hcoop-clean-tmp

   1 #!/bin/sh
   2
   3 # Thu Mar 27 13:59:00 EDT 2008 docelic:
   4 #
   5 # Clean /tmp for files older than TMPTIME days. Basically the copy of
   6 # /etc/init/bootclean's clean_tmp().
   7 #
   8 # How much files are kept is controlled by existing variable TMPTIME in
   9 # /etc/default/rcS.
  10 #
  11
  12 umask 022
  13
  14 . /lib/init/vars.sh
  15 . /lib/lsb/init-functions
  16
  17 cd /tmp || { log_failure_msg "bootclean: Could not cd to /tmp." ; return 1 ; }
  18
  19 [ "$(find . -maxdepth 0 -perm -002)" = "." ] || return 0
  20
  21 if [ ! "$TMPTIME" ]
  22 then
  23         log_warning_msg "Using default TMPTIME 0."
  24         TMPTIME=0
  25 fi
  26
  27 [ "$VERBOSE" = no ] || log_action_begin_msg "Cleaning /tmp"
  28
  29 rm -f .X*-lock
  30
  31 #
  32 # Don't clean remaining files if TMPTIME is negative or 'infinite'
  33 #
  34 case "$TMPTIME" in
  35   -*|infinite|infinity)
  36         [ "$VERBOSE" = no ] || log_action_end_msg 0 "skipped"
  37         return 0
  38         ;;
  39 esac
  40
  41 if [ "$TMPTIME" = 0 ]
  42 then
  43         TEXPR=""
  44         DEXPR=""
  45 else
  46         TEXPR="-mtime +$TMPTIME -ctime +$TMPTIME -atime +$TMPTIME"
  47         DEXPR="-mtime +$TMPTIME -ctime +$TMPTIME"
  48 fi
  49
  50 EXCEPT='! -name .
  51         ! ( -path ./lost+found -uid 0 )
  52         ! ( -path ./quota.user -uid 0 )
  53         ! ( -path ./aquota.user -uid 0 )
  54         ! ( -path ./quota.group -uid 0 )
  55         ! ( -path ./aquota.group -uid 0 )
  56         ! ( -path ./.journal -uid 0 )
  57         ! ( -path ./.clean -uid 0 )
  58         ! ( -path ./lost+found -uid 0 )
  59         ! ( -path './...security*' -uid 0 )'
  60
  61 report_err()
  62 {
  63         if [ "$VERBOSE" = no ]
  64         then
  65                 log_failure_msg "bootclean: Failure cleaning /tmp."
  66         else
  67                 log_action_end_msg 1 "bootclean: Failure cleaning /tmp"
  68         fi
  69 }
  70
  71 #
  72 # First remove all old files...
  73 # (Use xargs here so that only one additional process gets created)
  74 #
  75 find . -depth -xdev $TEXPR $EXCEPT ! -type d \
  76         -print0 | xargs -0r rm -f -- \
  77         || { report_err ; return 1 ; }
  78
  79 #
  80 # ...and then all empty directories
  81 # (Don't use xargs here because dirs must be removed one by one from
  82 # the bottom up)
  83 #
  84 find . -depth -xdev $DEXPR $EXCEPT -type d -empty \
  85         -exec rmdir \{\} \; \
  86         || { report_err ; return 1 ; }
  87
  88 [ "$VERBOSE" = no ] || log_action_end_msg 0
  89
  90 exit 0
  91
  92