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Commit e70a3030e7 ("fetch: do not list refs if fetching only hashes",
2018-10-07) and its ancestors taught Git, as an optimization, to skip
the ls-refs step when it is not necessary during a protocol v2 fetch
(for example, when lazy fetching a missing object in a partial clone, or
when running "git fetch --no-tags <remote> <SHA-1>"). But that was only
done for natively supported protocols; in particular, HTTP was not
supported.
Teach Git to skip ls-refs when using remote helpers that support connect
or stateless-connect. To do this, fetch() is made an acceptable entry
point. Because fetch() can now be the first function in the vtable
called, "get_helper(transport);" has to be added to the beginning of
that function to set the transport up (if not yet set up) before
process_connect() is invoked.
When fetch() is called, the transport could be taken over (this happens
if "connect" or "stateless-connect" is successfully run without any
"fallback" response), or not. If the transport is taken over, execution
continues like execution for natively supported protocols
(fetch_refs_via_pack() is executed, which will fetch refs using ls-refs
if needed). If not, the remote helper interface will invoke
get_refs_list() if it hasn't been invoked yet, preserving existing
behavior.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a couple of test scripts that are not completely
httpd-specific, but do run a few httpd-specific tests at the end.
These test scripts source 'lib-httpd.sh' somewhere mid-script, which
then skips all the rest of the test script if the dependencies for
running httpd tests are not fulfilled.
As the previous two patches in this series show, already on two
occasions non-httpd-specific tests were appended at the end of such
test scripts, and, consequently, they were skipped as well when httpd
tests couldn't be run.
Add a comment at the end of these test scripts to warn against adding
non-httpd-specific tests at the end, in the hope that they will help
prevent similar issues in the future.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are two loops that create 32 commits each using test_commit. Using
test_commit_bulk speeds this up from:
Benchmark #1: ./t5702-protocol-v2.sh --root=/var/ram/git-tests
Time (mean ± σ): 5.409 s ± 0.513 s [User: 2.382 s, System: 2.466 s]
Range (min … max): 4.633 s … 5.927 s 10 runs
to:
Benchmark #1: ./t5702-protocol-v2.sh --root=/var/ram/git-tests
Time (mean ± σ): 3.956 s ± 0.242 s [User: 1.775 s, System: 1.627 s]
Range (min … max): 3.449 s … 4.239 s 10 runs
for an average savings of over 25%.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"make check-docs", "git help -a", etc. did not account for cases
where a particular build may deliberately omit some subcommands,
which has been corrected.
* js/misc-doc-fixes:
Turn `git serve` into a test helper
test-tool: handle the `-C <directory>` option just like `git`
check-docs: do not bother checking for legacy scripts' documentation
docs: exclude documentation for commands that have been excluded
check-docs: allow command-list.txt to contain excluded commands
help -a: do not list commands that are excluded from the build
Makefile: drop the NO_INSTALL variable
remote-testgit: move it into the support directory for t5801
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"git clone" learned a new --server-option option when talking over
the protocol version 2.
* jt/clone-server-option:
clone: send server options when using protocol v2
transport: die if server options are unsupported
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The `git serve` built-in was introduced in ed10cb952d31 (serve:
introduce git-serve, 2018-03-15) as a backend to serve Git protocol v2,
probably originally intended to be spawned by `git upload-pack`.
However, in the version that the protocol v2 patches made it into core
Git, `git upload-pack` calls the `serve()` function directly instead of
spawning `git serve`; The only reason in life for `git serve` to survive
as a built-in command is to provide a way to test the protocol v2
functionality.
Meaning that it does not even have to be a built-in that is installed
with end-user facing Git installations, but it can be a test helper
instead.
Let's make it so.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 5e3548ef16 ("fetch: send server options when using protocol v2",
2018-04-24) taught "fetch" the ability to send server options when using
protocol v2, but not "clone". This ability is triggered by "-o" or
"--server-option".
Teach "clone" the same ability, except that because "clone" already
has "-o" for another parameter, teach "clone" only to receive
"--server-option".
Explain in the documentation, both for clone and for fetch, that server
handling of server options are server-specific. This is similar to
receive-pack's handling of push options - currently, they are just sent
to hooks to interpret as they see fit.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Server options were added in commit 5e3548ef16 ("fetch: send server
options when using protocol v2", 2018-04-24), supported only for
protocol version 2. But if the user specifies server options, and the
protocol version being used doesn't support them, the server options are
silently ignored.
Teach any transport users to die instead in this situation, just like
how "push" dies if push options are provided when the server doesn't
support them.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use 'test_atexit' to run cleanup commands to stop httpd at the end of
the test script or upon interrupt or failure, as it is shorter,
simpler, and more robust than registering such cleanup commands in the
trap on EXIT in the test scripts.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When transmitting and receiving POSTs for protocol v0 and v1,
remote-curl uses post_rpc() (and associated functions), but when doing
the same for protocol v2, it uses a separate set of functions
(proxy_rpc() and others). Besides duplication of code, this has caused
at least one bug: the auth retry mechanism that was implemented in v0/v1
was not implemented in v2.
To fix this issue and avoid it in the future, make remote-curl also use
post_rpc() when handling protocol v2. Because line lengths are written
to the HTTP request in protocol v2 (unlike in protocol v0/v1), this
necessitates changes in post_rpc() and some of the functions it uses;
perform these changes too.
A test has been included to ensure that the code for both the unchunked
and chunked variants of the HTTP request is exercised.
Note: stateless_connect() has been updated to use the lower-level packet
reading functions instead of struct packet_reader. The low-level control
is necessary here because we cannot change the destination buffer of
struct packet_reader while it is being used; struct packet_buffer has a
peeking mechanism which relies on the destination buffer being present
in between a peek and a read.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix namespace support in protocol v2.
* jt/namespaced-ls-refs-fix:
ls-refs: filter refs using namespace-stripped name
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"git fetch" and "git upload-pack" learned to send all exchange over
the sideband channel while talking the v2 protocol.
* jt/fetch-v2-sideband:
tests: define GIT_TEST_SIDEBAND_ALL
{fetch,upload}-pack: sideband v2 fetch response
sideband: reverse its dependency on pkt-line
pkt-line: introduce struct packet_writer
pack-protocol.txt: accept error packets in any context
Use packet_reader instead of packet_read_line
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If a user fetches refs/heads/master from a repo with namespace "ns", the
remote is expected to (1) not send the real refs/heads/master, and (2)
send refs/namespaces/ns/refs/heads/master with the name
refs/heads/master. (1) indeed happens now, but not (2) - Git only sends
refs that have the user-given prefix, but it checks them against the
full name of the ref (the one starting with refs/namespaces), and not
the namespace-stripped one.
This is demonstrated by the patch in the test. Currently, it results in
"fatal: couldn't find remote ref refs/heads/master" despite both
unnamespaced and namespaced master being present. With the code change,
it produces the expected result.
Check the ref prefixes against the namespace-stripped name.
This bug was discovered through applying patches [1] that override
protocol.version to 2 in repositories when running tests, allowing us to
notice differences in behavior across different protocol versions.
[1] https://public-inbox.org/git/cover.1547677183.git.jonathantanmy@google.com/
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Define a GIT_TEST_SIDEBAND_ALL environment variable meant to be used
from tests. When set to true, this overrides uploadpack.allowsidebandall
to true, allowing the entire test suite to be run as if this
configuration is in place for all repositories.
As of this patch, all tests pass whether GIT_TEST_SIDEBAND_ALL is unset
or set to 1.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 685fbd3291 ("fetch-pack: perform a fetch using v2", 2018-03-15)
attempted to teach Git deepen-relative in protocol v2 (among other
things), but it didn't work:
(1) fetch-pack.c needs to emit "deepen-relative".
(2) upload-pack.c needs to ensure that the correct deepen_relative
variable is passed to deepen() (there are two - the static variable
and the one in struct upload_pack_data).
(3) Before deepen() computes the list of reachable shallows, it first
needs to mark all "our" refs as OUR_REF. v2 currently does not do
this, because unlike v0, it is not needed otherwise.
Fix all this and include a test demonstrating that it works now. For
(2), the static variable deepen_relative is also eliminated, removing a
source of confusion.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When fetching using protocol v2, the remote may send a "shallow-info"
section if the client is shallow. If so, Git as the client currently
takes the shallow file lock, even if the "shallow-info" section is
empty.
This is not a problem except that Git does not support taking the
shallow file lock after modifying the shallow file, because
is_repository_shallow() stores information that is never cleared. And
this take-after-modify occurs when Git does a tag-following fetch from a
shallow repository on a transport that does not support tag following
(since in this case, 2 fetches are performed).
To solve this issue, take the shallow file lock (and perform all other
shallow processing) only if the "shallow-info" section is non-empty;
otherwise, behave as if it were empty.
A full solution (probably, ensuring that any action of committing
shallow file locks also includes clearing the information stored by
is_repository_shallow()) would solve the issue without need for this
patch, but this patch is independently useful (as an optimization to
prevent writing a file in an unnecessary case), hence why I wrote it. I
have included a NEEDSWORK outlining the full solution.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git fetch" was a bit loose in parsing resposes from the other side
when talking over the protocol v2.
* jt/tighten-fetch-proto-v2-response:
fetch-pack: be more precise in parsing v2 response
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"git fetch" over protocol v2 into a shallow repository failed to
fetch full history behind a new tip of history that was diverged
before the cut-off point of the history that was previously fetched
shallowly.
* jt/upload-pack-v2-fix-shallow:
upload-pack: clear flags before each v2 request
upload-pack: make want_obj not global
upload-pack: make have_obj not global
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Each section in a protocol v2 response is followed by either a DELIM
packet (indicating more sections to follow) or a FLUSH packet
(indicating none to follow). But when parsing the "acknowledgments"
section, do_fetch_pack_v2() is liberal in accepting both, but determines
whether to continue reading or not based solely on the contents of the
"acknowledgments" section, not on whether DELIM or FLUSH was read.
There is no issue with a protocol-compliant server, but can result in
confusing error messages when communicating with a server that
serves unexpected additional sections. Consider a server that sends
"new-section" after "acknowledgments":
- client writes request
- client reads the "acknowledgments" section which contains no "ready",
then DELIM
- since there was no "ready", client needs to continue negotiation, and
writes request
- client reads "new-section", and reports to the end user "expected
'acknowledgments', received 'new-section'"
For the person debugging the involved Git implementation(s), the error
message is confusing in that "new-section" was not received in response
to the latest request, but to the first one.
One solution is to always continue reading after DELIM, but in this
case, we can do better. We know from the protocol that "ready" means at
least the packfile section is coming (hence, DELIM) and that no "ready"
means that no sections are to follow (hence, FLUSH). So teach
process_acks() to enforce this.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Over some transports, fetching objects with an exact commit object
name can be done without first seeing the ref advertisements. The
code has been optimized to exploit this.
* jt/avoid-ls-refs:
fetch: do not list refs if fetching only hashes
transport: list refs before fetch if necessary
transport: do not list refs if possible
transport: allow skipping of ref listing
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Suppose a server has the following commit graph:
A B
\ /
O
We create a client by cloning A from the server with depth 1, and add
many commits to it (so that future fetches span multiple requests due to
lengthy negotiation). If it then fetches B using protocol v2, the fetch
spanning multiple requests, the resulting packfile does not contain O
even though the client did report that A is shallow.
This is because upload_pack_v2() can be called multiple times while
processing the same session. During the 2nd and all subsequent
invocations, some object flags remain from the previous invocations. In
particular, CLIENT_SHALLOW remains, preventing process_shallow() from
adding client-reported shallows to the "shallows" array, and hence
pack-objects not knowing about these client-reported shallows.
Therefore, teach upload_pack_v2() to clear object flags at the start of
each invocation. This has some other results:
- THEY_HAVE gates addition of objects to have_obj in process_haves().
Previously in upload_pack_v2(), have_obj needed to be static because
once an object is added to have_obj, it is never readded and thus we
needed to retain the contents of have_obj between invocations. Now
that flags are cleared, this is no longer necessary. This patch does
not change the behavior of ok_to_give_up() (THEY_HAVE is still set on
each "have") and got_oid() (used only in non-v2)); THEY_HAVE is not
used in any other function.
- WANTED gates addition of objects to want_obj in parse_want() and
parse_want_ref(). It is also used in receive_needs(), but that is
only used in non-v2. For the same reasons as THEY_HAVE, want_obj no
longer needs to be static in upload_pack_v2().
- CLIENT_SHALLOW is changed as discussed above.
Clearing of the other 5 flags does not affect functionality in v2. (Note
that in non-v2, upload_pack() is only called once per process, so each
invocation starts with blank flags anyway.)
- OUR_REF is only used in non-v2.
- COMMON_KNOWN is only used as a scratch flag in ok_to_give_up().
- SHALLOW is passed to invocations in deepen() and
deepen_by_rev_list(), but upload-pack doesn't use it.
- NOT_SHALLOW is used by send_shallow() and send_unshallow(), but
invocations of those functions are always preceded by code that sets
NOT_SHALLOW on the appropriate objects.
- HIDDEN_REF is only used in non-v2.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Various test scripts have been updated for style and also correct
handling of exit status of various commands.
* md/test-cleanup:
tests: order arguments to git-rev-list properly
t9109: don't swallow Git errors upstream of pipes
tests: don't swallow Git errors upstream of pipes
t/*: fix ordering of expected/observed arguments
tests: standardize pipe placement
Documentation: add shell guidelines
t/README: reformat Do, Don't, Keep in mind lists
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If only hash literals are given on a "git fetch" command-line, tag
following is not requested, and the fetch is done using protocol v2, a
list of refs is not required from the remote. Therefore, optimize by
invoking transport_get_remote_refs() only if we need the refs.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When all refs to be fetched are exact OIDs, it is possible to perform a
fetch without requiring the remote to list refs if protocol v2 is used.
Teach Git to do this.
This currently has an effect only for lazy fetches done from partial
clones. The change necessary to likewise optimize "git fetch <remote>
<sha-1>" will be done in a subsequent patch.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is a common mistake to put positional arguments before flags when
invoking git-rev-list. Order the positional arguments last.
This patch skips git-rev-list invocations which include the --not flag,
since the ordering of flags and positional arguments affects the
behavior. This patch also skips invocations of git-rev-list that occur
in command substitution in which the exit code is discarded, since
fixing those properly will require a more involved cleanup.
Signed-off-by: Matthew DeVore <matvore@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix various places where the ordering was obviously wrong, meaning it
was easy to find with grep.
Signed-off-by: Matthew DeVore <matvore@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The wire-protocol v2 relies on the client to send "ref prefixes" to
limit the bandwidth spent on the initial ref advertisement. "git
fetch $remote branch:branch" that asks tags that point into the
history leading to the "branch" automatically followed sent to
narrow prefix and broke the tag following, which has been fixed.
* jt/tag-following-with-proto-v2-fix:
fetch: send "refs/tags/" prefix upon CLI refspecs
t5702: test fetch with multiple refspecs at a time
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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.
This also necessitates a change another test which tested ref
advertisement filtering using tag refs - since tag refs are sent by
default now, the test has been switched to using branch refs instead.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extend the protocol v2 tests to also test fetches with multiple refspecs
specified. This also covers the previously uncovered cases of fetching
with prefix matching and fetching by SHA-1.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach clone to send a list of ref-prefixes, when using protocol v2, to
allow the server to filter out irrelevant references from the
ref-advertisement. This reduces wasted time and bandwidth when cloning
repositories with a larger number of references.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git fetch $there $refspec" that talks over protocol v2 can take
advantage of server-side ref filtering; the code has been extended
so that this mechanism triggers also when fetching with configured
refspec.
* bw/ref-prefix-for-configured-refspec: (38 commits)
fetch: generate ref-prefixes when using a configured refspec
refspec: consolidate ref-prefix generation logic
submodule: convert push_unpushed_submodules to take a struct refspec
remote: convert check_push_refs to take a struct refspec
remote: convert match_push_refs to take a struct refspec
http-push: store refspecs in a struct refspec
transport: remove transport_verify_remote_names
send-pack: store refspecs in a struct refspec
transport: convert transport_push to take a struct refspec
push: convert to use struct refspec
push: check for errors earlier
remote: convert match_explicit_refs to take a struct refspec
remote: convert get_ref_match to take a struct refspec
remote: convert query_refspecs to take a struct refspec
remote: convert apply_refspecs to take a struct refspec
remote: convert get_stale_heads to take a struct refspec
fetch: convert prune_refs to take a struct refspec
fetch: convert get_ref_map to take a struct refspec
fetch: convert do_fetch to take a struct refspec
refspec: remove the deprecated functions
...
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Transfer protocol v2 learned to support the partial clone.
* jt/partial-clone-proto-v2:
{fetch,upload}-pack: support filter in protocol v2
upload-pack: read config when serving protocol v2
upload-pack: fix error message typo
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Teach fetch to generate ref-prefixes, to be used for server-side
filtering of the ref-advertisement, based on the configured fetch
refspec ('remote.<name>.fetch') when no user provided refspec exists.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The fetch-pack/upload-pack protocol v2 was developed independently of
the filter parameter (used in partial fetches), thus it did not include
support for it. Add support for the filter parameter.
Like in the legacy protocol, the server advertises and supports "filter"
only if uploadpack.allowfilter is configured.
Like in the legacy protocol, the client continues with a warning if
"--filter" is specified, but the server does not advertise it.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The upload-pack code paths never call git_config() with
upload_pack_config() when protocol v2 is used, causing options like
uploadpack.packobjectshook to not take effect. Ensure that this function
is called.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach fetch to optionally accept server options by specifying them on
the cmdline via '-o' or '--server-option'. These server options are
sent to the remote end when performing a fetch communicating using
protocol version 2.
If communicating using a protocol other than v2 the provided options are
ignored and not sent to the remote end.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach ls-remote to optionally accept server options by specifying them
on the cmdline via '-o' or '--server-option'. These server options are
sent to the remote end when querying for the remote end's refs using
protocol version 2.
If communicating using a protocol other than v2 the provided options are
ignored and not sent to the remote end.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to be able to ship protocol v2 with only supporting fetch, we
need clients to not issue a request to use protocol v2 when pushing
(since the client currently doesn't know how to push using protocol v2).
This allows a client to have protocol v2 configured in
`protocol.version` and take advantage of using v2 for fetch and falling
back to using v0 when pushing while v2 for push is being designed.
We could run into issues if we didn't fall back to protocol v2 when
pushing right now. This is because currently a server will ignore a request to
use v2 when contacting the 'receive-pack' endpoint and fall back to
using v0, but when push v2 is rolled out to servers, the 'receive-pack'
endpoint will start responding using v2. So we don't want to get into a
state where a client is requesting to push with v2 before they actually
know how to push using v2.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach remote-curl the 'stateless-connect' command which is used to
establish a stateless connection with servers which support protocol
version 2. This allows remote-curl to act as a proxy, allowing the git
client to communicate natively with a remote end, simply using
remote-curl as a pass through to convert requests to http.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to be able to ship protocol v2 with only supporting fetch, we
need clients to not issue a request to use protocol v2 when pushing
(since the client currently doesn't know how to push using protocol v2).
This allows a client to have protocol v2 configured in
`protocol.version` and take advantage of using v2 for fetch and falling
back to using v0 when pushing while v2 for push is being designed.
We could run into issues if we didn't fall back to protocol v2 when
pushing right now. This is because currently a server will ignore a request to
use v2 when contacting the 'receive-pack' endpoint and fall back to
using v0, but when push v2 is rolled out to servers, the 'receive-pack'
endpoint will start responding using v2. So we don't want to get into a
state where a client is requesting to push with v2 before they actually
know how to push using v2.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When communicating with a v2 server, perform a fetch by requesting the
'fetch' command.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Construct an argv_array of ref prefixes based on the patterns supplied
via the command line and pass them to 'transport_get_remote_refs()' to
be used when communicating protocol v2 so that the server can limit the
ref advertisement based on those prefixes.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the client to be able to request a remote's refs using protocol
v2. This is done by having a client issue a 'ls-refs' request to a v2
server.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Jonathan Tan
SZEDER Gábor
Jeff King
Junio C Hamano
Johannes Schindelin
Matthew DeVore
Nguyễn Thái Ngọc Duy
Brandon Williams