brian m. carlson dda6346877 submodule: make zero-oid comparison hash function agnostic ...

With SHA-256, the length of the all-zeros object ID is longer.  Add a
function to git-submodule.sh to check if a full hex object ID is the
all-zeros value, and use it to check the output we're parsing from git
diff-files or diff-index.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2018-10-15 12:53:16 +09:00

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