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c9a3e724cf
The codepath to notice the content-level changes, taking certain
no-op changes like "ignore whitespace" into account, forgot that
a mode-only change is still a change. This resulted in
$ git diff --patch --exit-code -w
to exit with status 0 even when there is such a mode-only change,
breaking both "--patch" and "--quiet" output formats.
Teach the builtin_diff() codepath that creation and deletion as well
as mode changes are all interesting changes.
Note that the test specifically checks removal of an empty file,
because if there is anything in the preimage (i.e. the removed file
is not empty), the removal would still trigger textual patch output
and the codepath for that does update .found_changes bit to report
that it found an interesting change. We need to make sure that the
.found_changes bit is set even without triggering textual patch
output.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Git - fast, scalable, distributed revision control system
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
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