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Some of our tests manually create, update or delete references by
writing the respective new values into the filesystem directly. While
this works with the current files reference backend, this will break
once we have a second reference backend implementation in our codebase.
Refactor these tests to instead use git-update-ref(1) or our `ref-store`
test tool. The latter is required in some cases where safety checks of
git-update-ref(1) would otherwise reject a reference update.
While at it, refactor some of the tests to schedule the cleanup command
via `test_when_finished` before modifying the repository.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running `git fetch --no-recurse-submodules`, the exectation is that
we don't fetch any submodules. And while this works for fetches of a
single remote, it doesn't when fetching multiple remotes at once. The
result is that we do recurse into submodules even though the user has
explicitly asked us not to.
This is because while we pass on `--recurse-submodules={yes,on-demand}`
if specified by the user, we don't pass on `--no-recurse-submodules` to
the subprocess spawned to perform the submodule fetch.
Fix this by also forwarding this flag as expected.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It seems a user would expect this option would work regardless
of whether it's fetching from a single remote, many remotes,
or recursing into submodules.
Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix test patterns added in 62104ba14af (submodules: allow parallel
fetching, add tests and documentation, 2015-12-15) and
a028a1930c6 (fetching submodules: respect `submodule.fetchJobs` config
option, 2016-02-29).
In the former case we were leaving a trace.out file at the top-level
for any subsequent tests (there are none, currently). Let's clean the
file up instead.
In the latter case we were testing that a given configuration would
result in "N tasks" in the log, but we were grepping through the log
for all previous such tests, when we really meant to clear the logs
between the "grep" invocations.
In practice this resulted in no logic error, as e.g. "--fetch 7" would
not print out a "9 tasks" line, but let's be paranoid and stop
implicitly assuming that that's the case.
This change was originally left out of 51243f9f0f6 (run-command API:
don't fall back on online_cpus(), 2022-10-12), which added the
">trace.out" seen at the end of the context.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Move a global variable added as a hack during regression fixes to
its proper place in the API.
* ab/run-hook-api-cleanup:
run-command.c: remove "max_processes", add "const" to signal() handler
run-command.c: pass "opts" further down, and use "opts->processes"
run-command.c: use "opts->processes", not "pp->max_processes"
run-command.c: don't copy "data" to "struct parallel_processes"
run-command.c: don't copy "ungroup" to "struct parallel_processes"
run-command.c: don't copy *_fn to "struct parallel_processes"
run-command.c: make "struct parallel_processes" const if possible
run-command API: move *_tr2() users to "run_processes_parallel()"
run-command API: have run_process_parallel() take an "opts" struct
run-command.c: use designated init for pp_init(), add "const"
run-command API: don't fall back on online_cpus()
run-command API: make "n" parameter a "size_t"
run-command tests: use "return", not "exit"
run-command API: have "run_processes_parallel{,_tr2}()" return void
run-command test helper: use "else if" pattern
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When a "jobs = 0" is passed let's BUG() out rather than fall back on
online_cpus(). The default behavior was added when this API was
implemented in c553c72eed6 (run-command: add an asynchronous parallel
child processor, 2015-12-15).
Most of our code in-tree that scales up to "online_cpus()" by default
calls that function by itself. Keeping this default behavior just for
the sake of two callers means that we'd need to maintain this one spot
where we're second-guessing the config passed down into pp_init().
The preceding commit has an overview of the API callers that passed
"jobs = 0". There were only two of them (actually three, but they
resolved to these two config parsing codepaths).
The "fetch.parallel" caller already had a test for the
"fetch.parallel=0" case added in 0353c688189 (fetch: do not run a
redundant fetch from submodule, 2022-05-16), but there was no such
test for "submodule.fetchJobs". Let's add one here.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Signed-off-by: Taylor Blau <me@ttaylorr.com>
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To prepare for the default value of `protocol.file.allow` to change to
"user", ensure tests that rely on local submodules can initialize them
over the file protocol.
Tests that only need to interact with submodules in a limited capacity
have individual Git commands annotated with the appropriate
configuration via `-c`. Tests that interact with submodules a handful of
times use `test_config_global` instead. Test scripts that rely on
submodules throughout use a `git config --global` during a setup test
towards the beginning of the script.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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When 7dce19d3 (fetch/pull: Add the --recurse-submodules option,
2010-11-12) introduced the "--recurse-submodule" option, the
approach taken was to perform fetches in submodules only once, after
all the main fetching (it may usually be a fetch from a single
remote, but it could be fetching from a group of remotes using
fetch_multiple()) succeeded. Later we added "--all" to fetch from
all defined remotes, which complicated things even more.
If your project has a submodule, and you try to run "git fetch
--recurse-submodule --all", you'd see a fetch for the top-level,
which invokes another fetch for the submodule, followed by another
fetch for the same submodule. All but the last fetch for the
submodule come from a "git fetch --recurse-submodules" subprocess
that is spawned via the fetch_multiple() interface for the remotes,
and the last fetch comes from the code at the end.
Because recursive fetching from submodules is done in each fetch for
the top-level in fetch_multiple(), the last fetch in the submodule
is redundant. It only matters when fetch_one() interacts with a
single remote at the top-level.
While we are at it, there is one optimization that exists in dealing
with a group of remote, but is missing when "--all" is used. In the
former, when the group turns out to be a group of one, instead of
spawning "git fetch" as a subprocess via the fetch_multiple()
interface, we use the normal fetch_one() code path. Do the same
when handing "--all", if it turns out that we have only one remote
defined.
Reviewed-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git fetch --recurse-submodules" only considers populated
submodules (i.e. submodules that can be found by iterating the index),
which makes "git fetch" behave differently based on which commit is
checked out. As a result, even if the user has initialized all submodules
correctly, they may not fetch the necessary submodule commits, and
commands like "git checkout --recurse-submodules" might fail.
Teach "git fetch" to fetch cloned, changed submodules regardless of
whether they are populated. This is in addition to the current behavior
of fetching populated submodules (which is always attempted regardless
of what was fetched in the superproject, or even if nothing was fetched
in the superproject).
A submodule may be encountered multiple times (via the list of
populated submodules or via the list of changed submodules). When this
happens, "git fetch" only reads the 'populated copy' and ignores the
'changed copy'. Amend the verify_fetch_result() test helper so that we
can assert on which 'copy' is being read.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few tests in t5526 use this pattern as part of their setup:
1. Create new commits in the upstream submodules (using
add_upstream_commit()).
2. In the upstream superprojects, add the new submodule commits from the
previous step.
A future commit will add more tests with this pattern, so reduce the
verbosity of present and future tests by introducing a test helper that
creates superproject commits. Since we now have two helpers that add
upstream commits, rename add_upstream_commit() to
add_submodule_commits().
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the previous commit message, we noted that not all of the "git fetch"
stderr is relevant to the tests. Most of the test setup lines are
dedicated to these details of the stderr:
1. which repos (super/sub/deep) are involved in the fetch
2. the head of the remote-tracking branch before the fetch (i.e. $head1)
3. the head of the remote-tracking branch after the fetch (i.e. $head2)
1. and 3. are relevant because they tell us that the expected commit is
fetched by the expected repo, but 2. is completely irrelevant.
Stop asserting on $head1 by replacing it with a dummy value in the
actual and expected output. Do this by introducing test
helpers (write_expected_*()) that make it easier to construct the
expected output, and use sed to munge the actual output.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Tests in t/t5526-fetch-submodules.sh are unnecessarily noisy:
* The tests have extra logic in order to reproduce the expected stderr
literally, but not all of these details (e.g. the head of the
remote-tracking branch before the fetch) are relevant to the test.
* The expect.err file is constructed by the add_upstream_commit() helper
as input into test_cmp, but most tests fetch a different combination
of repos from expect.err. This results in noisy tests that modify
parts of that expect.err to generate the expected output.
To address both of these issues, introduce a verify_fetch_result()
helper to t/t5526-fetch-submodules.sh that asserts on the output of "git
fetch --recurse-submodules" and handles the ordering of expect.err.
As a result, the tests no longer construct expect.err manually. Tests
still consider the old head of the remote-tracking branch ("$head1"),
but that will be fixed in a later commit.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A couple of test scripts have actually been adapted to accommodate for a
configurable default branch name, but they still overrode it via the
`GIT_TEST_*` variable. Let's drop that override where possible.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Pass the repo explicitly when calling check_has_commit() to avoid
relying on add_submodule_odb(). With this commit and the parent commit,
the last remaining tests no longer rely on add_submodule_odb(), so mark
these tests accordingly.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As a follow-up to d162b25f956 (tests: remove support for
GIT_TEST_GETTEXT_POISON, 2021-01-20) remove most uses of test_i18ncmp
via a simple s/test_i18ncmp/test_cmp/g search-replacement.
I'm leaving t6300-for-each-ref.sh out due to a conflict with in-flight
changes between "master" and "seen", as well as the prerequisite
itself due to other changes between "master" and "next/seen" which add
new test_i18ncmp uses.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git fetch --recurse-submodules" fix (second attempt).
* pk/subsub-fetch-fix-take-2:
submodules: fix of regression on fetching of non-init subsub-repo
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Prepare tests not to be affected by the name of the default branch
"git init" creates.
* js/default-branch-name-tests-final-stretch: (28 commits)
tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed
t99*: adjust the references to the default branch name "main"
tests(git-p4): transition to the default branch name `main`
t9[5-7]*: adjust the references to the default branch name "main"
t9[0-4]*: adjust the references to the default branch name "main"
t8*: adjust the references to the default branch name "main"
t7[5-9]*: adjust the references to the default branch name "main"
t7[0-4]*: adjust the references to the default branch name "main"
t6[4-9]*: adjust the references to the default branch name "main"
t64*: preemptively adjust alignment to prepare for `master` -> `main`
t6[0-3]*: adjust the references to the default branch name "main"
t5[6-9]*: adjust the references to the default branch name "main"
t55[4-9]*: adjust the references to the default branch name "main"
t55[23]*: adjust the references to the default branch name "main"
t551*: adjust the references to the default branch name "main"
t550*: adjust the references to the default branch name "main"
t5503: prepare aligned comment for replacing `master` with `main`
t5[0-4]*: adjust the references to the default branch name "main"
t5323: prepare centered comment for `master` -> `main`
t4*: adjust the references to the default branch name "main"
...
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"git fetch --recurse-submodules" fix (second attempt).
* pk/subsub-fetch-fix-take-2:
submodules: fix of regression on fetching of non-init subsub-repo
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A regression has been introduced by a62387b (submodule.c: fetch in
submodules git directory instead of in worktree, 2018-11-28).
The scenario in which it triggers is when one has a repository with a
submodule inside a submodule like this:
superproject/middle_repo/inner_repo
Person A and B have both a clone of it, while Person B is not working
with the inner_repo and thus does not have it initialized in his working
copy.
Now person A introduces a change to the inner_repo and propagates it
through the middle_repo and the superproject.
Once person A pushed the changes and person B wants to fetch them using
"git fetch" at the superproject level, B's git call will return with
error saying:
Could not access submodule 'inner_repo'
Errors during submodule fetch:
middle_repo
Expectation is that in this case the inner submodule will be recognized
as uninitialized submodule and skipped by the git fetch command.
This used to work correctly before 'a62387b (submodule.c: fetch in
submodules git directory instead of in worktree, 2018-11-28)'.
Starting with a62387b the code wants to evaluate "is_empty_dir()" inside
.git/modules for a directory only existing in the worktree, delivering
then of course wrong return value.
This patch ensures is_empty_dir() is getting the correct path of the
uninitialized submodule by concatenation of the actual worktree and the
name of the uninitialized submodule.
The first attempt to fix this regression, in 1b7ac4e6d4 (submodules:
fix of regression on fetching of non-init subsub-repo, 2020-11-12), by
simply reverting a62387b, resulted in an infinite loop of submodule
fetches in the simpler case of a recursive fetch of a superproject with
uninitialized submodules, and so this commit was reverted in 7091499bc0
(Revert "submodules: fix of regression on fetching of non-init
subsub-repo", 2020-12-02).
To prevent future breakages, also add a regression test for this
scenario.
Signed-off-by: Peter Kaestle <peter.kaestle@nokia.com>
CC: Junio C Hamano <gitster@pobox.com>
CC: Philippe Blain <levraiphilippeblain@gmail.com>
CC: Ralf Thielow <ralf.thielow@gmail.com>
CC: Eric Sunshine <sunshine@sunshineco.us>
Reviewed-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Initially, we started converting this test script in anticipation for
renaming the default branch name to `main`. To that end, we partially
converted it to accommodate for that default branch name, marking the
now-failing test cases with a prereq that was designed to be fulfilled
once the rename was complete.
However, the effort to move to the branch name `main` needs quite a bit
longer, as it was decided that we need a deprecation phase first.
To avoid keeping t5526 in limbo for such a long time, we just made it
independent of the actual default branch name used by Git. Therefore,
that prereq is no longer necessary, and we can drop it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While at it, use different default branch names for the three different
repositories involved in the test script: this makes it easier to debug
failures, too (otherwise you have to wonder which `master` branch was
meant: the super project's? The submodule's? The nested submodule's?).
Note: this touches code that was originally modified to prepare for
renaming the default branch name to `main`. This patch side-steps that
effort completely by overriding the initial branch name explicitly.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An earlier attempt to fix "git fetch --recurse-submodules" broke
another use case; revert it until a better fix is found.
* pk/subsub-fetch-fix:
Revert "submodules: fix of regression on fetching of non-init subsub-repo"
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This reverts commit 1b7ac4e6d4d490b224f5206af7418ed74e490608; in
<CAN0XMOLiS_8JZKF_wW70BvRRxkDHyUoa=Z3ODtB_Bd6f5Y=7JQ@mail.gmail.com>,
Ralf Thielow reports that "git fetch" with submodule.recurse set can
result in a bogus and infinitely recursive fetching of the same
submodule.
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"git fetch" did not work correctly with nested submodules where the
innermost submodule that is not of interest got updated in the
upstream, which has been corrected.
* pk/subsub-fetch-fix:
submodules: fix of regression on fetching of non-init subsub-repo
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In addition to the manual adjustment to let the `linux-gcc` CI job run
the test suite with `master` and then with `main`, this patch makes sure
that GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME is set in all test scripts
that currently rely on the initial branch name being `master by default.
To determine which test scripts to mark up, the first step was to
force-set the default branch name to `master` in
- all test scripts that contain the keyword `master`,
- t4211, which expects `t/t4211/history.export` with a hard-coded ref to
initialize the default branch,
- t5560 because it sources `t/t556x_common` which uses `master`,
- t8002 and t8012 because both source `t/annotate-tests.sh` which also
uses `master`)
This trick was performed by this command:
$ sed -i '/^ *\. \.\/\(test-lib\|lib-\(bash\|cvs\|git-svn\)\|gitweb-lib\)\.sh$/i\
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
' $(git grep -l master t/t[0-9]*.sh) \
t/t4211*.sh t/t5560*.sh t/t8002*.sh t/t8012*.sh
After that, careful, manual inspection revealed that some of the test
scripts containing the needle `master` do not actually rely on a
specific default branch name: either they mention `master` only in a
comment, or they initialize that branch specificially, or they do not
actually refer to the current default branch. Therefore, the
aforementioned modification was undone in those test scripts thusly:
$ git checkout HEAD -- \
t/t0027-auto-crlf.sh t/t0060-path-utils.sh \
t/t1011-read-tree-sparse-checkout.sh \
t/t1305-config-include.sh t/t1309-early-config.sh \
t/t1402-check-ref-format.sh t/t1450-fsck.sh \
t/t2024-checkout-dwim.sh \
t/t2106-update-index-assume-unchanged.sh \
t/t3040-subprojects-basic.sh t/t3301-notes.sh \
t/t3308-notes-merge.sh t/t3423-rebase-reword.sh \
t/t3436-rebase-more-options.sh \
t/t4015-diff-whitespace.sh t/t4257-am-interactive.sh \
t/t5323-pack-redundant.sh t/t5401-update-hooks.sh \
t/t5511-refspec.sh t/t5526-fetch-submodules.sh \
t/t5529-push-errors.sh t/t5530-upload-pack-error.sh \
t/t5548-push-porcelain.sh \
t/t5552-skipping-fetch-negotiator.sh \
t/t5572-pull-submodule.sh t/t5608-clone-2gb.sh \
t/t5614-clone-submodules-shallow.sh \
t/t7508-status.sh t/t7606-merge-custom.sh \
t/t9302-fast-import-unpack-limit.sh
We excluded one set of test scripts in these commands, though: the range
of `git p4` tests. The reason? `git p4` stores the (foreign) remote
branch in the branch called `p4/master`, which is obviously not the
default branch. Manual analysis revealed that only five of these tests
actually require a specific default branch name to pass; They were
modified thusly:
$ sed -i '/^ *\. \.\/lib-git-p4\.sh$/i\
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
' t/t980[0167]*.sh t/t9811*.sh
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A regression has been introduced by a62387b (submodule.c: fetch in
submodules git directory instead of in worktree, 2018-11-28).
The scenario in which it triggers is when one has a remote repository
with a subrepository inside a subrepository like this:
superproject/middle_repo/inner_repo
Person A and B have both a clone of it, while Person B is not working
with the inner_repo and thus does not have it initialized in his working
copy.
Now person A introduces a change to the inner_repo and propagates it
through the middle_repo and the superproject.
Once person A pushed the changes and person B wants to fetch them using
"git fetch" on superproject level, B's git call will return with error
saying:
Could not access submodule 'inner_repo'
Errors during submodule fetch:
middle_repo
Expectation is that in this case the inner submodule will be recognized
as uninitialized subrepository and skipped by the git fetch command.
This used to work correctly before 'a62387b (submodule.c: fetch in
submodules git directory instead of in worktree, 2018-11-28)'.
Starting with a62387b the code wants to evaluate "is_empty_dir()" inside
.git/modules for a directory only existing in the worktree, delivering
then of course wrong return value.
This patch reverts the changes of a62387b and introduces a regression
test.
Signed-off-by: Peter Kaestle <peter.kaestle@nokia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In some tests, the default branch name is part of aligned output. As we
want to change the default branch name to `main`, which is two
characters shorter than the old default branch name, we will have to
adjust those tests.
Since we use the original default branch name until the entire test
suite has been adjusted accordingly, the touched test cases need to be
guarded by a prereq (that is so far disabled so that they are skipped
for now).
The test cases that depend on those test cases that are newly guarded by
that prereq naturally have to be guarded, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git fetch --recurse-submodules" may not fetch the necessary commit
that is bound to the superproject, which is getting corrected.
* sb/submodule-recursive-fetch-gets-the-tip:
fetch: ensure submodule objects fetched
submodule.c: fetch in submodules git directory instead of in worktree
submodule: migrate get_next_submodule to use repository structs
repository: repo_submodule_init to take a submodule struct
submodule: store OIDs in changed_submodule_names
submodule.c: tighten scope of changed_submodule_names struct
submodule.c: sort changed_submodule_names before searching it
submodule.c: fix indentation
sha1-array: provide oid_array_filter
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In a028a1930c (fetching submodules: respect `submodule.fetchJobs`
config option, 2016-02-29), we made sure to keep the default
behavior of fetching at most one submodule at once when not setting
the newly introduced `submodule.fetchJobs` config.
This regressed in 90efe595c5 (builtin/submodule--helper: factor
out submodule updating, 2018-08-03). Fix it.
Reported-by: Sjon Hortensius <sjon@parse.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently when git-fetch is asked to recurse into submodules, it dispatches
a plain "git-fetch -C <submodule-dir>" (with some submodule related options
such as prefix and recusing strategy, but) without any information of the
remote or the tip that should be fetched.
But this default fetch is not sufficient, as a newly fetched commit in
the superproject could point to a commit in the submodule that is not
in the default refspec. This is common in workflows like Gerrit's.
When fetching a Gerrit change under review (from refs/changes/??), the
commits in that change likely point to submodule commits that have not
been merged to a branch yet.
Fetch a submodule object by id if the object that the superproject
points to, cannot be found. For now this object is fetched from the
'origin' remote as we defer getting the default remote to a later patch.
A list of new submodule commits are already generated in certain
conditions (by check_for_new_submodule_commits()); this new feature
invokes that function in more situations.
The submodule checks were done only when a ref in the superproject
changed, these checks were extended to also be performed when fetching
into FETCH_HEAD for completeness, and add a test for that too.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fixes.
* sg/test-must-be-empty:
tests: use 'test_must_be_empty' instead of 'test_cmp <empty> <out>'
tests: use 'test_must_be_empty' instead of 'test_cmp /dev/null <out>'
tests: use 'test_must_be_empty' instead of 'test ! -s'
tests: use 'test_must_be_empty' instead of '! test -s'
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Using 'test_must_be_empty' is shorter and more idiomatic than
>empty &&
test_cmp empty out
as it saves the creation of an empty file. Furthermore, sometimes the
expected empty file doesn't have such a descriptive name like 'empty',
and its creation is far away from the place where it's finally used
for comparison (e.g. in 't7600-merge.sh', where two expected empty
files are created in the 'setup' test, but are used only about 500
lines later).
These cases were found by instrumenting 'test_cmp' to error out the
test script when it's used to compare empty files, and then converted
manually.
Note that even after this patch there still remain a lot of cases
where we use 'test_cmp' to check empty files:
- Sometimes the expected output is not hard-coded in the test, but
'test_cmp' is used to ensure that two similar git commands produce
the same output, and that output happens to be empty, e.g. the
test 'submodule update --merge - ignores --merge for new
submodules' in 't7406-submodule-update.sh'.
- Repetitive common tasks, including preparing the expected results
and running 'test_cmp', are often extracted into a helper
function, and some of this helper's callsites expect no output.
- For the same reason as above, the whole 'test_expect_success'
block is within a helper function, e.g. in 't3070-wildmatch.sh'.
- Or 'test_cmp' is invoked in a loop, e.g. the test 'cvs update
(-p)' in 't9400-git-cvsserver-server.sh'.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using 'test_must_be_empty' is preferable to '! test -s', because it
gives a helpful error message if the given file is unexpectedly not
empty, while the latter remains completely silent. Furthermore, it
also catches cases when the given file unexpectedly does not exist at
all.
This patch was basically created by:
sed -i -e 's/! test -s/test_must_be_empty/' t[0-9]*.sh
with the following notable exceptions:
- The '! test -s' check in '.gitmodules ignore=dirty suppresses
submodules with untracked content' in 't7508-status.sh' is left
as-is, because it's bogus and, therefore, it's subject of a
dedicated patch.
- The '! test -s' checks in 't9131-git-svn-empty-symlink.sh' and
't9135-git-svn-moved-branch-empty-file.sh' are immediately
preceeded by a 'test -f' to ensure that the files exist in the
first place. 'test_must_be_empty' ensures that as well, so those
'test -f' commands are removed as well.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The topic merged in 0c7ecb7c311 (Merge branch 'sb/submodule-move-nested',
2018-05-08) provided support for moving nested submodules.
Remove the NEEDSWORK comment and implement the nested submodules test as
the comment hinted at.
Signed-off-by: Stefan Beller <sbeller@google.com>
Acked-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running test scripts under -x option of the shell is often not a
useful way to debug them, because the error messages from the
commands tests try to capture and inspect are contaminated by the
tracing output by the shell. An earlier work done to make it more
pleasant to run tests under -x with recent versions of bash is
extended to cover posix shells that do not support BASH_XTRACEFD.
* sg/test-x:
travis-ci: run tests with '-x' tracing
t/README: add a note about don't saving stderr of compound commands
t1510-repo-setup: mark as untraceable with '-x'
t9903-bash-prompt: don't check the stderr of __git_ps1()
t5570-git-daemon: don't check the stderr of a subshell
t5526: use $TRASH_DIRECTORY to specify the path of GIT_TRACE log file
t5500-fetch-pack: don't check the stderr of a subshell
t3030-merge-recursive: don't check the stderr of a subshell
t1507-rev-parse-upstream: don't check the stderr of a shell function
t: add means to disable '-x' tracing for individual test scripts
t: prevent '-x' tracing from interfering with test helpers' stderr
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The test 'fetch --recurse-submodules -j2 has the same output
behaviour' in 't5526-fetch-submodules.sh' fails when the test script
is run with '-x' tracing (and using a shell other than a Bash version
supporting BASH_XTRACEFD). The reason of that failure is the
following command:
GIT_TRACE=$(pwd)/../trace.out git fetch <...> 2>../actual.err
because the trace of executing 'pwd' in the command substitution ends
up in 'actual.err' as well, throwing off the subsequent
'test_i18ncmp'.
Use $TRASH_DIRECTORY to specify the path of the GIT_TRACE log file
instead of $(pwd), so the command's stderr remains free from tracing
output.
After this change t5526 passes with '-x', even when running with
/bin/sh.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are a small number of misspellings, ".gitmodule", scattered
throughout the code base, correct them ... no apparent functional
changes.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We store the changed submodules paths to calculate which submodule needs
fetching. This does not work for moved submodules since their paths do
not stay the same in case of a moved submodules. In case of new
submodules we do not have a path in the current checkout, since they
just appeared in this fetch.
It is more general to collect the submodule names for changes instead of
their paths to include the above cases. If we do not have a
configuration for a gitlink we rely on constructing a default name from
the path if a git repository can be found at its path. We skip
non-configured gitlinks whose default name collides with a configured
one.
With the change described above we implement 'on-demand' fetching of
changes in moved submodules.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The current implementation of submodules supports on-demand fetch if
there is no .gitmodules entry for a submodule. Let's add a test to
document this behavior.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix.
* hv/t5526-andand-chain-fix:
t5526: fix some broken && chains
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Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function is used to set up the environment variable used in a
subprocess we spawn in a submodule directory. The callers set up a
child_process structure, find the working tree path of one submodule
and set .dir field to it, and then use start_command() API to spawn
the subprocess like "status", "fetch", etc.
When this happens, we expect that the ".git" (either a directory or
a gitfile that points at the real location) in the current working
directory of the subprocess MUST be the repository for the submodule.
If this ".git" thing is a corrupt repository, however, because
prepare_submodule_repo_env() unsets GIT_DIR and GIT_WORK_TREE, the
subprocess will see ".git", thinks it is not a repository, and
attempt to find one by going up, likely to end up in finding the
repository of the superproject. In some codepaths, this will cause
a command run with the "--recurse-submodules" option to recurse
forever.
By exporting GIT_DIR=.git, disable the auto-discovery logic in the
subprocess, which would instead stop it and report an error.
The test illustrates existing problems in a few callsites of this
function. Without this fix, "git fetch --recurse-submodules", "git
status" and "git diff" keep recursing forever.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This allows to configure fetching and updating in parallel
without having the command line option.
This moved the responsibility to determine how many parallel processes
to start from builtin/fetch to submodule.c as we need a way to communicate
"The user did not specify the number of parallel processes in the command
line options" in the builtin fetch. The submodule code takes care of
the precedence (CLI > config > default).
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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