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The changed-path Bloom filters feature has proven stable and reliable
over several years of use, delivering significant performance
improvement for file history computation in large monorepos. Currently
a user can opt-in to writing the changed-path Bloom filters using the
"--changed-paths" option to "git commit-graph write". The filters will
be persisted until the user drops the filters using the
"--no-changed-paths" option. For this functionality, refer to 0087a87ba8
(commit-graph: persist existence of changed-paths, 2020-07-01).
Large monorepos using Git's background maintenance to build and update
commit-graph files could use an easy switch to enable this feature
without a foreground computation. In this commit, we're proposing a new
config option "commitGraph.changedPaths":
* If "true", "git commit-graph write" will write Bloom filters,
equivalent to passing "--changed-paths";
* If "false" or "unset", Bloom filters will be written during "git
commit-graph write" only if the filters already exist in the current
commit-graph file. This matches the default behaviour of "git
commit-graph write" without any "--[no-]changed-paths" option. Note
"false" can disable a previous "true" config value but doesn't imply
"--no-changed-paths".
This config will always respect the precedence of command line option
"--[no-]changed-paths".
We also set this new config as optional recommended config in scalar to
turn on this feature for large repos.
Helped-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Emily Yang <emilyyang.git@gmail.com>
Acked-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove
`git_config_get_multivar_gently()`. All callsites are adjusted so that
they use `repo_config_get_multivar_gently(the_repository, ...)` instead.
While some callsites might already have a repository available, this
mechanical conversion is the exact same as the current situation and
thus cannot cause any regression. Those sites should eventually be
cleaned up in a later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config_set_gently()`.
All callsites are adjusted so that they use
`repo_config_set_gently(the_repository, ...)` instead. While some
callsites might already have a repository available, this mechanical
conversion is the exact same as the current situation and thus cannot
cause any regression. Those sites should eventually be cleaned up in a
later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config_get_string()`.
All callsites are adjusted so that they use
`repo_config_get_string(the_repository, ...)` instead. While some
callsites might already have a repository available, this mechanical
conversion is the exact same as the current situation and thus cannot
cause any regression. Those sites should eventually be cleaned up in a
later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config_clear()`. All
callsites are adjusted so that they use
`repo_config_clear(the_repository, ...)` instead. While some callsites
might already have a repository available, this mechanical conversion is
the exact same as the current situation and thus cannot cause any
regression. Those sites should eventually be cleaned up in a later patch
series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 036876a1067 (config: hide functions using `the_repository` by
default, 2024-08-13) we have moved around a bunch of functions in the
config subsystem that depend on `the_repository`. Those function have
been converted into mere wrappers around their equivalent function that
takes in a repository as parameter, and the intent was that we'll
eventually remove those wrappers to make the dependency on the global
repository variable explicit at the callsite.
Follow through with that intent and remove `git_config()`. All callsites
are adjusted so that they use `repo_config(the_repository, ...)`
instead. While some callsites might already have a repository available,
this mechanical conversion is the exact same as the current situation
and thus cannot cause any regression. Those sites should eventually be
cleaned up in a later patch series.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git pack-objects" learns to find delta bases from blobs at the
same path, using the --path-walk API.
* ds/path-walk-2:
pack-objects: allow --shallow and --path-walk
path-walk: add new 'edge_aggressive' option
pack-objects: thread the path-based compression
pack-objects: refactor path-walk delta phase
scalar: enable path-walk during push via config
pack-objects: enable --path-walk via config
repack: add --path-walk option
t5538: add tests to confirm deltas in shallow pushes
pack-objects: introduce GIT_TEST_PACK_PATH_WALK
p5313: add performance tests for --path-walk
pack-objects: update usage to match docs
pack-objects: add --path-walk option
pack-objects: extract should_attempt_deltas()
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Repositories registered with Scalar are expected to be client-only
repositories that are rather large. This means that they are more likely to
be good candidates for using the --path-walk option when running 'git
pack-objects', especially under the hood of 'git push'. Enable this config
in Scalar repositories.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --maintenance option for 'scalar reconfigure' has three possible
values. Improve the documentation by specifying the option in the -h
help menu and usage information.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When users want to enable the latest and greatest configuration options
recommended by Scalar after a Git upgrade, 'scalar reconfigure --all' is
a great option that iterates over all repos in the multi-valued
'scalar.repos' config key.
However, this feature previously forced users to enable background
maintenance. In some environments this is not preferred.
Add a new --maintenance=<mode> option to 'scalar reconfigure' that
provides options for enabling (default), disabling, or leaving
background maintenance config as-is.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When creating a new enlistment via 'scalar clone', the default is to set
up situations that work for most user scenarios. Background maintenance
is one of those highly-recommended options for most users.
However, when using 'scalar clone' to create an enlistment in a
different situation, such as prepping a VM image, it may be valuable to
disable background maintenance so the manual maintenance steps do not
get blocked by concurrent background maintenance activities.
Add a new --no-maintenance option to 'scalar clone'.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When registering a repository with Scalar to get the latest opinionated
configuration, the 'scalar register' command will also set up background
maintenance. This is a recommended feature for most user scenarios.
However, this is not always recommended in some scenarios where
background modifications may interfere with foreground activities.
Specifically, setting up a clone for use in automation may require doing
certain maintenance steps in the foreground that could become blocked by
concurrent background maintenance operations.
Allow the user to specify --no-maintenance to 'scalar register'. This
requires updating the method prototype for register_dir(), so use the
default of enabling this value when otherwise specified.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In advance of adding a --[no-]maintenance option to several 'scalar'
subcommands, extend the register_dir() method to include an option for
how it should handle background maintenance.
It's important that we understand the context of toggle_maintenance()
that will enable _or disable_ maintenance depending on its input value.
Add a doc comment with this information.
Similarly, update register_dir() to either enable maintenance or leave
it alone.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the compiler/linker cannot verify that an assert() invocation is
free of side effects for us (e.g. because the assertion includes some
kind of function call), replace the use of assert() with ASSERT().
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few more leakfixes.
* ps/leakfixes-0129:
scalar: free result of `remote_default_branch()`
unix-socket: fix memory leak when chdir(3p) fails
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We don't free the result of `remote_default_branch()`, leading to a
memory leak. This leak is exposed by t9211, but only when run with Meson
with the `-Db_sanitize=leak` option:
Direct leak of 5 byte(s) in 1 object(s) allocated from:
#0 0x5555555cfb93 in malloc (scalar+0x7bb93)
#1 0x5555556b05c2 in do_xmalloc ../wrapper.c:55:8
#2 0x5555556b06c4 in do_xmallocz ../wrapper.c:89:8
#3 0x5555556b0656 in xmallocz ../wrapper.c:97:9
#4 0x5555556b0728 in xmemdupz ../wrapper.c:113:16
#5 0x5555556b07a7 in xstrndup ../wrapper.c:119:9
#6 0x5555555d3a4b in remote_default_branch ../scalar.c:338:14
#7 0x5555555d20e6 in cmd_clone ../scalar.c:493:28
#8 0x5555555d196b in cmd_main ../scalar.c:992:14
#9 0x5555557c4059 in main ../common-main.c:64:11
#10 0x7ffff7a2a1fb in __libc_start_call_main (/nix/store/h7zcxabfxa7v5xdna45y2hplj31ncf8a-glibc-2.40-36/lib/libc.so.6+0x2a1fb) (BuildId: 0a855678aa0cb573cecbb2bcc73ab8239ec472d0)
#11 0x7ffff7a2a2b8 in __libc_start_main@GLIBC_2.2.5 (/nix/store/h7zcxabfxa7v5xdna45y2hplj31ncf8a-glibc-2.40-36/lib/libc.so.6+0x2a2b8) (BuildId: 0a855678aa0cb573cecbb2bcc73ab8239ec472d0)
#12 0x555555592054 in _start (scalar+0x3e054)
DEDUP_TOKEN: __interceptor_malloc--do_xmalloc--do_xmallocz--xmallocz--xmemdupz--xstrndup--remote_default_branch--cmd_clone--cmd_main--main--__libc_start_call_main--__libc_start_main@GLIBC_2.2.5--_start
SUMMARY: LeakSanitizer: 5 byte(s) leaked in 1 allocation(s).
As the `branch` variable may contain a string constant obtained from
parsing command line arguments we cannot free the leaking variable
directly. Instead, introduce a new `branch_to_free` variable that only
ever gets assigned the allocated string and free that one to plug the
leak.
It is unclear why the leak isn't flagged when running the test via our
Makefile.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are two -Wsign-compare warnings in "scalar.c", both of which are
trivial:
- We mistakenly use a signed integer to loop towards an upper unsigned
bound in `cmd_reconfigure()`.
- We subtract `path_sep - enlistment->buf`, which results in a signed
integer, and use the value in a ternary expression where second
value is unsigned. But as `path_sep` is being assigned the result of
`find_last_dir_sep(enlistment->buf + offset)` we know that it must
always be bigger than or equal to `enlistment->buf`, and thus the
result will be positive.
Address both of these warnings.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mark code units that generate warnings with `-Wsign-compare`. This
allows for a structured approach to get rid of all such warnings over
time in a way that can be easily measured.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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More leakfixes.
* ps/leakfixes-part-8: (23 commits)
builtin/send-pack: fix leaking list of push options
remote: fix leaking push reports
t/helper: fix leaks in proc-receive helper
pack-write: fix return parameter of `write_rev_file_order()`
revision: fix leaking saved parents
revision: fix memory leaks when rewriting parents
midx-write: fix leaking buffer
pack-bitmap-write: fix leaking OID array
pseudo-merge: fix leaking strmap keys
pseudo-merge: fix various memory leaks
line-log: fix several memory leaks
diff: improve lifecycle management of diff queues
builtin/revert: fix leaking `gpg_sign` and `strategy` config
t/helper: fix leaking repository in partial-clone helper
builtin/clone: fix leaking repo state when cloning with bundle URIs
builtin/pack-redundant: fix various memory leaks
builtin/stash: fix leaking `pathspec_from_file`
submodule: fix leaking submodule entry list
wt-status: fix leaking buffer with sparse directories
shell: fix leaking strings
...
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Background tasks "git maintenance" runs may need to use credential
information when going over the network, but a credential helper
may work only in an interactive environment, and end up blocking a
scheduled task waiting for UI. Credential helpers can now behave
differently when they are not running interactively.
* ds/background-maintenance-with-credential:
scalar: configure maintenance during 'reconfigure'
maintenance: add custom config to background jobs
credential: add new interactive config option
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In the scalar code we iterate through multiple repositories,
initializing each of them. We never clear them though, causing memory
leaks. Plug them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'scalar reconfigure' command is intended to update registered repos
with the latest settings available. However, up to now we were not
reregistering the repos with background maintenance.
In particular, this meant that the background maintenance schedule would
not be updated if there are improvements between versions.
Be sure to register repos for maintenance during the reconfigure step.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some large repositories use tags to track a huge list of release
versions. While this choice is costly on the ref advertisement, it is
further wasteful for clients who do not need those tags. Allow clients
to optionally skip the tag advertisement.
This behavior is similar to that of 'git clone --no-tags' implemented in
0dab2468ee5 (clone: add a --no-tags option to clone without tags,
2017-04-26), including the modification of the remote.origin.tagOpt
config value to include "--no-tags".
One thing that is opposite of the 'git clone' implementation is that
this allows '--tags' as an assumed option, which can be naturally negated
with '--no-tags'. The clone command does not accept '--tags' but allows
"--no-no-tags" as the negation of its '--no-tags' option.
While testing this option, combine the test with the previously untested
'--no-src' option introduced in 4527db8ff8c (scalar: add --[no-]src
option, 2023-08-28).
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a dummy load_builtin_commands() function to satisfy the linker,
but which we never expect to be called. Mark its parameters to avoid
complaints from -Wunused-parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A CPP macro USE_THE_REPOSITORY_VARIABLE is introduced to help
transition the codebase to rely less on the availability of the
singleton the_repository instance.
* ps/use-the-repository:
hex: guard declarations with `USE_THE_REPOSITORY_VARIABLE`
t/helper: remove dependency on `the_repository` in "proc-receive"
t/helper: fix segfault in "oid-array" command without repository
t/helper: use correct object hash in partial-clone helper
compat/fsmonitor: fix socket path in networked SHA256 repos
replace-object: use hash algorithm from passed-in repository
protocol-caps: use hash algorithm from passed-in repository
oidset: pass hash algorithm when parsing file
http-fetch: don't crash when parsing packfile without a repo
hash-ll: merge with "hash.h"
refs: avoid include cycle with "repository.h"
global: introduce `USE_THE_REPOSITORY_VARIABLE` macro
hash: require hash algorithm in `empty_tree_oid_hex()`
hash: require hash algorithm in `is_empty_{blob,tree}_oid()`
hash: make `is_null_oid()` independent of `the_repository`
hash: convert `oidcmp()` and `oideq()` to compare whole hash
global: ensure that object IDs are always padded
hash: require hash algorithm in `oidread()` and `oidclr()`
hash: require hash algorithm in `hasheq()`, `hashcmp()` and `hashclr()`
hash: drop (mostly) unused `is_empty_{blob,tree}_sha1()` functions
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Varargs functions that are unannotated as printf-like or execl-like
have been annotated as such.
* jc/varargs-attributes:
__attribute__: add a few missing format attributes
__attribute__: mark some functions with LAST_ARG_MUST_BE_NULL
__attribute__: remove redundant attribute declaration for git_die_config()
__attribute__: trace2_region_enter_printf() is like "printf"
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Use of the `the_repository` variable is deprecated nowadays, and we
slowly but steadily convert the codebase to not use it anymore. Instead,
callers should be passing down the repository to work on via parameters.
It is hard though to prove that a given code unit does not use this
variable anymore. The most trivial case, merely demonstrating that there
is no direct use of `the_repository`, is already a bit of a pain during
code reviews as the reviewer needs to manually verify claims made by the
patch author. The bigger problem though is that we have many interfaces
that implicitly rely on `the_repository`.
Introduce a new `USE_THE_REPOSITORY_VARIABLE` macro that allows code
units to opt into usage of `the_repository`. The intent of this macro is
to demonstrate that a certain code unit does not use this variable
anymore, and to keep it from new dependencies on it in future changes,
be it explicit or implicit
For now, the macro only guards `the_repository` itself as well as
`the_hash_algo`. There are many more known interfaces where we have an
implicit dependency on `the_repository`, but those are not guarded at
the current point in time. Over time though, we should start to add
guards as required (or even better, just remove them).
Define the macro as required in our code units. As expected, most of our
code still relies on the global variable. Nearly all of our builtins
rely on the variable as there is no way yet to pass `the_repository` to
their entry point. For now, declare the macro in "biultin.h" to keep the
required changes at least a little bit more contained.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A public function mem_pool_strfmt() takes printf like parameters,
but is not given an attribute as such. Also a few file-scope static
functions were missing their format attribute.
Add them.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some varargs functions that use NULL-terminated parameter list were
missing __attributes__ ((sentinel)) aka LAST_ARG_MUST_BE_NULL.
Add them.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ability to remove the current working directory is not guaranteed by
POSIX so it is better to go out of the directory we want to delete on
all platforms unconditionally.
Signed-off-by: Marcel Telka <marcel@telka.sk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During the latest v2.45.0 update, 'scalar reconfigure --all' started to
segfault on my machine. Breaking it down via the debugger, it was
faulting on a NULL reference to the_hash_algo, which is a macro pointing
to the_repository->hash_algo.
In my case, this is due to one of my repositories having a detached HEAD,
which requires get_oid_hex() to parse that the HEAD reference is valid.
Another way to cause a failure is to use the "includeIf.onbranch" config
key, which will lead to a BUG() statement.
My first inclination was to try to refactor cmd_reconfigure() to execute
'git for-each-repo' instead of this loop. In addition to the difficulty
of executing 'scalar reconfigure' within 'git for-each-repo', it would
be difficult to perform the clean-up logic for non-existent repos if we
relied on that child process.
Instead, I chose to move the temporary repo to be within the loop and
reinstate the_repository to its old value after we are done performing
logic on the current array item.
Add tests to t9210-scalar.sh to test 'scalar reconfigure --all' with
multiple registered repos. There are two different ways that the old
use of the_repository could trigger bugs. These issues are being solved
independently to be more careful about the_repository being
uninitialized, but the change in this patch around the use of
the_repository is still a good safety precaution.
Co-authored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Scalar updates.
* ds/scalar-updates:
scalar reconfigure: help users remove buggy repos
setup: add discover_git_directory_reason()
scalar: add --[no-]src option
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When running 'scalar reconfigure -a', Scalar has warning messages about
the repository missing (or not containing a .git directory). Failures
can also happen while trying to modify the repository-local config for
that repository.
These warnings may seem confusing to users who don't understand what
they mean or how to stop them.
Add a warning that instructs the user how to remove the warning in
future installations.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some users have strong aversions to Scalar's opinion that the repository
should be in a 'src' directory, even though this creates a clean slate
for placing build artifacts in adjacent directories.
The new --no-src option allows users to opt out of the default behavior.
While adding options, make sure the usage output by 'scalar clone -h'
reports the same as the SYNOPSIS line in Documentation/scalar.txt.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new "const struct config_context *ctx" arg to config_fn_t to hold
additional information about the config iteration operation.
config_context has a "struct key_value_info kvi" member that holds
metadata about the config source being read (e.g. what kind of config
source it is, the filename, etc). In this series, we're only interested
in .kvi, so we could have just used "struct key_value_info" as an arg,
but config_context makes it possible to add/adjust members in the future
without changing the config_fn_t signature. We could also consider other
ways of organizing the args (e.g. moving the config name and value into
config_context or key_value_info), but in my experiments, the
incremental benefit doesn't justify the added complexity (e.g. a
config_fn_t will sometimes invoke another config_fn_t but with a
different config value).
In subsequent commits, the .kvi member will replace the global "struct
config_reader" in config.c, making config iteration a global-free
operation. It requires much more work for the machinery to provide
meaningful values of .kvi, so for now, merely change the signature and
call sites, pass NULL as a placeholder value, and don't rely on the arg
in any meaningful way.
Most of the changes are performed by
contrib/coccinelle/config_fn_ctx.pending.cocci, which, for every
config_fn_t:
- Modifies the signature to accept "const struct config_context *ctx"
- Passes "ctx" to any inner config_fn_t, if needed
- Adds UNUSED attributes to "ctx", if needed
Most config_fn_t instances are easily identified by seeing if they are
called by the various config functions. Most of the remaining ones are
manually named in the .cocci patch. Manual cleanups are still needed,
but the majority of it is trivial; it's either adjusting config_fn_t
that the .cocci patch didn't catch, or adding forward declarations of
"struct config_context ctx" to make the signatures make sense.
The non-trivial changes are in cases where we are invoking a config_fn_t
outside of config machinery, and we now need to decide what value of
"ctx" to pass. These cases are:
- trace2/tr2_cfg.c:tr2_cfg_set_fl()
This is indirectly called by git_config_set() so that the trace2
machinery can notice the new config values and update its settings
using the tr2 config parsing function, i.e. tr2_cfg_cb().
- builtin/checkout.c:checkout_main()
This calls git_xmerge_config() as a shorthand for parsing a CLI arg.
This might be worth refactoring away in the future, since
git_xmerge_config() can call git_default_config(), which can do much
more than just parsing.
Handle them by creating a KVI_INIT macro that initializes "struct
key_value_info" to a reasonable default, and use that to construct the
"ctx" arg.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Header clean-up.
* en/header-split-cache-h: (24 commits)
protocol.h: move definition of DEFAULT_GIT_PORT from cache.h
mailmap, quote: move declarations of global vars to correct unit
treewide: reduce includes of cache.h in other headers
treewide: remove double forward declaration of read_in_full
cache.h: remove unnecessary includes
treewide: remove cache.h inclusion due to pager.h changes
pager.h: move declarations for pager.c functions from cache.h
treewide: remove cache.h inclusion due to editor.h changes
editor: move editor-related functions and declarations into common file
treewide: remove cache.h inclusion due to object.h changes
object.h: move some inline functions and defines from cache.h
treewide: remove cache.h inclusion due to object-file.h changes
object-file.h: move declarations for object-file.c functions from cache.h
treewide: remove cache.h inclusion due to git-zlib changes
git-zlib: move declarations for git-zlib functions from cache.h
treewide: remove cache.h inclusion due to object-name.h changes
object-name.h: move declarations for object-name.c functions from cache.h
treewide: remove unnecessary cache.h inclusion
treewide: be explicit about dependence on mem-pool.h
treewide: be explicit about dependence on oid-array.h
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Several files were including cache.h solely to get other headers, such
as trace.h and trace2.h. Since the last few commits have modified
files to make these dependencies more explicit, the inclusion of cache.h
is no longer needed in several cases. Remove it.
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Dozens of files made use of trace and trace2 functions, without
explicitly including trace.h or trace2.h. This made it more difficult
to find which files could remove a dependence on cache.h. Make C files
explicitly include trace.h or trace2.h if they are using them.
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Split key function and data structure definitions out of cache.h to
new header files and adjust the users.
* en/header-split-cleanup:
csum-file.h: remove unnecessary inclusion of cache.h
write-or-die.h: move declarations for write-or-die.c functions from cache.h
treewide: remove cache.h inclusion due to setup.h changes
setup.h: move declarations for setup.c functions from cache.h
treewide: remove cache.h inclusion due to environment.h changes
environment.h: move declarations for environment.c functions from cache.h
treewide: remove unnecessary includes of cache.h
wrapper.h: move declarations for wrapper.c functions from cache.h
path.h: move function declarations for path.c functions from cache.h
cache.h: remove expand_user_path()
abspath.h: move absolute path functions from cache.h
environment: move comment_line_char from cache.h
treewide: remove unnecessary cache.h inclusion from several sources
treewide: remove unnecessary inclusion of gettext.h
treewide: be explicit about dependence on gettext.h
treewide: remove unnecessary cache.h inclusion from a few headers
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A few commands don't take any options at all, and confirm this by
checking argc. After that they have no need to look at argv, but we're
still stuck with it by convention. Let's annotate these cases so that
the compiler doesn't complain with -Wunused-parameter.
Note that in scalar and get-tar-commit-id, we're forced to keep argv by
calling convention (the functions must match cmd_main() and builtin
cmd_foo() conventions, respectively). In diff, these are subcommand
modes that we call individually, so we _could_ just drop the argv
parameters entirely. But it's weird to pass argc without argv, and it
implies that the caller knows that the subcommands aren't interested in
further arguments. It's less confusing to just keep them and silence the
compiler warning.
Signed-off-by: Jeff King <peff@peff.net>
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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This is another step towards letting us remove the include of cache.h in
strbuf.c. It does mean that we also need to add includes of abspath.h
in a number of C files.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A user reported issues with 'scalar clone' and 'scalar register' when
working in an environment that had locked down the ability to run
'crontab' or 'systemctl' in that those commands registered as _failures_
instead of opportunistically reporting a success with just a warning
about background maintenance.
As a workaround, they can use GIT_TEST_MAINT_SCHEDULER to fake a
successful background maintenance, but this is not a viable strategy for
long-term.
Update 'scalar register' and 'scalar clone' to no longer fail by
modifying register_dir() to only warn when toggle_maintenance(1) fails.
Since background maintenance is a "nice to have" and not a requirement
for a working repository, it is best to move this from hard error to
gentle warning.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"scalar" learned to give progress bar.
* zh/scalar-progress:
scalar: show progress if stderr refers to a terminal
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Sometimes when users use scalar to download a monorepo with a long
commit history, they want to check the progress bar to know how long
they still need to wait during the fetch process, but scalar
suppresses this output by default.
So let's check whether scalar stderr refer to a terminal, if so,
show progress, otherwise disable it.
Signed-off-by: ZheNing Hu <adlternative@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The recent addition of the index.skipHash config option allows index
writes to speed up by skipping the hash computation for the trailing
checksum. This is particularly critical for repositories with many files
at HEAD, so add this config option to two cases where users in that
scenario may opt-in to such behavior:
1. The feature.manyFiles config option enables some options that are
helpful for repositories with many files at HEAD.
2. 'scalar register' and 'scalar reconfigure' set config options that
optimize for large repositories.
In both of these cases, set index.skipHash=true to gain this
speedup. Add tests that demonstrate the proper way that
index.skipHash=true can override feature.manyFiles=true.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'scalar reconfigure -a' is taught to automatically remove
scalar.repo entires which no longer exist.
* js/remove-stale-scalar-repos:
tests(scalar): tighten the stale `scalar.repo` test some
scalar reconfigure -a: remove stale `scalar.repo` entries
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Every once in a while, a Git for Windows installation fails because the
attempt to reconfigure a Scalar enlistment failed because it was deleted
manually without removing the corresponding entries in the global Git
config.
In f5f0842d0b5 (scalar: let 'unregister' handle a deleted enlistment
directory gracefully, 2021-12-03), we already taught `scalar delete` to
handle the case of a manually deleted enlistment gracefully. This patch
adds the same graceful handling to `scalar reconfigure --all`.
This patch is best viewed with `--color-moved`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Build argument list and environment of child processes by using
struct child_process and populating its members "args" and "env"
directly instead of maintaining separate strvecs and letting
run_command_v_opt() and friends populate these members. This is
simpler, shorter and slightly more efficient.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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The 'scalar unregister' command removes a repository from the list of
registered Scalar repositories and removes it from the list of
repositories registered for background maintenance. If the repository
was not already registered for background maintenance, then the command
fails, even if the repository was still registered as a Scalar
repository.
After using 'scalar clone' or 'scalar register', the repository would be
enrolled in background maintenance since those commands run 'git
maintenance start'. If the user runs 'git maintenance unregister' on
that repository, then it is still in the list of repositories which get
new config updates from 'scalar reconfigure'. The 'scalar unregister'
command would fail since 'git maintenance unregister' would fail.
Further, the add_or_remove_enlistment() method in scalar.c already has
this idempotent nature built in as an expectation since it returns zero
when the scalar.repo list already has the proper containment of the
repository.
The previous change added the 'git maintenance unregister --force'
option, so use it within 'scalar unregister' to make it idempotent.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is merely handing off to `git help scalar`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move 'scalar' out of 'contrib/' and into the root of the Git tree. The goal
of this change is to build 'scalar' as part of the standard Git build &
install processes.
This patch includes both the physical move of Scalar's files out of
'contrib/' ('scalar.c', 'scalar.txt', and 't9xxx-scalar.sh'), and the
changes to the build definitions in 'Makefile' and 'CMakelists.txt' to
accommodate the new program.
At a high level, Scalar is built so that:
- there is a 'scalar-objs' target (similar to those created in 029bac01a8
(Makefile: add {program,xdiff,test,git,fuzz}-objs & objects targets,
2021-02-23)) for debugging purposes.
- it appears in the root of the install directory (rather than the
gitexecdir).
- it is included in the 'bin-wrappers/' directory for use in tests.
- it receives a platform-specific executable suffix (e.g., '.exe'), if
applicable.
- 'scalar.txt' is installed as 'man1' documentation.
- the 'clean' target removes the 'scalar' executable.
Additionally, update the root level '.gitignore' file to ignore the Scalar
executable.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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