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In write_commit_graph_file() we now have one block of code filling the
array of 'struct chunk_info' with the IDs and sizes of chunks to be
written, and an other block of code calling the functions responsible
for writing individual chunks. In case of optional chunks like Extra
Edge List an Base Graphs List there is also a condition checking
whether that chunk is necessary/desired, and that same condition is
repeated in both blocks of code. Other, newer chunks have similar
optional conditions.
Eliminate these repeated conditions by storing the function pointers
responsible for writing individual chunks in the 'struct chunk_info'
array as well, and calling them in a loop to write the commit-graph
file. This will open up the possibility for a bit of foolproofing in
the following patch.
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the write_graph_chunk_*() helper functions to have the same
signature:
- Return an int error code from all these functions.
write_graph_chunk_base() already has an int error code, now the
others will have one, too, but since they don't indicate any
error, they will always return 0.
- Drop the hash size parameter of write_graph_chunk_oids() and
write_graph_chunk_data(); its value can be read directly from
'the_hash_algo' inside these functions as well.
This opens up the possibility for further cleanups and foolproofing in
the following two patches.
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The changed-path Bloom filters were released in v2.27.0, but have a
significant drawback. A user can opt-in to writing the changed-path
filters using the "--changed-paths" option to "git commit-graph write"
but the next write will drop the filters unless that option is
specified.
This becomes even more important when considering the interaction with
gc.writeCommitGraph (on by default) or fetch.writeCommitGraph (part of
features.experimental). These config options trigger commit-graph writes
that the user did not signal, and hence there is no --changed-paths
option available.
Allow a user that opts-in to the changed-path filters to persist the
property of "my commit-graph has changed-path filters" automatically. A
user can drop filters using the --no-changed-paths option.
In the process, we need to be extremely careful to match the Bloom
filter settings as specified by the commit-graph. This will allow future
versions of Git to customize these settings, and the version with this
change will persist those settings as commit-graphs are rewritten on
top.
Use the trace2 API to signal the settings used during the write, and
check that output in a test after manually adjusting the correct bytes
in the commit-graph file.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The get_bloom_filter() method is a bit complicated in some parts where
it does not need to be. In particular, it needs to return a NULL filter
only when compute_if_not_present is zero AND the filter data cannot be
loaded from a commit-graph file. This currently happens by accident
because the commit-graph does not load changed-path Bloom filters from
an existing commit-graph when writing a new one. This will change in a
later patch.
Also clean up some style issues while we are here.
One side-effect of returning a NULL filter is that the filters that are
reported as "too large" will now be reported as NULL insead of length
zero. This case was not properly covered before, so add a test. Further,
remote the counting of the zero-length filters from revision.c and the
trace2 logs.
Helped-by: René Scharfe <l.s.r@web.de>
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're starting to stop treating `master' specially in fmt-merge-msg.
Adjust the test to reflect that change.
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@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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"git diff-files" has been taught to say paths that are marked as
intent-to-add are new files, not modified from an empty blob.
* sk/diff-files-show-i-t-a-as-new:
diff-files: treat "i-t-a" files as "not-in-index"
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Leakfix.
* rs/commit-reach-leakfix:
commit-reach: plug minor memory leak after using is_descendant_of()
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Leakfix.
* rs/pull-leakfix:
pull: plug minor memory leak after using is_descendant_of()
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A misdesigned strbuf_write_fd() function has been retired.
* rs/retire-strbuf-write-fd:
strbuf: remove unreferenced strbuf_write_fd method.
bugreport.c: replace strbuf_write_fd with write_in_full
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An in-code comment in "git diff" has been updated.
* dl/diff-usage-comment-update:
builtin/diff: fix botched update of usage comment
builtin/diff: update usage comment
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Allow runtime upgrade of the repository format version, which needs
to be done carefully.
There is a rather unpleasant backward compatibility worry with the
last step of this series, but it is the right thing to do in the
longer term.
* xl/upgrade-repo-format:
check_repository_format_gently(): refuse extensions for old repositories
sparse-checkout: upgrade repository to version 1 when enabling extension
fetch: allow adding a filter after initial clone
repository: add a helper function to perform repository format upgrade
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Teach .github/workflows/main.yml to use CMake for VS builds.
Modified the vs-test step to match windows-test step. This speeds
up the vs-test. Calling git-cmd from powershell and then calling git-bash
to perform the tests slows things down(factor of about 6). So git-bash
is directly called from powershell to perform the tests using prove.
NOTE: Since GitHub keeps the same directory for each job
(with respect to path) absolute paths are used in the bin-wrapper
scripts.
GitHub has switched to CMake 3.17.1 which changed the behaviour of
FindCURL module. An extra definition (-DCURL_NO_CURL_CMAKE=ON) has been
added to revert to the old behaviour.
In the configuration phase CMake looks for the required libraries for
building git (eg zlib,libiconv). So we extract the libraries before we
configure.
To check for ICONV_OMITS_BOM libiconv.dll needs to be in the working
directory of script or path. So we copy the dlls before we configure.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch adds support for Visual Studio and Clang builds
The minimum required version of CMake is upgraded to 3.15 because
this version offers proper support for Clang builds on Windows.
Libintl is not searched for when building with Visual Studio or Clang
because there is no binary compatible version available yet.
NOTE: In the link options invalidcontinue.obj has to be included.
The reason for this is because by default, Windows calls abort()'s
instead of setting errno=EINVAL when invalid arguments are passed to
standard functions.
This commit explains it in detail:
4b623d80f73528a632576990ca51e34c333d5dd6
On Windows the default generator is Visual Studio,so for Visual Studio
builds do this:
cmake `relative-path-to-srcdir`
NOTE: Visual Studio generator is a multi config generator, which means
that Debug and Release builds can be done on the same build directory.
For Clang builds do this:
On bash
CC=clang cmake `relative-path-to-srcdir` -G Ninja
-DCMAKE_BUILD_TYPE=[Debug or Release]
On cmd
set CC=Clang
cmake `relative-path-to-srcdir` -G Ninja
-DCMAKE_BUILD_TYPE=[Debug or Release]
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch facilitates building git on Windows with CMake using MinGW
NOTE: The funtions unsetenv and hstrerror are not checked in Windows
builds.
Reasons
NO_UNSETENV is not compatible with Windows builds.
lines 262-264 compat/mingw.h
compat/mingw.h(line 25) provides a definition of hstrerror which
conflicts with the definition provided in
git-compat-util.h(lines 733-736).
To use CMake on Windows with MinGW do this:
cmake `relative-path-to-srcdir` -G "MinGW Makefiles"
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch allows git to be tested when performin out of source builds.
This involves changing GIT_BUILD_DIR in t/test-lib.sh to point to the
build directory. Also some miscellaneous copies from the source directory
to the build directory.
The copies are:
t/chainlint.sed needed by a bunch of test scripts
po/is.po needed by t0204-gettext-rencode-sanity
mergetools/tkdiff needed by t7800-difftool
contrib/completion/git-prompt.sh needed by t9903-bash-prompt
contrib/completion/git-completion.bash needed by t9902-completion
contrib/svn-fe/svnrdump_sim.py needed by t9020-remote-svn
NOTE: t/test-lib.sh is only modified when tests are run not during
the build or configure.
The trash directory is still srcdir/t
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch provides an alternate way to test git using ctest.
CTest ships with CMake, so there is no additional dependency being
introduced.
To perform the tests with ctest do this after building:
ctest -j[number of jobs]
NOTE: -j is optional, the default number of jobs is 1
Each of the jobs does this:
cd t/ && sh t[something].sh
The reason for using CTest is that it logs the output of the tests
in a neat way, which can be helpful during diagnosis of failures.
After the tests have run ctest generates three log files located in
`build-directory`/Testing/Temporary/
These log files are:
CTestCostData.txt:
This file contains the time taken to complete each test.
LastTestsFailed.log:
This log file contains the names of the tests that have failed in the
run.
LastTest.log:
This log file contains the log of all the tests that have run.
A snippet of the file is given below.
10/901 Testing: D:/my/git-master/t/t0009-prio-queue.sh
10/901 Test: D:/my/git-master/t/t0009-prio-queue.sh
Command: "sh.exe" "D:/my/git-master/t/t0009-prio-queue.sh"
Directory: D:/my/git-master/t
"D:/my/git-master/t/t0009-prio-queue.sh"
Output:
----------------------------------------------------------
ok 1 - basic ordering
ok 2 - mixed put and get
ok 3 - notice empty queue
ok 4 - stack order
passed all 4 test(s)
1..4
<end of output>
Test time = 1.11 sec
NOTE: Testing only works when building in source for now.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Install the built binaries and scripts using CMake
This is very similar to `make install`.
By default the destination directory(DESTDIR) is /usr/local/ on Linux
To set a custom installation path do this:
cmake `relative-path-to-srcdir`
-DCMAKE_INSTALL_PREFIX=`preferred-install-path`
Then run `make install`
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implement the placeholder substitution to generate scripted
Porcelain commands, e.g. git-request-pull out of
git-request-pull.sh
Generate shell/perl/python scripts and template using CMake instead of
using sed like the build procedure in the Makefile does.
The text translations are only build if `msgfmt` is found in your path.
NOTE: The scripts and templates are generated during configuration.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some older versions of gcc complain about this line:
builtin/fast-export.c:412:2: error: dereferencing type-punned pointer
will break strict-aliasing rules [-Werror=strict-aliasing]
put_be32(oid.hash + hashsz - 4, counter++);
^
This seems to be a false positive, as there's no type-punning at all
here. oid.hash is an array of unsigned char; when we pass it to a
function it decays to a pointer to unsigned char. We do take a void
pointer in put_be32(), but it's immediately aliased with another pointer
to unsigned char (and clearly the compiler is looking inside the inlined
put_be32(), since the warning doesn't happen with -O0).
This happens on gcc 4.8 and 4.9, but not later versions (I tested gcc 6,
7, 8, and 9).
We can work around it by using a local array instead of an object_id
struct. This is a little more intimate with the details of object_id,
but for whatever reason doesn't seem to trigger the compiler warning.
We can revert this patch once we decide that those gcc versions are too
old to care about for a warning like this (gcc 4.8 is the default
compiler for Ubuntu Trusty, which is out-of-support but not fully
end-of-life'd until April 2022).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running "fast-export --anonymize" will leave "refs/heads/master"
untouched in the output, for two reasons:
- it helped to have some known reference point between the original
and anonymized repository
- since it's historically the default branch name, it doesn't leak any
information
Now that we can ask fast-export to retain particular tokens, we have a
much better tool for the first one (because it works for any ref, not
just master).
For the second, the notion of "default branch name" is likely to become
configurable soon, at which point the name _does_ leak information.
Let's drop this special case in preparation.
Note that we have to adjust the test a bit, since it relied on using the
name "master" in the anonymized repos. We could just use
--anonymize-map=master to keep the same output, but then we wouldn't
know if it works because of our hard-coded master or because of the
explicit map.
So let's flip the test a bit, and confirm that we anonymize "master",
but keep "other" in the output.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After you anonymize a repository, it can be hard to find which commits
correspond between the original and the result, and thus hard to
reproduce commands that triggered bugs in the original.
Let's make it possible to seed the anonymization map. This lets users
either:
- mark names to be retained as-is, if they don't consider them secret
(in which case their original commands would just work)
- map names to new values, which lets them adapt the reproduction
recipe to the new names without revealing the originals
The implementation is fairly straight-forward. We already store each
anonymized token in a hashmap (so that the same token appearing twice is
converted to the same result). We can just introduce a new "seed"
hashmap which is consulted first.
This does make a few more promises to the user about how we'll anonymize
things (e.g., token-splitting pathnames). But it's unlikely that we'd
want to change those rules, even if the actual anonymization of a single
token changes. And it makes things much easier for the user, who can
unblind only a directory name without having to specify each path within
it.
One alternative to this approach would be to anonymize as we see fit,
and then dump the whole refname and pathname mappings to a file. This
does work, but it's a bit awkward to use (you have to manually dig the
items you care about out of the mapping).
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A branch name used in a test has been clarified to match what is
going on.
* pb/t4014-unslave:
t4014: do not use "slave branch" nomenclature
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The "fetch/clone" protocol has been updated to allow the server to
instruct the clients to grab pre-packaged packfile(s) in addition
to the packed object data coming over the wire.
* jt/cdn-offload:
upload-pack: fix a sparse '0 as NULL pointer' warning
upload-pack: send part of packfile response as uri
fetch-pack: support more than one pack lockfile
upload-pack: refactor reading of pack-objects out
Documentation: add Packfile URIs design doc
Documentation: order protocol v2 sections
http-fetch: support fetching packfiles by URL
http-fetch: refactor into function
http: refactor finish_http_pack_request()
http: use --stdin when indexing dumb HTTP pack
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Rewrite of parts of the scripted "git submodule" Porcelain command
continues; this time it is "git submodule set-branch" subcommand's
turn.
* ss/submodule-set-branch-in-c:
submodule: port subcommand 'set-branch' from shell to C
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"git merge-base --is-ancestor" is taught to take advantage of the
commit graph.
* ds/merge-base-is-ancestor-optim:
commit-reach: use fast logic in repo_in_merge_base
commit-reach: create repo_is_descendant_of()
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Code clean-up around "git branch" with a minor bugfix.
* dl/branch-cleanup:
branch: don't mix --edit-description
t3200: test for specific errors
t3200: rename "expected" to "expect"
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Code clean-up in the codepath that serves "git fetch" continues.
* cc/upload-pack-data-3:
upload-pack: refactor common code into do_got_oid()
upload-pack: move oldest_have to upload_pack_data
upload-pack: pass upload_pack_data to got_oid()
upload-pack: pass upload_pack_data to ok_to_give_up()
upload-pack: pass upload_pack_data to send_acks()
upload-pack: pass upload_pack_data to process_haves()
upload-pack: change allow_unadvertised_object_request to an enum
upload-pack: move allow_unadvertised_object_request to upload_pack_data
upload-pack: move extra_edge_obj to upload_pack_data
upload-pack: move shallow_nr to upload_pack_data
upload-pack: pass upload_pack_data to send_unshallow()
upload-pack: pass upload_pack_data to deepen_by_rev_list()
upload-pack: pass upload_pack_data to deepen()
upload-pack: pass upload_pack_data to send_shallow_list()
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"git diff" used to take arguments in random and nonsense range
notation, e.g. "git diff A..B C", "git diff A..B C...D", etc.,
which has been cleaned up.
* ct/diff-with-merge-base-clarification:
Documentation: usage for diff combined commits
git diff: improve range handling
t/t3430: avoid undefined git diff behavior
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Code clean-up of "git clean" resulted in a fix of recent
performance regression.
* en/clean-cleanups:
clean: optimize and document cases where we recurse into subdirectories
clean: consolidate handling of ignored parameters
dir, clean: avoid disallowed behavior
dir: fix a few confusing comments
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The command line completion (in contrib/) learned to complete
options that the "git switch" command takes.
* jk/complete-git-switch:
completion: improve handling of --orphan option of switch/checkout
completion: improve handling of -c/-C and -b/-B in switch/checkout
completion: improve handling of --track in switch/checkout
completion: improve handling of --detach in checkout
completion: improve completion for git switch with no options
completion: improve handling of DWIM mode for switch/checkout
completion: perform DWIM logic directly in __git_complete_refs
completion: extract function __git_dwim_remote_heads
completion: replace overloaded track term for __git_complete_refs
completion: add tests showing subpar switch/checkout --orphan logic
completion: add tests showing subpar -c/C argument completion
completion: add tests showing subpar -c/-C startpoint completion
completion: add tests showing subpar switch/checkout --track logic
completion: add tests showing subar checkout --detach logic
completion: add tests showing subpar DWIM logic for switch/checkout
completion: add test showing subpar git switch completion
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As our test suite partially reflects how we work in the Git project, it
is natural that the branch name `pu` was used in a couple places.
Since that branch was renamed to `seen`, let's use the new name
consistently.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch tries to rewrite history a bit: the mail contents that have
been added to Git's source code are actually fixed, we cannot change
them in hindsight.
But as the `pu` branch _was_ renamed, and as the documents were added to
Git's source code not so much as historical record, but to describe the
status quo, let's pretend that we have a time machine and adjust the
provided information accordingly.
Where appropriate, quotes were added for readability.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As of "What's cooking in git.git (Jun 2020, #04; Mon, 22)", there is no
longer any `pu` branch, but a `seen` branch.
While we technically do not even need to update the manual pages, it
makes sense to update them because they clearly talk about branches in
git.git.
Please note that in two instances, this patch not only updates the
branch name, but also the description "(proposed updates)".
Where appropriate, quotes have been added for readability.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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get_worktrees() retrieves a list of all worktrees associated with a
repository, including the main worktree. The location of the main
worktree is determined by get_main_worktree() which needs to handle
three distinct cases for the main worktree after absolute-path
conversion:
* <bare-repository>/.
* <main-worktree>/.git/. (when $CWD is .git)
* <main-worktree>/.git (when $CWD is any worktree)
They all need to be normalized to just the <path> portion, dropping any
"/." or "/.git" suffix.
It turns out, however, that get_main_worktree() was only handling the
first and last cases, i.e.:
if (!strip_suffix(path, "/.git"))
strip_suffix(path, "/.");
This shortcoming was addressed by 45f274fbb1 (get_main_worktree(): allow
it to be called in the Git directory, 2020-02-23) by changing the logic
to:
strip_suffix(path, "/.");
if (!strip_suffix(path, "/.git"))
strip_suffix(path, "/.");
which makes the final strip_suffix() invocation dead-code.
Fix this oversight by enumerating the three distinct cases explicitly
rather than attempting to strip the suffix(es) incrementally.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The default name of the initial branch in new repositories can now be
configured. The `testsvn` remote helper translates the remote Subversion
repository's branch name `trunk` to the hard-coded name `master`.
Clearly, the intention was to make the name align with Git's defaults.
So while we are not talking about a newly-created repository in the
`testsvn` context, it is a newly-created _Git_ repository, si it _still_
makes sense to use the overridden default name for the initial branch
whenever users configured it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When guessing the default branch name of a remote, and there are no refs
to guess from, we want to go with the preference specified by the user
for the fall-back, i.e. the default name to be used for the initial
branch of new repositories (because as far as the user is concerned, a
remote that has no branches yet is a new repository).
At the same time, when talking to an older Git server that does not
report a symref for `HEAD` (but instead reports a commit hash), let's
try to guess the configured default branch name first. If it does not
match the reported commit hash, let's fall back to `master` as before.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When cloning a repository without any branches, Git chooses a default
branch name for the as-yet unborn branch.
As part of the implicit initialization of the local repository, Git just
learned to respect `init.defaultBranch` to choose a different initial
branch name. We now really want that branch name to be used as a
fall-back.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We just introduced the command-line option
`--initial-branch=<branch-name>` to allow initializing a new repository
with a different initial branch than the hard-coded one.
To allow users to override the initial branch name more permanently
(i.e. without having to specify the name manually for each and every
`git init` invocation), let's introduce the `init.defaultBranch` config
setting.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Don Goodman-Wilson <don@goodman-wilson.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is a growing number of projects and companies desiring to change
the main branch name of their repositories (see e.g.
https://twitter.com/mislav/status/1270388510684598272 for background on
this).
To change that branch name for new repositories, currently the only way
to do that automatically is by copying all of Git's template directory,
then hard-coding the desired default branch name into the `.git/HEAD`
file, and then configuring `init.templateDir` to point to those copied
template files.
To make this process much less cumbersome, let's introduce a new option:
`--initial-branch=<branch-name>`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There were a couple of instances in our manual pages that had an
opening diamond bracket without a corresponding closing one.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When `remote.<name>.branch` is not configured, `git submodule update`
currently falls back to using the branch name `master`. A much better
idea, however, is to use the remote `HEAD`: on all Git servers running
reasonably recent Git versions, the symref `HEAD` points to the main
branch.
Note: t7419 demonstrates that there _might_ be use cases out there that
_expect_ `git submodule update --remote` to update submodules to the
remote `master` branch even if the remote `HEAD` points to another
branch. Arguably, this patch makes the behavior more intuitive, but
there is a slight possibility that this might cause regressions in
obscure setups.
Even so, it should be okay to fix this behavior without anything like a
longer transition period:
- The `git submodule update --remote` command is not really common.
- Current Git's behavior when running this command is outright
confusing, unless the remote repository's current branch _is_ `master`
(in which case the proposed behavior matches the old behavior).
- If a user encounters a regression due to the changed behavior, the fix
is actually trivial: setting `submodule.<name>.branch` to `master`
will reinstate the old behavior.
Helped-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When trying to push all matching branches, but none match, we offer a
message suggesting to push the `master` branch.
However, we want to step away from making that branch any more special
than any other branch, so let's reword that message to mention no branch
in particular.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In show_submodule_header(), we gather the left and right commits
of the submodule repository, as well as the merge bases. However,
prepare_submodule_summary() initializes the rev_info with the_repository,
so we end up parsing the commit in the wrong repository.
This results in a fatal error in parse_commit_in_graph(), since the
passed item does not belong to the repository's commit graph.
Signed-off-by: Michael Forney <mforney@mforney.org>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is needed when repo_init_revisions() is called with a repository
that is not the_repository to ensure appropriate repository is used
in repo_parse_commit_internal(). If the wrong repository is used,
a fatal error is the commit-graph machinery occurs:
fatal: invalid commit position. commit-graph is likely corrupt
Since revision.c was the only user of the parse_commit_gently
compatibility define, remove it from commit.h.
Signed-off-by: Michael Forney <mforney@mforney.org>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The bit fields in struct object have an unfortunate layout. Here's what
pahole reports on x86_64 GNU/Linux:
struct object {
unsigned int parsed:1; /* 0: 0 4 */
unsigned int type:3; /* 0: 1 4 */
/* XXX 28 bits hole, try to pack */
/* Force alignment to the next boundary: */
unsigned int :0;
unsigned int flags:29; /* 4: 0 4 */
/* XXX 3 bits hole, try to pack */
struct object_id oid; /* 8 32 */
/* size: 40, cachelines: 1, members: 4 */
/* sum members: 32 */
/* sum bitfield members: 33 bits, bit holes: 2, sum bit holes: 31 bits */
/* last cacheline: 40 bytes */
};
Notice the 1+3+29=33 bits in bit fields and 28+3=31 bits in holes.
There are holes inside the flags bit field as well -- while some object
flags are used for more than one purpose, 22, 23 and 24 are still free.
Use 23 and 24 instead of 27 and 28 for TOPO_WALK_EXPLORED and
TOPO_WALK_INDEGREE. This allows us to reduce FLAG_BITS by one so that
all bitfields combined fit into a single 32-bit slot:
struct object {
unsigned int parsed:1; /* 0: 0 4 */
unsigned int type:3; /* 0: 1 4 */
unsigned int flags:28; /* 0: 4 4 */
struct object_id oid; /* 4 32 */
/* size: 36, cachelines: 1, members: 4 */
/* last cacheline: 36 bytes */
};
With this tight packing the size of struct object is reduced by 10%.
Other architectures probably benefit as well.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we run a test helper function in test_submodule_switch_common(), we
sometimes specify a whole helper function as the $command. When we do
this, in some test cases, we just mark the whole function with
`test_must_fail`. However, it's possible that the helper function might
fail earlier or later than expected due to an introduced bug. If this
happens, then the test case will still report as passing but it should
really be marked as failing since it didn't actually display the
intended behaviour.
Instead of invoking `test_must_fail $command`, pass the string
"test_must_fail" as the second argument in case where the git command is
expected to fail.
When $command is a helper function, the parent function calling
test_submodule_switch_common() is test_submodule_switch_func(). For all
test_submodule_switch_func() invocations, increase the granularity of
the argument test helper function by prefixing the git invocation which is
meant to fail with the second argument like this:
$2 git checkout "$1"
In the other cases, test_submodule_switch() and
test_submodule_forced_switch(), instead of passing in the git command
directly, wrap it using the git_test_func() and pass the git arguments
using the global variable $gitcmd. Unfortunately, since closures aren't
a thing in shell scripts, the global variable is necessary. Another
unfortunate result is that the "git_test_func" will used as the test
case name when $command is printed but it's worth it for the cleaner
code.
Finally, as an added bonus, `test_must_fail` will now only run on git
commands.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The anonymize_str() function takes a generator callback, but there's no
way to pass extra context to it. Let's add the usual "void *data"
parameter to the generator interface and pass it along.
This is mildly annoying for existing callers, all of which pass NULL,
but is necessary to avoid extra globals in some cases we'll add in a
subsequent patch.
While we're touching each of these callbacks, we can further observe
that none of them use the existing orig/len parameters at all. This
makes sense, since the point is for their output to have no discernable
basis in the original (my original version had some notion that we might
use a one-way function to obfuscate the names, but it was never
implemented). So let's drop those extra parameters. If a caller really
wants to do something with them, it can pass a struct through the new
data parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All of the other anonymization functions keep their static mappings
inside the function to avoid polluting the global namespace. Let's do
the same for "idents", as nobody needs it outside of
anonymize_ident_line().
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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