Junio C Hamano <gits...@pobox.com> writes:
> Linus Torvalds <torva...@linux-foundation.org> writes:
>> I hit this oddity when not remembering the right syntax for --color-words..
>> Try this (outside of a git repository):
>> touch a b
>> git diff -u --color=words a b
>> and watch it scroll (infinitely) printing out
>> error: option `color' expects "always", "auto", or "never"
>> I haven't tried to root-cause it, since I'm supposed to be merging stuff..
> Hmph, interesting. "outside a repository" is the key, it seems.
> And I can see it all the way down to 1.7.3 (at least).
diff_opt_parse() returns the number of options parsed, or often
returns error() which is defined to return -1. Yes, return value
of 0 is "I don't understand that option", which should cause the
caller to say that, but negative return should not be forgotten.
diff-no-index.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/diff-no-index.c b/diff-no-index.c
index c554691..265709b 100644
@@ -198,7 +198,7 @@ void diff_no_index(struct rev_info *revs,
j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
- if (!j)
+ if (j <= 0)
die("invalid diff option/value: %s", argv[i]);
i += j;
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