migratekde3: Refresh script (a bit) to be accorded with the changes made for the starttde and the r14-xdg-update script

Signed-off-by: Matías Fonzo <selk@dragora.org>

migratekde3

@@ -38,24 +38,25 @@
 
 Wait_For_Response () {
 unset response
-# -r Backslash does not act as an escape character.
-# -p Display "PROMPT" without a trailing newline, before attempting to read any input.
 while true; do
-  read -r -p "$1 (y/n): " yn
-  case $yn in
-    [Yy]* ) response=y; break;;
-    [Nn]* ) response=n; break;;
-    * ) echo "Please answer yes (y/Y) or no (n/N).";;
+  printf "%s" "$1 (y/n): " > /dev/tty
+  IFS= read -r ANSWER < /dev/tty || exit 1;
+  case $ANSWER in
+    y* | Y* ) response=y; break;;
+    n* | N* ) response=n; break;;
+    * ) echo "Please answer yes (y/Y) or no (n/N)." > /dev/tty;;
   esac
 done
+unset ANSWER
 }
 
 Proceed_From_Response () {
-if [ "$response" = "n" -o "$response" = "N" ]; then
+if [ "$response" = "n" ]; then
   echo "Exiting."
   echo
   exit 0
 else
+  unset response
   echo "Continuing."
   echo
 fi
@@ -107,28 +108,20 @@ fi
 # To determine that location use the following method rather than presuming
 # the existence of $TDEDIR. That environment variable might not be
 # defined or defined to point to KDE4 binaries.
-BIN_DIR="`dirname \`readlink -f $0\``"
-if [ -x $BIN_DIR/tde-config ]; then
-  TDE_VERSION="`$BIN_DIR/tde-config --version | grep TDE | awk '{print $2}'`"
+BIN_DIR="$(dirname -- "$0")"
+if [ -x ${BIN_DIR}/tde-config ]; then
+  TDE_VERSION="$( ${BIN_DIR}/tde-config --version | sed -n 's|^TDE: ||p' )"
+  TDEDIR="${BIN_DIR%/bin}"
   echo "Trinity Desktop Environment version is $TDE_VERSION" 1>&2
-  export TDEDIR=${BIN_DIR%/bin}
   echo "Trinity Desktop Environment base directory is $TDEDIR" 1>&2
 else
-  # This might be a Trinity version before kde-config was renamed to tde-config.
-  # Don't use kde-config because of a bug that always creates a $TDEHOME directory.
-  if [ -x $BIN_DIR/konqueror ]; then
-    TDE_VERSION="`$BIN_DIR/konqueror --version | grep KDE | awk '{print $2}'`"
-    echo "Trinity Desktop Environment version is $TDE_VERSION" 1>&2
-    export TDEDIR=${BIN_DIR%/bin}
-    echo "Trinity Desktop Environment base directory is $TDEDIR" 1>&2
-  else
-    echo "Unable to determine the TDE bin directory, where this script should be installed."
-    echo "This script should be installed in the same directory."
-    echo "Exiting."
-    exit 1
-  fi
+  echo "Unable to determine the TDE bin directory, where this script should be installed."
+  echo "This script should be installed in the same directory."
+  echo "Exiting."
+  exit 1
 fi
-unset BIN_DIR
+unset BIN_DIR TDE_VERSION
+export TDEDIR
 
 # Trap when the user runs this script while in a Trinity session.
 # Most files can be updated "live" but some can't, such as kdeglobals.
@@ -469,8 +462,6 @@ unset LINK_NAME
 unset AVAILABLE
 unset PROFILE_SIZE
 unset REMAINING_SPACE
-unset BIN_DIR
-unset TDE_VERSION
 unset TDEHOME_LINK
 unset CACHE_DIR
 unset SOCKET_DIR