Twas brillig at 21:18:18 08.12.2009 UTC-05 when behdad@xxxxxxxxxx did gyre and gimble: >> 1) scan directory and subdirectories and use max(mtimes, ctimes) of >> all files as mtime of directory. BE> Would be a PITA. >> 2) add "hash" field to directory cache which is hash of all >> subdirectories' hashes and directory contents. BE> Isn't option #1 superior to this? And doesn't need a change to the BE> cache format. I've came up with the following scenario: dir/ foo.ttf (mtime=5,ctime=5) otherdir/ bar.ttf (mtime=4,ctime=4) mv otherdir/bar.ttf dir => dir/ foo.ttf (mtime=5,ctime=5) bar.ttf (mtime=4,ctime=4) First variant will fail to detect new font in dir/ in this case, as Windows does not change any timestamp on moved file. Also, it should be possible to reuse mtime field in cache file for a hash (32-bit one, as cryptographical sthrength is not necessary here). >> is it a good idea to add boolean attribute for <dir> entry in config? BE> No. Why? Something like <dir broken_mtime="true">/foo/bar</dir> Or it could be detected runtime, with something platform-dependent, like statfs(2). BE> Please file a bug so we can track this. Sure. #25535 -- http://fossarchy.blogspot.com/
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