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Restart points record the location of reftable records that do not use
prefix compression and are used to perform a binary search inside of a
block. These restart points are encoded at the end of a block, between
the record data and the footer of a table.
The block structure contains three different variables related to these
restart points:
- The block length contains the length of the reftable block up to the
restart points.
- The restart count contains the number of restart points contained in
the block.
- The restart bytes variable tracks where the restart point data
begins.
Tracking all three of these variables is unnecessary though as the data
can be derived from one another: the block length without restart points
is the exact same as the offset of the restart count data, which we
already track via the `restart_bytes` data.
Refactor the code so that we track the location of restart bytes not as
a pointer, but instead as an offset. This allows us to trivially get rid
of the `block_len` variable as described above. This avoids having the
confusing `block_len` variable and allows us to do less bookkeeping
overall.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code that implements block sources is distributed across a couple of
files. Consolidate all of it into "reftable/blocksource.c" and its
accompanying header so that it is easier to locate and more self
contained.
While at it, rename some of the functions to have properly scoped names.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `struct reftable_reader` subsystem encapsulates a table that has
been read from the disk. As such, the current name of that structure is
somewhat hard to understand as it only talks about the fact that we read
something from disk, without really giving an indicator _what_ that is.
Furthermore, this naming schema doesn't really fit well into how the
other structures are named: `reftable_merged_table`, `reftable_stack`,
`reftable_block` and `reftable_record` are all named after what they
encapsulate.
Rename the subsystem to `reftable_table`, which directly gives a hint
that the data structure is about handling the individual tables part of
the stack.
While this change results in a lot of churn, it prepares for us exposing
the APIs to third-party callers now that the reftable library is a
standalone library that can be linked against by other projects.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The license headers used across the reftable library doesn't follow our
typical coding style for multi-line comments. Fix it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'git-blame(1)' command allows users to ignore specific revisions via
the '--ignore-rev <rev>' and '--ignore-revs-file <file>' flags. These
flags are often combined with the 'blame.markIgnoredLines' and
'blame.markUnblamableLines' config options. These config options prefix
ignored and unblamable lines with a '?' and '*', respectively.
However, this option was never extended to the porcelain mode of
'git-blame(1)'. Since the documentation does not indicate this
exclusion, it is a bug.
Fix this by printing 'ignored' and 'unblamable' respectively for the
options when using the porcelain modes.
Helped-by: Patrick Steinhardt <ps@pks.im>
Helped-by: Toon Claes <toon@iotcl.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use Perl due to two different reasons in t5703:
- To filter advertised capabilities.
- To set up a CGI script with HTTPD.
Refactor the first category to use `test_grep` instead. Refactoring the
second category would be a bit more involved, so instead we add the
PERL_TEST_HELPERS prerequisite to those individual tests now.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `max_chain()` helper function is used to extract the maximum delta
chain of a packfile as printed by git-index-pack(1). The script uses
Perl to extract that data, but it can be trivially refactored to use
awk(1) instead.
Refactor the helper accordingly so that we can drop a couple of
PERL_TEST_HELPERS prerequisites.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The output generated by our trace2 mechanism contains several fields
that are dependent on the environment they're being run in, which makes
it somewhat harder to test it. As a countermeasure we scrub the output
and strip out any fields that contain such information.
The logic to do so is implemented in Perl, but it can be trivially
ported to instead use sed(1). Refactor the code accordingly so that we
can drop the PERL_TEST_HELPERS prerequisite.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `generate_random_characters()` helper function generates N
random characters in the range 'a-z' and writes them into a file. The
logic currently uses Perl, but it can be adapted rather easily by:
- Making `test-tool genrandom` generate an infinite stream.
- Using `tr -dc` to strip all characters which aren't in the range of
'a-z'.
- Using `test_copy_bytes()` to copy the first N bytes.
This allows us to drop the PERL_TEST_HELPERS prerequisite.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our Apache HTTPD setup exposes an "one_time_perl" endpoint to access
repositories. If used, we execute the "apply-one-time-perl.sh" CGI
script that checks whether we have a "one-time-perl" script. If so, that
script gets executed so that it can munge what would be served. Once
done, the script gets removed so that it doesn't execute a second time.
As the name says, this functionality expects the user to pass a Perl
script. This isn't really necessary though: we can just as easily
implement the same thing with arbitrary scripts.
Refactor the code so that we instead expect an arbitrary script to
exist and rename the functionality to "one-time-script". Adapt callers
to use shell utilities instead of Perl so that we can drop the
PERL_TEST_HELPERS prerequisite.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `name_from_description()` test helper uses Perl to munge a given
description and convert it into a name. Refactor it to instead use a
combination of sed(1) and tr(1) so that we drop PERL_TEST_HELPERS
prerequisites in users of this library.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `sanitize_pgp()` test helper uses Perl to strip PGP signatures from
stdin. Refactor it to instead use sed(1) so that we drop the
PERL_TEST_HELPERS prerequisite in users of this library.
Note that we have to add PERL_TEST_HELPERS to a subset of tests in t6300
now that the test suite doesn't bail out early anymore in case the
prerequisite isn't set.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a couple of tests that depend on Perl for textconv scripts.
Refactor these tests to instead be implemented via shell utilities so
that we can drop a couple of PERL_TEST_HELPERS prerequisites.
Note that the conversion in t4030 is not a one-to-one equivalent to the
previous textconv script. Before this change we used to essentially do a
hexdump via Perl. The obvious conversion here would be to use `test-tool
hexdump` like we do for the other tests. But this would lead to a ripple
effect where we would have to adapt a bunch of other tests with a bunch
of seemingly unrelated changes, which would be somewhat awkward.
Instead, we're going with the minimum viable change: the test files we
write contain "\001" and "\000", and the test's expectation is that
those get translated into proper ASCII characters. So instead of doing a
full hexdump, we simply use tr(1) to translate these specific bytes.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A bunch of tests rely on Perl to print data in various different ways.
These usages fall into the following categories:
- Print data conditionally by matching patterns. These usecases can be
converted to use awk(1) rather easily.
- Print data repeatedly. These usecases can typically be converted to
use a combination of `test-tool genzeros` and sed(1).
- Print data in reverse. These usecases can be converted to use
awk(1) or `sort -r`.
Refactor the tests accordingly so that we can drop a couple of
PERL_TEST_HELPERS prerequisites.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a bunch of tests that use Perl to perform substitution via the
"s/" operator. These usecases can be trivially replaced with sed(1) and
tr(1).
Refactor the tests accordingly so that we can drop a couple of
PERL_TEST_HELPERS prerequisites.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a bunch of tests that use Perl to perform character
transliteration via the "y/" or "tr/" operator. These usecases can be
trivially replaced with tr(1).
Refactor the tests accordingly so that we can drop a couple of
PERL_TEST_HELPERS prerequisites.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Makefile for our tests has a couple of targets that depend on Perl.
Adapt those targets to only run conditionally in case Perl is available
on the system so that it becomes possible to run the test suite without
Perl.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Perl interpreter used to be a strict dependency for running our test
suite. This requirement is explicit in the Meson build system, where we
require Perl to be present unless tests have been disabled.
With the preceding commits we have loosened this restriction so that it
is now possible to run tests when Perl is unavailable. Loosen the above
requirement accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A couple of our tests depend on the PERL prerequisite even though it
isn't needed. These tests fall into one of the following classes:
- The underlying logic used to be implemented in Perl but isn't
anymore. Here we can simply drop the dependency altogether.
- The test logic used to depend on Perl but doesn't anymore. Again, we
can simply drop the dependency.
- The test logic still relies on a Perl interpreter. These tests
should use the newly introduced PERL_TEST_HELPERS prerequisite.
Adapt test cases accordingly.
Note that in t1006 we have to introduce another new prerequisite
depending on whether or not the IPC::Open2 module is available. Funny
enough, when starting to use `test_lazy_prereq` to do so we also get a
conflict of variables with the "script" variable that contains the Perl
logic because `test_run_lazy_prereq_` also sets that variable. We thus
rename the variable in t1006 to "perl_script".
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the early days of Git, Perl was used quite prominently throughout the
project. This has changed significantly as almost all of the executables
we ship nowadays have eventually been rewritten in C. Only a handful of
subsystems remain that require Perl:
- gitweb, a read-only web interface.
- A couple of scripts that allow importing repositories from GNU Arch,
CVS and Subversion.
- git-send-email(1), which can be used to send mails.
- git-request-pull(1), which is used to request somebody to pull from
a URL by sending an email.
- git-filter-branch(1), which uses Perl with the `--state-branch`
option. This command is typically recommended against nowadays in
favor of git-filter-repo(1).
- Our Perl bindings for Git.
- The netrc Git credential helper.
None of these subsystems can really be considered to be part of the
"core" of Git, and an installation without them is fully functional.
It is more likely than not that an end user wouldn't even notice that
any features are missing if those tools weren't installed. But while
Perl nowadays very much is an optional dependency of Git, there is a
significant limitation when Perl isn't available: developers cannot run
our test suite.
Preceding commits have started to lift this restriction by removing the
strict dependency on Perl in many central parts of the test library. But
there are still many tests that rely on small Perl helpers to do various
different things.
Introduce a new PERL_TEST_HELPERS prerequisite that guards all tests
that require Perl. This prerequisite is explicitly different than the
preexisting PERL prerequisite:
- PERL records whether or not features depending on the Perl
interpreter are built.
- PERL_TEST_HELPERS records whether or not a Perl interpreter is
available for our tests.
By having these two separate prerequisites we can thus distinguish
between tests that inherently depend on Perl because the underlying
feature does, and those tests that depend on Perl because the test
itself is using Perl.
Adapt all tests to set the PERL_TEST_HELPERS prerequisite as needed.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `test_readlink()` helper function reads a symbolic link and returns
the path it is pointing to. It is thus equivalent to the readlink(1)
utility, which isn't available on all supported platforms. As such, it
is implemented using Perl so that we can use it even on platforms where
the shell utility isn't available.
While using readlink(1) is not an option, what we can do is to implement
the logic ourselves in our test-tool. Do so, which allows a bunch of
tests to pass when Perl is not available.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `test_copy_bytes()` helper function copies up to N bytes from stdin
to stdout. This is implemented using Perl, but it can be trivially
adapted to instead use dd(1).
Refactor the helper accordingly, which allows a bunch of tests to pass
when Perl is not available.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a couple of helper functions that translate characters, e.g.
from LF to NUL or NUL to 'Q' and vice versa. These helpers use Perl
scripts, but they can be trivially adapted to instead use tr(1).
Note that one specialty here is the handling of NUL characters in tr(1),
which historically wasn't implemented correctly on all platforms. But
quoting tr(1p):
It was considered that automatically stripping NUL characters from
the input was not correct functionality. However, the removal of -n
in a later proposal does not remove the requirement that tr
correctly process NUL characters in its input stream.
So when tr(1) is implemented following the POSIX standard then it is
expected to handle the transliteration of NUL just fine.
Refactor the helpers accordingly, which allows a bunch of tests to pass
when Perl is not available.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Before executing tests we first sanitize the environment. Part of the
sanitization is to unset a couple of environment variables that we know
will change the behaviour of Git. This is done with a small Perl script,
which has the consequence that having a Perl interpreter available is a
strict requirement for running our unit tests.
The logic itself isn't particularly involved: we simply unset every
environment variable whose key starts with 'GIT_', but then explicitly
allow a subset of these.
Refactor the logic to instead use sed(1) so that it becomes possible to
execute our tests without Perl.
Based-on-patch-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our chainlint script verifies that test files have proper '&&' chains.
This script is written in Perl and executed for every test file before
executing the test logic itself.
In subsequent commits we're about to refactor our test suite so that
Perl becomes an optional dependency, only. And while it is already
possible to disable this linter, developers that don't have Perl
available at all would always have to disable the linter manually, which
is rather cumbersome.
Disable the chain linter automatically in case PERL_PATH isn't set to
make this a bit less annoying. Bail out with an error in case the
developer has asked explicitly for the chain linter.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While it is now possible to filter objects by type, this mechanism is
for now mostly a convenience. Most importantly, we still have to iterate
through the whole packfile to find all objects of a specific type. This
can be prohibitively expensive depending on the size of the packfiles.
It isn't really possible to do better than this when only considering a
packfile itself, as the order of objects is not fixed. But when we have
a packfile with a corresponding bitmap, either because the packfile
itself has one or because the multi-pack index has a bitmap for it, then
we can use these bitmaps to improve the runtime.
While bitmaps are typically used to compute reachability of objects,
they also contain one bitmap per object type that encodes which object
has what type. So instead of reading through the whole packfile(s), we
can use the bitmaps and iterate through the type-specific bitmap.
Typically, only a subset of packfiles will have a bitmap. But this isn't
really much of a problem: we can use bitmaps when available, and then
use the non-bitmap walk for every packfile that isn't covered by one.
Overall, this leads to quite a significant speedup depending on how many
objects of a certain type exist. The following benchmarks have been
executed in the Chromium repository, which has a 50GB packfile with
almost 25 million objects. As expected, there isn't really much of a
change in performance without an object filter:
Benchmark 1: cat-file with no-filter (revision = HEAD~)
Time (mean ± σ): 89.675 s ± 4.527 s [User: 40.807 s, System: 10.782 s]
Range (min … max): 83.052 s … 96.084 s 10 runs
Benchmark 2: cat-file with no-filter (revision = HEAD)
Time (mean ± σ): 88.991 s ± 2.488 s [User: 42.278 s, System: 10.305 s]
Range (min … max): 82.843 s … 91.271 s 10 runs
Summary
cat-file with no-filter (revision = HEAD) ran
1.01 ± 0.06 times faster than cat-file with no-filter (revision = HEAD~)
We still have to scan through all objects as we yield all of them, so
using the bitmap in this case doesn't really buy us anything. What is
noticeable in this benchmark is that we're I/O-bound, not CPU-bound, as
can be seen from the user/system runtimes, which combined are way lower
than the overall benchmarked runtime.
But when we do use a filter we can see a significant improvement:
Benchmark 1: cat-file with filter=object:type=commit (revision = HEAD~)
Time (mean ± σ): 86.444 s ± 4.081 s [User: 36.830 s, System: 11.312 s]
Range (min … max): 80.305 s … 93.104 s 10 runs
Benchmark 2: cat-file with filter=object:type=commit (revision = HEAD)
Time (mean ± σ): 2.089 s ± 0.015 s [User: 1.872 s, System: 0.207 s]
Range (min … max): 2.073 s … 2.119 s 10 runs
Summary
cat-file with filter=object:type=commit (revision = HEAD) ran
41.38 ± 1.98 times faster than cat-file with filter=object:type=commit (revision = HEAD~)
This is because we don't have to scan through all packfiles anymore, but
can instead directly look up relevant objects.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Pull out a common function that allows us to iterate over all objects in
a repository. Right now the logic is trivial and would only require two
function calls, making this refactoring a bit pointless. But in the next
commit we will iterate on this logic to make use of bitmaps, so this is
about to become a bit more complex.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a function that allows us to verify whether a pack is
bitmapped or not. This functionality will be used in a subsequent
commit.
Helped-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a function that allows the caller to iterate over all
bitmapped objects that match a given filter. This mechanism will be used
in a subsequent commit to optimize object filters in git-cat-file(1).
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `show_reachable_fn` callback is used by a couple of functions to
present reachable objects to the caller. The function does not provide a
way for the caller to pass a payload though, which is functionality that
we'll require in a subsequent commit.
Change the callback type to accept a payload and adapt all callsites
accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implement support for the "object:type=" filter in git-cat-file(1),
which causes us to omit all objects that don't match the provided object
type.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implement support for the "blob:limit=" filter in git-cat-file(1), which
causes us to omit all blobs that are bigger than a certain size.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implement support for the "blob:none" filter in git-cat-file(1), which
causes us to omit all blobs.
Note that this new filter requires us to read the object type via
`oid_object_info_extended()` in `batch_object_write()`. But as we try to
optimize away reading objects from the database the `data->info.typep`
pointer may not be set. We thus have to adapt the logic to conditionally
set the pointer in cases where the filter is given.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In batch mode, git-cat-file(1) enumerates all objects and prints them
by iterating through both loose and packed objects. This works without
considering their reachability at all, and consequently most options to
filter objects as they exist in e.g. git-rev-list(1) are not applicable.
In some situations it may still be useful though to filter objects based
on properties that are inherent to them. This includes the object size
as well as its type.
Such a filter already exists in git-rev-list(1) with the `--filter=`
command line option. While this option supports a couple of filters that
are not applicable to our usecase, some of them are quite a neat fit.
Wire up the filter as an option for git-cat-file(1). This allows us to
reuse the same syntax as in git-rev-list(1) so that we don't have to
reinvent the wheel. For now, we die when any of the filter options has
been passed by the user, but they will be wired up in subsequent
commits.
Further note that the filters that we are about to introduce don't
significantly speed up the runtime of git-cat-file(1). While we can skip
emitting a lot of objects in case they are uninteresting to us, the
majority of time is spent reading the packfile, which is bottlenecked by
I/O and not the processor. This will change though once we start to make
use of bitmaps, which will allow us to skip reading the whole packfile.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have multiple callsites that report the status of an object, for
example when the objec tis missing or its name is ambiguous. We're about
to add a couple more such callsites to report on "excluded" objects.
Prepare for this by introducing a new function `report_object_status()`
that encapsulates the functionality.
Note that this function also flushes stdout, which is a requirement so
that request-response style batched modes can learn about the status
before proceeding to the next object. We already flush correctly at all
existing callsites, even though the flush in `batch_one_object()` only
comes after the switch statement. That flush is now redundant, and we
could in theory deduplicate it by moving it into all branches that don't
use `report_object_status()`. But that doesn't quite feel sensible:
- The duplicate flush should ultimately just be a no-op for us and
thus shouldn't impact performance significantly.
- By keeping the flush in `report_object_status()` we ensure that all
future callers get semantics correct.
So let's just be pragmatic and live with the duplicated flush.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The usage strings for git-cat-file(1) that we pass to `parse_options()`
and `usage_msg_optf()` are stored in a variable called `usage`. This
variable shadows the declaration of `usage()`, which we'll want to use
in a subsequent commit.
Rename the variable to `builtin_catfile_usage`, which is in line with
how the variable is typically called in other builtins.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 06c92dafb8 (Makefile: allow specifying a SHA-1 for non-cryptographic
uses, 2024-09-26), support for unsafe SHA-1 is added. Add the unsafe
SHA-1 build info to `git version --build-info` and update corresponding
documentation.
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the `--build-options` flag is used with git-version(1), additional
information about the built version of Git is printed. During build
time, different SHA implementations may be configured, but this
information is not included in the version info.
Add the SHA implementations Git is built with to the version info by
requiring each backend to define a SHA1_BACKEND or SHA256_BACKEND symbol
as appropriate and use the value in the printed build options.
Signed-off-by: Justin Tobler <jltobler@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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* js/imap-send-peer-cert-verify:
imap-send: explicitly verify the peer certificate
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"Dubious ownership" checks on Windows has been tightened up.
* js/mingw-admins-are-special:
test-tool path-utils: support debugging "dubious ownership" issues
mingw: special-case administrators even more
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Typofix.
* tb/bitamp-typofix:
pseudo-merge.h: fix a typo
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The bash command line completion script (in contrib/) has been
updated to cope with remote repository nicknames with slashes in
them.
* dm/completion-remote-names-fix:
completion: fix bugs with slashes in remote names
completion: add helper to count path components
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Doc markup fix.
* pw/doc-pack-refs-markup-fix:
pack-refs doc: fix indentation for --exclude
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A documentation page was left out from formatting and installation,
which has been corrected.
* pw/build-breaking-changes-doc:
docs: add BreakingChanges to TECH_DOCS target
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Doc mark-up updates.
* ja/doc-branch-markup:
doc: apply new format to git-branch man page
completion: take into account the formatting backticks for options
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An earlier code refactoring of the hash machinery missed a few
required calls to init_fn.
* jh/hash-init-fixes:
index-pack, unpack-objects: restore missing ->init_fn
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"git repack" learned "--combine-cruft-below-size" option that
controls how cruft-packs are combined.
* tb/combine-cruft-below-size:
repack: begin combining cruft packs with `--combine-cruft-below-size`
repack: avoid combining cruft packs with `--max-cruft-size`
t/t7704-repack-cruft.sh: consolidate `write_blob()`
t/t7704-repack-cruft.sh: clarify wording in --max-cruft-size tests
t/t5329-pack-objects-cruft.sh: evict 'repack'-related tests
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Bugfix in newly introduced large-object-promisor remote support.
* cc/lop-remote:
promisor-remote: compare remote names case sensitively
promisor-remote: fix possible issue when no URL is advertised
promisor-remote: fix segfault when remote URL is missing
t5710: arrange to delete the client before cloning
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Using "git name-rev --stdin" as an example, improve the framework to
prepare tests to pretend to be in the future where the breaking
changes have already happened.
* jc/name-rev-stdin:
name-rev: remove "--stdin" support
t6120: further modernize
t6120: avoid hiding "git" exit status
t: introduce WITH_BREAKING_CHANGES prerequisite
t: extend test_lazy_prereq
t: document test_lazy_prereq
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