &&
test_must_fail env GIT_PROTOCOL=version=2 \
git upload-pack client <input &&
test_must_fail env GIT_PROTOCOL=version=2 \
git -c uploadpack.blobpackfileuri \
upload-pack client <input &&
GIT_PROTOCOL=version=2 \
git -c uploadpack.blobpackfileuri=anything \
upload-pack client <input
'
# Test protocol v2 with 'http://' transport
#
. "$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