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The helper functions: show_submodule_summary(),
prepare_submodule_summary() and print_submodule_summary() are used by
the builtin_diff() function in diff.c to generate a summary of
submodules in the context of a diff. Functions with similar names are to
be introduced in the upcoming port of submodule's summary subcommand.
So, rename the helper functions to '*_diff_submodule_summary()' to avoid
ambiguity.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many `submodule--helper` subcommands follow the convention that a struct
defines their callback data, and the declaration of that struct is
followed immediately by a macro to use in static initializers, without
any separating empty line.
Let's align the `init`, `status` and `sync` subcommands with that convention.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.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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CMake support to build with MSVC for Windows bypassing the Makefile.
* ss/cmake-build:
ci: modification of main.yml to use cmake for vs-build job
cmake: support for building git on windows with msvc and clang.
cmake: support for building git on windows with mingw
cmake: support for testing git when building out of the source tree
cmake: support for testing git with ctest
cmake: installation support for git
cmake: generate the shell/perl/python scripts and templates, translations
Introduce CMake support for configuring Git
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The component to respond to "git fetch" request is made more
configurable to selectively allow or reject object filtering
specification used for partial cloning.
* tb/upload-pack-filters:
t5616: use test_i18ngrep for upload-pack errors
upload-pack.c: introduce 'uploadpackfilter.tree.maxDepth'
upload-pack.c: allow banning certain object filter(s)
list_objects_filter_options: introduce 'list_object_filter_config_name'
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Doc cleanup around "worktree".
* es/worktree-doc-cleanups:
git-worktree.txt: link to man pages when citing other Git commands
git-worktree.txt: make start of new sentence more obvious
git-worktree.txt: fix minor grammatical issues
git-worktree.txt: consistently use term "working tree"
git-worktree.txt: employ fixed-width typeface consistently
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The final leg of SHA-256 transition.
* bc/sha-256-part-3: (39 commits)
t: remove test_oid_init in tests
docs: add documentation for extensions.objectFormat
ci: run tests with SHA-256
t: make SHA1 prerequisite depend on default hash
t: allow testing different hash algorithms via environment
t: add test_oid option to select hash algorithm
repository: enable SHA-256 support by default
setup: add support for reading extensions.objectformat
bundle: add new version for use with SHA-256
builtin/verify-pack: implement an --object-format option
http-fetch: set up git directory before parsing pack hashes
t0410: mark test with SHA1 prerequisite
t5308: make test work with SHA-256
t9700: make hash size independent
t9500: ensure that algorithm info is preserved in config
t9350: make hash size independent
t9301: make hash size independent
t9300: use $ZERO_OID instead of hard-coded object ID
t9300: abstract away SHA-1-specific constants
t8011: make hash size independent
...
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update "git help guides" documentation organization.
* pb/guide-docs:
git.txt: add list of guides
Documentation: don't hardcode command categories twice
help: drop usage of 'common' and 'useful' for guides
command-list.txt: add missing 'gitcredentials' and 'gitremote-helpers'
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Error message fix.
* so/rev-parser-errormessage-fix:
revision: fix die() message for "--unpacked="
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All "mergy" operations that internally use the merge-recursive
machinery should honor the merge.renormalize configuration, but
many of them didn't.
* en/eol-attrs-gotchas:
checkout: support renormalization with checkout -m <paths>
merge: make merge.renormalize work for all uses of merge machinery
t6038: remove problematic test
t6038: make tests fail for the right reason
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Small fixes and workarounds.
* jk/compiler-fixes-and-workarounds:
revision: avoid leak when preparing bloom filter for "/"
revision: avoid out-of-bounds read/write on empty pathspec
config: work around gcc-10 -Wstringop-overflow warning
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Doc updates.
* ny/notes-doc-sample-update:
docs: improve the example that illustrates git-notes path names
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Adjust tests in contrib/ to the recent change to fmt-merge-msg.
* es/adjust-subtree-test-for-merge-msg-update:
Revert "contrib: subtree: adjust test to change in fmt-merge-msg"
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Code cleanup.
* rs/bisect-oid-to-hex-fix:
bisect: use oid_to_hex_r() instead of memcpy()+oid_to_hex()
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Comment fix.
* en/merge-recursive-comment-fixes:
merge-recursive: fix unclear and outright wrong comments
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Test fix.
* ma/t1450-quotefix:
t1450: fix quoting of NUL byte when corrupting pack
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Code cleanup around "worktree" API implementation.
* es/worktree-cleanup:
worktree: retire special-case normalization of main worktree path
worktree: drop bogus and unnecessary path munging
worktree: drop unused code from get_linked_worktree()
worktree: drop pointless strbuf_release()
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The argv_array API is useful for not just managing argv but any
"vector" (NULL-terminated array) of strings, and has seen adoption
to a certain degree. It has been renamed to "strvec" to reduce the
barrier to adoption.
* jk/strvec:
strvec: rename struct fields
strvec: drop argv_array compatibility layer
strvec: update documention to avoid argv_array
strvec: fix indentation in renamed calls
strvec: convert remaining callers away from argv_array name
strvec: convert more callers away from argv_array name
strvec: convert builtin/ callers away from argv_array name
quote: rename sq_dequote_to_argv_array to mention strvec
strvec: rename files from argv-array to strvec
argv-array: rename to strvec
argv-array: use size_t for count and alloc
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The tests added to t5616 in 6dd3456a8c (upload-pack.c: allow banning
certain object filter(s), 2020-08-03) can fail racily, but only with
GETTEXT_POISON enabled.
The tests in question look something like this:
test_must_fail ok=sigpipe git clone --filter=blob:none ... 2>err &&
grep "filter blob:none not supported' err
The remote upload-pack process writes that error message both as an ERR
packet, but also via a die() message. In theory we should see the
message twice in the "err" file. The client relays the message from the
packet to its stderr (with a "remote error:" prefix), and because this
is a local-system clone, upload-pack's stderr goes to the same place.
But because clone may be writing to the pipe when upload-pack calls
die(), it may get SIGPIPE and fail to relay the message. That's why we
need our "ok=sigpipe" trick. But our grep should still work reliably in
that case. Either:
- we got SIGPIPE on the client, which means upload-pack completed its
die(), and we'll see that version of the message.
- the client didn't get SIGPIPE, and so it successfully relays the
message.
In theory we'd see both copies of the message in the second case. But
now always! As soon as the client sees ERR, it exits and we run grep.
But we have no guarantee that the upload-pack process has exited at this
point, or even written its die() message. We might only see the client
version of the message.
Normally that's OK. We only need to see one or the other to pass the
test. But now consider GETTEXT_POISON. upload-pack doesn't translate the
die() message nor the ERR packet. But once the client receives it, it
calls:
die(_("remote error: %s"), buffer + 4);
That message _is_ marked for translation. Normally we'd just replace the
"remote error:" portion of it, but in GETTEXT_POISON mode, we replace
the whole thing with "# GETTEXT POISON #" and don't include the "%s"
part at all. So the whole text from the ERR packet is dropped, and so we
may racily see a test failure if upload-pack's die() call wasn't yet
written.
We can fix it by using test_i18ngrep, which just makes this grep a noop
in the poison mode.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Not all man5/man7 guides are mentioned in the 'git(1)' documentation,
which makes the missing ones somewhat hard to find.
Add a list of the guides to git(1) by leveraging the existing
`Documentation/cmd-list.perl` script to generate a file `cmds-guide.txt`
which gets included in git.txt.
Also, do not hard-code the manual section '1'. Instead, use a regex so
that the manual section is discovered from the first line of each
`git*.txt` file.
This addition was hinted at in 1b81d8cb19 (help: use command-list.txt
for the source of guides, 2018-05-20).
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of hard-coding the list of command categories in both
`Documentation/Makefile` and `Documentation/cmd-list.perl`, make the
Makefile the authoritative source and tweak `cmd-list.perl` so that it
receives the list of command categories as argument.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 1b81d8cb19 (help: use command-list.txt for the source of guides,
2018-05-20), all man5/man7 guides listed in command-list.txt appear in
the output of 'git help -g'.
However, 'git help -g' still prefixes this list with "The common Git
guides are:", which makes one wonder if there are others!
In the same spirit, the man page for 'git help' describes the '--guides'
option as listing 'useful' guides, which is not false per se but can
also be taken to mean that there are other guides that exist but are not
useful.
Instead of 'common' and 'useful', use 'Git concept guides' in both
places. To keep the code in line with this change, rename
help.c::list_common_guides_help to list_guides_help.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The guides 'gitcredentials' and 'gitremote-helpers' do not currently
appear in command-list.txt.
'gitcredentials' was forgotten back when guides were added to
command-list.txt in 1b81d8cb19 (help: use command-list.txt for the
source of guides, 2018-05-20).
'gitremote-helpers' was moved to section 7 in 439cc74632 (docs: move
gitremote-helpers into section 7, 2019-03-25), but command-list.txt was
not updated at the time.
Add these two guides to the list of guides in 'command-list.txt', so
that they appear in the output of 'git help --guides', and capitalize
the first word of the description of 'gitcredentials', as was done in
1b81d8c (help: use command-list.txt for the source of guides,
2018-05-20) for the other guides.
While at it, add a comment in Documentation/Makefile to remind developers
to update command-list.txt if they add a new guide.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Get rid of the trailing dot and mark for translation.
Signed-off-by: Sergey Organov <sorganov@gmail.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 pretend-object mechanism checks if the given object already
exists in the object store before deciding to keep the data
in-core, but the check would have triggered lazy fetching of such
an object from a promissor remote.
* jt/pretend-object-never-come-from-elsewhere:
sha1-file: make pretend_object_file() not prefetch
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While packing many objects in a repository with a promissor remote,
lazily fetching missing objects from the promissor remote one by
one may be inefficient---the code now attempts to fetch all the
missing objects in batch (obviously this won't work for a lazy
clone that lazily fetches tree objects as you cannot even enumerate
what blobs are missing until you learn which trees are missing).
* jt/pack-objects-prefetch-in-batch:
pack-objects: prefetch objects to be packed
pack-objects: refactor to oid_object_info_extended
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Command line completion (in contrib/) update.
* mp/complete-show-color-moved:
completion: add show --color-moved[-ws]
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If we're given an empty pathspec, we refuse to set up bloom filters, as
described in f3c2a36810 (revision: empty pathspecs should not use Bloom
filters, 2020-07-01).
But before the empty string check, we drop any trailing slash by
allocating a new string without it. So a pathspec consisting only of "/"
will allocate that string, but then still cause us to bail, leaking the
new string. Let's make sure to free it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running t4216 with ASan results in it complaining of an out-of-bounds
read in prepare_to_use_bloom_filter(). The issue is this code to strip a
trailing slash:
last_index = pi->len - 1;
if (pi->match[last_index] == '/') {
because we have no guarantee that pi->len isn't zero. This can happen if
the pathspec is ".", as we translate that to an empty string. And if
that read of random memory does trigger the conditional, we'd then do an
out-of-bounds write:
path_alloc = xstrdup(pi->match);
path_alloc[last_index] = '\0';
Let's make sure to check the length before subtracting. Note that for an
empty pathspec, we'd end up bailing from the function a few lines later,
which makes it tempting to just:
if (!pi->len)
return;
early here. But our code here is stripping a trailing slash, and we need
to check for emptiness after stripping that slash, too. So we'd have two
blocks, which would require repeating some cleanup code.
Instead, just skip the trailing-slash for an empty string. Setting
last_index at all in the case is awkward since it will have a nonsense
value (and it uses an "int", which is a too-small type for a string
anyway). So while we're here, let's:
- drop last_index entirely; it's only used in two spots right next to
each other and writing out "pi->len - 1" in both is actually easier
to follow
- use xmemdupz() to duplicate the string. This is slightly more
efficient, but more importantly makes the intent more clear by
allocating the correct-sized substring in the first place. It also
eliminates any question of whether path_alloc is as long as
pi->match (which it would not be if pi->match has any embedded NULs,
though in practice this is probably impossible).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Compiling with gcc-10, -O2, and -fsanitize=undefined results in a
compiler warning:
config.c: In function ‘git_config_copy_or_rename_section_in_file’:
config.c:3170:17: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
3170 | output[0] = '\t';
| ~~~~~~~~~~^~~~~~
config.c:3076:7: note: at offset -1 to object ‘buf’ with size 1024 declared here
3076 | char buf[1024];
| ^~~
This is a false positive. The interesting lines of code are:
int i;
char *output = buf;
...
for (i = 0; buf[i] && isspace(buf[i]); i++)
; /* do nothing */
...
int offset;
offset = section_name_match(&buf[i], old_name);
if (offset > 0) {
...
output += offset + i;
if (strlen(output) > 0) {
/*
* More content means there's
* a declaration to put on the
* next line; indent with a
* tab
*/
output -= 1;
output[0] = '\t';
}
}
So we do assign output to buf initially. Later we increment it based on
"offset" and "i" and then subtract "1" from it. That latter step is what
the compiler is complaining about; it could lead to going off the left
side of the array if "output == buf" at the moment of the subtraction.
For that to be the case, then "offset + i" would have to be 0. But that
can't happen:
- we know that "offset" is at least 1, since we're in a conditional
block that checks that
- we know that "i" is not negative, since it started at 0 and only
incremented over whitespace
So the sum must be at least 1, and therefore it's OK to subtract one
from "output".
But that's not quite the whole story. Since "i" is an int, it could in
theory be possible to overflow to negative (when counting whitespace on
a very large string). But we know that's impossible because we're
counting the 1024-byte buffer we just fed to fgets(), so it can never be
larger than that.
Switching the type of "i" to "unsigned" makes the warning go away, so
let's do that.
Arguably size_t is an even better type (for this and for the other
length fields), but switching to it produces a similar but distinct
warning:
config.c: In function ‘git_config_copy_or_rename_section_in_file’:
config.c:3170:13: error: array subscript -1 is outside array bounds of ‘char[1024]’ [-Werror=array-bounds]
3170 | output[0] = '\t';
| ~~~~~~^~~
config.c:3076:7: note: while referencing ‘buf’
3076 | char buf[1024];
| ^~~
If we were to ever switch off of fgets() to strbuf_getline() or similar,
we'd probably need to use size_t to avoid other overflow problems. But
for now we know we're safe because of the small fixed size of our
buffer.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When citing other Git commands, rather than merely formatting them with
a fixed-width typeface, improve the reader experience by linking to them
directly via `linkgit:`.
Suggested-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reading the rendered description of `add`, it's easy to trip over
and miss the end of one sentence and the start of the next, making it
seem as if they are part of the same statement, separated only by a
dash:
... specific files such as HEAD, index, etc. - may also be
specified as <commit-ish>; it is synonymous with...
This can be particularly confusing since the thoughts expressed by the
two sentences are unrelated. Reduce the likelihood of confusion by
making it obvious that the two sentences are distinct.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a few grammatical problems to improve the reading experience.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As originally composed, git-worktree.txt employed a mix of "worktree"
and "working tree" which was inconsistent and potentially confusing to
readers. bc483285b7 (Documentation/git-worktree: consistently use term
"linked working tree", 2015-07-20) undertook the task of employing the
term "working tree" consistently throughout the document and avoiding
"worktree" altogether for descriptive text. Since that time, some
instances of "worktree" have crept back in. Continue the work of
bc483285b7 by transforming these to "working tree", as well.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-worktree documentation generally does a good job of formatting
literal text using a fixed-width typeface, however, some instances of
unformatted literal text have crept in over time. Fix these.
While at it, also fix a few incorrect typefaces resulting from wrong
choice of Asciidoc quotes.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In b79cf959b2 (upload-pack.c: allow banning certain object filter(s),
2020-02-26), we introduced functionality to disallow certain object
filters from being chosen from within 'git upload-pack'. Traditionally,
administrators use this functionality to disallow filters that are known
to perform slowly, for e.g., those that do not have bitmap-level
filtering.
In the past, the '--filter=tree:<n>' was one such filter that does not
have bitmap-level filtering support, and so was likely to be banned by
administrators.
However, in the previous couple of commits, we introduced bitmap-level
filtering for the case when 'n' is equal to '0', i.e., as if we had a
'--filter=tree:none' choice.
While it would be sufficient to simply write
$ git config uploadpackfilter.tree.allow true
(since it would allow all values of 'n'), we would like to be able to
allow this filter for certain values of 'n', i.e., those no greater than
some pre-specified maximum.
In order to do this, introduce a new configuration key, as follows:
$ git config uploadpackfilter.tree.maxDepth <m>
where '<m>' specifies the maximum allowed value of 'n' in the filter
'tree:n'. Administrators who wish to allow for only the value '0' can
write:
$ git config uploadpackfilter.tree.allow true
$ git config uploadpackfilter.tree.maxDepth 0
which allows '--filter=tree:0', but no other values.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git clients may ask the server for a partial set of objects, where the
set of objects being requested is refined by one or more object filters.
Server administrators can configure 'git upload-pack' to allow or ban
these filters by setting the 'uploadpack.allowFilter' variable to
'true' or 'false', respectively.
However, administrators using bitmaps may wish to allow certain kinds of
object filters, but ban others. Specifically, they may wish to allow
object filters that can be optimized by the use of bitmaps, while
rejecting other object filters which aren't and represent a perceived
performance degradation (as well as an increased load factor on the
server).
Allow configuring 'git upload-pack' to support object filters on a
case-by-case basis by introducing two new configuration variables:
- 'uploadpackfilter.allow'
- 'uploadpackfilter.<kind>.allow'
where '<kind>' may be one of 'blobNone', 'blobLimit', 'tree', and so on.
Setting the second configuration variable for any valid value of
'<kind>' explicitly allows or disallows restricting that kind of object
filter.
If a client requests the object filter <kind> and the respective
configuration value is not set, 'git upload-pack' will default to the
value of 'uploadpackfilter.allow', which itself defaults to 'true' to
maintain backwards compatibility. Note that this differs from
'uploadpack.allowfilter', which controls whether or not the 'filter'
capability is advertised.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a subsequent commit, we will add configuration options that are
specific to each kind of object filter, in which case it is handy to
have a function that translates between 'enum
list_objects_filter_choice' and an appropriate configuration-friendly
string.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reverts commit 508fd8e8baf3e18ee40b2cf0b8899188a8506d07.
In 6e6029a8 (fmt-merge-msg: allow merge destination to be omitted again)
we get back the behavior where merges against 'master', by default, do
not include "into 'master'" at the end of the merge message. This test
fix is no longer needed.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make it clear that the filename has only the rest of the object ID,
not the entirety of it.
Signed-off-by: Noam Yorav-Raphael <noamraph@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'merge' command is not the only one that does merges; other commands
like checkout -m or rebase do as well. Unfortunately, the only area of
the code that checked for the "merge.renormalize" config setting was in
builtin/merge.c, meaning it could only affect merges performed by the
"merge" command. Move the handling of this config setting to
merge_recursive_config() so that other commands can benefit from it as
well. Fixes a few tests in t6038.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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t6038.11, 'cherry-pick patch from after text=auto' was a test of
undefined behavior. To make matters worse, while there are a couple
possible correct answers, this test was coded to only check for an
obviously incorrect answer. And the final cherry on top is that the
test is marked test_expect_failure, meaning it can't provide much value,
other than possibly confusing future folks who come along and try to
work on attributes and look at existing tests. Because of all these
problems, just remove the test.
But for any future code spelunkers, here's my understanding of the two
possible correct answers:
This test was set up so that on a branch with no .gitattributes file,
you cherry-picked a patch from a branch that had a .gitattributes file
(containing '* text=auto'). Further, the two branches had a file which
differed only in line endings. In this situation, correct behavior is
not well defined: should the .gitattributes file affect the merge or
not?
If the .gitattributes file on the other branch should not affect the
merge, then we would have a content conflict with all three stages
different (the merge base didn't match either side).
If the .gitattributes file from the other branch should affect the
merge, then we would expect the line endings to be normalized to LF for
the version to be recorded in the repository. This would mean that when
doing a three-way content merge on the file that differed in line
endings, that the three-way content merge would see that the versions on
both sides matched and so the cherry-pick has no conflicts and can
succeed. The line endings in the file as recorded in the repository
will change from CRLF to LF. The version checked out in the working
copy will depend on the platform (since there's no eol attribute defined
for the file).
Also, as a final side note, this test expected an error message that was
built assuming cherry-pick was the old scripted version, because
cherry-pick no longer uses the error message that was encoded in this
test. So it was wrong for yet another reason.
Given that the handling of .gitattributes is not well defined and this
test was obviously broken and could do nothing but confuse future
readers, just remove it.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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t6038 had a pair of tests that were expected to fail, but weren't
failing for the expected reason. Both were meant to do a merge that
could be done cleanly after renormalization, but were supposed to fail
for lack of renormalization. Unfortunately, both tests had staged
changes, and checkout -m would abort due to the presence of those staged
changes before even attempting a merge.
Fix this first issue by utilizing git-restore instead of git-checkout,
so that the index is left alone and just the working directory gets the
changes we want.
However, there is a second issue with these tests. Technically, they
just wanted to verify that after renormalization, no conflicts would be
present. This could have been checked for by grepping for a lack of
conflict markers, but the test instead tried to compare the working
directory files to an expected result. Unfortunately, the setting of
"text=auto" without setting core.eol to any value meant that the content
of the file (in particular, the line endings) would be
platform-dependent and the tests could only pass on some platforms.
Replace the existing comparison with a call to 'git diff --no-index
--ignore-cr-at-eol' to verify that the contents, other than possible
carriage returns in the file, match the expected results and in
particular that the file has no conflicts from the checkout -m
operation.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Write the hexadecimal object ID directly into the destination buffer
using oid_to_hex_r() instead of writing it into a static buffer first
using oid_to_hex() and then copying it from there using memcpy().
This is shorter, simpler and a bit more efficient.
Reviewed-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commits 7c0a6c8e47 ("merge-recursive: move some definitions around to
clean up the header", 2019-08-17), and b4db8a2b76 ("merge-recursive:
remove useless parameter in merge_trees()", 2019-08-17) added some
useful documentation to the functions, but had a few places where the
new comments were unclear or even misleading. Fix those comments.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use
printf '\0'
to generate a NUL byte which we then `dd` into the packfile to ensure
that we modify the first byte of the first object, thereby
(probabilistically) invalidating the checksum. Except the single quotes
we're using are interpreted to match with the ones we enclose the whole
test in. So we actually execute
printf \0
and end up injecting the ASCII code for "0", 0x30, instead.
The comment right above this `printf` invocation says that "at least one
of [the type bits] is not zero, so setting the first byte to 0 is
sufficient". Substituting "0x30" for "0" in that comment won't do: we'd
need to reason about which bits go where and just what the packfile
looks like that we're modifying in this test.
Let's avoid all of that by actually executing
printf "\0"
to generate a NUL byte, as intended.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A couple of brown-paper-bag fixes, plus the other "The branch
'master' no longer is special" fix.
Now we are ready to rewind 'next'.
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Shourya Shukla
Junio C Hamano
Jeff King
Philippe Blain
Sergey Organov
Eric Sunshine
Taylor Blau
Emily Shaffer
Noam Yorav-Raphael
Elijah Newren
René Scharfe
Martin Ågren