#!/bin/sh
test_description='upload-pack ref-in-want'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
get_actual_refs () {
sed -n -e '/wanted-refs/,/0001/{
/wanted-refs/d
/0001/d
p
}' <out | test-tool pkt-line unpack >actual_refs
}
get_actual_commits () {
test-tool pkt-line unpack-sideband <out >o.pack &&
git index-pack o.pack &&
git verify-pack -v o.idx >objs &&
sed -n -e 's/\([0-9a-f][0-9a-f]*\) commit .*/\1/p' objs >objs.sed &&
sort >actual_commits <objs.sed
}
check_output () {
get_actual_refs &&
test_cmp expected_refs actual_refs &&
get_actual_commits &&
sort expected_commits >sorted_commits &&
test_cmp sorted_commits actual_commits
}
write_command () {
echo "command=$1"
if test "$(test_oid algo)" != sha1
then
echo "object-format=$(test_oid algo)"
fi
}
# Write a complete fetch command to stdout, suitable for use with `test-tool
# pkt-line`. "want-ref", "want", and "have" lines are read from stdin.
#
# Examples:
#
# write_fetch_command <<-EOF
# want-ref refs/heads/main
# have $(git rev-parse a)
# EOF
#
# write_fetch_command <<-EOF
# want $(git rev-parse b)
# have $(git rev-parse a)
# EOF
#
write_fetch_command () {
write_command fetch &&
echo "0001" &&
echo "no-progress" &&
cat &&
echo "done" &&
echo "0000"
}
# c(o/foo) d(o/bar)
# \ /
# b e(baz) f(main)
# \__ | __/
# \ | /
# a
test_expect_success 'setup repository' '
test_commit a &&
git branch -M main &&
git checkout -b o/foo &&
test_commit b &&
test_commit c &&
git checkout -b o/bar b &&
test_commit d &&
git checkout -b baz a &&
test_commit e &&
git checkout main &&
test_commit f
'
test_expect_success 'config controls ref-in-want advertisement' '
test-tool serve-v2 --advertise-capabilities >out &&
perl -ne "/ref-in-want/ and print" out >out.filter &&
test_must_be_empty out.filter &&
git config uploadpack.allowRefInWant false &&
test-tool serve-v2 --advertise-capabilities >out &&
perl -ne "/ref-in-want/ and print" out >out.filter &&
test_must_be_empty out.filter &&
git config uploadpack.allowRefInWant true &&
test-tool serve-v2 --advertise-capabilities >out &&
perl -ne "/ref-in-want/ and print" out >out.filter &&
test_file_not_empty out.filter
'
test_expect_success 'invalid want-ref line' '
write_fetch_command >pkt <<-EOF &&
want-ref refs/heads/non-existent
EOF
test-tool pkt-line pack <pkt >in &&
test_must_fail test-tool serve-v2 --stateless-rpc 2>out <in &&
grep "unknown ref" out
'
test_expect_success 'basic want-ref' '
oid=$(git rev-parse f) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/main
EOF
git rev-parse f >expected_commits &&
write_fetch_command >pkt <<-EOF &&
want-ref refs/heads/main
have $(git rev-parse a)
EOF
test-tool pkt-line pack <pkt >in &&
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'multiple want-ref lines' '
oid_c=$(git rev-parse c) &&
oid_d=$(git rev-parse d) &&
cat >expected_refs <<-EOF &&
$oid_c refs/heads/o/foo
$oid_d refs/heads/o/bar
EOF
git rev-parse c d >expected_commits &&
write_fetch_command >pkt <<-EOF &&
want-ref refs/heads/o/foo
want-ref refs/heads/o/bar
have $(git rev-parse b)
EOF
test-tool pkt-line pack <pkt >in &&
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'mix want and want-ref' '
oid=$(git rev-parse f) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/main
EOF
git rev-parse e f >expected_commits &&
write_fetch_command >pkt <<-EOF &&
want-ref refs/heads/main
want $(git rev-parse e)
have $(git rev-parse a)
EOF
test-tool pkt-line pack <pkt >in &&
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'want-ref with ref we already have commit for' '
oid=$(git rev-parse c) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/o/foo
EOF
>expected_commits &&
write_fetch_command >pkt <<-EOF &&
want-ref refs/heads/o/foo
have $(git rev-parse c)
EOF
test-tool pkt-line pack <pkt >in &&
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
REPO="$(pwd)/repo"
LOCAL_PRISTINE="$(pwd)/local_pristine"
# $REPO
# c(o/foo) d(o/bar)
# \ /
# b e(baz) f(main)
# \__ | __/
# \ | /
# a
#
# $LOCAL_PRISTINE
# s32(side)
# |
# .
# .
# |
# a(main)
test_expect_success 'setup repos for fetching with ref-in-want tests' '
(
git init -b main "$REPO" &&
cd "$REPO" &&
test_commit a &&
# Local repo with many commits (so that negotiation will take
# more than 1 request/response pair)
rm -rf "$LOCAL_PRISTINE" &&
git clone "file://$REPO" "$LOCAL_PRISTINE" &&
cd "$LOCAL_PRISTINE" &&
git checkout -b side &&
test_commit_bulk --id=s 33 &&
# Add novel commits to upstream
git checkout main &&
cd "$REPO" &&
git checkout -b o/foo &&
test_commit b &&
test_commit c &&
git checkout -b o/bar b &&
test_commit d &&
git checkout -b baz a &&
test_commit e &&
git checkout main &&
test_commit f
) &&
git -C "$REPO" config uploadpack.allowRefInWant true &&
git -C "$LOCAL_PRISTINE" config protocol.version 2
'
test_expect_success 'fetching with exact OID' '
test_when_finished "rm -f log trace2" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
oid=$(git -C "$REPO" rev-parse d) &&
GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE2_EVENT="$(pwd)/trace2" \
git -C local fetch origin \
"$oid":refs/heads/actual &&
grep \"key\":\"total_rounds\",\"value\":\"2\" trace2 &&
git -C "$REPO" rev-parse "d" >expected &&
git -C local rev-parse refs/heads/actual >actual &&
test_cmp expected actual &&
grep "want $oid" log
'
test_expect_success 'fetching multiple refs' '
test_when_finished "rm -f log" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin main baz &&
git -C "$REPO" rev-parse "main" "baz" >expected &&
git -C local rev-parse refs/remotes/origin/main refs/remotes/origin/baz >actual &&
test_cmp expected actual &&
grep "want-ref refs/heads/main" log &&
grep "want-ref refs/heads/baz" log
'
test_expect_success 'fetching ref and exact OID' '
test_when_finished "rm -f log" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
oid=$(git -C "$REPO" rev-parse b) &&
GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
main "$oid":refs/heads/actual &&
git -C "$REPO" rev-parse "main" "b" >expected &&
git -C local rev-parse refs/remotes/origin/main refs/heads/actual >actual &&
test_cmp expected actual &&
grep "want $oid" log &&
grep "want-ref refs/heads/main" log
'
test_expect_success 'fetching with wildcard that does not match any refs' '
test_when_finished "rm -f log" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
git -C local fetch origin refs/heads/none*:refs/heads/* >out &&
test_must_be_empty out
'
test_expect_success 'fetching with wildcard that matches multiple refs' '
test_when_finished "rm -f log" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin refs/heads/o*:refs/heads/o* &&
git -C "$REPO" rev-parse "o/foo" "o/bar" >expected &&
git -C local rev-parse "o/foo" "o/bar" >actual &&
test_cmp expected actual &&
grep "want-ref refs/heads/o/foo" log &&
grep "want-ref refs/heads/o/bar" log
'
REPO="$(pwd)/repo-ns"
test_expect_success 'setup namespaced repo' '
(
git init -b main "$REPO" &&
cd "$REPO" &&
test_commit a &&
test_commit b &&
git checkout a &&
test_commit c &&
git checkout a &&
test_commit d &&
git update-ref refs/heads/ns-no b &&
git update-ref refs/namespaces/ns/refs/heads/ns-yes c &&
git update-ref refs/namespaces/ns/refs/heads/hidden d
) &&
git -C "$REPO" config uploadpack.allowRefInWant true
'
test_expect_success 'with namespace: want-ref is considered relative to namespace' '
wanted_ref=refs/heads/ns-yes &&
oid=$(git -C "$REPO" rev-parse "refs/namespaces/ns/$wanted_ref") &&
cat >expected_refs <<-EOF &&
$oid $wanted_ref
EOF
cat >expected_commits <<-EOF &&
$oid
$(git -C "$REPO" rev-parse a)
EOF
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
GIT_NAMESPACE=ns test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'with namespace: want-ref outside namespace is unknown' '
wanted_ref=refs/heads/ns-no &&
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
test_must_fail env GIT_NAMESPACE=ns \
test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
grep "unknown ref" out
'
# Cross-check refs/heads/ns-no indeed exists
test_expect_success 'without namespace: want-ref outside namespace succeeds' '
wanted_ref=refs/heads/ns-no &&
oid=$(git -C "$REPO" rev-parse $wanted_ref) &&
cat >expected_refs <<-EOF &&
$oid $wanted_ref
EOF
cat >expected_commits <<-EOF &&
$oid
$(git -C "$REPO" rev-parse a)
EOF
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'with namespace: hideRefs is matched, relative to namespace' '
wanted_ref=refs/heads/hidden &&
git -C "$REPO" config transfer.hideRefs $wanted_ref &&
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
test_must_fail env GIT_NAMESPACE=ns \
test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
grep "unknown ref" out
'
# Cross-check refs/heads/hidden indeed exists
test_expect_success 'with namespace: want-ref succeeds if hideRefs is removed' '
wanted_ref=refs/heads/hidden &&
git -C "$REPO" config --unset transfer.hideRefs $wanted_ref &&
oid=$(git -C "$REPO" rev-parse "refs/namespaces/ns/$wanted_ref") &&
cat >expected_refs <<-EOF &&
$oid $wanted_ref
EOF
cat >expected_commits <<-EOF &&
$oid
$(git -C "$REPO" rev-parse a)
EOF
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
GIT_NAMESPACE=ns test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'without namespace: relative hideRefs does not match' '
wanted_ref=refs/namespaces/ns/refs/heads/hidden &&
git -C "$REPO" config transfer.hideRefs refs/heads/hidden &&
oid=$(git -C "$REPO" rev-parse $wanted_ref) &&
cat >expected_refs <<-EOF &&
$oid $wanted_ref
EOF
cat >expected_commits <<-EOF &&
$oid
$(git -C "$REPO" rev-parse a)
EOF
write_fetch_command >pkt <<-EOF &&
want-ref $wanted_ref
EOF
test-tool pkt-line pack <pkt >in &&
test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
check_output
'
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd
REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo"
LOCAL_PRISTINE="$(pwd)/local_pristine"
test_expect_success 'setup repos for change-while-negotiating test' '
(
git init -b main "$REPO" &&
cd "$REPO" &&
>.git/git-daemon-export-ok &&
test_commit m1 &&
git tag -d m1 &&
# Local repo with many commits (so that negotiation will take
# more than 1 request/response pair)
rm -rf "$LOCAL_PRISTINE" &&
git clone "http://127.0.0.1:$LIB_HTTPD_PORT/smart/repo" "$LOCAL_PRISTINE" &&
cd "$LOCAL_PRISTINE" &&
git checkout -b side &&
test_commit_bulk --id=s 33 &&
# Add novel commits to upstream
git checkout main &&
cd "$REPO" &&
test_commit m2 &&
test_commit m3 &&
git tag -d m2 m3
) &&
git -C "$LOCAL_PRISTINE" remote set-url origin "http://127.0.0.1:$LIB_HTTPD_PORT/one_time_perl/repo" &&
git -C "$LOCAL_PRISTINE" config protocol.version 2
'
inconsistency () {
# Simulate that the server initially reports $2 as the ref
# corresponding to $1, and after that, $1 as the ref corresponding to
# $1. This corresponds to the real-life situation where the server's
# repository appears to change during negotiation, for example, when
# different servers in a load-balancing arrangement serve (stateless)
# RPCs during a single negotiation.
oid1=$(git -C "$REPO" rev-parse $1) &&
oid2=$(git -C "$REPO" rev-parse $2) &&
echo "s/$oid1/$oid2/" >"$HTTPD_ROOT_PATH/one-time-perl"
}
test_expect_success 'server is initially ahead - no ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant false &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency main $(test_oid numeric) &&
test_must_fail git -C local fetch 2>err &&
test_grep "fatal: remote error: upload-pack: not our ref" err
'
test_expect_success 'server is initially ahead - ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant true &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency main $(test_oid numeric) &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify main >expected &&
git -C local rev-parse --verify refs/remotes/origin/main >actual &&
test_cmp expected actual
'
test_expect_success 'server is initially behind - no ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant false &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency main "main^" &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify "main^" >expected &&
git -C local rev-parse --verify refs/remotes/origin/main >actual &&
test_cmp expected actual
'
test_expect_success 'server is initially behind - ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant true &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency main "main^" &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify "main" >expected &&
git -C local rev-parse --verify refs/remotes/origin/main >actual &&
test_cmp expected actual
'
test_expect_success 'server loses a ref - ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant true &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
echo "s/main/rain/" >"$HTTPD_ROOT_PATH/one-time-perl" &&
test_must_fail git -C local fetch 2>err &&
test_grep "fatal: remote error: unknown ref refs/heads/rain" 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
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