On 01/08/2018 04:28 AM, Simon McVittie wrote: > On Mon, 08 Jan 2018 at 02:21:26 -0800, John Johansen wrote: >> On 01/07/2018 07:26 AM, intrigeri wrote: >>>>> Dear upstream/parser developers, would it feel crazy to modify >>>>> clear_cache_cb to ignore the passed file if its basename is >>>>> CACHEDIR.TAG? >> >> Well that isn't reason [not?] to add another file type that will be skipped. >> It >> should be a fairly easy modification. In fact the cache isn't necessarily >> the only dir we might want to skip so >> >> SKIPDIR.TAG >> or >> IGNOREDIR.TAG >> >> might even be better to have > > For context, CACHEDIR.TAG is not a new thing that intrigeri invented > recently: it's a pre-existing standard for marking cache directories > to be skipped by backup software and similar consumers. For example, > VLC, ccache and fontconfig all create it in their cache directories, > and GNU tar, Borg Backup and Obnam have an --exclude-caches option > that avoids backing up the tagged directories. More information: > http://www.brynosaurus.com/cachedir/ > > At the moment it's mostly seen in desktop applications (creating it) > and in backup/sync software (detecting it), but there's no particular > reason for system components not to participate in that mechanism too. > > If AppArmor created this tag itself, that might be even better, but at > the moment intrigeri is only asking for it to not be deleted, so that a > sysadmin or OS vendor can create it and have it persist. > ah, thanks. I'll see if I can't get a patch together today
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