Re: [RFC PATCH] rerere: fix overeager gc

> Am 6/29/2010 19:59, schrieb Junio C Hamano:
>> One possibility is to look at the timestamp of the directory itself
>> instead.  Then we can safely gc otherwise-unused "thisimage" file when
>> rerere is not in use.  I wonder if directory m_time timestamps are usable
>> for this purpose on non-POSIX platforms?
>
> I don't think that will work at all: We only use fopen() to write
> thisimage, which only truncates the file, but doesn't modify mtime of the
> directory. Nor do we create any other (temporary) directory entries that
> would modify the mtime.