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