540 lines
14 KiB
Bash
Executable File
540 lines
14 KiB
Bash
Executable File
#!/bin/sh
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test_description='upload-pack ref-in-want'
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. ./test-lib.sh
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get_actual_refs () {
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sed -n -e '/wanted-refs/,/0001/{
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/wanted-refs/d
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/0001/d
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p
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}' <out | test-tool pkt-line unpack >actual_refs
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}
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get_actual_commits () {
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test-tool pkt-line unpack-sideband <out >o.pack &&
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git index-pack o.pack &&
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git verify-pack -v o.idx >objs &&
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sed -n -e 's/\([0-9a-f][0-9a-f]*\) commit .*/\1/p' objs >objs.sed &&
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sort >actual_commits <objs.sed
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}
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check_output () {
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get_actual_refs &&
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test_cmp expected_refs actual_refs &&
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get_actual_commits &&
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sort expected_commits >sorted_commits &&
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test_cmp sorted_commits actual_commits
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}
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write_command () {
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echo "command=$1"
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if test "$(test_oid algo)" != sha1
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then
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echo "object-format=$(test_oid algo)"
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fi
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}
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# Write a complete fetch command to stdout, suitable for use with `test-tool
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# pkt-line`. "want-ref", "want", and "have" lines are read from stdin.
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#
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# Examples:
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#
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# write_fetch_command <<-EOF
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# want-ref refs/heads/main
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# have $(git rev-parse a)
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# EOF
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#
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# write_fetch_command <<-EOF
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# want $(git rev-parse b)
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# have $(git rev-parse a)
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# EOF
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#
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write_fetch_command () {
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write_command fetch &&
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echo "0001" &&
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echo "no-progress" &&
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cat &&
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echo "done" &&
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echo "0000"
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}
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# c(o/foo) d(o/bar)
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# \ /
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# b e(baz) f(main)
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# \__ | __/
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# \ | /
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# a
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test_expect_success 'setup repository' '
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test_commit a &&
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git branch -M main &&
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git checkout -b o/foo &&
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test_commit b &&
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test_commit c &&
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git checkout -b o/bar b &&
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test_commit d &&
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git checkout -b baz a &&
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test_commit e &&
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git checkout main &&
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test_commit f
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'
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test_expect_success 'config controls ref-in-want advertisement' '
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test-tool serve-v2 --advertise-capabilities >out &&
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perl -ne "/ref-in-want/ and print" out >out.filter &&
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test_must_be_empty out.filter &&
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git config uploadpack.allowRefInWant false &&
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test-tool serve-v2 --advertise-capabilities >out &&
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perl -ne "/ref-in-want/ and print" out >out.filter &&
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test_must_be_empty out.filter &&
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git config uploadpack.allowRefInWant true &&
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test-tool serve-v2 --advertise-capabilities >out &&
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perl -ne "/ref-in-want/ and print" out >out.filter &&
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test_file_not_empty out.filter
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'
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test_expect_success 'invalid want-ref line' '
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write_fetch_command >pkt <<-EOF &&
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want-ref refs/heads/non-existent
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EOF
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test-tool pkt-line pack <pkt >in &&
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test_must_fail test-tool serve-v2 --stateless-rpc 2>out <in &&
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grep "unknown ref" out
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'
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test_expect_success 'basic want-ref' '
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oid=$(git rev-parse f) &&
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cat >expected_refs <<-EOF &&
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$oid refs/heads/main
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EOF
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git rev-parse f >expected_commits &&
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write_fetch_command >pkt <<-EOF &&
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want-ref refs/heads/main
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have $(git rev-parse a)
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'multiple want-ref lines' '
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oid_c=$(git rev-parse c) &&
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oid_d=$(git rev-parse d) &&
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cat >expected_refs <<-EOF &&
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$oid_c refs/heads/o/foo
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$oid_d refs/heads/o/bar
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EOF
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git rev-parse c d >expected_commits &&
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write_fetch_command >pkt <<-EOF &&
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want-ref refs/heads/o/foo
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want-ref refs/heads/o/bar
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have $(git rev-parse b)
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'mix want and want-ref' '
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oid=$(git rev-parse f) &&
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cat >expected_refs <<-EOF &&
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$oid refs/heads/main
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EOF
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git rev-parse e f >expected_commits &&
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write_fetch_command >pkt <<-EOF &&
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want-ref refs/heads/main
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want $(git rev-parse e)
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have $(git rev-parse a)
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'want-ref with ref we already have commit for' '
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oid=$(git rev-parse c) &&
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cat >expected_refs <<-EOF &&
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$oid refs/heads/o/foo
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EOF
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>expected_commits &&
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write_fetch_command >pkt <<-EOF &&
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want-ref refs/heads/o/foo
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have $(git rev-parse c)
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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REPO="$(pwd)/repo"
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LOCAL_PRISTINE="$(pwd)/local_pristine"
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# $REPO
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# c(o/foo) d(o/bar)
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# \ /
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# b e(baz) f(main)
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# \__ | __/
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# \ | /
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# a
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#
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# $LOCAL_PRISTINE
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# s32(side)
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# |
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# .
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# .
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# |
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# a(main)
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test_expect_success 'setup repos for fetching with ref-in-want tests' '
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(
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git init -b main "$REPO" &&
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cd "$REPO" &&
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test_commit a &&
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# Local repo with many commits (so that negotiation will take
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# more than 1 request/response pair)
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rm -rf "$LOCAL_PRISTINE" &&
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git clone "file://$REPO" "$LOCAL_PRISTINE" &&
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cd "$LOCAL_PRISTINE" &&
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git checkout -b side &&
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test_commit_bulk --id=s 33 &&
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# Add novel commits to upstream
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git checkout main &&
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cd "$REPO" &&
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git checkout -b o/foo &&
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test_commit b &&
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test_commit c &&
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git checkout -b o/bar b &&
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test_commit d &&
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git checkout -b baz a &&
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test_commit e &&
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git checkout main &&
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test_commit f
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) &&
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git -C "$REPO" config uploadpack.allowRefInWant true &&
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git -C "$LOCAL_PRISTINE" config protocol.version 2
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'
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test_expect_success 'fetching with exact OID' '
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test_when_finished "rm -f log trace2" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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oid=$(git -C "$REPO" rev-parse d) &&
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GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE2_EVENT="$(pwd)/trace2" \
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git -C local fetch origin \
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"$oid":refs/heads/actual &&
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grep \"key\":\"total_rounds\",\"value\":\"2\" trace2 &&
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git -C "$REPO" rev-parse "d" >expected &&
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git -C local rev-parse refs/heads/actual >actual &&
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test_cmp expected actual &&
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grep "want $oid" log
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'
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test_expect_success 'fetching multiple refs' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin main baz &&
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git -C "$REPO" rev-parse "main" "baz" >expected &&
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git -C local rev-parse refs/remotes/origin/main refs/remotes/origin/baz >actual &&
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test_cmp expected actual &&
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grep "want-ref refs/heads/main" log &&
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grep "want-ref refs/heads/baz" log
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'
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test_expect_success 'fetching ref and exact OID' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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oid=$(git -C "$REPO" rev-parse b) &&
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GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
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main "$oid":refs/heads/actual &&
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git -C "$REPO" rev-parse "main" "b" >expected &&
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git -C local rev-parse refs/remotes/origin/main refs/heads/actual >actual &&
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test_cmp expected actual &&
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grep "want $oid" log &&
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grep "want-ref refs/heads/main" log
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'
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test_expect_success 'fetching with wildcard that does not match any refs' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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git -C local fetch origin refs/heads/none*:refs/heads/* >out &&
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test_must_be_empty out
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'
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test_expect_success 'fetching with wildcard that matches multiple refs' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin refs/heads/o*:refs/heads/o* &&
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git -C "$REPO" rev-parse "o/foo" "o/bar" >expected &&
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git -C local rev-parse "o/foo" "o/bar" >actual &&
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test_cmp expected actual &&
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grep "want-ref refs/heads/o/foo" log &&
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grep "want-ref refs/heads/o/bar" log
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'
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REPO="$(pwd)/repo-ns"
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test_expect_success 'setup namespaced repo' '
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(
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git init -b main "$REPO" &&
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cd "$REPO" &&
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test_commit a &&
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test_commit b &&
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git checkout a &&
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test_commit c &&
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git checkout a &&
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test_commit d &&
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git update-ref refs/heads/ns-no b &&
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git update-ref refs/namespaces/ns/refs/heads/ns-yes c &&
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git update-ref refs/namespaces/ns/refs/heads/hidden d
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) &&
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git -C "$REPO" config uploadpack.allowRefInWant true
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'
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test_expect_success 'with namespace: want-ref is considered relative to namespace' '
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wanted_ref=refs/heads/ns-yes &&
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oid=$(git -C "$REPO" rev-parse "refs/namespaces/ns/$wanted_ref") &&
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cat >expected_refs <<-EOF &&
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$oid $wanted_ref
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EOF
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cat >expected_commits <<-EOF &&
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$oid
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$(git -C "$REPO" rev-parse a)
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EOF
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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GIT_NAMESPACE=ns test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'with namespace: want-ref outside namespace is unknown' '
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wanted_ref=refs/heads/ns-no &&
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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test_must_fail env GIT_NAMESPACE=ns \
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test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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grep "unknown ref" out
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'
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# Cross-check refs/heads/ns-no indeed exists
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test_expect_success 'without namespace: want-ref outside namespace succeeds' '
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wanted_ref=refs/heads/ns-no &&
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oid=$(git -C "$REPO" rev-parse $wanted_ref) &&
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cat >expected_refs <<-EOF &&
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$oid $wanted_ref
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EOF
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cat >expected_commits <<-EOF &&
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$oid
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$(git -C "$REPO" rev-parse a)
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EOF
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'with namespace: hideRefs is matched, relative to namespace' '
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wanted_ref=refs/heads/hidden &&
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git -C "$REPO" config transfer.hideRefs $wanted_ref &&
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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test_must_fail env GIT_NAMESPACE=ns \
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test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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grep "unknown ref" out
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'
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# Cross-check refs/heads/hidden indeed exists
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test_expect_success 'with namespace: want-ref succeeds if hideRefs is removed' '
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wanted_ref=refs/heads/hidden &&
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git -C "$REPO" config --unset transfer.hideRefs $wanted_ref &&
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oid=$(git -C "$REPO" rev-parse "refs/namespaces/ns/$wanted_ref") &&
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cat >expected_refs <<-EOF &&
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$oid $wanted_ref
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EOF
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cat >expected_commits <<-EOF &&
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$oid
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$(git -C "$REPO" rev-parse a)
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EOF
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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GIT_NAMESPACE=ns test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'without namespace: relative hideRefs does not match' '
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wanted_ref=refs/namespaces/ns/refs/heads/hidden &&
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git -C "$REPO" config transfer.hideRefs refs/heads/hidden &&
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oid=$(git -C "$REPO" rev-parse $wanted_ref) &&
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cat >expected_refs <<-EOF &&
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$oid $wanted_ref
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EOF
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cat >expected_commits <<-EOF &&
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$oid
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$(git -C "$REPO" rev-parse a)
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EOF
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write_fetch_command >pkt <<-EOF &&
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want-ref $wanted_ref
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EOF
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test-tool pkt-line pack <pkt >in &&
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test-tool -C "$REPO" serve-v2 --stateless-rpc >out <in &&
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check_output
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'
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo"
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LOCAL_PRISTINE="$(pwd)/local_pristine"
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test_expect_success 'setup repos for change-while-negotiating test' '
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(
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git init -b main "$REPO" &&
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cd "$REPO" &&
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>.git/git-daemon-export-ok &&
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test_commit m1 &&
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git tag -d m1 &&
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# Local repo with many commits (so that negotiation will take
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# more than 1 request/response pair)
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rm -rf "$LOCAL_PRISTINE" &&
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git clone "http://127.0.0.1:$LIB_HTTPD_PORT/smart/repo" "$LOCAL_PRISTINE" &&
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cd "$LOCAL_PRISTINE" &&
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git checkout -b side &&
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test_commit_bulk --id=s 33 &&
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# Add novel commits to upstream
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git checkout main &&
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cd "$REPO" &&
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test_commit m2 &&
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test_commit m3 &&
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git tag -d m2 m3
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) &&
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git -C "$LOCAL_PRISTINE" remote set-url origin "http://127.0.0.1:$LIB_HTTPD_PORT/one_time_perl/repo" &&
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git -C "$LOCAL_PRISTINE" config protocol.version 2
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'
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inconsistency () {
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# Simulate that the server initially reports $2 as the ref
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# corresponding to $1, and after that, $1 as the ref corresponding to
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# $1. This corresponds to the real-life situation where the server's
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# repository appears to change during negotiation, for example, when
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# different servers in a load-balancing arrangement serve (stateless)
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# RPCs during a single negotiation.
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oid1=$(git -C "$REPO" rev-parse $1) &&
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oid2=$(git -C "$REPO" rev-parse $2) &&
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echo "s/$oid1/$oid2/" >"$HTTPD_ROOT_PATH/one-time-perl"
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}
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test_expect_success 'server is initially ahead - no ref in want' '
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git -C "$REPO" config uploadpack.allowRefInWant false &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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inconsistency main $(test_oid numeric) &&
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test_must_fail git -C local fetch 2>err &&
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test_i18ngrep "fatal: remote error: upload-pack: not our ref" err
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'
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test_expect_success 'server is initially ahead - ref in want' '
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git -C "$REPO" config uploadpack.allowRefInWant true &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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inconsistency main $(test_oid numeric) &&
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git -C local fetch &&
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git -C "$REPO" rev-parse --verify main >expected &&
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git -C local rev-parse --verify refs/remotes/origin/main >actual &&
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test_cmp expected actual
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'
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test_expect_success 'server is initially behind - no ref in want' '
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git -C "$REPO" config uploadpack.allowRefInWant false &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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inconsistency main "main^" &&
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git -C local fetch &&
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git -C "$REPO" rev-parse --verify "main^" >expected &&
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git -C local rev-parse --verify refs/remotes/origin/main >actual &&
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test_cmp expected actual
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'
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test_expect_success 'server is initially behind - ref in want' '
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git -C "$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_i18ngrep "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
|