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[tor-bugs] #32354 [Core Tor/Tor]: Support "Cache Directory Tagging Standard" (already implemented e.g. in GNU tar)
#32354: Support "Cache Directory Tagging Standard" (already implemented e.g. in GNU
tar)
-------------------------+------------------------------
Reporter: rm | Owner: (none)
Type: enhancement | Status: new
Priority: Medium | Component: Core Tor/Tor
Version: | Severity: Normal
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Tor seems to store sizable cached data in /var/lib/tor/diff-cache/. There
is now a standard for apps to indicate that transient caches like this to
be skipped from backups: https://bford.info/cachedir/spec.html
The application needs to create (and recreate) a file called
"CACHEDIR.TAG" in the cache directory, with content of "Signature:
8a477f597d28d172789f06886806bc55".
Skipping cache directories marked as such via this standard is already
supported for example in GNU tar:
--exclude-caches
Exclude contents of directories containing file CACHEDIR.TAG,
except for the tag file itself.
--exclude-caches-all
Exclude directories containing file CACHEDIR.TAG and the file itself.
--exclude-caches-under
Exclude everything under directories containing CACHEDIR.TAG
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32354>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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