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In 3e81bccdf3 (sequencer: factor out todo command name parsing,
2019-06-27), a `return` statement was introduced that basically was a
long sequence of conditions, combined with `&&`, except for the last
condition which is not really a condition but an assignment.
The point of this construct was to return 1 (i.e. `true`) from the
function if all of those conditions held true, and also assign the `bol`
pointer to the end of the parsed command.
Some static analyzers are really unhappy about such constructs. And
human readers are at least puzzled, if not confused, by seeing a single
`=` inside a chain of conditions where they would have expected to see
`==` instead and, based on experience, immediately suspect a typo.
Let's help all of this by turning this into the more verbose, more
readable form of an `if` construct that both assigns the pointer as well
as returns 1 if all of the conditions hold true.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In c429bed102 (bundle-uri: store fetch.bundleCreationToken, 2023-01-31)
code was introduced that assumes that an `sscanf()` call leaves its
output variables unchanged unless the return value indicates success.
However, the POSIX documentation makes no such guarantee:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/sscanf.html
So let's make sure that the output variable `maxCreationToken` is
always well-defined.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code is a bit too hard to reason about to fully assess whether the
`fill_commit_graph_info()` function is called at all after
`write_commit_graph()` returns (and hence the stack variable
`topo_levels` goes out of context).
Let's simply make sure that the stack address is no longer used at that
stage, thereby making the code quite a bit easier to reason about.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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CodeQL reports empty `if` blocks that only contain a comment as "futile
conditional". The comment talks about potential plans to turn this into
a warning, but that seems not to have been necessary. Replace the entire
construct with a concise comment.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While `if (i <= 0) ... else if (i > 0) ...` is technically equivalent to
`if (i <= 0) ... else ...`, the latter is vastly easier to read because
it avoids writing out a condition that is unnecessary. Let's drop such
unnecessary conditions.
Pointed out by CodeQL.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As pointed out by CodeQL, `branch_get()` may return `NULL`, in which
case `branch_has_merge_config()` would return early, but we can even
avoid enumerating the refs prefixes in that case, saving even more CPU
cycles.
Technically, we should enclose these two statements in an `if (branch)
{...}` block, but the indentation is already quite deep, therefore I
refrained from doing that.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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One thing that might be non-obvious to readers (or to analyzers like
CodeQL) is that the function essentially does nothing when the Git index
is empty, and in particular that it does not look at the value of
`len_eq_last` (which would be uninitialized at that point).
Let's make this much easier to understand, by returning early if the Git
index is empty, and by avoiding empty `else` blocks.
This commit changes indentation and is hence best viewed using
`--ignore-space-change`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While 3145ea957d (upload-pack: introduce fetch server command,
2018-03-15) added support for the `fetch` command, from the server's
point of view it is an upload, and hence the `enum` should really be
called `upload_state` instead of `fetch_state`. Likewise, rename its
values.
This also helps unconfuse CodeQL which would otherwise be at sixes or
sevens about having _two_ non-local definitions of the same `enum` with
the same values.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do need a context to write the commit graph, but that context is only
needed during the life time of `commit_graph_write()`, therefore it can
easily be a stack variable.
This also helps CodeQL recognize that it is safe to assign the address
of other local variables to the context's fields.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As pointed out by CodeQL, it is a potentially dangerous practice to
store local variables' addresses in non-local structs. Yet this is
exactly what happens with the `acked_commits` attribute that is used in
`cmd_fetch()`: The pointer to a local variable is assigned to it.
Now, it is Git's convention that `cmd_*()` functions are essentially
only returning just before exiting the process, therefore there is
little danger that this attribute is used after the code flow returns
from that function.
However, code in `cmd_*()` function is often so useful that it gets
lifted into a library function, at which point this issue could become a
real problem.
Let's make sure to clear the `acked_commits` attribute out after it was
used, and before the function returns (at which point the address would
go stale).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The difference of two unsigned integers is defined to be unsigned, and
therefore it is misleading to check whether it is greater than zero
(instead, the more natural way would be to check whether the difference
is zero or not).
Let's instead avoid the subtraction altogether, and compare the two
operands directly, which makes the code more obvious as a side effect.
Pointed out by CodeQL's rule with the ID
`cpp/unsigned-difference-expression-compared-zero`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The commit message is processed to remove unnecessary empty lines.
In particular, it is ensured that the text ends with at most one LF
character. This one is always present, because the Tk text widget
ensures that is present.
However, did not consider that the processed text is written to the
commit message file using `puts`, which also appends a LF character,
so that the final commit message ends with two LF. Trim all trailing
LF characters, and while we are here, use `string trim`, which lets
us remove the leading LF in the same command.
Reported-by: Gareth Fenn <garethfenn@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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A global variable exists that holds the color name used to highlight
search results everywhere, except that in the commit list the color
is still hard-coded to "yellow". Use the global variable there as well.
Signed-off-by: Alexander Ogorodov <bnfour@bnfour.net>
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Replace the_repository everywhere with repo, feed repo from cmd_replay()
to all the other functions in the file that need it, and remove the
UNUSED annotation on repo.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During fsck, we use "strbuf_read" to read the content of "packed-refs"
without using mmap mechanism. This is a bad practice which would consume
more memory than using mmap mechanism. Besides, as all code paths in
"packed-backend.c" use this way, we should make "fsck" align with the
current codebase.
As we have introduced the helper function "allocate_snapshot_buffer", we
can simply use this function to use mmap mechanism.
Suggested-by: Jeff King <peff@peff.net>
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: shejialuo <shejialuo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"load_contents" would choose which way to load the content of the
"packed-refs". However, we cannot directly use this function when
checking the consistency due to we don't want to open the file. And we
also need to reuse the logic to avoid causing repetition.
Let's create a new helper function "allocate_snapshot_buffer" to extract
the snapshot allocation logic in "load_contents" and update the
"load_contents" to align with the behavior.
Suggested-by: Jeff King <peff@peff.net>
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: shejialuo <shejialuo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We assume the "packed-refs" won't be empty and instead has at least one
line in it (even when there are no refs packed, there is the file header
line). Because there is no terminating LF in the empty file, we will
report "packedRefEntryNotTerminated(ERROR)" to the user.
However, the runtime code paths would accept an empty "packed-refs"
file, for example, "create_snapshot" would simply return the "snapshot"
without checking the content of "packed-refs". So, we should skip
checking the content of "packed-refs" when it is empty during fsck.
After 694b7a1999 (repack_without_ref(): write peeled refs in the
rewritten file, 2013-04-22), we would always write a header into the
"packed-refs" file. So, versions of Git that are not too ancient never
write such an empty "packed-refs" file.
As an empty file often indicates a sign of a filesystem-level issue, the
way we want to resolve this inconsistency is not make everybody totally
silent but notice and report the anomaly.
Let's create a "FSCK_INFO" message id "EMPTY_PACKED_REFS_FILE" to report
to the users that "packed-refs" is empty.
Signed-off-by: shejialuo <shejialuo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --maintenance option for 'scalar reconfigure' has three possible
values. Improve the documentation by specifying the option in the -h
help menu and usage information.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The build process fails in POSIXLY_CORRECT mode:
$ gitk@master:1005> POSIXLY_CORRECT=1 make
* new Tcl/Tk interpreter location
GEN gitk-wish
Generating catalog po/zh_cn.msg
msgfmt --statistics --tcl po/zh_cn.po -l zh_cn -d po/
msgfmt: --tcl requires a "-l locale" specification
Try 'msgfmt --help' for more information.
make: *** [Makefile:76: po/zh_cn.msg] Error 1
The reason is that option arguments cannot occur after the first
non-option argument. Move the file name last.
Reported-by: Nathan Royce <nroycea+kernel@gmail.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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`hostname` is a popular command available on both Linux and macOS. As
per the man-page[1], `hostname -f` command returns the fully qualified
domain name (FQDN) of the system. The current Net::Domain perl module
being used in the script for the same has been quite unrealiable in many
cases. Thankfully, we now have a better check for valid_fqdn, which does
reject the invalid FQDNs given by this module properly, but at the same
time, it will result in a fallback to 'localhost.localdomain' being
used. `hostname -f` has been quite reliable (probably even more reliable
than the Net::Domain module) and before falling back to
'localhost.localdomain', we should try to use it. Interestingly, the
`hostname` command is actually used by perl modules like Net::Domain[2]
and Sys::Hostname[3] to get the hostname. So, lets give `hostname -f` a
chance as well!
[1]: https://man7.org/linux/man-pages/man1/hostname.1.html
[2]: https://github.com/Perl/perl5/blob/blead/cpan/libnet/lib/Net/Domain.pm#L88
[3]: https://github.com/Perl/perl5/blob/blead/ext/Sys-Hostname/Hostname.pm#L93
Signed-off-by: Aditya Garg <gargaditya08@live.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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"git add 'f?o'" did not add 'foo' if 'f?o', an unusual pathname,
also existed on the working tree, which has been corrected.
* kj/glob-path-with-special-char:
dir.c: literal match with wildcard in pathspec should still glob
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Docfixes.
* kh/docfixes:
doc: branch: fix inline-verbatim
doc: reflog: fix `drop` subheading
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Code clean-up around stale CI elements and building with Visual Studio.
* js/ci-buildsystems-cleanup:
config.mak.uname: drop the `vcxproj` target
contrib/buildsystems: drop support for building . vcproj/.vcxproj files
ci: stop linking the `prove` cache
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Test result aggregation did not work in Meson based CI jobs.
* ps/ci-test-aggreg-fix-for-meson:
ci: fix aggregation of test results with Meson
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Doc update.
* en/get-tree-entry-doc:
tree-walk.h: fix incorrect API comment
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With 7304bd2bc39 (ci: wire up Visual Studio build with Meson,
2025-01-22) we have introduced a CI job that builds and tests Git with
Microsoft Visual Studio via Meson. This job is only being executed by
default on GitHub Workflows though -- on GitLab CI it is marked as a
"manual" job, so the developer has to actively trigger these jobs.
The consequence of this split is that any breakage specific to this job
is only noticed by developers who mainly work with GitHub. Let's improve
this situation by also running the job by default on GitLab CI.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Git project has started to wire up Meson as a build system in Git
v2.48.0. Wire up support for Meson in "git-gui" so that we can trivially
include it as a subproject in Git.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The "GITGUI_VERSION" variable is made available by generating and
including the "GIT-VERSION-FILE" file. Its value has been used in
various build steps, but in the preceding commits we have refactored
those to instead source the "GIT-VERSION-FILE" directly. As a result,
the variable is now only used in a single recipe, and this use can be
trivially replaced with sed(1).
Refactor the recipe to do so and stop including "GIT-VERSION-FILE" to
simplify the build process.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Extract script to generate the macOS app. This change allows us to reuse
the build logic with the Meson build system.
Note that as part of this change we also modify the TKEXECUTABLE
variable to track its full path. Like this we don't have to propagate
both the TKEXECUTABLE and TKFRAMEWORK variables into the script, and the
basename can be trivially computed from TKEXECUTABLE anyway.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Extract script to generate the macOS wrapper for git-gui. This change
allows us to reuse the build logic with the Meson build system.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Extract script to generate "tclIndex". This change allows us to reuse
the build logic with the Meson build system.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Extract script to generate "git-gui". This change allows us to reuse the
build logic with the Meson build system.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The value of the GITGUI_SCRIPT variable is only used in a single place
as part of an sed(1) script that massages the "git-gui.sh" script.
Interestingly, this specific replacement does seem to be a no-op: we
replace "^ argv0=$$0" with " argv=$(GITGUI_SCRIPT)", which has a value
of "$$0". The result would thus be completely unchanged.
Drop the replacement and its variable.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The output of GIT-VERSION-GEN can be sourced by our Makefile to make the
version available there. The output has a couple of spaces around the
equals sign, which is perfectly valid for parsing it in our Makefile.
But in subsequent steps we'll also want to source the file in a couple
of newly-introduced shell scripts, but having spaces around variable
assignments is invalid there.
Prepare for this step by dropping the spaces surrounding the equals
sign. Like this, we can easily use the same file both in our Makefile
and in shell scripts.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The GIT-VERSION-GEN unconditionally writes version information into the
source directory in the form of the "GIT-VERSION-FILE". We are about to
introduce the Meson build system though, which enforces out-of-tree
builds by default, and in that context we cannot continue to write
version information into the source tree.
Prepare the script for out-of-tree builds by treating the source
directory different from the output file.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The GIT-GUI-VARS file is used to track whether any of our build options
has changed. Unfortunately, the format of that file does not allow us to
propagate those build options to other scripts. But as we are about to
introduce support for the Meson build system, we will extract a couple
of scripts to deduplicate core build logic across Makefiles and Meson.
With this refactoring, it will become necessary to make build options
more widely accessible.
Replace GIT-GUI-VARS with a new GIT-GUI-BUILD-OPTIONS file that is being
populated from a template. This file can easily be sourced from build
scripts in subsequent steps.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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This can be squashed into the previous step. That is how our "git
pack-redundant" conversion did.
Theoretically, however, those who want to gauge the need to keep the
command by exposing their users to patches before this one may want
to wait until their experiment finishes before they formally say
"this will go away".
This change is made into a separate patch from the previous step
precisely to help those folks.
While at it, update the documentation page to use the new [synopsis]
facility to mark-up the SYNOPSIS part.
Helped-by: Elijah Newren <newren@gmail.com>
[en: typofix]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we made "git whatchanged" require "--i-still-use-this" and asked
the users to report if they still want to use it, the logical next
step is to allow us build Git without "whatchanged" to prepare for
its eventual removal.
If we were to follow the pattern established in 8ccc75c2 (remote:
announce removal of "branches/" and "remotes/", 2025-01-22), we can
do this together with the documentation update to officially list
that the command will be removed in the BreakingChanges document,
but let's just keep the changes separate just in case we want to
proceed a bit slower.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation of "git whatchanged" is pretty explicit that the
command was retained for historical reasons to help those whose fingers
cannot be retrained. Let's see if they still are finding it hard to
type "git log --raw" instead of "git whatchanged" by marking the
command as "nominated for removal", and require "--i-still-use-this"
on the command line. Adjust the tests so that the option is passed
when we invoke the command. In addition, we test that the command
fails when "--i-still-use-this" is not given.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some tests on fast-import run "git whatchanged" without even
checking the output from the command. It is tempting to remove the
calls altogether since they are not doing anything useful, but they
presumably were added there while the tests were developed to manually
sanity check which paths were touched.
Replace these calls with "git log --raw", which is a rough
equivalent in the more modern Git.
This does not remove "git whatchanged", but we no longer have to
worry about adjusting these places when we eventually do.
Helped-by: Elijah Newren <newren@gmail.com>
[en: log message]
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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Meson-based build framework update.
* ps/meson-bin-sh:
meson: prefer shell at "/bin/sh"
meson: report detected runtime executable paths
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"git diff --minimal" used to give non-minimal output when its
optimization kicked in, which has been disabled.
* ng/xdiff-truly-minimal:
xdiff: disable cleanup_records heuristic with --minimal
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"git index-pack --fix-thin" used to abort to prevent a cycle in
delta chains from forming in a corner case even when there is no
such cycle.
* ds/fix-thin-fix:
index-pack: allow revisiting REF_DELTA chains
t5309: create failing test for 'git index-pack'
test-tool: add pack-deltas helper
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Further refinement on CI messages when an optional external
software is unavailable (e.g. due to third-party service outage).
* jc/ci-skip-unavailable-external-software:
ci: download JGit from maven, not eclipse.org
ci: update the message for unavailble third-party software
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Further code clean-up in the object-store layer.
* ps/object-store-cleanup:
object-store: drop `repo_has_object_file()`
treewide: convert users of `repo_has_object_file()` to `has_object()`
object-store: allow fetching objects via `has_object()`
object-store: move function declarations to their respective subsystems
object-store: move and rename `odb_pack_keep()`
object-store: drop `loose_object_path()`
object-store: move `struct packed_git` into "packfile.h"
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Update send-email to work better with Outlook's smtp server.
* ag/send-email-outlook:
send-email: add --[no-]outlook-id-fix option
send-email: retrieve Message-ID from outlook SMTP server
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Some documentation examples reference "whatchanged", either as a
placeholder command or an example of source structure.
To reduce the need for future edits when `whatchanged` is removed,
replace these references with alternatives:
- In `MyFirstObjectWalk.adoc`, use `version` as the nearby anchor
point for `walken`, instead of `whatchanged`.
- In `user-manual.adoc`, cite `show` instead of `whatchanged` as
a command whose source lives in the same file as `log`.
Helped-by: Elijah Newren <newren@gmail.com>
[en: log message]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commands slated for removal like "git pack-redundant" now require
an explicit "--i-still-use-this" option to run. This is to
discourage casual use and surface their pending deprecation to
users.
The warning message is long, so factor it into a helper function
you_still_use_that() to simplify reuse by other commands.
Also add a missing test to ensure this enforcement works for
"pack-redundant".
Helped-by: Elijah Newren <newren@gmail.com>
[en: log message]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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