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ccf094788c
The v2 ls-refs command may receive extra arguments from the client, one
per pkt-line. The spec is pretty clear that the arguments must come from
a specified set, but we silently ignore any unknown entries. For a
well-behaved client this doesn't matter, but it makes testing and
debugging more confusing. Let's tighten this up to match the spec.
In theory this liberal behavior _could_ be useful for extending the
protocol. But:
- every other part of the protocol requires that the server first
indicate that it supports the argument; this includes the fetch and
object-info commands, plus the "unborn" capability added to ls-refs
itself
- it's not a very good extension mechanism anyway; without the server
advertising support, clients would have no idea if the argument was
silently ignored, or accepted and simply had no effect
So we're not really losing anything by tightening this.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
345 lines
8.0 KiB
Bash
Executable File
345 lines
8.0 KiB
Bash
Executable File
#!/bin/sh
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test_description='test protocol v2 server commands'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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test_expect_success 'test capability advertisement' '
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test_oid_cache <<-EOF &&
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wrong_algo sha1:sha256
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wrong_algo sha256:sha1
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EOF
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cat >expect <<-EOF &&
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version 2
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agent=git/$(git version | cut -d" " -f3)
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ls-refs=unborn
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fetch=shallow wait-for-done
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server-option
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object-format=$(test_oid algo)
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object-info
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0000
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EOF
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GIT_TEST_SIDEBAND_ALL=0 test-tool serve-v2 \
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--advertise-capabilities >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'stateless-rpc flag does not list capabilities' '
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# Empty request
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test-tool pkt-line pack >in <<-EOF &&
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0000
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EOF
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test-tool serve-v2 --stateless-rpc >out <in &&
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test_must_be_empty out &&
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# EOF
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test-tool serve-v2 --stateless-rpc >out &&
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test_must_be_empty out
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'
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test_expect_success 'request invalid capability' '
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test-tool pkt-line pack >in <<-EOF &&
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foobar
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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test_i18ngrep "unknown capability" err
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'
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test_expect_success 'request with no command' '
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test-tool pkt-line pack >in <<-EOF &&
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agent=git/test
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object-format=$(test_oid algo)
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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test_i18ngrep "no command requested" err
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'
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test_expect_success 'request invalid command' '
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test-tool pkt-line pack >in <<-EOF &&
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command=foo
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object-format=$(test_oid algo)
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agent=git/test
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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test_i18ngrep "invalid command" err
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'
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test_expect_success 'request capability as command' '
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test-tool pkt-line pack >in <<-EOF &&
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command=agent
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object-format=$(test_oid algo)
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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grep invalid.command.*agent err
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'
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test_expect_success 'request command as capability' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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fetch
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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grep unknown.capability err
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'
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test_expect_success 'requested command is command=value' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs=whatever
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object-format=$(test_oid algo)
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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grep invalid.command.*ls-refs=whatever err
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'
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test_expect_success 'wrong object-format' '
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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agent=git/test
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object-format=$(test_oid wrong_algo)
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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test_i18ngrep "mismatched object format" err
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'
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# Test the basics of ls-refs
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#
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test_expect_success 'setup some refs and tags' '
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test_commit one &&
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git branch dev main &&
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test_commit two &&
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git symbolic-ref refs/heads/release refs/heads/main &&
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git tag -a -m "annotated tag" annotated-tag
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'
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test_expect_success 'basics of ls-refs' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse HEAD) HEAD
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$(git rev-parse refs/heads/dev) refs/heads/dev
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$(git rev-parse refs/heads/main) refs/heads/main
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$(git rev-parse refs/heads/release) refs/heads/release
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$(git rev-parse refs/tags/annotated-tag) refs/tags/annotated-tag
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$(git rev-parse refs/tags/one) refs/tags/one
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$(git rev-parse refs/tags/two) refs/tags/two
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'ls-refs complains about unknown options' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0001
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no-such-arg
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0000
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EOF
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test_must_fail test-tool serve-v2 --stateless-rpc 2>err <in &&
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grep unexpected.line.*no-such-arg err
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'
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test_expect_success 'basic ref-prefixes' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0001
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ref-prefix refs/heads/main
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ref-prefix refs/tags/one
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse refs/heads/main) refs/heads/main
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$(git rev-parse refs/tags/one) refs/tags/one
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'refs/heads prefix' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0001
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ref-prefix refs/heads/
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse refs/heads/dev) refs/heads/dev
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$(git rev-parse refs/heads/main) refs/heads/main
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$(git rev-parse refs/heads/release) refs/heads/release
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'ignore very large set of prefixes' '
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# generate a large number of ref-prefixes that we expect
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# to match nothing; the value here exceeds TOO_MANY_PREFIXES
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# from ls-refs.c.
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{
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echo command=ls-refs &&
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echo object-format=$(test_oid algo) &&
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echo 0001 &&
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perl -le "print \"ref-prefix refs/heads/\$_\" for (1..65536)" &&
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echo 0000
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} |
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test-tool pkt-line pack >in &&
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# and then confirm that we see unmatched prefixes anyway (i.e.,
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# that the prefix was not applied).
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cat >expect <<-EOF &&
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$(git rev-parse HEAD) HEAD
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$(git rev-parse refs/heads/dev) refs/heads/dev
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$(git rev-parse refs/heads/main) refs/heads/main
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$(git rev-parse refs/heads/release) refs/heads/release
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$(git rev-parse refs/tags/annotated-tag) refs/tags/annotated-tag
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$(git rev-parse refs/tags/one) refs/tags/one
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$(git rev-parse refs/tags/two) refs/tags/two
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'peel parameter' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0001
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peel
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ref-prefix refs/tags/
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse refs/tags/annotated-tag) refs/tags/annotated-tag peeled:$(git rev-parse refs/tags/annotated-tag^{})
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$(git rev-parse refs/tags/one) refs/tags/one
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$(git rev-parse refs/tags/two) refs/tags/two
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'symrefs parameter' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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0001
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symrefs
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ref-prefix refs/heads/
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse refs/heads/dev) refs/heads/dev
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$(git rev-parse refs/heads/main) refs/heads/main
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$(git rev-parse refs/heads/release) refs/heads/release symref-target:refs/heads/main
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'sending server-options' '
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test-tool pkt-line pack >in <<-EOF &&
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command=ls-refs
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object-format=$(test_oid algo)
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server-option=hello
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server-option=world
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0001
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ref-prefix HEAD
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0000
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EOF
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cat >expect <<-EOF &&
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$(git rev-parse HEAD) HEAD
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_expect_success 'unexpected lines are not allowed in fetch request' '
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git init server &&
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test-tool pkt-line pack >in <<-EOF &&
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command=fetch
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object-format=$(test_oid algo)
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0001
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this-is-not-a-command
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0000
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EOF
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(
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cd server &&
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test_must_fail test-tool serve-v2 --stateless-rpc
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) <in >/dev/null 2>err &&
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grep "unexpected line: .this-is-not-a-command." err
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'
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# Test the basics of object-info
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#
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test_expect_success 'basics of object-info' '
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test-tool pkt-line pack >in <<-EOF &&
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command=object-info
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object-format=$(test_oid algo)
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0001
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size
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oid $(git rev-parse two:two.t)
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oid $(git rev-parse two:two.t)
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0000
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EOF
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cat >expect <<-EOF &&
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size
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$(git rev-parse two:two.t) $(wc -c <two.t | xargs)
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$(git rev-parse two:two.t) $(wc -c <two.t | xargs)
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0000
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EOF
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test-tool serve-v2 --stateless-rpc <in >out &&
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test-tool pkt-line unpack <out >actual &&
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test_cmp expect actual
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'
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test_done
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