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This is a user facing message for a situation seen in the wild.
Translate it.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `--preserve-merges` option was removed by v2.34.0. However
users may not be aware that it is also a Pull configuration option,
which is still offered by major IDE vendors such as Visual Studio.
Extend the `--preserve-merges` die message to also direct users to
the possible use of the `preserve` option in the `pull.rebase` config.
This is an additional 'belt and braces' information statement.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git would die if a "rebase --preserve-merges" was in progress.
Users could neither --quit, --abort, nor --continue the rebase.
Make the `rebase --abort` option available to allow users to remove
traces of any preserve-merges rebase, even if they had upgraded
during a rebase.
One trigger case was an unexpectedly difficult to resolve conflict, as
reported on the `git-users` group.
(https://groups.google.com/g/git-for-windows/c/3jMWbBlXXHM)
Other potential use-cases include git-experts using the portable
'Git on a stick' to help users with an older git version.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since feebd2d256 (rebase: hide --preserve-merges option, 2019-10-18)
this option is now removed as stated in the subsequent release notes.
Fix and reflow the option tip.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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575fa8a3 (read-cache: read data in a hash-independent way,
2019-02-19) added a new code to copy from the on-disk data into the
name member of the in-core cache entry, which is already done
immediately after that in a way that takes prefix-compression into
account.
Remove this code, as it is not just unnecessary, but also can be
reading beyond the on-disk data, when we are copying very long
prefix string from the previous entry.
Signed-off-by: ZheNing Hu <adlternative@gmail.com>
[jc: rewrote the log message with Réne's findings]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When `show-ref` is combined with the `--heads` or `--tags` options, it
can avoid iterating parts of a repository's references that it doesn't
care about.
But it doesn't take advantage of this potential optimization. When this
command was introduced back in 358ddb62cf (Add "git show-ref" builtin
command, 2006-09-15), `for_each_ref_in()` did exist. But since most
repositories don't have many (any?) references that aren't branches or
tags already, this makes little difference in practice.
Though for repositories with a large imbalance of branches and tags (or,
more likely in the case of server operators, many hidden references),
this can make quite a difference. Take, for example, a repository with
500,000 "hidden" references (all of the form "refs/__hidden__/N"), and
a single branch:
git commit --allow-empty -m "base" &&
seq 1 500000 | sed 's,\(.*\),create refs/__hidden__/\1 HEAD,' |
git update-ref --stdin &&
git pack-refs --all
Outputting the existence of that single branch currently takes on the
order of ~50ms on my machine. The vast majority of this time is wasted
iterating through references that we know we're going to discard.
Instead, teach `show-ref` that it can iterate just "refs/heads" and/or
"refs/tags" when given `--heads` and/or `--tags`, respectively. A few
small interesting things to note:
- When given either option, we can avoid the general-purpose
for_each_ref() call altogether, since we know that it won't give us
any references that we wouldn't filter out already.
- We can make two separate calls to `for_each_fullref_in()` (and
avoid, say, the more specialized `for_each_fullref_in_prefixes()`,
since we know that the set of references enumerated by each is
disjoint, so we'll never see the same reference appear in both
calls.
- We have to use the "fullref" variant (instead of just
`for_each_branch_ref()` and `for_each_tag_ref()`), since we expect
fully-qualified reference names to appear in `show-ref`'s output.
When either of `heads_only` or `tags_only` is set, we can eliminate the
strcmp() calls in `builtin/show-ref.c::show_ref()` altogether, since we
know that `show_ref()` will never see a non-branch or tag reference.
Unfortunately, we can't use `for_each_fullref_in_prefixes()` to enhance
`show-ref`'s pattern matching, since `show-ref` patterns match on the
_suffix_ (e.g., the pattern "foo" shows "refs/heads/foo",
"refs/tags/foo", and etc, not "foo/*").
Nonetheless, in our synthetic example above, this provides a significant
speed-up ("git" is roughly v2.36, "git.compile" is this patch):
$ hyperfine -N 'git show-ref --heads' 'git.compile show-ref --heads'
Benchmark 1: git show-ref --heads
Time (mean ± σ): 49.9 ms ± 6.2 ms [User: 45.6 ms, System: 4.1 ms]
Range (min … max): 46.1 ms … 73.6 ms 43 runs
Benchmark 2: git.compile show-ref --heads
Time (mean ± σ): 2.8 ms ± 0.4 ms [User: 1.4 ms, System: 1.2 ms]
Range (min … max): 1.3 ms … 5.6 ms 957 runs
Summary
'git.compile show-ref --heads' ran
18.03 ± 3.38 times faster than 'git show-ref --heads'
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Users sometimes provide a "username:password" combination in their
plaintext URLs. Since Git stores these URLs in plaintext in the
.git/config file, this is a very insecure way of storing these
credentials. Credential managers are a more secure way of storing this
information.
System administrators might want to prevent this kind of use by users on
their machines.
Create a new "fetch.credentialsInUrl" config option and teach Git to
warn or die when seeing a URL with this kind of information. The warning
anonymizes the sensitive information of the URL to be clear about the
issue.
This change currently defaults the behavior to "allow" which does
nothing with these URLs. We can consider changing this behavior to
"warn" by default if we wish. At that time, we may want to add some
advice about setting fetch.credentialsInUrl=ignore for users who still
want to follow this pattern (and not receive the warning).
An earlier version of this change injected the logic into
url_normalize() in urlmatch.c. While most code paths that parse URLs
eventually normalize the URL, that normalization does not happen early
enough in the stack to avoid attempting connections to the URL first. By
inserting a check into the remote validation, we identify the issue
before making a connection. In the old code path, this was revealed by
testing the new t5601-clone.sh test under --stress, resulting in an
instance where the return code was 13 (SIGPIPE) instead of 128 from the
die().
However, we can reuse the parsing information from url_normalize() in
order to benefit from its well-worn parsing logic. We can use the struct
url_info that is created in that method to replace the password with
"<redacted>" in our error messages. This comes with a slight downside
that the normalized URL might look slightly different from the input URL
(for instance, the normalized version adds a closing slash). This should
not hinder users figuring out what the problem is and being able to fix
the issue.
As an attempt to ensure the parsing logic did not catch any
unintentional cases, I modified this change locally to to use the "die"
option by default. Running the test suite succeeds except for the
explicit username:password URLs used in t5550-http-fetch-dumb.sh and
t5541-http-push-smart.sh. This means that all other tested URLs did not
trigger this logic.
The tests show that the proper error messages appear (or do not
appear), but also count the number of error messages. When only warning,
each process validates the remote URL and outputs a warning. This
happens twice for clone, three times for fetch, and once for push.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.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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A mechanism to pack unreachable objects into a "cruft pack",
instead of ejecting them into loose form to be reclaimed later, has
been introduced.
* tb/cruft-packs:
sha1-file.c: don't freshen cruft packs
builtin/gc.c: conditionally avoid pruning objects via loose
builtin/repack.c: add cruft packs to MIDX during geometric repack
builtin/repack.c: use named flags for existing_packs
builtin/repack.c: allow configuring cruft pack generation
builtin/repack.c: support generating a cruft pack
builtin/pack-objects.c: --cruft with expiration
reachable: report precise timestamps from objects in cruft packs
reachable: add options to add_unseen_recent_objects_to_traversal
builtin/pack-objects.c: --cruft without expiration
builtin/pack-objects.c: return from create_object_entry()
t/helper: add 'pack-mtimes' test-tool
pack-mtimes: support writing pack .mtimes files
chunk-format.h: extract oid_version()
pack-write: pass 'struct packing_data' to 'stage_tmp_packfiles'
pack-mtimes: support reading .mtimes files
Documentation/technical: add cruft-packs.txt
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Disable the "do not remove the directory the user started Git in"
logic when Git cannot tell where that directory is. Earlier we
refused to run in such a case.
* kl/setup-in-unreadable-worktree:
setup: don't die if realpath(3) fails on getcwd(3)
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A workflow change for translators are being proposed.
* jx/l10n-workflow-change:
l10n: Document the new l10n workflow
Makefile: add "po-init" rule to initialize po/XX.po
Makefile: add "po-update" rule to update po/XX.po
po/git.pot: don't check in result of "make pot"
po/git.pot: this is now a generated file
Makefile: remove duplicate and unwanted files in FOUND_SOURCE_FILES
i18n CI: stop allowing non-ASCII source messages in po/git.pot
Makefile: have "make pot" not "reset --hard"
Makefile: generate "po/git.pot" from stable LOCALIZED_C
Makefile: sort source files before feeding to xgettext
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Teach "git repack --geometric" work better with "--keep-pack" and
avoid corrupting the repository when packsize limit is used.
* tb/geom-repack-with-keep-and-max:
builtin/repack.c: ensure that `names` is sorted
t7703: demonstrate object corruption with pack.packSizeLimit
repack: respect --keep-pack with geometric repack
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"sparse-checkout" learns to work well with the sparse-index
feature.
* ds/sparse-sparse-checkout:
sparse-checkout: integrate with sparse index
p2000: add test for 'git sparse-checkout [add|set]'
sparse-index: complete partial expansion
sparse-index: partially expand directories
sparse-checkout: --no-sparse-index needs a full index
cache-tree: implement cache_tree_find_path()
sparse-index: introduce partially-sparse indexes
sparse-index: create expand_index()
t1092: stress test 'git sparse-checkout set'
t1092: refactor 'sparse-index contents' test
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The multi-pack-index code did not protect the packfile it is going
to depend on from getting removed while in use, which has been
corrected.
* tb/midx-race-in-pack-objects:
builtin/pack-objects.c: ensure pack validity from MIDX bitmap objects
builtin/pack-objects.c: ensure included `--stdin-packs` exist
builtin/pack-objects.c: avoid redundant NULL check
pack-bitmap.c: check preferred pack validity when opening MIDX bitmap
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Coding style fix.
* ds/object-file-unpack-loose-header-fix:
object-file: convert 'switch' back to 'if'
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Update the version of FreeBSD image used in Cirrus CI.
* pb/use-freebsd-12.3-in-cirrus-ci:
ci: update Cirrus-CI image to FreeBSD 12.3
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Preliminary code refactoring around transport and bundle code.
* ds/bundle-uri:
bundle.h: make "fd" version of read_bundle_header() public
remote: allow relative_url() to return an absolute url
remote: move relative_url()
http: make http_get_file() external
fetch-pack: move --keep=* option filling to a function
fetch-pack: add a deref_without_lazy_fetch_extended()
dir API: add a generalized path_match_flags() function
connect.c: refactor sending of agent & object-format
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Introduce a filesystem-dependent mechanism to optimize the way the
bits for many loose object files are ensured to hit the disk
platter.
* ns/batch-fsync:
core.fsyncmethod: performance tests for batch mode
t/perf: add iteration setup mechanism to perf-lib
core.fsyncmethod: tests for batch mode
test-lib-functions: add parsing helpers for ls-files and ls-tree
core.fsync: use batch mode and sync loose objects by default on Windows
unpack-objects: use the bulk-checkin infrastructure
update-index: use the bulk-checkin infrastructure
builtin/add: add ODB transaction around add_files_to_cache
cache-tree: use ODB transaction around writing a tree
core.fsyncmethod: batched disk flushes for loose-objects
bulk-checkin: rebrand plug/unplug APIs as 'odb transactions'
bulk-checkin: rename 'state' variable and separate 'plugged' boolean
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Deprecate non-cone mode of the sparse-checkout feature.
* en/sparse-cone-becomes-default:
Documentation: some sparsity wording clarifications
git-sparse-checkout.txt: mark non-cone mode as deprecated
git-sparse-checkout.txt: flesh out pattern set sections a bit
git-sparse-checkout.txt: add a new EXAMPLES section
git-sparse-checkout.txt: shuffle some sections and mark as internal
git-sparse-checkout.txt: update docs for deprecation of 'init'
git-sparse-checkout.txt: wording updates for the cone mode default
sparse-checkout: make --cone the default
tests: stop assuming --no-cone is the default mode for sparse-checkout
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Add a test for the regression introduced in my 9c4d58ff2c3 (ls-tree:
split up "fast path" callbacks, 2022-03-23) and fixed in
350296cc789 (ls-tree: `-l` should not imply recursive listing,
2022-04-04), and test for the test of ls-tree option/mode combinations
to make sure we don't have other blind spots.
The setup for these tests can be shared with those added in the
1041d58b4d9 (Merge branch 'tl/ls-tree-oid-only', 2022-04-04) topic, so
let's create a new t/lib-t3100.sh to help them share data.
The existing tests in "t3104-ls-tree-format.sh" didn't deal with a
submodule, which they'll now encounter with as the
setup_basic_ls_tree_data() sets one up.
This extensive testing should give us confidence that there were no
further regressions in this area. The lack of testing was noted back
in [1], but unfortunately we didn't cover that blind-spot before
9c4d58ff2c3.
1. https://lore.kernel.org/git/211115.86o86lqe3c.gmgdl@evledraar.gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Follow-up on a preceding commit which changed all references to the
"env_array" when referring to the "struct child_process" member. These
changes are all unnecessary for the compiler, but help the code's
human readers.
All the comments that referred to "env_array" have now been updated,
as well as function names and variables that had "env_array" in their
name, they now refer to "env".
In addition the "out" name for the submodule.h prototype was
inconsistent with the function definition's use of "env_array" in
submodule.c. Both of them use "env" now.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Start following-up on the rename mentioned in c7c4bdeccf3 (run-command
API: remove "env" member, always use "env_array", 2021-11-25) of
"env_array" to "env".
The "env_array" name was picked in 19a583dc39e (run-command: add
env_array, an optional argv_array for env, 2014-10-19) because "env"
was taken. Let's not forever keep the oddity of "*_array" for this
"struct strvec", but not for its "args" sibling.
This commit is almost entirely made with a coccinelle rule[1]. The
only manual change here is in run-command.h to rename the struct
member itself and to change "env_array" to "env" in the
CHILD_PROCESS_INIT initializer.
The rest of this is all a result of applying [1]:
* make contrib/coccinelle/run_command.cocci.patch
* patch -p1 <contrib/coccinelle/run_command.cocci.patch
* git add -u
1. cat contrib/coccinelle/run_command.pending.cocci
@@
struct child_process E;
@@
- E.env_array
+ E.env
@@
struct child_process *E;
@@
- E->env_array
+ E->env
I've avoided changing any comments and derived variable names here,
that will all be done in the next commit.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change "BUG" output originally added in a97e4075a16 (Keep
rename/rename conflicts of intermediate merges while doing recursive
merge, 2007-03-31), and later made to say it was a "BUG" in
19c6a4f8369 (merge-recursive: do not return NULL only to cause
segfault, 2010-01-21) to use the new bug() function.
This gets the same job done with slightly less code, as we won't need
to prefix lines with "BUG: ". More importantly we'll now log the full
set of messages via trace2, before this we'd only log the one BUG()
invocation.
We don't replace the last "BUG()" invocation with "BUG_if_bug()", as
in this case we're sure that we called bug() earlier, so there's no
need to make it a conditional.
While we're at it let's replace "There" with "there" in the message,
i.e. not start a message with a capital letter, per the
CodingGuidelines.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Amend code added in a6a84319686 (receive-pack.c: shorten the
execute_commands loop over all commands, 2015-01-07) and amended to
hard die in b6a4788586d (receive-pack.c: die instead of error in case
of possible future bug, 2015-01-07) to use the new bug() function
instead.
Let's also rename the warn_if_*() function that code is in to
BUG_if_*(), its name became outdated in b6a4788586d.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the assertions added in bf3ff338a25 (parse-options: stop
abusing 'callback' for lowlevel callbacks, 2019-01-27) to use optbug()
instead of BUG(). At this point we're looping over individual options,
so if we encounter any issues we'd like to report the offending option.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we run into bugs in parse-options.c usage it's good to be able to
note all the issues we ran into before dying. This use-case is why we
have the optbug() function introduced in 1e5ce570ca3 (parse-options:
clearer reporting of API misuse, 2010-12-02)
Let's change this code to use the new bug() API introduced in the
preceding commit, which cuts down on the verbosity of
parse_options_check().
There are existing uses of BUG() in adjacent code that should have
been using optbug() that aren't being changed here. That'll be done in
a subsequent commit. This only changes the optbug() callers.
Since this will invoke BUG() the previous exit(128) code will be
changed, but in this case that's what we want, i.e. to have
encountering a BUG() return the specific "BUG" exit code.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a bug() function to use in cases where we'd like to indicate a
runtime BUG(), but would like to defer the BUG() call because we're
possibly accumulating more bug() callers to exhaustively indicate what
went wrong.
We already have this sort of facility in various parts of the
codebase, just in the form of ad-hoc re-inventions of the
functionality that this new API provides. E.g. this will be used to
replace optbug() in parse-options.c, and the 'error("BUG:[...]' we do
in a loop in builtin/receive-pack.c.
Unlike the code this replaces we'll log to trace2 with this new bug()
function (as with other usage.c functions, including BUG()), we'll
also be able to avoid calls to xstrfmt() in some cases, as the bug()
function itself accepts variadic sprintf()-like arguments.
Any caller to bug() can follow up such calls with BUG_if_bug(),
which will BUG() out (i.e. abort()) if there were any preceding calls
to bug(), callers can also decide not to call BUG_if_bug() and leave
the resulting BUG() invocation until exit() time. There are currently
no bug() API users that don't call BUG_if_bug() themselves after a
for-loop, but allowing for not calling BUG_if_bug() keeps the API
flexible. As the tests and documentation here show we'll catch missing
BUG_if_bug() invocations in our exit() wrapper.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the exit() wrapper added in ee4512ed481 (trace2: create new
combined trace facility, 2019-02-22) so that we'll split up the trace2
logging concerns from wanting to wrap the "exit()" function itself for
other purposes.
This makes more sense structurally, as we won't seem to conflate
non-trace2 behavior with the trace2 code. I'd previously added an
explanation for this in 368b5843158 (common-main.c: call exit(), don't
return, 2021-12-07), that comment is being adjusted here.
Now the only thing we'll do if we're not using trace2 is to truncate
the "code" argument to the lowest 8 bits.
We only need to do that truncation on non-POSIX systems, but in
ee4512ed481 that "if defined(__MINGW32__)" code added in
47e3de0e796 (MinGW: truncate exit()'s argument to lowest 8 bits,
2009-07-05) was made to run everywhere. It might be good for clarify
to narrow that down by an "ifdef" again, but I'm not certain that in
the interim we haven't had some other non-POSIX systems rely the
behavior. On a POSIX system taking the lowest 8 bits is implicit, see
exit(3)[1] and wait(2)[2]. Let's leave a comment about that instead.
1. https://man7.org/linux/man-pages/man3/exit.3.html
2. https://man7.org/linux/man-pages/man2/wait.2.html
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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According to the HTML Standard FAQ:
“What is the DOCTYPE for modern HTML documents?
In text/html documents:
<!DOCTYPE html>
In documents delivered with an XML media type: no DOCTYPE is required
and its use is generally unnecessary. However, you may use one if you
want (see the following question). Note that the above is well-formed
XML.”
Source: [1]
Gitweb uses an XHTML 1.0 DOCTYPE:
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
While that DOCTYPE is still valid [2], it has several disadvantages:
1. It’s misleading. If an XML parser uses the DTD at the given link,
then the entities and ⋅ won’t get declared. Instead, the
parser has to use a DTD from the HTML Standard that has nothing to do
with XHTML 1.0 [2].
2. It’s obsolete. XHTML 1.0 was last revised in 2002 and was superseded in
2018 [3].
3. It’s unreliable. Gitweb uses and ⋅ but lets an external file
define them. “[…U]using entity references for characters in XML documents
is unsafe if they are defined in an external file (except for <, >,
&, ", and ').” [4]
[1]: <https://github.com/whatwg/html/blob/main/FAQ.md#what-is-the-doctype-for-modern-html-documents>
[2]: <https://html.spec.whatwg.org/multipage/xhtml.html#parsing-xhtml-documents>
[3]: <https://www.w3.org/TR/xhtml1/#xhtml>
[4]: <https://html.spec.whatwg.org/multipage/xhtml.html#writing-xhtml-documents>
Signed-off-by: Jason Yundt <jason@jasonyundt.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Branch names can't be empty, so config keys with an empty branch name,
e.g. "branch..remote", are silently ignored.
Since these config keys will never be useful, make it a fatal error when
remote.c finds a key that starts with "branch." and has an empty
subsection.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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4a2dcb1a08 (remote: die if branch is not found in repository,
2021-11-17) introduced a regression where multiple config entries with
an empty branch name, e.g.
[branch ""]
remote = foo
merge = bar
could cause Git to fail when it tries to look up branch tracking
information.
We parse the config key to get (branch name, branch name length), but
when the branch name subsection is empty, we get a bogus branch name,
e.g. "branch..remote" gives (".remote", 0). We continue to use the bogus
branch name as if it were valid, and prior to 4a2dcb1a08, this wasn't an
issue because length = 0 caused the branch name to effectively be ""
everywhere.
However, that commit handles length = 0 inconsistently when we create
the branch:
- When find_branch() is called to check if the branch exists in the
branch hash map, it interprets a length of 0 to mean that it should
call strlen on the char pointer.
- But the code path that inserts into the branch hash map interprets a
length of 0 to mean that the string is 0-length.
This results in the bug described above:
- "branch..remote" looks for ".remote" in the branch hash map. Since we
do not find it, we insert the "" entry into the hash map.
- "branch..merge" looks for ".merge" in the branch hash map. Since we
do not find it, we again try to insert the "" entry into the hash map.
However, the entries in the branch hash map are supposed to be
appended to, not overwritten.
- Since overwriting an entry is a BUG(), Git fails instead of silently
ignoring the empty branch name.
Fix the bug by removing the convenience strlen functionality, so that
0 means that the string is 0-length. We still insert a bogus branch name
into the hash map, but this will be fixed in a later commit.
Reported-by: "Ing. Martin Prantl Ph.D." <perry@ntis.zcu.cz>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reverts commit 9c539d1027 (config.mak.dev: alternative
workaround to gcc 12 warning in http.c, 2022-04-15).
Let's give GCC12's "dangling-pointer" warning a second chance, as we
have a more focused workaround for this particular compiler glitch.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fast-tracking GitHub CI Windows build fixes.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Meant to go with js/ci-gcc-12-fixes.
* jc/http-clear-finished-pointer:
http.c: clear the 'finished' member once we are done with it
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Fixes real problems noticed by gcc 12 and works around false
positives.
* js/ci-gcc-12-fixes:
dir.c: avoid "exceeds maximum object size" error with GCC v12.x
nedmalloc: avoid new compile error
compat/win32/syslog: fix use-after-realloc
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As 'revert' and 'cherry-pick' share a lot of code, it is easy to
modify the behaviour of one command and inadvertently affect the
other. An earlier change to teach the '--reference' option and the
'revert.reference' configuration variable to the former was not
careful enough and 'cherry-pick --reference' wasn't rejected as an
error.
It is possible to think 'cherry-pick -x' might benefit from the
'--reference' option, but it is fundamentally different from
'revert' in at least two ways to make it questionable:
- 'revert' names a commit that is ancestor of the resulting commit,
so an abbreviated object name with human readable title is
sufficient to identify the named commit uniquely without using
the full object name. On the other hand, 'cherry-pick'
usually [*] picks a commit that is not an ancestor. It might be
even picking a private commit that never becomes part of the
public history.
- The whole commit message of 'cherry-pick' is a copy of the
original commit, and there is nothing gained to repeat only the
title part on 'cherry-picked from' message.
[*] well, you could revert and then you can pick the original that
was reverted to get back to where you were, but then you can
revert the revert to do the same thing.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
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 -i" was rewritten in C some time ago and has been in
testing; the reimplementation is now exposed to general public by
default.
* js/use-builtin-add-i:
add -i: default to the built-in implementation
t2016: require the PERL prereq only when necessary
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The tests that ensured merges stop when interfering local changes
are present did not make sure that local changes are preserved; now
they do.
* jc/t6424-failing-merge-preserve-local-changes:
t6424: make sure a failed merge preserves local changes
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With the new http.curloptResolve configuration, the CURLOPT_RESOLVE
mechanism that allows cURL based applications to use pre-resolved
IP addresses for the requests is exposed to the scripts.
* cc/http-curlopt-resolve:
http: add custom hostname to IP address resolutions
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When operating at the scale that Scalar wants to support, certain data
shapes are more likely to cause undesirable performance issues, such as
large numbers of loose objects.
By including statistics about this, `scalar diagnose` now makes it
easier to identify such scenarios.
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's helpful to see if there are other crud files in the pack
directory. Let's teach the `scalar diagnose` command to gather
file size information about pack files.
While at it, also enumerate the pack files in the alternate
object directories, if any are registered.
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When analyzing problems with large worktrees/repositories, it is useful
to know how close to a "full disk" situation Scalar/Git operates. Let's
include this information.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Over the course of Scalar's development, it became obvious that there is
a need for a command that can gather all kinds of useful information
that can help identify the most typical problems with large
worktrees/repositories.
The `diagnose` command is the culmination of this hard-won knowledge: it
gathers the installed hooks, the config, a couple statistics describing
the data shape, among other pieces of information, and then wraps
everything up in a tidy, neat `.zip` archive.
Note: originally, Scalar was implemented in C# using the .NET API, where
we had the luxury of a comprehensive standard library that includes
basic functionality such as writing a `.zip` file. In the C version, we
lack such a commodity. Rather than introducing a dependency on, say,
libzip, we slightly abuse Git's `archive` machinery: we write out a
`.zip` of the empty try, augmented by a couple files that are added via
the `--add-file*` options. We are careful trying not to modify the
current repository in any way lest the very circumstances that required
`scalar diagnose` to be run are changed by the `diagnose` run itself.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `scalar` command needs a Scalar enlistment for many subcommands, and
looks in the current directory for such an enlistment (traversing the
parent directories until it finds one).
These is subcommands can also be called with an optional argument
specifying the enlistment. Here, too, we traverse parent directories as
needed, until we find an enlistment.
However, if the specified directory does not even exist, or is not a
directory, we should stop right there, with an error message.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By allowing the path to be enclosed in double-quotes, we can avoid
the limitation that paths cannot contain colons.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the `--add-virtual-file=<path>:<content>` option, `git archive` now
supports use cases where relatively trivial files need to be added that
do not exist on disk.
This will allow us to generate `.zip` files with generated content,
without having to add said content to the object database and without
having to write it out to disk.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
[jc: tweaked <path> handling]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Pathspecs with only negative elements did not work with some
commands that pass the pathspec along to a subprocess. For
instance,
$ git add -p -- ':!*.txt'
should add everything except for paths ending in ".txt", but it gets
complaint from underlying "diff-index" and aborts.
We used to error out when a pathspec with only negative elements in
it, like the one in the above example. Later, 859b7f1d (pathspec:
don't error out on all-exclusionary pathspec patterns, 2017-02-07)
updated the logic to add an empty string as an extra element. The
intention was to let the extra element to match everything and let
the negative ones given by the user to subtract from it.
At around the same time, we were migrating from "an empty string is
a valid pathspec element that matches everything" to "either a dot
or ":/" is used to match all, and an empty string is rejected",
between d426430e (pathspec: warn on empty strings as pathspec,
2016-06-22) and 9e4e8a64 (pathspec: die on empty strings as
pathspec, 2017-06-06). I think 9e4e8a64, which happened long after
859b7f1d happened, was not careful enough to turn the empty string
859b7f1d added to either a dot or ":/".
A care should be taken as the definition of "everything" depends on
subcommand. For the purpose of "add -p", adding a "." to add
everything in the current directory is the right thing to do. But
for some other commands, ":/" (i.e. really really everything, even
things outside the current subdirectory) is the right choice.
We would break commands in a big way if we get this wrong, so add a
handful of test pieces to make sure the resulting code still
excludes the paths that are expected and includes "everything" else.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rs/document-archive-prefix:
archive: improve documentation of --prefix
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Document the interaction between --add-file and --prefix by giving an
example.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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