Hi. I've recently stumbled upon problem with FAT filesystem updated by Windowoze (SD card in my case) and fontconfig cache. Problem boils down to the Windows not updating mtime of directory when file is added or removed from directory, so fontconfig does not rebuild cache as it checks only mtime and size of directory. I'd like to fix this problem and submit patch upstream, but first I'd like to ask for a correct way to fix it. Ideas came to my mind so far are: 1) scan directory and subdirectories and use max(mtimes, ctimes) of all files as mtime of directory. 2) add "hash" field to directory cache which is hash of all subdirectories' hashes and directory contents. Also this check should be conditional to avoid any overhead on more conventional filesystems. is it a good idea to add boolean attribute for <dir> entry in config? -- http://fossarchy.blogspot.com/
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