"Mike Coleman" <tutufan@gmail.com> writes:

quoted text
> At least in version 1.5.4.2, git-diff silently fails when not run
> inside a repository.  It should give an error diagnostic, especially
> since "no output" would otherwise be a meaningful response.

Unfortunately this does not have enough information to go by, as unlike
many other programs, "git diff" contains a hack to be usable as a better
(for certain definition of "better" I may not necessarily agree with) GNU
diff replacement when run outside a repository.

i.e.

	mkdir -p /var/tmp/junk
        cd /var/tmp/junk
        rm -fr .git ;# make sure it is not a repository
	echo >a hello
        echo >b world
	git diff --color a b

is supposed to work.
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