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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After "git pull" that is configured with pull.rebase=false
merge.ff=only fails due to our end having our own development, give
advice messages to get out of the "Not possible to fast-forward"
state.
* fc/advice-diverged-history:
advice: add diverging advice for novices
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"git bundle" learned that "-" is a common way to say that the input
comes from the standard input and/or the output goes to the
standard output. It used to work only for output and only from the
root level of the working tree.
* jk/bundle-use-dash-for-stdfiles:
parse-options: use prefix_filename_except_for_dash() helper
parse-options: consistently allocate memory in fix_filename()
bundle: don't blindly apply prefix_filename() to "-"
bundle: document handling of "-" as stdin
bundle: let "-" mean stdin for reading operations
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Simplify UI to control progress meter given by "git bundle" command.
* jk/bundle-progress:
bundle: turn on --all-progress-implied by default
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Fix for a mis-mark-up in doc made in Git 2.39 days.
* as/doc-markup-fix:
git-merge-tree.txt: replace spurious HTML entity
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new "fetch.hideRefs" option can be used to exclude specified refs
from "rev-list --objects --stdin --not --all" traversal for
checking object connectivity, most useful when there are many
unrelated histories in a single repository.
* ew/fetch-hiderefs:
fetch: support hideRefs to speed up connectivity checks
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Allow information carried on the WWW-AUthenticate header to be
passed to the credential helpers.
* mc/credential-helper-www-authenticate:
credential: add WWW-Authenticate header to cred requests
http: read HTTP WWW-Authenticate response headers
t5563: add tests for basic and anoymous HTTP access
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Code clean-up to clarify the rule that "git-compat-util.h" must be
the first to be included.
* en/header-cleanup:
diff.h: remove unnecessary include of object.h
Remove unnecessary includes of builtin.h
treewide: replace cache.h with more direct headers, where possible
replace-object.h: move read_replace_refs declaration from cache.h to here
object-store.h: move struct object_info from cache.h
dir.h: refactor to no longer need to include cache.h
object.h: stop depending on cache.h; make cache.h depend on object.h
ident.h: move ident-related declarations out of cache.h
pretty.h: move has_non_ascii() declaration from commit.h
cache.h: remove dependence on hex.h; make other files include it explicitly
hex.h: move some hex-related declarations from cache.h
hash.h: move some oid-related declarations from cache.h
alloc.h: move ALLOC_GROW() functions from cache.h
treewide: remove unnecessary cache.h includes in source files
treewide: remove unnecessary cache.h includes
treewide: remove unnecessary git-compat-util.h includes in headers
treewide: ensure one of the appropriate headers is sourced first
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The user might not necessarily know why ff only was configured, maybe an
admin did it, or the installer (Git for Windows), or perhaps they just
followed some online advice.
This can happen not only on pull.ff=only, but merge.ff=only too.
Even worse if the user has configured pull.rebase=false and
merge.ff=only, because in those cases a diverging merge will constantly
keep failing. There's no trivial way to get out of this other than
`git merge --no-ff`.
Let's not assume our users are experts in git who completely understand
all their configurations.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update.
* gm/signature-format-doc:
signature-format.txt: note SSH and X.509 signature delimiters
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We have always allowed "bundle create -" to write to stdout, but it was
never documented. And a recent patch let reading operations like "bundle
list-heads -" read from stdin.
Let's document all of these cases.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 79862b6b77c (bundle-create: progress output control, 2019-11-10),
"bundle create" learned about the --all-progress and
--all-progress-implied options, which were copied from pack-objects.
I think these were a mistake.
In pack-objects, "all-progress-implied" is about switching the behavior
between a regular on-disk "git repack" and the use of pack-objects for
push/fetch (where a fetch does not want progress from the server during
the write stage; the client will print progress as it receives the
data). But there's no such distinction for bundles. Prior to
79862b6b77c, we always printed the write stage. Afterwards, a vanilla:
git bundle create foo.bundle
omits the write progress, appearing to hang (especially if your
repository is large or your disk is slow). That seems like a regression.
It's possible that the flexibility to disable the write-phase progress
_could_ be useful for bundle. E.g., if you did something like:
ssh some-host git bundle create foo.bundle |
git bundle unbundle
But if you are running both in real-time, why are you using bundles in
the first place? You're better off doing a real fetch.
But even if we did want to support that, it should be the exception, and
vanilla "bundle create" should display the full progress. So we'd want
to name the option "--no-write-progress" or something.
The "--all-progress" option itself is even worse. It exists in
pack-objects only for historical reasons. It's a mistake because it
implies "--progress", and we added "--all-progress-implied" to fix that.
There is no reason to propagate that mistake to new commands.
Likewise, the documentation for these options was pulled from
pack-objects. But it doesn't make any sense in this context. It talks
about "--stdout", but that is not even an option that git-bundle
supports.
This patch flips the default for "--all-progress-implied" back to
"true", fixing the regression in 79862b6b77c. This turns that option
into a noop, and means that "--all-progress" is really the same as
"--progress". We _could_ drop them completely, but since they've been
shipped with Git since v2.25.0, it's polite to continue accepting them.
I didn't implement any sort of "--no-write-progress" here. I'm not at
all convinced it's necessary, and the discussion from the original
thread:
https://lore.kernel.org/git/20191110204126.30553-2-robbat2@gentoo.org/
shows that that the main focus was on getting --progress and --quiet
support, and not any kind of clever "real-time bundle over the network"
feature. But technically this patch is making it impossible to do
something that you _could_ do post-79862b6b77c.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This document only explains PGP signatures, but Git now supports X.509
signatures as of 1e7adb9756 (gpg-interface: introduce new signature
format "x509" using gpgsm, 2018-07-17), and SSH signatures as of
29b315778e (ssh signing: add ssh key format and signing code,
2021-09-10).
Additionally, explain that these signature formats are controlled
`gpg.format`, linking to its documentation, and explain in said
`gpg.format` documentation that the underlying signature format is
documented in signature-format.txt.
Signed-off-by: Gwyneth Morgan <gwymor@tilde.club>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the value of the WWW-Authenticate response header to credential
requests. Credential helpers that understand and support HTTP
authentication and authorization can use this standard header (RFC 2616
Section 14.47 [1]) to generate valid credentials.
WWW-Authenticate headers can contain information pertaining to the
authority, authentication mechanism, or extra parameters/scopes that are
required.
The current I/O format for credential helpers only allows for unique
names for properties/attributes, so in order to transmit multiple header
values (with a specific order) we introduce a new convention whereby a
C-style array syntax is used in the property name to denote multiple
ordered values for the same property.
In this case we send multiple `wwwauth[]` properties where the order
that the repeated attributes appear in the conversation reflects the
order that the WWW-Authenticate headers appeared in the HTTP response.
Add a set of tests to exercise the HTTP authentication header parsing
and the interop with credential helpers. Credential helpers will receive
WWW-Authenticate information in credential requests.
[1] https://datatracker.ietf.org/doc/html/rfc2616#section-14.47
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The format.attach configuration variable lacked a way to override a
value defined in a lower-priority configuration file (e.g. the
system one) by redefining it in a higher-priority configuration
file. Now, setting format.attach to an empty string means show the
patch inline in the e-mail message, without using MIME attachment.
This is a backward incompatible change.
* jc/countermand-format-attach:
format.attach: allow empty value to disable multi-part messages
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The credential subsystem learned that a password may have an
explicit expiration.
* mh/credential-password-expiry:
credential: new attribute password_expiry_utc
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"git archive HEAD^{tree}" records the paths with the current
timestamp in the archive, making it harder to obtain a stable
output. The command learned the --mtime option to specify an
arbitrary timestamp (e.g. --mtime="@0 +0000" for the epoch).
* rs/archive-mtime:
archive: add --mtime
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The "diff" drivers specified by the "diff" attribute attached to
paths can now specify which algorithm (e.g. histogram) to use.
* jc/diff-algo-attribute:
diff: teach diff to read algorithm from diff driver
diff: consolidate diff algorithm option parsing
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With roughly 800 remotes all fetching into their own
refs/remotes/$REMOTE/* island, the connectivity check[1] gets
expensive for each fetch on systems which lack sufficient RAM to
cache objects.
To do a no-op fetch on one $REMOTE out of hundreds, hideRefs now
allows the no-op fetch to take ~30 seconds instead of ~20 minutes
on a noisy, RAM-constrained machine (localhost, so no network latency):
git -c fetch.hideRefs=refs \
-c fetch.hideRefs='!refs/remotes/$REMOTE/' \
fetch $REMOTE
[1] `git rev-list --objects --stdin --not --all --quiet --alternate-refs'
Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update --date=default documentation.
* rd/doc-default-date-format:
rev-list: clarify git-log default date format
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We had several C files ignoring the rule to include one of the
appropriate headers first; fix that.
While at it, the rule in Documentation/CodingGuidelines about which
header to include has also fallen out of sync, so update the wording to
mention other allowed headers.
Unfortunately, C files in reftable/ don't actually follow the previous
or updated rule. If you follow the #include chain in its C files,
reftable/system.h _tends_ to be first (i.e. record.c first includes
record.h, which first includes basics.h, which first includees
system.h), but not always (e.g. publicbasics.c includes another header
first that does not include system.h). However, I'm going to punt on
making actual changes to the C files in reftable/ since I do not want to
risk bringing it out-of-sync with any version being used externally.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some passwords have an expiry date known at generation. This may be
years away for a personal access token or hours for an OAuth access
token.
When multiple credential helpers are configured, `credential fill` tries
each helper in turn until it has a username and password, returning
early. If Git authentication succeeds, `credential approve`
stores the successful credential in all helpers. If authentication
fails, `credential reject` erases matching credentials in all helpers.
Helpers implement corresponding operations: get, store, erase.
The credential protocol has no expiry attribute, so helpers cannot
store expiry information. Even if a helper returned an improvised
expiry attribute, git credential discards unrecognised attributes
between operations and between helpers.
This is a particular issue when a storage helper and a
credential-generating helper are configured together:
[credential]
helper = storage # eg. cache or osxkeychain
helper = generate # eg. oauth
`credential approve` stores the generated credential in both helpers
without expiry information. Later `credential fill` may return an
expired credential from storage. There is no workaround, no matter how
clever the second helper. The user sees authentication fail (a retry
will succeed).
Introduce a password expiry attribute. In `credential fill`, ignore
expired passwords and continue to query subsequent helpers.
In the example above, `credential fill` ignores the expired password
and a fresh credential is generated. If authentication succeeds,
`credential approve` replaces the expired password in storage.
If authentication fails, the expired credential is erased by
`credential reject`. It is unnecessary but harmless for storage
helpers to self prune expired credentials.
Add support for the new attribute to credential-cache.
Eventually, I hope to see support in other popular storage helpers.
Example usage in a credential-generating helper
https://github.com/hickford/git-credential-oauth/pull/16
Signed-off-by: M Hickford <mirth.hickford@gmail.com>
Reviewed-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extend the run-hooks API to allow feeding data from the standard
input when running the hook script(s).
* ab/hook-api-with-stdin:
hook: support a --to-stdin=<path> option
sequencer: use the new hook API for the simpler "post-rewrite" call
hook API: support passing stdin to hooks, convert am's 'post-rewrite'
run-command: allow stdin for run_processes_parallel
run-command.c: remove dead assignment in while-loop
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Doc update.
* jk/doc-ls-remote-matching:
doc/ls-remote: clarify pattern format
doc/ls-remote: cosmetic cleanups for examples
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It can be useful to specify diff algorithms per file type. For example,
one may want to use the minimal diff algorithm for .json files, another
for .c files, etc.
The diff machinery already checks attributes for a diff driver. Teach
the diff driver parser a new type "algorithm" to look for in the
config, which will be used if a driver has been specified through the
attributes.
Enforce precedence of the diff algorithm by favoring the command line
option, then looking at the driver attributes & config combination, then
finally the diff.algorithm config.
To enforce precedence order, use a new `ignore_driver_algorithm` member
during options parsing to indicate the diff algorithm was set via command
line args.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow users to specify the modification time of archive entries. The
new option --mtime uses approxidate() to parse a time specification and
overrides the default of using the current time for trees and the commit
time for tags and commits. It can be used to create a reproducible
archive for a tree, or to use a specific mtime without creating a commit
with GIT_COMMITTER_DATE set.
This implementation doesn't support the negated form of the new option,
i.e. --no-mtime is not accepted. It is not possible to have no mtime at
all. We could use the Unix epoch or revert to the default behavior, but
since negation is not necessary for the intended use it's left undecided
for now.
Requested-by: Raul E Rangel <rrangel@chromium.org>
Suggested-by: demerphq <demerphq@gmail.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a lower precedence configuration file (e.g. /etc/gitconfig)
defines format.attach in any way, there was no way to disable it in
a more specific configuration file (e.g. $HOME/.gitconfig).
Change the behaviour of setting it to an empty string. It used to
mean that the result is still a multipart message with only dashes
used as a multi-part separator, but now it resets the setting to
the default (which would be to give an inline patch, unless other
command line options are in effect).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation mistakenly said that the default format was
similar to RFC 2822 format and tried to specify it by enumerating
differences, which had two problems:
* There are some more differences from the 2822 format that are not
mentioned; worse yet
* The default format is not modeled after RFC 2822 format at all.
As can be seen in f80cd783 (date.c: add "show_date()" function.,
2005-05-06), it is a derivative of ctime(3) format.
Stop saying that it is similar to RFC 2822, and rewrite the
description to explain the format without requiring the reader to
know any other format.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update.
* cw/doc-pushurl-vs-url:
Documentation: clarify multiple pushurls vs urls
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Finally retire the scripted "git add -p/-i" implementation and have
everybody use the one reimplemented in C.
* ab/retire-scripted-add-p:
docs & comments: replace mentions of "git-add--interactive.perl"
add API: remove run_add_interactive() wrapper function
add: remove "add.interactive.useBuiltin" & Perl "git add--interactive"
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Comment fix.
* wl/new-command-doc:
new-command.txt: update reference to builtin docs
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The bundle-URI subsystem adds support for creation-token heuristics
to help incremental fetches.
* ds/bundle-uri-5:
bundle-uri: test missing bundles with heuristic
bundle-uri: store fetch.bundleCreationToken
fetch: fetch from an external bundle URI
bundle-uri: drop bundle.flag from design doc
clone: set fetch.bundleURI if appropriate
bundle-uri: download in creationToken order
bundle-uri: parse bundle.<id>.creationToken values
bundle-uri: parse bundle.heuristic=creationToken
t5558: add tests for creationToken heuristic
bundle: verify using check_connected()
bundle: test unbundling with incomplete history
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clarify how "checkout -b/-B" and "git branch [-f]" are similar but
different in the documentation.
* jc/doc-checkout-b:
checkout: document -b/-B to highlight the differences from "git branch"
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Document that "branch -f <branch>" disables only the safety to
avoid recreating an existing branch.
* jc/doc-branch-update-checked-out-branch:
branch: document `-f` and linked worktree behaviour
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Document ORIG_HEAD a bit more.
* pb/doc-orig-head:
git-rebase.txt: add a note about 'ORIG_HEAD' being overwritten
revisions.txt: be explicit about commands writing 'ORIG_HEAD'
git-merge.txt: mention 'ORIG_HEAD' in the Description
git-reset.txt: mention 'ORIG_HEAD' in the Description
git-cherry-pick.txt: do not use 'ORIG_HEAD' in example
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Doc update for environment variables set when hooks are invoked.
* es/hooks-and-local-env:
githooks: discuss Git operations in foreign repositories
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We document that you can specify "refs" to ls-remote, but we don't
explain any further than that they are "matched" as patterns. Since this
can be interpreted in a lot of ways, let's clarify that they are
tail-matched globs.
Likewise, let's use the word "patterns" to refer to them consistently,
rather than "refs" (both here and in the quick "-h" help), and mention
more explicitly that only one pattern needs to be matched (though there
is also an example already that shows this in action).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are effectively three example commands and their output, but
they're smushed together with no extra whitespace. Let's add some blank
lines to make them more readable.
Likewise, the first example uses "./." to refer to the path of the
current repository, which is somewhat distracting. That may have been
necessary back in 2005 when it was added, but we can just say "." these
days.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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