entrance.gen-conf

   1 #!/bin/sh
   2 # simple script that generates entrance config using build_config.sh.in
   3 # and .desktop files from /usr/share/xsessions
   4
   5 CONFIGIN="/etc/X11/entrance/build_config.sh.in"
   6 CONFIGOUT="/tmp/build_config.sh"
   7 SESSIONS="/tmp/sessions"
   8 ICONDIR="/usr/share/entrance/images/sessions"
   9 THEMEDIR="/usr/share/entrance/themes"
  10
  11 die() {
  12         echo "$2" >&2
  13         exit $1
  14 }
  15 [ -f $CONFIGIN -a -r $CONFIGIN ] || \
  16         die 1 "No config file $CONFIGIN, or not readable"
  17
  18 [ -d /usr/share/xsessions ] || die 2 "No xsessions dir"
  19
  20 # two common desktops
  21 cat << EOF > /tmp/default.desktop
  22 Name=Default
  23 Exec=default
  24 EOF
  25 cat << EOF > /tmp/failsafe.desktop
  26 Name=Failsafe
  27 Exec=failsafe
  28 EOF
  29
  30
  31 SESSION_SRTING="$(grep -E "^#session:" $CONFIGIN | sed 's/^#session://')"
  32
  33 : > $SESSIONS
  34 NUM=0
  35 for DESKTOP in /tmp/default.desktop /usr/share/xsessions/*.desktop \
  36         /tmp/failsafe.desktop; do
  37
  38         EXEC=$(grep -E "^Exec=" $DESKTOP | sed 's/^Exec=//' )
  39         [ -n "$EXEC" ] || ( echo "Skipping $DESKTOP !!!" >&2; continue )
  40         [ -n "$(which $EXEC 2>/dev/null)" ] && EXEC=$(which $EXEC)
  41         EXEC=$(echo $EXEC | sed 's_/_\\/_g')
  42
  43         NAME="$(grep -E "^Name=" $DESKTOP | sed 's/^Name=//' | \
  44                 sed 's_/_\\/_g')"
  45         [ -n "$NAME" ] || NAME="$EXEC"
  46
  47         ICON="$(basename $DESKTOP .desktop).png"
  48         [ -r $ICONDIR/$ICON ] || ICON=default.png
  49
  50         echo "$SESSION_SRTING" | \
  51                 sed -e "s/@NUM@/$NUM/g" -e "s/@SESSION@/$EXEC/g" \
  52                     -e "s/@TITLE@/$NAME/g" -e "s/@ICON@/$ICON/g" >> $SESSIONS
  53         NUM=$(($NUM+1))
  54 done
  55
  56 THEME=$(grep entrance/theme $CONFIGIN | sed 's/.*\s//; s/"//g')
  57 OLDT=
  58 NEWT=
  59 if ! [ -r $THEMEDIR/$THEME ]; then
  60         OLDT=$(grep entrance/theme $CONFIGIN | sed 's/.*\s//')
  61         NEWT=$(ls $THEMEDIR | head -n 1)
  62 fi
  63
  64 sed -e "s/@auth_mode@/1/" -e "s/@COUNT@/$NUM/" -e "s/$OLDT/$NEWT/" $CONFIGIN > $CONFIGOUT
  65 chmod 755 $CONFIGOUT
  66 exec $CONFIGOUT