contrib/pm-utils/40autorandr

   1 #!/bin/sh
   2 #
   3 # 40autorandr: Change autorandr profile on thaw/resume
   4 exec > /var/log/autorandr.log 2>&1
   5
   6 AUTORANDR="autorandr -c --default default"
   7
   8 # Work around #44: Long user names in w
   9 export PROCPS_USERLEN=40
  10
  11 detect_display()
  12 {
  13         # Wait for the system to recognize the changed state, see bug #30
  14         # Note the ampersand below, this runs asynchroneously.
  15         sleep 5
  16
  17         for X in /tmp/.X11-unix/X*; do
  18                 D="${X##/tmp/.X11-unix/X}"
  19                 # Prefer w to who, see bug #39
  20                 if [ -x "`which w`" ]; then
  21                         user="`w -h | awk -vD="$D" '$2 ~ ":"D"(.[0-9])?$" || $3 ~ ":"D"(.[0-9])?$" {print $1}' | head -n1`"
  22
  23                         if [ -z "$user" ];      then
  24                                 # This fallback checks if there is exactly one user (except
  25                                 # root) logged in an interactive session and assumes the
  26                                 # session belongs to him. See bug #39.
  27                                 user="`w -hu | awk '/^\w+/ && $1 !~ "root" { users[$1]=$1; } ENDFILE { if(asort(users) == 1) for(u in users) print users[u]; }'`"
  28                         fi
  29                 else
  30                         user="`who --all | awk -vD="$D" '$3 ~ ":"D"(.[0-9])?$" {print $1}' | head -1`"
  31
  32                         if [ -z "$user" ];      then
  33                                 # Same fallback as above; see bug #39.
  34                                 user="`who -u | awk '/^\w+/ && $1 !~ "root" { users[$1]=$1; } ENDFILE { if(asort(users) == 1) for(u in users) print users[u]; }'`"
  35                         fi
  36                 fi
  37
  38                 if [ x"$user" != x"" ]; then
  39                         logger "autorandr: Changing display configuration for display :$D, user '$user'"
  40                         export DISPLAY=":$D"
  41                         /bin/su -c "${AUTORANDR}" "$user"
  42                 fi
  43         done
  44 }
  45
  46 case "$1" in
  47         thaw|resume)
  48                 detect_display &
  49                 ;;
  50 esac