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[Bug 1415974] Re: Cleaning a directory in /tmp during boot updates the directory's modification time

 

Indeed the script shows that the directory's mtime is checked after the
files have been removed:

DEXPR="-mtime +${TMPTIME} -ctime +${TMPTIME}"

find . -depth -xdev $DEXPR $EXCEPT -type d -empty -delete

** Package changed: sysvinit (Ubuntu) => mountall (Ubuntu)

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https://bugs.launchpad.net/bugs/1415974

Title:
  Cleaning a directory in /tmp during boot updates the directory's
  modification time

Status in mountall package in Ubuntu:
  New

Bug description:
  When TMPTIME is set to anything other than 0 (clean all of /tmp) in
  /etc/default/rcS, /tmp is cleaned of "old" files, but in doing so it
  updates the modification times of all the directories, so that they
  remain until they themselves become "old".

  I hope this makes sense, an example:

  During boot files in /tmp older than three days will be cleaned.
  Files in /tmp/olddir will be cleaned.
  /tmp/olddir will have its modification time updated, it is no longer an old directory.
  /tmp/olddir is left behind because it is not recognised as an old directory.

  It's minor and may be impossible to fix, but is there any magic that
  can be done to remove the old directories at boot rather than waiting
  for the directory to "expire" again? Is it possible to avoid the
  modification time being updated?

  Simply removing the whole directory based on its creation or
  modification times, without first checking its contents for newer
  files, would probably not be preferable.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: initscripts 2.88dsf-13.10ubuntu11.1
  ProcVersionSignature: Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12
  Uname: Linux 3.11.0-26-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  Date: Thu Jan 29 15:13:27 2015
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: sysvinit
  UpgradeStatus: Upgraded to precise on 2014-12-07 (53 days ago)

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References