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 VERBOSE=no
  18
  19 cd /tmp || { log_failure_msg "bootclean: Could not cd to /tmp." ; return 1 ; }
  20
  21 [ "$(find . -maxdepth 0 -perm -002)" = "." ] || return 0
  22
  23 if [ ! "$TMPTIME" ]
  24 then
  25         log_warning_msg "Using default TMPTIME 0."
  26         TMPTIME=0
  27 fi
  28
  29 [ "$VERBOSE" = no ] || log_action_begin_msg "Cleaning /tmp"
  30
  31 rm -f .X*-lock
  32
  33 #
  34 # Don't clean remaining files if TMPTIME is negative or 'infinite'
  35 #
  36 case "$TMPTIME" in
  37   -*|infinite|infinity)
  38         [ "$VERBOSE" = no ] || log_action_end_msg 0 "skipped"
  39         return 0
  40         ;;
  41 esac
  42
  43 if [ "$TMPTIME" = 0 ]
  44 then
  45         TEXPR=""
  46         DEXPR=""
  47 else
  48         TEXPR="-mtime +$TMPTIME -ctime +$TMPTIME -atime +$TMPTIME"
  49         DEXPR="-mtime +$TMPTIME -ctime +$TMPTIME"
  50 fi
  51
  52 EXCEPT='! -name .
  53         ! ( -path ./lost+found -uid 0 )
  54         ! ( -path ./quota.user -uid 0 )
  55         ! ( -path ./aquota.user -uid 0 )
  56         ! ( -path ./quota.group -uid 0 )
  57         ! ( -path ./aquota.group -uid 0 )
  58         ! ( -path ./.journal -uid 0 )
  59         ! ( -path ./.clean -uid 0 )
  60         ! ( -path ./lost+found -uid 0 )
  61         ! ( -path './...security*' -uid 0 )'
  62
  63 report_err()
  64 {
  65         if [ "$VERBOSE" = no ]
  66         then
  67                 log_failure_msg "bootclean: Failure cleaning /tmp."
  68         else
  69                 log_action_end_msg 1 "bootclean: Failure cleaning /tmp"
  70         fi
  71 }
  72
  73 #
  74 # First remove all old files...
  75 # (Use xargs here so that only one additional process gets created)
  76 #
  77 find . -depth -xdev $TEXPR $EXCEPT ! -type d \
  78         -print0 | xargs -0r rm -f -- \
  79         || { report_err ; return 1 ; }
  80
  81 #
  82 # ...and then all empty directories
  83 # (Don't use xargs here because dirs must be removed one by one from
  84 # the bottom up)
  85 #
  86 find . -depth -xdev $DEXPR $EXCEPT -type d -empty \
  87         -exec rmdir \{\} \; \
  88         || { report_err ; return 1 ; }
  89
  90 [ "$VERBOSE" = no ] || log_action_end_msg 0
  91
  92 exit 0
  93
  94