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ls-refs: introduce ls-refs server command

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Introduce the ls-refs server command.  In protocol v2, the ls-refs
command is used to request the ref advertisement from the server.  Since
it is a command which can be requested (as opposed to mandatory in v1),
a client can sent a number of parameters in its request to limit the ref
advertisement based on provided ref-prefixes.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams
2018-03-15 10:31:20 -07:00
committed by Junio C Hamano
parent ed10cb952d
commit 72d0ea0056
6 changed files with 261 additions and 0 deletions
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115
t/t5701-git-serve.sh
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@ -8,6 +8,7 @@ test_expect_success 'test capability advertisement' '
cat >expect <<-EOF &&
version 2
agent=git/$(git version | cut -d" " -f3)
ls-refs
0000
EOF
@ -57,4 +58,118 @@ test_expect_success 'request invalid command' '
test_i18ngrep "invalid command" err
'
# Test the basics of ls-refs
#
test_expect_success 'setup some refs and tags' '
test_commit one &&
git branch dev master &&
test_commit two &&
git symbolic-ref refs/heads/release refs/heads/master &&
git tag -a -m "annotated tag" annotated-tag
'
test_expect_success 'basics of ls-refs' '
test-pkt-line pack >in <<-EOF &&
command=ls-refs
0000
EOF
cat >expect <<-EOF &&
$(git rev-parse HEAD) HEAD
$(git rev-parse refs/heads/dev) refs/heads/dev
$(git rev-parse refs/heads/master) refs/heads/master
$(git rev-parse refs/heads/release) refs/heads/release
$(git rev-parse refs/tags/annotated-tag) refs/tags/annotated-tag
$(git rev-parse refs/tags/one) refs/tags/one
$(git rev-parse refs/tags/two) refs/tags/two
0000
EOF
git serve --stateless-rpc <in >out &&
test-pkt-line unpack <out >actual &&
test_cmp actual expect
'
test_expect_success 'basic ref-prefixes' '
test-pkt-line pack >in <<-EOF &&
command=ls-refs
0001
ref-prefix refs/heads/master
ref-prefix refs/tags/one
0000
EOF
cat >expect <<-EOF &&
$(git rev-parse refs/heads/master) refs/heads/master
$(git rev-parse refs/tags/one) refs/tags/one
0000
EOF
git serve --stateless-rpc <in >out &&
test-pkt-line unpack <out >actual &&
test_cmp actual expect
'
test_expect_success 'refs/heads prefix' '
test-pkt-line pack >in <<-EOF &&
command=ls-refs
0001
ref-prefix refs/heads/
0000
EOF
cat >expect <<-EOF &&
$(git rev-parse refs/heads/dev) refs/heads/dev
$(git rev-parse refs/heads/master) refs/heads/master
$(git rev-parse refs/heads/release) refs/heads/release
0000
EOF
git serve --stateless-rpc <in >out &&
test-pkt-line unpack <out >actual &&
test_cmp actual expect
'
test_expect_success 'peel parameter' '
test-pkt-line pack >in <<-EOF &&
command=ls-refs
0001
peel
ref-prefix refs/tags/
0000
EOF
cat >expect <<-EOF &&
$(git rev-parse refs/tags/annotated-tag) refs/tags/annotated-tag peeled:$(git rev-parse refs/tags/annotated-tag^{})
$(git rev-parse refs/tags/one) refs/tags/one
$(git rev-parse refs/tags/two) refs/tags/two
0000
EOF
git serve --stateless-rpc <in >out &&
test-pkt-line unpack <out >actual &&
test_cmp actual expect
'
test_expect_success 'symrefs parameter' '
test-pkt-line pack >in <<-EOF &&
command=ls-refs
0001
symrefs
ref-prefix refs/heads/
0000
EOF
cat >expect <<-EOF &&
$(git rev-parse refs/heads/dev) refs/heads/dev
$(git rev-parse refs/heads/master) refs/heads/master
$(git rev-parse refs/heads/release) refs/heads/release symref-target:refs/heads/master
0000
EOF
git serve --stateless-rpc <in >out &&
test-pkt-line unpack <out >actual &&
test_cmp actual expect
'
test_done