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Change a use of $GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME added in
704fed9ea22 (tests: start moving to a different default main branch
name, 2020-10-23) to simply discover the initial branch name of a
repository set up in this function with "symbolic-ref --short".
That's something done in another test in 704fed9ea22, so doing it like
this seems like an omission, or rather an overly eager
search/replacement instead of fixing the test logic.
There are only three uses of the GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
variable in the test suite, this gets rid of one of those.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When stash was converted from shell to a builtin, it merely
transliterated the forking of various git commands from shell to a C
program that would fork the same commands. Some of those were converted
over to actual library calls, but much of the pipeline-of-commands
design still remains. Fix some of this by replacing the portion
corresponding to
git diff-index --cached --name-only --diff-filter=A $CTREE >"$a"
git read-tree --reset $CTREE
git update-index --add --stdin <"$a"
rm -f "$a"
into a library function that does the same thing. (The read-tree
--reset was already partially converted over to a library call, but as
an independent piece.) Note here that this came after a merge operation
was performed. The merge machinery always stages anything that cleanly
merges, and the above code only runs if there are no conflicts. Its
purpose is to make it so that when there are no conflicts, all the
changes from the stash are unstaged. However, that causes brand new
files from the stash to become untracked, so the code above first saves
those files off and then re-adds them afterwards.
We replace the whole series of commands with a simple function that will
unstage files that are not newly added. This doesn't fix any bugs in
the usage of these commands, it simply matches the existing behavior but
makes it into a single atomic operation that we can then operate on as a
whole. A subsequent commit will take advantage of this to fix issues
with these commands in sparse-checkouts.
This conversion incidentally fixes t3906.1, because the separate
update-index process would die with the following error messages:
error: uninitialized_sub: is a directory - add files inside instead
fatal: Unable to process path uninitialized_sub
The unstaging of the directory as a submodule meant it was no longer
tracked, and thus as an uninitialized directory it could not be added
back using `git update-index --add`, thus resulting in this error and
early abort. Most of the submodule tests in 3906 continue to fail after
this change, this change was just enough to push the first of those
tests to success.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To allow for an incremental conversion to a new default main branch
name, let's introduce `GIT_TEST_DEFAULT_MAIN_BRANCH_NAME`. This
environment variable can be set at the top of each converted test
script, overriding the default main branch name to use when initializing
new repositories (or cloning empty repositories).
Note: the `GIT_TEST_DEFAULT_MAIN_BRANCH_NAME` is _not_ intended to be
used manually; many tests require a specific main branch name and cannot
simply work with another one. This `GIT_TEST_*` variable is meant purely
for the transitional period while the entire test suite is converted to
use `main` as the initial branch name by default.
We also introduce the `PREPARE_FOR_MAIN_BRANCH` prereq that determines
whether the default main branch name is `main`, and adjust a couple of
test functions to use it. This prereq will be used to temporarily
disable a couple test cases to allow for adjusting the test script
incrementally. Once an entire test is adjusted, we will adjust the test
so that it is run with `GIT_TEST_DEFAULT_MAIN_BRANCH_NAME=main`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we call test_oid_init in the setup for all test scripts,
there's no point in calling it individually. Remove all of the places
where we've done so to help keep tests tidy.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The effort to avoid using test_must_fail on non-git command continues.
* dl/test-must-fail-fixes-5:
lib-submodule-update: pass 'test_must_fail' as an argument
lib-submodule-update: prepend "git" to $command
lib-submodule-update: consolidate --recurse-submodules
lib-submodule-update: add space after function name
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When we run a test helper function in test_submodule_switch_common(), we
sometimes specify a whole helper function as the $command. When we do
this, in some test cases, we just mark the whole function with
`test_must_fail`. However, it's possible that the helper function might
fail earlier or later than expected due to an introduced bug. If this
happens, then the test case will still report as passing but it should
really be marked as failing since it didn't actually display the
intended behaviour.
Instead of invoking `test_must_fail $command`, pass the string
"test_must_fail" as the second argument in case where the git command is
expected to fail.
When $command is a helper function, the parent function calling
test_submodule_switch_common() is test_submodule_switch_func(). For all
test_submodule_switch_func() invocations, increase the granularity of
the argument test helper function by prefixing the git invocation which is
meant to fail with the second argument like this:
$2 git checkout "$1"
In the other cases, test_submodule_switch() and
test_submodule_forced_switch(), instead of passing in the git command
directly, wrap it using the git_test_func() and pass the git arguments
using the global variable $gitcmd. Unfortunately, since closures aren't
a thing in shell scripts, the global variable is necessary. Another
unfortunate result is that the "git_test_func" will used as the test
case name when $command is printed but it's worth it for the cleaner
code.
Finally, as an added bonus, `test_must_fail` will now only run on git
commands.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since all invocations of test_submodule_forced_switch() are git
commands, automatically prepend "git" before invoking
test_submodule_switch_common().
Similarly, many invocations of test_submodule_switch() are also git
commands so automatically prepend "git" before invoking
test_submodule_switch_common() as well.
Finally, for invocations of test_submodule_switch() that invoke a custom
function, rename the old function to test_submodule_switch_func().
This is necessary because in a future commit, we will be adding some
logic that needs to distinguish between an invocation of a plain git
comamnd and an invocation of a test helper function.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both test_submodule_switch_recursing_with_args() and
test_submodule_forced_switch_recursing_with_args() call the internal
function test_submodule_recursing_with_args_common() with the final
argument of `--recurse-submodules`. Consolidate this duplication by
appending the argument in test_submodule_recursing_with_args_common().
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the shell scripts in this codebase, the usual style is to include a
space between the function name and the (). Add these missing spaces to
conform to the usual style of the code.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test cleanup.
* jk/test-cleanup:
t/lib-*.sh: drop executable bit
t/lib-credential.sh: drop shebang line
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There's no need for shell libraries to have the executable bit. They're
meant to be sourced, and running them stand-alone is pointless. Let's
reduce any possible confusion by making it more clear they're not meant
to be run this way.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous commit fixed a bug with the (no submodule) -> (nested
submodules) transition for commands in the unpack-trees machinery.
Let's add a test for the reverse transition (going from nested
submodules to no submodule), as it is not being tested currently.
While at it, uniformize the capitalization in the list of tests.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using `git checkout --recurse-submodules` to switch between a
branch with no submodules and a branch with initialized nested
submodules currently causes a fatal error:
$ git checkout --recurse-submodules branch-with-nested-submodules
fatal: exec '--super-prefix=submodule/nested/': cd to 'nested'
failed: No such file or directory
error: Submodule 'nested' could not be updated.
error: Submodule 'submodule/nested' cannot checkout new HEAD.
error: Submodule 'submodule' could not be updated.
M submodule
Switched to branch 'branch-with-nested-submodules'
The checkout succeeds but the worktree and index of the first level
submodule are left empty:
$ cd submodule
$ git -c status.submoduleSummary=1 status
HEAD detached at b3ce885
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
deleted: .gitmodules
deleted: first.t
deleted: nested
fatal: not a git repository: 'nested/.git'
Submodule changes to be committed:
* nested 1e96f59...0000000:
$ git ls-files -s
$ # empty
$ ls -A
.git
The reason for the fatal error during the checkout is that a child git
process tries to cd into the yet unexisting nested submodule directory.
The sequence is the following:
1. The main git process (the one running in the superproject) eventually
reaches write_entry() in entry.c, which creates the first level
submodule directory and then calls submodule_move_head() in submodule.c,
which spawns `git read-tree` in the submodule directory.
2. The first child git process (the one in the submodule of the
superproject) eventually calls check_submodule_move_head() at
unpack_trees.c:2021, which calls submodule_move_head in dry-run mode,
which spawns `git read-tree` in the nested submodule directory.
3. The second child git process tries to chdir() in the yet unexisting
nested submodule directory in start_command() at run-command.c:829 and
dies before exec'ing.
The reason why check_submodule_move_head() is reached in the first child
and not in the main process is that it is inside an
if(submodule_from_ce()) construct, and submodule_from_ce() returns a
valid struct submodule pointer, whereas it returns a null pointer in the
main git process.
The reason why submodule_from_ce() returns a null pointer in the main
git process is because the call to cache_lookup_path() in config_from()
(called from submodule_from_path() in submodule_from_ce()) returns a
null pointer since the hashmap "for_path" in the submodule_cache of
the_repository is not yet populated. It is not populated because both
repo_get_oid(repo, GITMODULES_INDEX, &oid) and repo_get_oid(repo,
GITMODULES_HEAD, &oid) in config_from_gitmodules() at
submodule-config.c:639-640 return -1, as at this stage of the operation,
neither the HEAD of the superproject nor its index contain any
.gitmodules file.
In contrast, in the first child the hashmap is populated because
repo_get_oid(repo, GITMODULES_HEAD, &oid) returns 0 as the HEAD of the
first level submodule, i.e. .git/modules/submodule/HEAD, points to a
commit where .gitmodules is present and records 'nested' as a submodule.
Fix this bug by checking that the submodule directory exists before
calling check_submodule_move_head() in merged_entry() in the `if(!old)`
branch, i.e. if going from a commit with no submodule to a commit with a
submodule present.
Also protect the other call to check_submodule_move_head() in
merged_entry() the same way as it is safer, even though the `else if
(!(old->ce_flags & CE_CONFLICTED))` branch of the code is not at play in
the present bug.
The other calls to check_submodule_move_head() in other functions in
unpack_trees.c are all already protected by calls to lstat() somewhere
in
the program flow so we don't need additional protection for them.
All commands in the unpack_trees machinery are affected, i.e. checkout,
reset and read-tree when called with the --recurse-submodules flag.
This bug was first reported in [1].
[1]
https://lore.kernel.org/git/7437BB59-4605-48EC-B05E-E2BDB2D9DABC@gmail.com/
Reported-by: Philippe Blain <levraiphilippeblain@gmail.com>
Reported-by: Damien Robert <damien.olivier.robert@gmail.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test "$command: submodule branch is not changed, detach HEAD
instead" is in the "Appearing submodule" section of
test_submodule_recursing_with_args_common(), but this test updates a
submodule; it does not test a transition from a state with no submodule
to a state with a submodule.
As such, for consistency, move it to the "Modified submodule" section of
the same function. While at it, add a comment describing the test.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The commands in the unpack_trees machinery (checkout, reset, read-tree)
were fixed in 218c883783 (submodule: properly recurse for read-tree and
checkout, 2017-05-02) to correctly update nested submodules when called
with the `--recurse-submodules` flag.
However, a comment in t/lib-submodule-update.sh mentions that this use
case still doesn't work.
Remove this outdated comment.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of using a specific invalid hard-coded object ID, produce one
of the appropriate length by using test_oid.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a submodule is deinit'd, the working tree is gone, so the setting of
core.worktree is bogus. Unset it. As we covered the only other case in
which a submodule loses its working tree in the earlier step
(i.e. switching branches of top-level project to move to a commit that did
not have the submodule), this makes the code always maintain
core.worktree correctly unset when there is no working tree
for a submodule.
This re-introduces 984cd77ddb (submodule deinit: unset core.worktree,
2018-06-18), which was reverted as part of f178c13fda (Revert "Merge
branch 'sb/submodule-core-worktree'", 2018-09-07)
The whole series was reverted as the offending commit e98317508c
(submodule: ensure core.worktree is set after update, 2018-06-18)
was relied on by other commits such as 984cd77ddb.
Keep the offending commit reverted, but its functionality came back via
4d6d6ef1fc (Merge branch 'sb/submodule-update-in-c', 2018-09-17), such
that we can reintroduce 984cd77ddb now.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a submodules work tree is removed, we should unset its core.worktree
setting as the worktree is no longer present. This is not just in line
with the conceptual view of submodules, but it fixes an inconvenience
for looking at submodules that are not checked out:
git clone --recurse-submodules git://github.com/git/git && cd git &&
git checkout --recurse-submodules v2.13.0
git -C .git/modules/sha1collisiondetection log
fatal: cannot chdir to '../../../sha1collisiondetection': \
No such file or directory
With this patch applied, the final call to git log works instead of dying
in its setup, as the checkout will unset the core.worktree setting such
that following log will be run in a bare repository.
This patch covers all commands that are in the unpack machinery, i.e.
checkout, read-tree, reset. A follow up patch will address
"git submodule deinit", which will also make use of the new function
submodule_unset_core_worktree(), which is why we expose it in this patch.
This patch was authored as 4fa4f90ccd (submodule: unset core.worktree if
no working tree is present, 2018-06-12), which was reverted as part of
f178c13fda (Revert "Merge branch 'sb/submodule-core-worktree'",
2018-09-07). The revert was needed as the nearby commit e98317508c
(submodule: ensure core.worktree is set after update, 2018-06-18) is
faulty and at the time of 7e25437d35 (Merge branch
'sb/submodule-core-worktree', 2018-07-18) we could not revert the faulty
commit only, as they were depending on each other: If core.worktree is
unset, we have to have ways to ensure that it is set again once
the working tree reappears again.
Now that 4d6d6ef1fc (Merge branch 'sb/submodule-update-in-c', 2018-09-17),
specifically 74d4731da1 (submodule--helper: replace
connect-gitdir-workingtree by ensure-core-worktree, 2018-08-13) is
present, we already check and ensure core.worktree is set when
populating a new work tree, such that we can re-introduce the commits
that unset core.worktree when removing the worktree.
Signed-off-by: Stefan Beller <sbeller@google.com>
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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This reverts commit 7e25437d35a70791b345872af202eabfb3e1a8bc, reversing
changes made to 00624d608cc69bd62801c93e74d1ea7a7ddd6598.
v2.19.0-rc0~165^2~1 (submodule: ensure core.worktree is set after
update, 2018-06-18) assumes an "absorbed" submodule layout, where the
submodule's Git directory is in the superproject's .git/modules/
directory and .git in the submodule worktree is a .git file pointing
there. In particular, it uses $GIT_DIR/modules/$name to find the
submodule to find out whether it already has core.worktree set, and it
uses connect_work_tree_and_git_dir if not, resulting in
fatal: could not open sub/.git for writing
The context behind that patch: v2.19.0-rc0~165^2~2 (submodule: unset
core.worktree if no working tree is present, 2018-06-12) unsets
core.worktree when running commands like "git checkout
--recurse-submodules" to switch to a branch without the submodule. If
a user then uses "git checkout --no-recurse-submodules" to switch back
to a branch with the submodule and runs "git submodule update", this
patch is needed to ensure that commands using the submodule directly
are aware of the path to the worktree.
It is late in the release cycle, so revert the whole 3-patch series.
We can try again later for 2.20.
Reported-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test clean-up and corrections.
* es/test-fixes: (26 commits)
t5608: fix broken &&-chain
t9119: fix broken &&-chains
t9000-t9999: fix broken &&-chains
t7000-t7999: fix broken &&-chains
t6000-t6999: fix broken &&-chains
t5000-t5999: fix broken &&-chains
t4000-t4999: fix broken &&-chains
t3030: fix broken &&-chains
t3000-t3999: fix broken &&-chains
t2000-t2999: fix broken &&-chains
t1000-t1999: fix broken &&-chains
t0000-t0999: fix broken &&-chains
t9814: simplify convoluted check that command correctly errors out
t9001: fix broken "invoke hook" test
t7810: use test_expect_code() instead of hand-rolled comparison
t7400: fix broken "submodule add/reconfigure --force" test
t7201: drop pointless "exit 0" at end of subshell
t6036: fix broken "merge fails but has appropriate contents" tests
t5505: modernize and simplify hard-to-digest test
t5406: use write_script() instead of birthing shell script manually
...
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"git checkout --recurse-submodules another-branch" did not report
in which submodule it failed to update the working tree, which
resulted in an unhelpful error message.
* sb/submodule-move-head-error-msg:
submodule.c: report the submodule that an error occurs in
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This test has been dysfunctional since it was added by 259f3ee296
(lib-submodule-update.sh: define tests for recursing into submodules,
2017-03-14), however, the problem went unnoticed due to a broken
&&-chain.
The test wants to verify that replacing a submodule containing a .git
directory will absorb the .git directory into the .git/modules/ of the
superproject, and then replace the working tree content appropriate to
the superproject. It is, therefore, incorrect to check if the
submodule content still exists since the submodule will have been
replaced by the content of the superproject.
Fix this by removing the submodule content check, which also happens
to be the line that broke the &&-chain.
While at it, fix broken &&-chains in a couple neighboring tests.
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When an error occurs in updating the working tree of a submodule in
submodule_move_head, tell the user which submodule the error occurred in.
The call to read-tree contains a super-prefix, such that the read-tree
will correctly report any path related issues, but some error messages
do not contain a path, for example:
~/gerrit$ git checkout --recurse-submodules origin/master
~/gerrit$ fatal: failed to unpack tree object 07672f31880ba80300b38492df9d0acfcd6ee00a
Give the hint which submodule has a problem.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a submodule is deinit'd, the working tree is gone, so the setting of
core.worktree is bogus. Unset it.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a submodules work tree is removed, we should unset its core.worktree
setting as the worktree is no longer present. This is not just in line
with the conceptual view of submodules, but it fixes an inconvenience
for looking at submodules that are not checked out:
git clone --recurse-submodules git://github.com/git/git && cd git &&
git checkout --recurse-submodules v2.13.0
git -C .git/modules/sha1collisiondetection log
fatal: cannot chdir to '../../../sha1collisiondetection': \
No such file or directory
With this patch applied, the final call to git log works instead of dying
in its setup, as the checkout will unset the core.worktree setting such
that following log will be run in a bare repository.
This patch covers all commands that are in the unpack machinery, i.e.
checkout, read-tree, reset. A follow up patch will address
"git submodule deinit", which will also make use of the new function
submodule_unset_core_worktree(), which is why we expose it in this patch.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using hard reset or forced checkout with the option to recurse into
submodules, the submodules need to be reset, too.
It turns out that we need to omit the duplicate old argument to read-tree
in all forced cases to omit the 2 way merge and use the more assertive
behavior of reading the specific new tree into the index and updating
the working tree.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It turns out that the test replacing a submodule with a file with
the submodule containing an ignored file is incorrectly titled,
because the test put the file in place, but never ignored that file.
When having an untracked file Instead of an ignored file in the
submodule, git should refuse to remove the submodule, but that is
a bug in the implementation of recursing into submodules, such that
the test just passed, removing the untracked file.
Fix the test first; in a later patch we'll fix gits behavior,
that will make sure untracked files are not deleted.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Keep the local branch name as the upstream branch name to avoid confusion.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Further test clean-up.
* jt/submodule-tests-cleanup:
Tests: clean up submodule recursive helpers
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"git checkout --recursive" may overwrite and rewind the history of
the branch that happens to be checked out in submodule
repositories, which might not be desirable. Detach the HEAD but
still allow the recursive checkout to succeed in such a case.
* sb/submodule-recursive-checkout-detach-head:
Documentation/checkout: clarify submodule HEADs to be detached
recursive submodules: detach HEAD from new state
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This continues the work in commit d3b5a49 ("Tests: clean up and document
submodule helpers", 2017-11-08).
Factor out the commonalities from
test_submodule_switch_recursing_with_args() and
test_submodule_forced_switch_recursing_with_args() in
lib-submodule-update.sh, and document their usage. Some tests differ
slightly in their test assertions; I have used the superset of those
assertions in that case.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Factor out the commonalities from test_submodule_switch() and
test_submodule_forced_switch() in lib-submodule-update.sh, and document
their usage.
This also makes explicit (through the KNOWN_FAILURE_FORCED_SWITCH_TESTS
variable) the fact that, currently, all functionality tested using
test_submodule_forced_switch() do not correctly handle the situation in
which a submodule is replaced with an ordinary directory.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a submodule is on a branch and in its superproject you run a
recursive checkout, the branch of the submodule is updated to what the
superproject checks out. This is very unexpected in the current model of
Git as e.g. 'submodule update' always detaches the submodule HEAD.
Despite having plans to have submodule HEADS not detached in the future,
the current behavior is really bad as it doesn't match user expectations
and it is not checking for loss of commits (only to be recovered via the
reflog).
Detach the HEAD unconditionally in the submodule when updating it.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many commands learned to pay attention to submodule.recurse
configuration.
* sb/submodule-blanket-recursive:
builtin/fetch.c: respect 'submodule.recurse' option
builtin/push.c: respect 'submodule.recurse' option
builtin/grep.c: respect 'submodule.recurse' option
Introduce 'submodule.recurse' option for worktree manipulators
submodule loading: separate code path for .gitmodules and config overlay
reset/checkout/read-tree: unify config callback for submodule recursion
submodule test invocation: only pass additional arguments
submodule recursing: do not write a config variable twice
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Any command that understands '--recurse-submodules' can have its
default changed to true, by setting the new 'submodule.recurse'
option.
This patch includes read-tree/checkout/reset for working tree
manipulating commands. Later patches will cover other commands.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a later patch we want to introduce a config option to trigger the
submodule recursing by default. As this option should be available and
uniform across all commands that deal with submodules we'd want to test
for this option in the submodule update library.
So instead of calling the whole test set again for
"git -c submodule.recurse foo" instead of "git foo --recurse-submodules",
we'd only want to introduce one basic test that tests if the option is
recognized and respected to not overload the test suite.
Change the test functions by taking only the argument and assemble the
command inside the test function by embedding the arguments into the
command that is "git $arguments --recurse-submodules".
It would be nice to do this for all functions in lib-submodule-update,
but we cannot do that for the non-recursing tests, as there we do not
just pass in a git command but whole functions. (See t3426 for example)
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git checkout --recurse-submodules" did not quite work with a
submodule that itself has submodules.
* sb/checkout-recurse-submodules:
submodule: properly recurse for read-tree and checkout
submodule: avoid auto-discovery in new working tree manipulator code
submodule_move_head: reuse child_process structure for futher commands
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We forgot to prepare the submodule env, which is only a problem for
nested submodules. See 2e5d6503bd (ls-files: fix recurse-submodules
with nested submodules, 2017-04-13) for further explanation.
To come up with a proper test for this, we'd need to look at nested
submodules just as in that given commit. It turns out we're lucky
and these tests already exist, but are marked as failing. We need
to pass `--recurse-submodules` to read-tree additionally to make
these tests pass. Passing that flag alone would not make the tests
pass, such that this covers testing for the bug fix of the submodule
env as well.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Early on in submodule_move_head just after the check if the submodule is
initialized, we need to check if the submodule is populated correctly.
If the submodule is initialized but doesn't look like it is populated,
this is a red flag and can indicate multiple sorts of failures:
(1) The submodule may be recorded at an object name, that is missing.
(2) The submodule '.git' file link may be broken and it is not pointing
at a repository.
In both cases we want to complain to the user in the non-forced mode,
and in the forced mode ignoring the old state and just moving the
submodule into its new state with a fixed '.git' file link.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This was an oversight when working on the working tree modifying commands
recursing into submodules.
To test for uninitialized submodules, introduce another submodule
"uninitialized_sub". Adding it via `submodule add` will activate the
submodule in the preparation area (in create_lib_submodule_repo we
setup all the things in submodule_update_repo), but the later tests
will use a new testing repo that clones the preparation repo
in which the new submodule is not initialized.
By adding it to the branch "add_sub1", which is the starting point of
all other branches, we have wide coverage.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new known failure mode is introduced[1], which is actually not
a failure but a feature in read-tree. Unlike checkout for which
the recursive submodule tests were originally written, read-tree does
warn about ignored untracked files that would be overwritten.
For the sake of keeping the test library for submodules generic, just
mark the test as a failure.
[1] KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This exposes a flag to recurse into submodules
in builtin/checkout making use of the code implemented
in prior patches.
A new failure mode is introduced in the submodule
update library, as the directory/submodule conflict
is not solved in prior patches.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently lib-submodule-update.sh provides 2 functions
test_submodule_switch and test_submodule_forced_switch that are used by a
variety of tests to ensure that submodules behave as expected. The current
expected behavior is that submodules are not touched at all (see
42639d2317a for the exact setup).
In the future we want to teach all these commands to recurse
into submodules. To do that, we'll add two testing functions to
submodule-update-lib.sh: test_submodule_switch_recursing and
test_submodule_forced_switch_recursing.
These two functions behave in analogy to the already existing functions
just with a different expectation on submodule behavior. The submodule
in the working tree is expected to be updated to the recorded submodule
version. The behavior is analogous to e.g. the behavior of files in a
nested directory in the working tree, where a change to the working tree
handles any arising directory/file conflicts just fine.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Cleaning up code by generalising it.
Currently the mailing list discusses yet again how
to migrate away from sha1.
Signed-off-by: Stefan Beller <sbeller@google.com>
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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Adding the repository itself as a submodule does not make sense in the
real world. In our test suite we used to do that out of convenience in
some tests as the current repository has easiest access for setting up
'just a submodule'.
However this doesn't quite test the real world, so let's do not follow
this pattern any further and actually create an independent repository
that we can use as a submodule.
When using './.' as the remote the superproject and submodule share the
same objects, such that testing if a given sha1 is a valid commit works
in either repository. As running commands in an unpopulated submodule
fall back to the superproject, this happens in `reset_work_tree_to`
to determine if we need to populate the submodule. Fix this bug by
checking in the actual remote now.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Redraw the ASCII art describing the setup using more space, such that
it is easier to understand. The leaf commits are now ordered the same
way the actual code is ordered.
Add empty lines to the setup code separating each of the leaf commits,
each starting with a "checkout -b".
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We write
(cd <dir> && git <cmd>)
to avoid
cd <dir> && git <cmd> && cd ..
that allows a breakage in one part of the test script to leave the
entire test process in an unexpected place. Modern version of Git
allows us to do this more concisely with "git -C <dir> <cmd>".
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test that the stash apply command updates the work tree as expected for
changes which don't result in conflicts. To make that work add a helper
function that uses read-tree to apply the changes of the target commit
to the work tree, then stashes these changes and at last applies that
stash.
Implement the KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES switch
and reuse two other already present switches to expect the known
failure that stash does ignore submodule changes.
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test that the cherry-pick command updates the work tree as expected (for
submodule changes which don't result in conflicts).
Set KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES
and KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR to
document that cherry-pick has the same --no-ff known failures merge has.
Implement the KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT switch to expect
the known failure that while cherry picking just a SHA-1 update for an
ignored submodule the commit incorrectly fails with "The previous
cherry-pick is now empty, possibly due to conflict resolution.".
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ævar Arnfjörð Bjarmason
Elijah Newren
Johannes Schindelin
brian m. carlson
Junio C Hamano
Denton Liu
Jeff King
Philippe Blain
Stefan Beller
Jonathan Nieder
Eric Sunshine
Jonathan Tan
Jens Lehmann