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rerere: don't segfault on failure to open rr-cache

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The rr-cache directory should always exist if we are doing
garbage collection (earlier code paths check this
explicitly), but we may not necessarily succeed in opening
it (for example, due to permissions problems). In that case,
we should print an error message rather than simply
segfaulting.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2009-12-04 05:35:57 -05:00 committed by Junio C Hamano
parent adf9628ea4
commit e5f591720c
1 changed files with 2 additions and 0 deletions
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2
builtin-rerere.c
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@ -48,6 +48,8 @@ static void garbage_collect(struct string_list *rr)
git_config(git_rerere_gc_config, NULL);
dir = opendir(git_path("rr-cache"));
if (!dir)
die_errno("unable to open rr-cache directory");
while ((e = readdir(dir))) {
if (is_dot_or_dotdot(e->d_name))
continue;