git/t/t5703-upload-pack-ref-in-want.sh
Junio C Hamano 12210859da Merge branch 'bc/sha-256-part-2'
SHA-256 migration work continues.

* bc/sha-256-part-2: (44 commits)
  remote-testgit: adapt for object-format
  bundle: detect hash algorithm when reading refs
  t5300: pass --object-format to git index-pack
  t5704: send object-format capability with SHA-256
  t5703: use object-format serve option
  t5702: offer an object-format capability in the test
  t/helper: initialize the repository for test-sha1-array
  remote-curl: avoid truncating refs with ls-remote
  t1050: pass algorithm to index-pack when outside repo
  builtin/index-pack: add option to specify hash algorithm
  remote-curl: detect algorithm for dumb HTTP by size
  builtin/ls-remote: initialize repository based on fetch
  t5500: make hash independent
  serve: advertise object-format capability for protocol v2
  connect: parse v2 refs with correct hash algorithm
  connect: pass full packet reader when parsing v2 refs
  Documentation/technical: document object-format for protocol v2
  t1302: expect repo format version 1 for SHA-256
  builtin/show-index: provide options to determine hash algo
  t5302: modernize test formatting
  ...
2020-07-06 22:09:13 -07:00

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#!/bin/sh
test_description='upload-pack ref-in-want'
. ./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 &&
grep commit objs | cut -d" " -f1 | sort >actual_commits
}
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
}
# c(o/foo) d(o/bar)
# \ /
# b e(baz) f(master)
# \__ | __/
# \ | /
# a
test_expect_success 'setup repository' '
test_oid_init &&
test_commit a &&
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 master &&
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' '
test-tool pkt-line pack >in <<-EOF &&
$(write_command fetch)
0001
no-progress
want-ref refs/heads/non-existent
done
0000
EOF
test_must_fail test-tool serve-v2 --stateless-rpc 2>out <in &&
grep "unknown ref" out
'
test_expect_success 'basic want-ref' '
oid=$(git rev-parse f) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/master
EOF
git rev-parse f >expected_commits &&
oid=$(git rev-parse a) &&
test-tool pkt-line pack >in <<-EOF &&
$(write_command fetch)
0001
no-progress
want-ref refs/heads/master
have $oid
done
0000
EOF
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'multiple want-ref lines' '
oid_c=$(git rev-parse c) &&
oid_d=$(git rev-parse d) &&
cat >expected_refs <<-EOF &&
$oid_c refs/heads/o/foo
$oid_d refs/heads/o/bar
EOF
git rev-parse c d >expected_commits &&
oid=$(git rev-parse b) &&
test-tool pkt-line pack >in <<-EOF &&
$(write_command fetch)
0001
no-progress
want-ref refs/heads/o/foo
want-ref refs/heads/o/bar
have $oid
done
0000
EOF
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'mix want and want-ref' '
oid=$(git rev-parse f) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/master
EOF
git rev-parse e f >expected_commits &&
test-tool pkt-line pack >in <<-EOF &&
$(write_command fetch)
0001
no-progress
want-ref refs/heads/master
want $(git rev-parse e)
have $(git rev-parse a)
done
0000
EOF
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
test_expect_success 'want-ref with ref we already have commit for' '
oid=$(git rev-parse c) &&
cat >expected_refs <<-EOF &&
$oid refs/heads/o/foo
EOF
>expected_commits &&
oid=$(git rev-parse c) &&
test-tool pkt-line pack >in <<-EOF &&
$(write_command fetch)
0001
no-progress
want-ref refs/heads/o/foo
have $oid
done
0000
EOF
test-tool serve-v2 --stateless-rpc >out <in &&
check_output
'
REPO="$(pwd)/repo"
LOCAL_PRISTINE="$(pwd)/local_pristine"
# $REPO
# c(o/foo) d(o/bar)
# \ /
# b e(baz) f(master)
# \__ | __/
# \ | /
# a
#
# $LOCAL_PRISTINE
# s32(side)
# |
# .
# .
# |
# a(master)
test_expect_success 'setup repos for fetching with ref-in-want tests' '
(
git init "$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 "$LOCAL_PRISTINE" &&
git checkout -b side &&
test_commit_bulk --id=s 33 &&
# Add novel commits to upstream
git checkout master &&
cd "$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 master &&
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" &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
oid=$(git -C "$REPO" rev-parse d) &&
GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
"$oid":refs/heads/actual &&
git -C "$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="$(pwd)/log" git -C local fetch origin master baz &&
git -C "$REPO" rev-parse "master" "baz" >expected &&
git -C local rev-parse refs/remotes/origin/master refs/remotes/origin/baz >actual &&
test_cmp expected actual &&
grep "want-ref refs/heads/master" 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 \
master "$oid":refs/heads/actual &&
git -C "$REPO" rev-parse "master" "b" >expected &&
git -C local rev-parse refs/remotes/origin/master refs/heads/actual >actual &&
test_cmp expected actual &&
grep "want $oid" log &&
grep "want-ref refs/heads/master" log
'
test_expect_success 'fetching with wildcard that does not match any refs' '
test_when_finished "rm -f log" &&
rm -rf local &&
cp -r "$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 "$REPO" rev-parse "o/foo" "o/bar" >expected &&
git -C local rev-parse "o/foo" "o/bar" >actual &&
test_cmp expected actual &&
grep "want-ref refs/heads/o/foo" log &&
grep "want-ref refs/heads/o/bar" log
'
. "$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 "$REPO" &&
cd "$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 master &&
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 master $(test_oid numeric) &&
test_must_fail git -C local fetch 2>err &&
test_i18ngrep "fatal: remote error: upload-pack: not our ref" err
'
test_expect_success 'server is initially ahead - ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant true &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency master $(test_oid numeric) &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify master >expected &&
git -C local rev-parse --verify refs/remotes/origin/master >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 master "master^" &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify "master^" >expected &&
git -C local rev-parse --verify refs/remotes/origin/master >actual &&
test_cmp expected actual
'
test_expect_success 'server is initially behind - ref in want' '
git -C "$REPO" config uploadpack.allowRefInWant true &&
rm -rf local &&
cp -r "$LOCAL_PRISTINE" local &&
inconsistency master "master^" &&
git -C local fetch &&
git -C "$REPO" rev-parse --verify "master" >expected &&
git -C local rev-parse --verify refs/remotes/origin/master >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/master/raster/" >"$HTTPD_ROOT_PATH/one-time-perl" &&
test_must_fail git -C local fetch 2>err &&
test_i18ngrep "fatal: remote error: unknown ref refs/heads/raster" 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