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The existing description of http.emptyAuth explains the purpose of the
setting but never says what values it accepts. Readers have to infer
from context (or read the source) that it takes 'true', 'false', or
'auto', and what each one means.
Document the three accepted values explicitly:
* 'auto' (the default) only sends empty credentials when the server's
401 response advertises a mechanism that requires them, such as
GSS-Negotiate. This matches the long-standing auto-detection
behaviour added in 40a18fc77c (http: add an "auto" mode for
http.emptyauth, 2017-02-25).
* 'true' unconditionally sends empty credentials on the very first
request, before any 401 response, for callers that know they want
this behaviour up front.
* 'false' disables the feature entirely; mechanisms that depend on
empty credentials, such as GSS-Negotiate, will not work in this
mode.
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add retry logic for HTTP 429 (Too Many Requests) responses to handle
server-side rate limiting gracefully. When Git's HTTP client receives
a 429 response, it can now automatically retry the request after an
appropriate delay, respecting the server's rate limits.
The implementation supports the RFC-compliant Retry-After header in
both delay-seconds (integer) and HTTP-date (RFC 2822) formats. If a
past date is provided, Git retries immediately without waiting.
Retry behavior is controlled by three new configuration options
(http.maxRetries, http.retryAfter, and http.maxRetryTime) which are
documented in git-config(1).
The retry logic implements a fail-fast approach: if any delay
(whether from server header or configuration) exceeds maxRetryTime,
Git fails immediately with a clear error message rather than capping
the delay. This provides better visibility into rate limiting issues.
The implementation includes extensive test coverage for basic retry
behavior, Retry-After header formats (integer and HTTP-date),
configuration combinations, maxRetryTime limits, invalid header
handling, environment variable overrides, and edge cases.
Signed-off-by: Vaidas Pilkauskas <vaidas.pilkauskas@shopify.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The OpenBSD 'sed' command does not support '\n' to represent newlines in
sed expressions. This leads to the follow compiler error:
In file included from builtin/help.c:15:
./config-list.h:282:18: error: use of undeclared identifier 'n'
"gitcvs.dbUser",n "gitcvs.dbPass",
^
1 error generated.
gmake: *** [Makefile:2821: builtin/help.o] Error 1
We can fix this by documenting related configuration variables
one-per-line instead of listing them separated by commas. This allows us
to remove the unportable part of the sed expression in
generate-configlist.sh.
Signed-off-by: Collin Funk <collin.funk1@gmail.com>
Reviewed-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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curl supports a few options to control when and how often it should
instruct the OS to send TCP keepalives, like KEEPIDLE, KEEPINTVL, and
KEEPCNT. Until this point, there hasn't been a way for users to change
what values are used for these options, forcing them to rely on curl's
defaults.
But we do unconditionally enable TCP keepalives without giving users an
ability to tweak any fine-grained parameters. Ordinarily this isn't a
problem, particularly for users that have fast-enough connections,
and/or are talking to a server that has generous or nonexistent
thresholds for killing a connection it hasn't heard from in a while.
But it can present a problem when one or both of those assumptions fail.
For instance, I can reliably get an in-progress clone to be killed from
the remote end when cloning from some forges while using trickle to
limit my clone's bandwidth.
For those users and others who wish to more finely tune the OS's
keepalive behavior, expose configuration and environment variables which
allow setting curl's KEEPIDLE, KEEPINTVL, and KEEPCNT options.
Note that while KEEPIDLE and KEEPINTVL were added in curl 7.25.0,
KEEPCNT was added much more recently in curl 8.9.0. Per f7c094060c
(git-curl-compat: remove check for curl 7.25.0, 2024-10-23), both
KEEPIDLE and KEEPINTVL are set unconditionally. But since we may be
compiled with a curl that isn't as new as 8.9.0, only set KEEPCNT when
we have CURLOPT_TCP_KEEPCNT to begin with.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Acked-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Two configuration variables about SSL authentication material that
weren't mentioned in the documentations are now mentioned.
* ac/doc-http-ssl-type-config:
docs: indicate http.sslCertType and sslKeyType
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We presently use the ".txt" extension for our AsciiDoc files. While not
wrong, most editors do not associate this extension with AsciiDoc,
meaning that contributors don't get automatic editor functionality that
could be useful, such as syntax highlighting and prose linting.
It is much more common to use the ".adoc" extension for AsciiDoc files,
since this helps editors automatically detect files and also allows
various forges to provide rich (HTML-like) rendering. Let's do that
here, renaming all of the files and updating the includes where
relevant. Adjust the various build scripts and makefiles to use the new
extension as well.
Note that this should not result in any user-visible changes to the
documentation.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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