378 lines
9.5 KiB
Bash
Executable File
378 lines
9.5 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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sed -n -e '/packfile/,/0000/{
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/packfile/d
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p
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}' <out | test-tool pkt-line unpack-sideband >o.pack &&
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git index-pack o.pack &&
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git verify-pack -v o.idx | grep commit | cut -c-40 | sort >actual_commits
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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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test_cmp expected_commits actual_commits
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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(master)
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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 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 master &&
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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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git serve --advertise-capabilities >out &&
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! grep -a ref-in-want out &&
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git config uploadpack.allowRefInWant false &&
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git serve --advertise-capabilities >out &&
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! grep -a ref-in-want out &&
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git config uploadpack.allowRefInWant true &&
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git serve --advertise-capabilities >out &&
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grep -a ref-in-want out
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'
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test_expect_success 'invalid want-ref line' '
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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0001
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no-progress
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want-ref refs/heads/non-existent
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done
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0000
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EOF
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test_must_fail git serve --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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cat >expected_refs <<-EOF &&
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$(git rev-parse f) refs/heads/master
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EOF
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git rev-parse f | sort >expected_commits &&
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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0001
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no-progress
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want-ref refs/heads/master
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have $(git rev-parse a)
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done
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0000
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EOF
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git serve --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'multiple want-ref lines' '
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cat >expected_refs <<-EOF &&
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$(git rev-parse c) refs/heads/o/foo
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$(git rev-parse d) refs/heads/o/bar
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EOF
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git rev-parse c d | sort >expected_commits &&
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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0001
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no-progress
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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 $(git rev-parse b)
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done
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0000
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EOF
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git serve --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'mix want and want-ref' '
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cat >expected_refs <<-EOF &&
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$(git rev-parse f) refs/heads/master
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EOF
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git rev-parse e f | sort >expected_commits &&
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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0001
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no-progress
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want-ref refs/heads/master
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want $(git rev-parse e)
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have $(git rev-parse a)
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done
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0000
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EOF
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git serve --stateless-rpc >out <in &&
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check_output
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'
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test_expect_success 'want-ref with ref we already have commit for' '
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cat >expected_refs <<-EOF &&
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$(git rev-parse c) refs/heads/o/foo
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EOF
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>expected_commits &&
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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0001
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no-progress
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want-ref refs/heads/o/foo
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have $(git rev-parse c)
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done
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0000
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EOF
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git serve --stateless-rpc >out <in &&
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check_output
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'
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. "$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 "$REPO" &&
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cd "$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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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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for i in $(test_seq 1 33); do test_commit s$i; done &&
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# Add novel commits to upstream
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git checkout master &&
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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:$LIB_HTTPD_PORT/one_time_sed/repo" &&
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git -C "$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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# $1. This corresponds to the real-life situation where the server's
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# repository appears to change during negotiation, for example, when
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# different servers in a load-balancing arrangement serve (stateless)
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# RPCs during a single negotiation.
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printf "s/%s/%s/" \
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$(git -C "$REPO" rev-parse $1 | tr -d "\n") \
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$(git -C "$REPO" rev-parse $2 | tr -d "\n") \
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>"$HTTPD_ROOT_PATH/one-time-sed"
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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 master 1234567890123456789012345678901234567890 &&
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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 master 1234567890123456789012345678901234567890 &&
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git -C local fetch &&
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git -C "$REPO" rev-parse --verify master >expected &&
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git -C local rev-parse --verify refs/remotes/origin/master >actual &&
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test_cmp expected actual
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'
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test_expect_success 'server is initially behind - no ref in want' '
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git -C "$REPO" config uploadpack.allowRefInWant false &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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inconsistency master "master^" &&
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git -C local fetch &&
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git -C "$REPO" rev-parse --verify "master^" >expected &&
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git -C local rev-parse --verify refs/remotes/origin/master >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 "$REPO" config uploadpack.allowRefInWant true &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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inconsistency master "master^" &&
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git -C local fetch &&
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git -C "$REPO" rev-parse --verify "master" >expected &&
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git -C local rev-parse --verify refs/remotes/origin/master >actual &&
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test_cmp expected actual
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'
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test_expect_success 'server loses a ref - ref in want' '
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git -C "$REPO" config uploadpack.allowRefInWant true &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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echo "s/master/raster/" >"$HTTPD_ROOT_PATH/one-time-sed" &&
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test_must_fail git -C local fetch 2>err &&
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test_i18ngrep "fatal: remote error: unknown ref refs/heads/raster" err
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'
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stop_httpd
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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(master)
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# \__ | __/
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# \ | /
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# a
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#
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# $LOCAL_PRISTINE
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# s32(side)
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# |
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# .
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# .
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# |
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# a(master)
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test_expect_success 'setup repos for fetching with ref-in-want tests' '
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(
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git init "$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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for i in $(test_seq 1 33); do test_commit s$i; done &&
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# Add novel commits to upstream
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git checkout master &&
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cd "$REPO" &&
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git checkout -b o/foo &&
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test_commit b &&
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test_commit c &&
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git checkout -b o/bar b &&
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test_commit d &&
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git checkout -b baz a &&
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test_commit e &&
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git checkout master &&
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test_commit f
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) &&
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git -C "$REPO" config uploadpack.allowRefInWant true &&
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git -C "$LOCAL_PRISTINE" config protocol.version 2
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'
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test_expect_success 'fetching with exact OID' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
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$(git -C "$REPO" rev-parse d):refs/heads/actual &&
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git -C "$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 $(git -C "$REPO" rev-parse d)" 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 master baz &&
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git -C "$REPO" rev-parse "master" "baz" >expected &&
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git -C local rev-parse refs/remotes/origin/master refs/remotes/origin/baz >actual &&
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test_cmp expected actual &&
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grep "want-ref refs/heads/master" log &&
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grep "want-ref refs/heads/baz" log
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'
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test_expect_success 'fetching ref and exact OID' '
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test_when_finished "rm -f log" &&
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rm -rf local &&
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cp -r "$LOCAL_PRISTINE" local &&
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GIT_TRACE_PACKET="$(pwd)/log" git -C local fetch origin \
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master $(git -C "$REPO" rev-parse b):refs/heads/actual &&
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git -C "$REPO" rev-parse "master" "b" >expected &&
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git -C local rev-parse refs/remotes/origin/master refs/heads/actual >actual &&
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test_cmp expected actual &&
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grep "want $(git -C "$REPO" rev-parse b)" log &&
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grep "want-ref refs/heads/master" 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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test_done
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