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