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authorEelco Dolstra <eelco.dolstra@logicblox.com>2012-09-19T20·17-0400
committerEelco Dolstra <eelco.dolstra@logicblox.com>2012-09-19T20·17-0400
commitb9c2b4d5b4cd5d52a950e6dd90eb2e2e79891fa0 (patch)
treee0f8f1b95570604fa64cd89fb53a50f44f72dcb0 /scripts
parentb9124a5c336fd231adaa548cf5be311731847848 (diff)
Remove setting of the immutable bit
Using the immutable bit is problematic, especially in conjunction with
store optimisation.  For instance, if the garbage collector deletes a
file, it has to clear its immutable bit, but if the file has
additional hard links, we can't set the bit afterwards because we
don't know the remaining paths.

So now that we support having the entire Nix store as a read-only
mount, we may as well drop the immutable bit.  Unfortunately, we have
to keep the code to clear the immutable bit for backwards
compatibility.
Diffstat (limited to 'scripts')
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