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When hash compatibility mode is enabled, we cannot write broken objects
because they cannot be mapped into the other hash algorithm. Use the
BROKEN_OBJECTS prerequisite to disable these tests and the writing of
broken objects in this mode.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
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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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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Now that the default value for TEST_PASSES_SANITIZE_LEAK is `true` there
is no longer a need to have that variable declared in all of our tests.
Drop it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Builtin "git mktree" writes the the object name of the tree object built
to the standard output. Tests 'mktree refuses to read ls-tree -r output
(1)' and 'mktree refuses to read ls-tree -r output (2)' in
"t1010-mktree.sh" redirect output of "git mktree" to a file, but don't
use its contents in assertions.
Don't redirect output of "git mktree" to file "actual" in tests that
assert that an invocation of "git mktree" must fail.
Output of "git mktree" is empty when it refuses to build a tree object.
So, alternatively, the test could assert that the output is empty.
However, there isn't a good reason for the user to expect the command to
be silent in such cases, so we shouldn't enforce it. The user shouldn't
use the output of a failing command anyway.
Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Microsoft Windows, a directory name should never end with a period.
Quoting from Microsoft documentation[1]:
Do not end a file or directory name with a space or a period.
Although the underlying file system may support such names, the
Windows shell and user interface does not.
Naming a directory with a trailing period is indeed perilous:
% git init foo
% cd foo
% mkdir a.
% git status
warning: could not open directory 'a./': No such file or directory
The t1010 "setup" test:
for d in a a. a0
do
mkdir "$d" && echo "$d/one" >"$d/one" &&
git add "$d"
done &&
runs afoul of this Windows limitation, as can be observed when running
the test verbosely:
error: open("a./one"): No such file or directory
error: unable to index file 'a./one'
fatal: adding files failed
The reason this problem has gone unnoticed for so long is twofold.
First, the failed `git add` is swallowed silently because the loop is
not terminated explicitly by `|| return 1` to signal the failure.
Second, none of the tests in this script care about the literal
directory names ("a", "a.", "a0") or the specific number of tree
entries. They care instead about the order of entries in the tree, and
that the tree synthesized in the index and created by `git write-tree`
matches the tree created by the output of `git ls-tree` fed into `git
mktree`, thus the absence of "a./one" has no impact on the tests.
Skipping these tests on Windows by, for instance, checking the
FUNNYNAMES predicate would avoid the problem, however, the funny-looking
name is not what is being tested here. Rather, the tests are about
checking that `git mktree` produces stable results for various input
conditions, such as when the input order is not consistent or when an
object is missing.
Therefore, resolve the problem simply by using a directory name which is
legal on Windows and sorts the same as "a.". While at it, add the
missing `|| return 1` to the loop body in order to catch this sort of
problem in the future.
[1]: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mark some tests that match "*{mktree,commit,diff,grep,rm,merge,hunk}*"
as passing when git is compiled with SANITIZE=leak. They'll now be
listed as running under the "GIT_TEST_PASSING_SANITIZE_LEAK=true" test
mode (the "linux-leaks" CI target).
These were picked because we still have a lot of failures in adjacent
areas, and we didn't have much if any coverage of e.g. grep and diff
before this change, we could still whitelist a lot more tests, but
let's stop for now.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As of the last commit, we can use "perl" instead of
"$PERL_PATH" when running tests, as the former is now a
function which uses the latter. As the shorter "perl" is
easier on the eyes, let's switch to using it everywhere.
This is not quite a mechanical s/$PERL_PATH/perl/
replacement, though. There are some places where we invoke
perl from a script we generate on the fly, and those scripts
do not have access to our internal shell functions. The
result can be double-checked by running:
ln -s /bin/false bin-wrappers/perl
make test
which continues to pass even after this patch.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Otherwise it will be split at a space after "Program" when it is set
to "\\Program Files\perl" or something silly like that.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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GIT-BUILD-OPTIONS defines PERL_PATH to be used in the test suite. Only a
few tests already actually use this variable when perl is needed. The
other test just call 'perl' and it might happen that the wrong perl
interpreter is used.
This becomes problematic on Windows, when the perl interpreter that is
compiled and installed on the Windows system is used, because this perl
interpreter might introduce some unexpected LF->CRLF conversions.
This patch makes sure that $PERL_PATH is used everywhere in the test suite
and that the correct perl interpreter is used.
Signed-off-by: Vincent van Ravesteijn <vfr@lyx.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The last two tests here were always supposed to fail in the sense
that, according to code and documentation, mktree should read non-recursive
ls-tree output, but not recursive one, and therefore explicitely refuses
to deal with slashes.
Adjust the test (must_fail) so that it succeeds when mktree dies on
slashes.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We need to allow input lines that point at objects that we do not
have when dealing with submodule entries anyway. This adds an explicit
option to allow missing objects of other types, to be consistent with
the use of --info-only option to the update-index command and --missing-ok
option to the write-tree command.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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So far mktree (which has always been a quick hack) had no test.
At least give it a bit of test coverage.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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