git/libgit2: set CheckoutForce on branch strategy #589
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In the recent update from libgit2 1.1.x to 1.3.x, something seems to
have changed upstream. Resulting in the clone of a branch ending up
with a semi-bare file system state (in other words: without any files
present in the directory).
This commit patches the clone behavior to set the
CheckoutForce
strategy as
CheckoutOption
, which mitigates the issue.In addition, test cases have been added to ensure we do not run into
this again by asserting the state of the branch after cloning.
Fixes: #588