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f77e40a1
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2018-04-30T13:47:15
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submodule: ignore submodules which include path traversal in their name
If the we decide that the "name" of the submodule (i.e. its path inside
`.git/modules/`) is trying to escape that directory or otherwise trick us, we
ignore the configuration for that submodule.
This leaves us with a half-configured submodule when looking it up by path, but
it's the same result as if the configuration really were missing.
The name check is potentially more strict than it needs to be, but it lets us
re-use the check we're doing for the checkout. The function that encapsulates
this logic is ready to be exported but we don't want to do that in a security
release so it remains internal for now.
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4d99c4cf
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2016-11-23T18:32:48
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Allow for caching of submodules.
Added `git_repository_submodule_cache_all` to initialze a cache of
submodules on the repository so that operations looking up N
submodules are O(N) and not O(N^2). Added a
`git_repository_submodule_cache_clear` function to remove the cache.
Also optimized the function that loads all submodules as it was itself
O(N^2) w.r.t the number of submodules, having to loop through the
`.gitmodules` file once per submodule. I changed it to process the
`.gitmodules` file once, into a map.
Signed-off-by: David Turner <dturner@twosigma.com>
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c4e3a3db
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2015-05-09T11:22:57
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submodule: handle writing out all enum values for settings
We currently do not handle those enum values which require us to set
"true" or unset variables in all cases. Use a common function which does
understand this by looking at our mapping directly.
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dfda2f68
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2015-04-27T19:27:29
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submodule: remove the per-repo cache
Having this cache and giving them out goes against our multithreading
guarantees and it makes it impossible to use submodules in a
multi-threaded environment, as any thread can ask for a refresh which
may reallocate some string in the submodule struct which we've accessed
in a different one via a getter.
This makes the submodules behave more like remotes, where each object is
created upon request and not shared except explicitly by the user. This
means that some tests won't pass yet, as they assume they can affect the
submodule objects in the cache and that will affect later operations.
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624c949f
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2015-06-20T16:17:28
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index: make relative comparison use the checksum as well
This is used by the submodule in order to figure out if the index has
changed since it last read it. Using a timestamp is racy, so let's make
it use the checksum, just like we now do for reloading the index itself.
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db0e7878
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2014-03-28T16:50:49
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Make submodule refresh a bit smarter
This makes submodule cache refresh actually look at the timestamps
from the data sources for submodules and reload as needed if they
have changed since the last refresh.
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69b6ffc4
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2014-03-28T14:02:21
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Make a real submodule cache object
This takes the old submodule cache which was just a git_strmap
and makes a real git_submodule_cache object that can contain other
things like a lock and timestamp-ish data to control refreshing of
submodule info.
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7dcd42a5
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2014-03-31T13:31:01
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Cleanups
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945c92a5
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2014-03-31T12:26:46
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Add faster git_submodule__is_submodule check
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591e8295
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2014-03-25T16:52:01
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Fix submodule leaks and invalid references
This cleans up some places I missed that could hold onto submodule
references and cleans up the way in which the repository cache is
both reloaded and released so that existing submodule references
aren't destroyed inappropriately.
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a15c7802
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2014-03-25T09:14:48
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Make submodules externally refcounted
`git_submodule` objects were already refcounted internally in case
the submodule name was different from the path at which it was
stored. This makes that refcounting externally used as well, so
`git_submodule_lookup` and `git_submodule_add_setup` return an
object that requires a `git_submodule_free` when done.
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c0644c3f
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2014-01-28T11:45:06
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Make submodule fetchRecurse match other options
This removes the fetchRecurse compiler warnings and makes the
behavior match the other submodule options (i.e. the in-memory
setting can be reset to the on-disk value).
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10311979
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2014-01-02T03:14:03
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Read the submodule branch option from Git 1.8.2.
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fccadba2
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2013-12-29T10:26:21
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Accept 'submodule.*.fetchRecurseSubmodules' config 'on-demand' value
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f9775a37
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2013-06-29T23:22:31
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Add ignore_submodules to diff options
This adds correct support for an equivalent to --ignore-submodules
in diff, where an actual ignore value can be passed to diff to
override the per submodule settings in the configuration.
This required tweaking the constants for ignore values so that
zero would not be used and could represent an unset option to the
diff. This was an opportunity to move the submodule values into
include/git2/types.h and to rename the poorly named DEFAULT values
for ignore and update constants to RESET instead.
Now the GIT_DIFF_IGNORE_SUBMODULES flag is exactly the same as
setting the ignore_submodules option to GIT_SUBMODULE_IGNORE_ALL
(which is actually a minor change from the old behavior in that
submodules will now be treated as UNMODIFIED deltas instead of
being left out totally - if you set GIT_DIFF_INCLUDE_UNMODIFIED).
This includes tests for the various new settings.
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e807860f
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2013-06-27T16:52:38
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Add timestamp check to submodule status
This is probably not the final form of this change, but this is
a preliminary version of checking a timestamp to see if the cached
working directory HEAD OID matches the current. Right now, this
uses the timestamp on the index and is, like most of our timestamp
checking, subject to having only second accuracy.
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1aad6137
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2013-06-29T13:16:33
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Submodule status improvements
This fixes the way that submodule status is checked to bypass just
about all of the caching in the submodule object. Based on the
ignore value, it will try to do the minimum work necessary to find
the current status of the submodule - but it will actually go to
disk to get all of the current values.
This also removes the custom refcounting stuff in favor of the
common git_refcount style. Right now, it is still for internal
purposes only, but it should make it easier to add true submodule
refcounting in the future with a public git_submodule_free call
that will allow bindings not to worry about the submodule object
getting freed from underneath them.
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359fc2d2
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2013-01-08T17:07:25
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update copyrights
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5f4a61ae
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2012-08-09T19:43:25
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Working implementation of git_submodule_status
This is a big redesign of the git_submodule_status API and the
implementation of the redesigned API. It also fixes a number of
bugs that I found in other parts of the submodule API while
writing the tests for the status part.
This also fixes a couple of bugs in the iterators that had not
been noticed before - one with iterating when there is a gitlink
(i.e. separate-work-dir) and one where I was treating anything
even vaguely submodule-like as a submodule, more aggressively
than core git does.
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aa13bf05
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2012-08-02T13:00:58
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Major submodule rewrite
This replaces the old submodule API with a new extended API that
supports most of the things that can be done with `git submodule`.
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