Re: [PATCH 2/2] fetch: send "refs/tags/" prefix upon CLI refspecs
On 06/05, Jonathan Tan wrote:
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> When performing tag following, in addition to using the server's
> "include-tag" capability to send tag objects (and emulating it if the
> server does not support that capability), "git fetch" relies upon the
> presence of refs/tags/* entries in the initial ref advertisement to
> locally create refs pointing to the aforementioned tag objects. When
> using protocol v2, refs/tags/* entries in the initial ref advertisement
> may be suppressed by a ref-prefix argument, leading to the tag object
> being downloaded, but the ref not being created.
>
> Commit dcc73cf7ff ("fetch: generate ref-prefixes when using a configured
> refspec", 2018-05-18) ensured that "refs/tags/" is always sent as a ref
> prefix when "git fetch" is invoked with no refspecs, but not when "git
> fetch" is invoked with refspecs. Extend that functionality to make it
> work in both situations.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>Test t5702-protocol-v2.sh doesn't pass with this patch.
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> ---
> builtin/fetch.c | 2 +-
> t/t5702-protocol-v2.sh | 18 ++++++++++++++++++
> 2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/builtin/fetch.c b/builtin/fetch.c
> index ea5b9669a..1f447f1e8 100644
> --- a/builtin/fetch.c
> +++ b/builtin/fetch.c
> @@ -359,7 +359,7 @@ static struct ref *get_ref_map(struct transport *transport,
> refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes);
>
> if (ref_prefixes.argc &&
> - (tags == TAGS_SET || (tags == TAGS_DEFAULT && !rs->nr))) {
> + (tags == TAGS_SET || tags == TAGS_DEFAULT)) {
> argv_array_push(&ref_prefixes, "refs/tags/");
> }
>
> diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
> index 261e82b0f..6733579c1 100755
> --- a/t/t5702-protocol-v2.sh
> +++ b/t/t5702-protocol-v2.sh
> @@ -406,6 +406,24 @@ test_expect_success 'fetch supports various ways of have lines' '
> $(git -C server rev-parse completely-unrelated)
> '
>
> +test_expect_success 'fetch supports include-tag and tag following' '
> + rm -rf server client trace &&
> + git init server &&
> +
> + test_commit -C server to_fetch &&
> + git -C server tag -a annotated_tag -m message &&
> +
> + git init client &&
> + GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
> + fetch "$(pwd)/server" to_fetch:to_fetch &&
> +
> + grep "fetch> ref-prefix to_fetch" trace &&
> + grep "fetch> ref-prefix refs/tags/" trace &&
> + grep "fetch> include-tag" trace &&
> +
> + git -C client cat-file -e $(git -C client rev-parse annotated_tag)
> +'
> +
> # Test protocol v2 with 'http://' transport
> #
> . "$TEST_DIRECTORY"/lib-httpd.sh
> --
> 2.17.0.768.g1526ddbba1.dirty
> --
Brandon Williams