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We want to specify a compatibility hash for testing interactions for
SHA-256 repositories where we have SHA-1 compatibility enabled. Allow
the user to specify this scenario in the test suite by setting
GIT_TEST_DEFAULT_HASH to "sha256:sha1".
Note that this will get passed into GIT_DEFAULT_HASH, which Git itself
does not presently support. However, we will support this in a future
commit.
Since we'll now want to know the value for a specific version, let's add
the ability to specify either the storage hash (in this case, SHA-256)
or the compatibility hash (SHA-1). We use a different value for the
compatibility hash that will be enabled for all repositories
(test_repo_compat_hash_algo) versus the one that is used individually in
some tests (test_compat_hash_algo), since we want to still run those
individual tests without requiring that the testsuite be run fully in a
compatibility mode.
In some cases, we'll need to adjust our test suite to work in a proper
way with a compatibility hash. For example, in such a case, we'll only
use pack index v3, since v1 and v2 lack support for multiple algorithms.
Since we won't want to write those older formats, we'll need to skip
tests that do so. Let's add a COMPAT_HASH prerequisite for this
purpose.
Finally, in this scenario, we can no longer rely on having broken
objects work since we lack compatibility mappings to rewrite objects in
the repository. Add a prerequisite, BROKEN_OBJECTS, that we define in
terms of COMPAT_HASH and checks to see if creating deliberately broken
objects is possible, so that we can disable these tests if not.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prepare to flip the default hash function to SHA-256.
* bc/use-sha256-by-default-in-3.0:
Enable SHA-256 by default in breaking changes mode
help: add a build option for default hash
t5300: choose the built-in hash outside of a repo
t4042: choose the built-in hash outside of a repo
t1007: choose the built-in hash outside of a repo
t: default to compile-time default hash if not set
setup: use the default algorithm to initialize repo format
Use legacy hash for legacy formats
builtin: use default hash when outside a repository
hash: add a constant for the legacy hash algorithm
hash: add a constant for the default hash algorithm
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Right now, the default compile-time hash is SHA-1. However, in the
future, this might change and it would be helpful to gracefully handle
this case in our testsuite.
To avoid making these assumptions, let's introduce a variable that
contains the built-in default hash and use it in our setup code as the
fallback value if no hash was explicitly set. For now, this is always
SHA-1, but in a future commit, we'll allow adjusting this and the
variable will be more useful.
To allow us to make our tests more robust, allow test_oid to take the
--hash=builtin option to specify this hash, whatever it is.
Additionally, add a DEFAULT_HASH_ALGORITHM prerequisite to check for the
compile-time hash.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "seq" tool has a "-f" option to produce printf-style formatted
lines. Let's teach our test_seq helper the same trick. This lets us get
rid of some shell loops in test snippets (which are particularly verbose
in our test suite because we have to "|| return 1" to keep the &&-chain
going).
This converts a few call-sites I found by grepping around the test
suite. A few notes on these:
- In "seq", the format specifier is a "%g" float. Since test_seq only
supports integers, I've kept the more natural "%d" (which is what
these call sites were using already).
- Like "seq", test_seq automatically adds a newline to the specified
format. This is what all callers are doing already except for t0021,
but there we do not care about the exact format. We are just trying
to printf a large number of bytes to a file. It's not worth
complicating other callers or adding an option to avoid the newline
in that caller.
- Most conversions are just replacing a shell loop (which does get rid
of an extra fork, since $() requires a subshell). In t0612 we can
replace an awk invocation, which I think makes the end result more
readable, as there's less quoting.
- In t7422 we can replace one loop, but sadly we have to leave the
loop directly above it. This is because that earlier loop wants to
include the seq value twice in the output, which test_seq does not
support (nor does regular seq). If you run:
test_seq -f "foo-%d %d" 10
the second "%d" will always be the empty string. You might naively
think that test_seq could add some extra arguments, like:
# 3 ought to be enough for anyone...
printf "$fmt\n" "$i "$i" $i"
but that just triggers printf to format multiple lines, one per
extra set of arguments.
So we'd have to actually parse the format string, figure out how
many "%" placeholders are there, and then feed it that many
instances of the sequence number. The complexity isn't worth it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"make test" used to have a hard dependency on (basic) Perl; tests
have been rewritten help environment with NO_PERL test the build as
much as possible.
* ps/test-wo-perl-prereq:
t5703: refactor test to not depend on Perl
t5316: refactor `max_chain()` to not depend on Perl
t0210: refactor trace2 scrubbing to not use Perl
t0021: refactor `generate_random_characters()` to not depend on Perl
t/lib-httpd: refactor "one-time-perl" CGI script to not depend on Perl
t/lib-t6000: refactor `name_from_description()` to not depend on Perl
t/lib-gpg: refactor `sanitize_pgp()` to not depend on Perl
t: refactor tests depending on Perl for textconv scripts
t: refactor tests depending on Perl to print data
t: refactor tests depending on Perl substitution operator
t: refactor tests depending on Perl transliteration operator
Makefile: stop requiring Perl when running tests
meson: stop requiring Perl when tests are enabled
t: adapt existing PERL prerequisites
t: introduce PERL_TEST_HELPERS prerequisite
t: adapt `test_readlink()` to not use Perl
t: adapt `test_copy_bytes()` to not use Perl
t: adapt character translation helpers to not use Perl
t: refactor environment sanitization to not use Perl
t: skip chain lint when PERL_PATH is unset
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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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Allow test_lazy_prereq script to signal a programming error by
exiting with status 125 (like how bisect scripts do). This is used
to signal a deprecated-and-then-removed prerequisite that should
never be used in tests anymore.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The value of "uname -s" is by default sent over the wire as a part
of the "version" capability.
* ua/os-version-capability:
agent: advertise OS name via agent capability
t5701: add setup test to remove side-effect dependency
version: extend get_uname_info() to hide system details
version: refactor get_uname_info()
version: refactor redact_non_printables()
version: replace manual ASCII checks with isprint() for clarity
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As some issues that can happen with a Git client can be operating system
specific, it can be useful for a server to know which OS a client is
using. In the same way it can be useful for a client to know which OS
a server is using.
Our current agent capability is in the form of "package/version" (e.g.,
"git/1.8.3.1"). Let's extend it to include the operating system name (os)
i.e in the form "package/version-os" (e.g., "git/1.8.3.1-Linux").
Including OS details in the agent capability simplifies implementation,
maintains backward compatibility, avoids introducing a new capability,
encourages adoption across Git-compatible software, and enhances
debugging by providing complete environment information without affecting
functionality. The operating system name is retrieved using the 'sysname'
field of the `uname(2)` system call or its equivalent.
However, there are differences between `uname(1)` (command-line utility)
and `uname(2)` (system call) outputs on Windows. These discrepancies
complicate testing on Windows platforms. For example:
- `uname(1)` output: MINGW64_NT-10.0-20348.3.4.10-87d57229.x86_64\
.2024-02-14.20:17.UTC.x86_64
- `uname(2)` output: Windows.10.0.20348
On Windows, uname(2) is not actually system-supplied but is instead
already faked up by Git itself. We could have overcome the test issue
on Windows by implementing a new `uname` subcommand in `test-tool`
using uname(2), but except uname(2), which would be tested against
itself, there would be nothing platform specific, so it's just simpler
to disable the tests on Windows.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git pack-objects" and its wrapper "git repack" learned an option
to use an alternative path-hash function to improve delta-base
selection to produce a packfile with deeper history than window
size.
* ds/name-hash-tweaks:
pack-objects: prevent name hash version change
test-tool: add helper for name-hash values
p5313: add size comparison test
pack-objects: add GIT_TEST_NAME_HASH_VERSION
repack: add --name-hash-version option
pack-objects: add --name-hash-version option
pack-objects: create new name-hash function version
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Introduce a new API to visit objects in batches based on a common
path, or by type.
* ds/path-walk-1:
path-walk: drop redundant parse_tree() call
path-walk: reorder object visits
path-walk: mark trees and blobs as UNINTERESTING
path-walk: visit tags and cached objects
path-walk: allow consumer to specify object types
t6601: add helper for testing path-walk API
test-lib-functions: add test_cmp_sorted
path-walk: introduce an object walk by path
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The new '--name-hash-version' option for 'git repack' is a simple
pass-through to the underlying 'git pack-objects' subcommand. However,
this subcommand may have other options and a temporary filename as part
of the subcommand execution that may not be predictable or could change
over time.
The existing test_subcommand method requires an exact list of arguments
for the subcommand. This is too rigid for our needs here, so create a
new method, test_subcommand_flex. Use it to check that the
--name-hash-version option is passing through.
Since we are modifying the 'git repack' command, let's bring its usage
in line with the Documentation's synopsis. This removes it from the
allow list in t0450 so it will remain in sync in the future.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a function to check whether LSan logged any leaks. It returns
success for no leaks, and non-zero otherwise. This is the simplest thing
for its callers, who want to say "if no leaks then return early". But
because it's implemented as a shell pipeline, you end up with the
awkward:
! find ... |
xargs grep leaks |
grep -v false-positives
where the "!" is actually negating the final grep. Switch the return
value (and name) to return success when there are leaks. This should
make the code a little easier to read, and the negation in the callers
still reads pretty naturally.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test helper will be helpful to reduce repeated logic in
t6601-path-walk.sh, but may be helpful elsewhere, too.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If you are trying to find and fix leaks in a large test script, it can
be overwhelming to see the leak logs for every test at once. The
previous commit let you use "--immediate" to see the logs after the
first failing test, but this isn't always the first leak. As discussed
there, we may see leaks from previous tests that didn't happen to fail.
To catch those, let's check for any logs that appeared after each test
snippet is run, meaning that in a SANITIZE=leak build, any leak is an
immediate failure of the test snippet.
This check is mostly free in non-leak builds (just a "test -z"), and
only a few extra processes in a leak build, so I don't think the
overhead should matter (if it does, we could probably optimize for the
common "no logs" case without even spending a process).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test framework learned to take the test body not as a single
string but as a here-document.
* jk/test-body-in-here-doc:
t/.gitattributes: ignore whitespace in chainlint expect files
t: convert some here-doc test bodies
test-lib: allow test snippets as here-docs
chainlint.pl: add tests for test body in heredoc
chainlint.pl: recognize test bodies defined via heredoc
chainlint.pl: check line numbers in expected output
chainlint.pl: force CRLF conversion when opening input files
chainlint.pl: do not spawn more threads than we have scripts
chainlint.pl: only start threads if jobs > 1
chainlint.pl: add test_expect_success call to test snippets
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Most test snippets are wrapped in single quotes, like:
test_expect_success 'some description' '
do_something
'
This sometimes makes the snippets awkward to write, because you can't
easily use single quotes within them. We sometimes work around this with
$SQ, or by loosening regexes to use "." instead of a literal quote, or
by using double quotes when we'd prefer to use single-quotes (and just
adding extra backslash-escapes to avoid interpolation).
This commit adds another option: feeding the snippet via the function's
stdin. This doesn't conflict with anything the snippet would want to do,
because we always redirect its stdin from /dev/null anyway (which we'll
continue to do).
A few notes on the implementation:
- it would be nice to push this down into test_run_, but we can't, as
test_expect_success and test_expect_failure want to see the actual
script content to report it for verbose-mode. A helper function
limits the amount of duplication in those callers here.
- The helper function is a little awkward to call, as you feed it the
name of the variable you want to set. The more natural thing in
shell would be command substitution like:
body=$(body_or_stdin "$2")
but that loses trailing whitespace. There are tricks around this,
like:
body=$(body_or_stdin "$2"; printf .)
body=${body%.}
but we'd prefer to keep such tricks in the helper, not in each
caller.
- I implemented the helper using a sequence of "read" calls. Together
with "-r" and unsetting the IFS, this preserves incoming whitespace.
An alternative is to use "cat" (which then requires the gross "."
trick above). But this saves us a process, which is probably a good
thing. The "read" builtin does use more read() syscalls than
necessary (one per byte), but that is almost certainly a win over a
separate process.
Both are probably slower than passing a single-quoted string, but
the difference is lost in the noise for a script that I converted as
an experiment.
- I handle test_expect_success and test_expect_failure here. If we
like this style, we could easily extend it to other spots (e.g.,
lazy_prereq bodies) on top of this patch.
- even though we are using "local", we have to be careful about our
variable names. Within test_expect_success, any variable we declare
with local will be seen as local by the test snippets themselves (so
it wouldn't persist between tests like normal variables would).
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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The git-http-fetch(1) command accepts a `--packfile=` option, which
allows the user to specify that it shall fetch a specific packfile,
only. The parameter here is the hash of the packfile, which is specific
to the object hash used by the repository. This requirement is implicit
though via our use of `parse_oid_hex()`, which internally uses
`the_repository`.
The git-http-fetch(1) command allows for there to be no repository
though, which only exists such that we can show usage via the "-h"
option. In that case though, starting with c8aed5e8da (repository: stop
setting SHA1 as the default object hash, 2024-05-07), `the_repository`
does not have its object hash initialized anymore and thus we would
crash when trying to parse the object ID outside of a repository.
Fix this issue by dying immediately when we see a "--packfile="
parameter when outside a Git repository. This is not a functional
regression as we would die later on with the same error anyway.
Add a test to detect the segfault. We use the "nongit" function to do
so, which we need to allow-list in `test_must_fail ()`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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One of the tests we'll want to add for pseudo-merge bitmaps needs to be
able to generate a large number of commits at a specific date.
Support the `--notick` option (with identical semantics to the
`--notick` option for `test_commit()`) within `test_commit_bulk` as a
prerequisite for that. Callers can then set the various _DATE variables
themselves.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Future-proof test scripts that do
local VAR=VAL
without quoting VAL (which is OK in POSIX but broken in some shells)
that is ${magic-"reference to a parameter"}.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Future-proof test scripts that do
local VAR=VAL
without quoting VAL (which is OK in POSIX but broken in some shells)
that is a $(command substitution).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Future-proof test scripts that do
local VAR=VAL
without quoting VAL (which is OK in POSIX but broken in some shells)
that is a positional parameter, e.g. $4.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Work to support a repository that work with both SHA-1 and SHA-256
hash algorithms has started.
* eb/hash-transition: (30 commits)
t1016-compatObjectFormat: add tests to verify the conversion between objects
t1006: test oid compatibility with cat-file
t1006: rename sha1 to oid
test-lib: compute the compatibility hash so tests may use it
builtin/ls-tree: let the oid determine the output algorithm
object-file: handle compat objects in check_object_signature
tree-walk: init_tree_desc take an oid to get the hash algorithm
builtin/cat-file: let the oid determine the output algorithm
rev-parse: add an --output-object-format parameter
repository: implement extensions.compatObjectFormat
object-file: update object_info_extended to reencode objects
object-file-convert: convert commits that embed signed tags
object-file-convert: convert commit objects when writing
object-file-convert: don't leak when converting tag objects
object-file-convert: convert tag objects when writing
object-file-convert: add a function to convert trees between algorithms
object: factor out parse_mode out of fast-import and tree-walk into in object.h
cache: add a function to read an OID of a specific algorithm
tag: sign both hashes
commit: export add_header_signature to support handling signatures on tags
...
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With release 2.44 we got rid of all uses of test_i18ngrep and there
is no in-flight topic that adds a new use of it. Make a call to
test_i18ngrep a hard failure, so that we can remove it at the end
of this release cycle.
* jc/test-i18ngrep:
test_i18ngrep: hard deprecate and forbid its use
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Since v2.44.0-rc0~109 (Merge branch 'sp/test-i18ngrep', 2023-12-27)
none of the tests we have, either in 'master' or in flight and
collected in 'seen', use test_i18ngrep.
Perhaps it is good time to update test_i18ngrep to BUG to avoid
people adding new calls to it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Error message fix in the test framework.
* sp/test-i18ngrep:
test-lib-functions.sh: fix test_grep fail message wording
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Stale URLs have been updated to their current counterparts (or
archive.org) and HTTP links are replaced with working HTTPS links.
* js/update-urls-in-doc-and-comment:
doc: refer to internet archive
doc: update links for andre-simon.de
doc: switch links to https
doc: update links to current pages
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Introduce a new extension "refstorage" so that we can mark a
repository that uses a non-default ref backend, like reftable.
* ps/refstorage-extension:
t9500: write "extensions.refstorage" into config
builtin/clone: introduce `--ref-format=` value flag
builtin/init: introduce `--ref-format=` value flag
builtin/rev-parse: introduce `--show-ref-format` flag
t: introduce GIT_TEST_DEFAULT_REF_FORMAT envvar
setup: introduce GIT_DEFAULT_REF_FORMAT envvar
setup: introduce "extensions.refStorage" extension
setup: set repository's formats on init
setup: start tracking ref storage format
refs: refactor logic to look up storage backends
worktree: skip reading HEAD when repairing worktrees
t: introduce DEFAULT_REPO_FORMAT prereq
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Streaming spans of packfile data used to be done only from a
single, primary, pack in a repository with multiple packfiles. It
has been extended to allow reuse from other packfiles, too.
* tb/multi-pack-verbatim-reuse: (26 commits)
t/perf: add performance tests for multi-pack reuse
pack-bitmap: enable reuse from all bitmapped packs
pack-objects: allow setting `pack.allowPackReuse` to "single"
t/test-lib-functions.sh: implement `test_trace2_data` helper
pack-objects: add tracing for various packfile metrics
pack-bitmap: prepare to mark objects from multiple packs for reuse
pack-revindex: implement `midx_pair_to_pack_pos()`
pack-revindex: factor out `midx_key_to_pack_pos()` helper
midx: implement `midx_preferred_pack()`
git-compat-util.h: implement checked size_t to uint32_t conversion
pack-objects: include number of packs reused in output
pack-objects: prepare `write_reused_pack_verbatim()` for multi-pack reuse
pack-objects: prepare `write_reused_pack()` for multi-pack reuse
pack-objects: pass `bitmapped_pack`'s to pack-reuse functions
pack-objects: keep track of `pack_start` for each reuse pack
pack-objects: parameterize pack-reuse routines over a single pack
pack-bitmap: return multiple packs via `reuse_partial_packfile_from_bitmap()`
pack-bitmap: simplify `reuse_partial_packfile_from_bitmap()` signature
ewah: implement `bitmap_is_empty()`
pack-bitmap: pass `bitmapped_pack` struct to pack-reuse functions
...
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Introduce a new GIT_TEST_DEFAULT_REF_FORMAT environment variable that
lets developers run the test suite with a different default ref format
without impacting the ref format used by non-test Git invocations. This
is modeled after GIT_TEST_DEFAULT_OBJECT_FORMAT, which does the same
thing for the repository's object format.
Adapt the setup of the `REFFILES` test prerequisite to be conditionally
set based on the default ref format.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Error message fix in the test framework.
* sp/test-i18ngrep:
test-lib-functions.sh: fix test_grep fail message wording
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Stale URLs have been updated to their current counterparts (or
archive.org) and HTTP links are replaced with working HTTPS links.
* js/update-urls-in-doc-and-comment:
doc: refer to internet archive
doc: update links for andre-simon.de
doc: switch links to https
doc: update links to current pages
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In the recent commit 2e87fca189 (test framework: further deprecate
test_i18ngrep, 2023-10-31), the test_i18ngrep function was
deprecated, and all the callers were updated to call the test_grep
function instead. But test_grep inherited an error message that
still refers to test_i18ngrep by mistake. Correct it so that a
broken call to the test_grep will identify itself as such.
Signed-off-by: Shreyansh Paliwal <shreyanshpaliwalcmsmn@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a helper function which looks for a specific (category, key,
value) tuple in the output of a trace2 event stream.
We will use this function in a future patch to ensure that the expected
number of objects are reused from an expected number of packs.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These sites offer https versions of their content.
Using the https versions provides some protection for users.
Signed-off-by: Josh Soref <jsoref@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Another step to deprecate test_i18ngrep.
* jc/test-i18ngrep:
tests: teach callers of test_i18ngrep to use test_grep
test framework: further deprecate test_i18ngrep
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Convert tests that use `test_path_is_file` and `test_path_is_missing` to
instead use a set of helpers `test_ref_exists` and `test_ref_missing`.
These helpers are implemented via the newly introduced `git show-ref
--exists` command. Thus, we can avoid intimate knowledge of how the ref
backend stores references on disk.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As an attempt to come up with a useful mechanism to ensure that
certain messages are left untranslated [*], we earlier wrote
GIT_TEST_GETTEXT_POISON off as a failed experiment.
But the output from the test helper was easier to use while
debugging failed tests, compared to the same test writtein with the
plain-vanilla "grep". Especially when a test that expects a certain
string to appear in the output (e.g. "this test must fail with this
message") fails, "grep message output" would just silently fail and
in a &&-chained sequence of commands, it is hard to tell which step
failed. test_i18ngrep explicitly said "we wanted to see a line that
match this pattern but did not see a hit in this file".
What we have as test_i18ngrep in our tree still retains this verbose
output (even though we got rid of the "poison" support). Let's
rename it to test_grep (because it is no longer about i18n at all)
and then make test_i18ngrep a thin wrapper around it. Existing
callers of test_i18ngrep can be mechanically rewritten to instead
use test_grep over time, but it does not have to be done in this
commit.
[Footnote]
* The idea was that human-facing messages are often translated, but
there are messages that should never be translated. We use
"grep" only for the latter kind of messages, and then run tests
in "poison" mode that spew garbage for translatable messages. If
such a test run fails, it means these messages tested with "grep"
were marked for translation by mistake. test_i18ngrep was to be
used for other messages that are to be translated, and was to
always "succeed" when runing under the "poison" mode.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Inspired-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rebase -i" with a series of squash/fixup, when one of the
steps stopped in conflicts and ended up getting skipped, did not
handle the accumulated commit log messages, which has been
corrected.
* pw/rebase-skip-commit-message-fix:
rebase --skip: fix commit message clean up when skipping squash
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During a series of "fixup" and/or "squash" commands, the interactive
rebase accumulates a commit message from all the commits that are being
squashed together. If one of the commits has conflicts when it is picked
and the user chooses to skip that commit then we need to remove that
commit's message from accumulated messages. To do this 15ef69314d5
(rebase --skip: clean up commit message after a failed fixup/squash,
2018-04-27) updated commit_staged_changes() to reset the accumulated
message to the commit message of HEAD (which does not contain the
message from the skipped commit) when the last command was "fixup" or
"squash" and there are no staged changes. Unfortunately the code to do
this contains two bugs.
(1) If parse_head() fails we pass an invalid pointer to
unuse_commit_buffer().
(2) The reconstructed message uses the entire commit buffer from HEAD
including the headers, rather than just the commit message.
The first issue is fixed by splitting up the "if" condition into several
statements each with its own error handling. The second issue is fixed
by finding the start of the commit message within the commit buffer
using find_commit_subject().
The existing test added by 15ef69314d5 is modified to show the effect of
this bug. The bug is triggered when skipping the first command in the
chain (as the test does before this commit) but the effect is hidden
because opts->current_fixup_count is set to zero which leads
update_squash_messages() to recreate the squash message file from
scratch overwriting the bad message created by
commit_staged_changes(). The test is also updated to explicitly check
the commit messages rather than relying on grep to ensure they do not
contain any stray commit headers.
To check the commit message the function test_commit_message() is moved
from t3437-rebase-fixup-options.sh to test-lib.sh. As the function is
now publicly available it is updated to provide better error detection
and avoid overwriting the commonly used files "actual" and "expect".
Support for reading the expected commit message from stdin is also
added.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add more "git var" for toolsmiths to learn various locations Git is
configured with either via the configuration or hardcoded defaults.
* bc/more-git-var:
var: add config file locations
var: add attributes files locations
attr: expose and rename accessor functions
var: adjust memory allocation for strings
var: format variable structure with C99 initializers
var: add support for listing the shell
t: add a function to check executable bit
var: mark unused parameters in git_var callbacks
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In line with our other helper functions for paths, let's add a function
to check whether a path is executable, and if not, print a suitable
error message. Document this function, and note that it must only be
used under the POSIXPERM prerequisite, since it doesn't otherwise work
on Windows.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update 'do_git_config_sequence()' to read the worktree config from
'config.worktree' in 'opts->git_dir' rather than the gitdir of
'the_repository'.
The worktree config is loaded from the path returned by
'git_pathdup("config.worktree")', the 'config.worktree' relative to the
gitdir of 'the_repository'. If loading the config for a submodule, this path
is incorrect, since 'the_repository' is the superproject. 'opts->git_dir' is
the gitdir of the submodule being configured, so the config file in that
location should be read instead.
To ensure the use of 'opts->git_dir' is safe, require that 'opts->git_dir'
is set if-and-only-if 'opts->commondir' is set (rather than "only-if" as it
is now). In all current usage of 'config_options', these values are set
together, so the stricter check does not change any behavior.
Finally, add tests to 't3007-ls-files-recurse-submodules.sh' to verify the
corrected config is loaded. Use 'ls-files' to test this because, unlike some
other '--recurse-submodules' commands, 'ls-files' parses the config of the
submodule in the same process as the superproject (via 'show_submodule()' ->
'repo_read_index()' -> 'prepare_repo_settings()'). As a result,
'the_repository' points to the config of the superproject but the
commondir/gitdir in the config sequence will be that of the submodule,
providing the exact scenario needed to verify this patch.
The first test ('--recurse-submodules parses submodule repo config') checks
that the submodule's *repo* config is read when running 'ls-files' on the
superproject; this confirms already-working behavior, serving as a reference
for how worktree config parsing should behave. The second test
('--recurse-submodules parses submodule worktree config') tests the same
scenario as the previous but instead using the *worktree* config,
demonstrating the corrected behavior. The 'test_config' helper is extended
for this case so that it properly applies the '--worktree' option to the
configure/unconfigure operations it performs.
Note that, although the submodule worktree config is now parsed instead of
the superproject's, 'extensions.worktreeConfig' in the superproject still
controls whether or not the worktree config is enabled at all in the
submodule. This will be fixed in a later patch.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a small helper function called "verbose", with the idea that you
can write:
verbose foo
to get a message to stderr when the "foo" command fails, even if it does
not produce any output itself. This goes back to 8ad1652418 (t5304: use
helper to report failure of "test foo = bar", 2014-10-10). It does work,
but overall it has not been a big success for two reasons:
1. Test writers have to remember to put it there (and the resulting
test code is longer as a result).
2. It doesn't handle the opposite case (we expect "foo" to fail, but
it succeeds), leading to inconsistencies in tests (which you can
see in many hunks of this patch, e.g. ones involving "has_cr").
Most importantly, we added a136f6d8ff (test-lib.sh: support -x option
for shell-tracing, 2014-10-10) at the same time, and it does roughly the
same thing. The output is not quite as succinct as "verbose", and you
have to watch out for stray shell-traces ending up in stderr. But it
solves both of the problems above, and has clearly become the preferred
tool.
Let's consider the "verbose" function a failed experiment and remove the
last few callers (which are all many years old, and have been dwindling
as we remove them from scripts we touch for other reasons). It will be
one less thing for new test writers to see and wonder if they should be
using themselves.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fixes to code that parses the todo file used in "rebase -i".
* pw/rebase-i-parse-fix:
rebase -i: fix parsing of "fixup -C<commit>"
rebase -i: match whole word in is_command()
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If the user omits the space between "-C" and the commit in a fixup
command then it is parsed as an ordinary fixup and the commit message is
not updated as it should be. Fix this by making the space between "-C"
and "<commit>" optional as it is for the "merge" command.
Note that set_replace_editor() is changed to set $GIT_SEQUENCE_EDITOR
instead of $EDITOR in order to be able to replace the todo list and
reword commits with $FAKE_COMMIT_MESSAGE. This is safe as all the
existing users are using set_replace_editor() to replace the todo list.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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