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As with other moves to "test-tool" in f322e9f51b5 (Merge branch
'ab/submodule-helper-prep', 2022-09-13) the "config" sub-command was
only used by our own tests.
It was last used by "git submodule" itself in code that went away with
a6226fd772b (submodule--helper: convert the bulk of cmd_add() to C,
2021-08-10).
Let's move it over, and while doing so make it easier to reason about
by splitting up the various uses for it into separate sub-commands, so
that we don't need to count arguments to see what it does.
This also has the advantage that we stop wasting future translator
time on this command, currently the usage information for this
internal-only tool has been translated into several languages. The use
of the "_" function has also been removed from the "please make
sure..." message.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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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Change those tests that assumed that a .git/info directory would be
created for them when writing .git/info/sparse-checkout to explicitly
create the directory by setting "TEST_CREATE_REPO_NO_TEMPLATE=1"
before sourcing test-lib.sh, and using the "--template=" argument to
"git clone".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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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When the .gitmodules file is not available in the working tree, try
using the content from the index and from the current branch. This
covers the case when the file is part of the repository but for some
reason it is not checked out, for example because of a sparse checkout.
This makes it possible to use at least the 'git submodule' commands
which *read* the gitmodules configuration file without fully populating
the working tree.
Writing to .gitmodules will still require that the file is checked out,
so check for that before calling config_set_in_gitmodules_file_gently.
Add a similar check also in git-submodule.sh::cmd_add() to anticipate
the eventual failure of the "git submodule add" command when .gitmodules
is not safely writeable; this prevents the command from leaving the
repository in a spurious state (e.g. the submodule repository was cloned
but .gitmodules was not updated because
config_set_in_gitmodules_file_gently failed).
Moreover, since config_from_gitmodules() now accesses the global object
store, it is necessary to protect all code paths which call the function
against concurrent access to the global object store. Currently this
only happens in builtin/grep.c::grep_submodules(), so call
grep_read_lock() before invoking code involving
config_from_gitmodules().
Finally, add t7418-submodule-sparse-gitmodules.sh to verify that reading
from .gitmodules succeeds and that writing to it fails when the file is
not checked out.
NOTE: there is one rare case where this new feature does not work
properly yet: nested submodules without .gitmodules in their working
tree. This has been documented with a warning and a test_expect_failure
item in t7814, and in this case the current behavior is not altered: no
config is read.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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