#!/bin/sh
#---------------------------------------------
#   xdg-desktop-menu
#
#   Utility script to install menu items on a Linux desktop.
#   Refer to the usage() function below for usage.
#
#   Copyright 2009-2010, Fathi Boudra <fabo@freedesktop.org>
#   Copyright 2009-2010, Rex Dieter <rdieter@fedoraproject.org>
#   Copyright 2006, Kevin Krammer <kevin.krammer@gmx.at>
#   Copyright 2006, Jeremy White <jwhite@codeweavers.com>
#
#   LICENSE:
#
#   Permission is hereby granted, free of charge, to any person obtaining a
#   copy of this software and associated documentation files (the "Software"),
#   to deal in the Software without restriction, including without limitation
#   the rights to use, copy, modify, merge, publish, distribute, sublicense,
#   and/or sell copies of the Software, and to permit persons to whom the
#   Software is furnished to do so, subject to the following conditions:
#
#   The above copyright notice and this permission notice shall be included
#   in all copies or substantial portions of the Software.
#
#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
#   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
#   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
#   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
#   OTHER DEALINGS IN THE SOFTWARE.
#
#---------------------------------------------

manualpage()
{
cat << _MANUALPAGE
Please see the man pages.
_MANUALPAGE
}

usage()
{
cat << _USAGE
_USAGE
}

#@xdg-utils-common@

#----------------------------------------------------------------------------
#   Common utility functions included in all XDG wrapper scripts
#----------------------------------------------------------------------------

DEBUG()
{
  [ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && return 0;
  [ ${XDG_UTILS_DEBUG_LEVEL} -lt $1 ] && return 0;
  shift
  echo "$@" >&2
}

# This handles backslashes but not quote marks.
first_word()
{
    read first rest
    echo "$first"
}

#-------------------------------------------------------------
# map a binary to a .desktop file
binary_to_desktop_file()
{
    search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
    binary="`which "$1"`"
    binary="`readlink -f "$binary"`"
    base="`basename "$binary"`"
    IFS=:
    for dir in $search; do
        unset IFS
        [ "$dir" ] || continue
        [ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue
        for file in "$dir"/applications/*.desktop "$dir"/applications/*/*.desktop "$dir"/applnk/*.desktop "$dir"/applnk/*/*.desktop; do
            [ -r "$file" ] || continue
            # Check to make sure it's worth the processing.
            grep -q "^Exec.*$base" "$file" || continue
            # Make sure it's a visible desktop file (e.g. not "preferred-web-browser.desktop").
            grep -Eq "^(NoDisplay|Hidden)=true" "$file" && continue
            command="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | first_word`"
            command="`which "$command"`"
            if [ x"`readlink -f "$command"`" = x"$binary" ]; then
                # Fix any double slashes that got added path composition
                echo "$file" | sed -e 's,//*,/,g'
                return
            fi
        done
    done
}

#-------------------------------------------------------------
# map a .desktop file to a binary
## FIXME: handle vendor dir case
desktop_file_to_binary()
{
    search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
    desktop="`basename "$1"`"
    IFS=:
    for dir in $search; do
        unset IFS
        [ "$dir" ] && [ -d "$dir/applications" ] || continue
        file="$dir/applications/$desktop"
        [ -r "$file" ] || continue
        # Remove any arguments (%F, %f, %U, %u, etc.).
        command="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | first_word`"
        command="`which "$command"`"
        readlink -f "$command"
        return
    done
}

#-------------------------------------------------------------
# Exit script on successfully completing the desired operation

exit_success()
{
    if [ $# -gt 0 ]; then
        echo "$@"
        echo
    fi

    exit 0
}


#-----------------------------------------
# Exit script on malformed arguments, not enough arguments
# or missing required option.
# prints usage information

exit_failure_syntax()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
        echo "Try 'xdg-desktop-menu --help' for more information." >&2
    else
        usage
        echo "Use 'man xdg-desktop-menu' or 'xdg-desktop-menu --manual' for additional info."
    fi

    exit 1
}

#-------------------------------------------------------------
# Exit script on missing file specified on command line

exit_failure_file_missing()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
    fi

    exit 2
}

#-------------------------------------------------------------
# Exit script on failure to locate necessary tool applications

exit_failure_operation_impossible()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
    fi

    exit 3
}

#-------------------------------------------------------------
# Exit script on failure returned by a tool application

exit_failure_operation_failed()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
    fi

    exit 4
}

#------------------------------------------------------------
# Exit script on insufficient permission to read a specified file

exit_failure_file_permission_read()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
    fi

    exit 5
}

#------------------------------------------------------------
# Exit script on insufficient permission to write a specified file

exit_failure_file_permission_write()
{
    if [ $# -gt 0 ]; then
        echo "xdg-desktop-menu: $@" >&2
    fi

    exit 6
}

check_input_file()
{
    if [ ! -e "$1" ]; then
        exit_failure_file_missing "file '$1' does not exist"
    fi
    if [ ! -r "$1" ]; then
        exit_failure_file_permission_read "no permission to read file '$1'"
    fi
}

check_vendor_prefix()
{
    file_label="$2"
    [ -n "$file_label" ] || file_label="filename"
    file=`basename "$1"`
    case "$file" in
       [[:alpha:]]*-*)
         return
         ;;
    esac

    echo "xdg-desktop-menu: $file_label '$file' does not have a proper vendor prefix" >&2
    echo 'A vendor prefix consists of alpha characters ([a-zA-Z]) and is terminated' >&2
    echo 'with a dash ("-"). An example '"$file_label"' is '"'example-$file'" >&2
    echo "Use --novendor to override or 'xdg-desktop-menu --manual' for additional info." >&2
    exit 1
}

check_output_file()
{
    # if the file exists, check if it is writeable
    # if it does not exists, check if we are allowed to write on the directory
    if [ -e "$1" ]; then
        if [ ! -w "$1" ]; then
            exit_failure_file_permission_write "no permission to write to file '$1'"
        fi
    else
        DIR=`dirname "$1"`
        if [ ! -w "$DIR" ] || [ ! -x "$DIR" ]; then
            exit_failure_file_permission_write "no permission to create file '$1'"
        fi
    fi
}

#----------------------------------------
# Checks for shared commands, e.g. --help

check_common_commands()
{
    while [ $# -gt 0 ] ; do
        parm="$1"
        shift

        case "$parm" in
            --help)
            usage
            echo "Use 'man xdg-desktop-menu' or 'xdg-desktop-menu --manual' for additional info."
            exit_success
            ;;

            --manual)
            manualpage
            exit_success
            ;;

            --version)
            echo "xdg-desktop-menu 1.1.0 rc3"
            exit_success
            ;;
        esac
    done
}

check_common_commands "$@"

[ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && unset XDG_UTILS_DEBUG_LEVEL;
if [ ${XDG_UTILS_DEBUG_LEVEL-0} -lt 1 ]; then
    # Be silent
    xdg_redirect_output=" > /dev/null 2> /dev/null"
else
    # All output to stderr
    xdg_redirect_output=" >&2"
fi

#--------------------------------------
# Checks for known desktop environments
# set variable DE to the desktop environments name, lowercase

detectDE()
{
    # see https://bugs.freedesktop.org/show_bug.cgi?id=34164
    unset GREP_OPTIONS

    if [ -n "${XDG_CURRENT_DESKTOP}" ]; then
      case "${XDG_CURRENT_DESKTOP}" in
         # only recently added to menu-spec, pre-spec X- still in use
         Cinnamon|X-Cinnamon)
           DE=cinnamon;
           ;;
         ENLIGHTENMENT)
           DE=enlightenment;
           ;;
         # GNOME, GNOME-Classic:GNOME, or GNOME-Flashback:GNOME
         GNOME*)
           DE=gnome;
           ;;
         KDE)
           DE=kde;
           ;;
         LXDE)
           DE=lxde;
           ;;
         MATE)
           DE=mate;
           ;;
         XFCE)
           DE=xfce
           ;;
         X-Generic)
           DE=generic
           ;;
      esac
    fi

    if [ x"$DE" = x"" ]; then
      # classic fallbacks
      if [ x"$KDE_FULL_SESSION" != x"" ]; then DE=kde;
      elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ]; then DE=gnome;
      elif [ x"$MATE_DESKTOP_SESSION_ID" != x"" ]; then DE=mate;
      elif `dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager > /dev/null 2>&1` ; then DE=gnome;
      elif xprop -root _DT_SAVE_MODE 2> /dev/null | grep ' = \"xfce4\"$' >/dev/null 2>&1; then DE=xfce;
      elif xprop -root 2> /dev/null | grep -i '^xfce_desktop_window' >/dev/null 2>&1; then DE=xfce
      elif echo $DESKTOP | grep -q '^Enlightenment'; then DE=enlightenment;
      fi
    fi

    if [ x"$DE" = x"" ]; then
      # fallback to checking $DESKTOP_SESSION
      case "$DESKTOP_SESSION" in
         gnome)
           DE=gnome;
           ;;
         LXDE|Lubuntu)
           DE=lxde; 
           ;;
         MATE)
           DE=mate;
           ;;
         xfce|xfce4|'Xfce Session')
           DE=xfce;
           ;;
      esac
    fi

    if [ x"$DE" = x"" ]; then
      # fallback to uname output for other platforms
      case "$(uname 2>/dev/null)" in 
        CYGWIN*)
          DE=cygwin;
          ;;
        Darwin)
          DE=darwin;
          ;;
      esac
    fi

    if [ x"$DE" = x"gnome" ]; then
      # gnome-default-applications-properties is only available in GNOME 2.x
      # but not in GNOME 3.x
      which gnome-default-applications-properties > /dev/null 2>&1  || DE="gnome3"
    fi
}

#----------------------------------------------------------------------------
# kfmclient exec/openURL can give bogus exit value in KDE <= 3.5.4
# It also always returns 1 in KDE 3.4 and earlier
# Simply return 0 in such case

kfmclient_fix_exit_code()
{
    version=`LC_ALL=C.UTF-8 kde-config --version 2>/dev/null | grep '^KDE'`
    major=`echo $version | sed 's/KDE.*: \([0-9]\).*/\1/'`
    minor=`echo $version | sed 's/KDE.*: [0-9]*\.\([0-9]\).*/\1/'`
    release=`echo $version | sed 's/KDE.*: [0-9]*\.[0-9]*\.\([0-9]\).*/\1/'`
    test "$major" -gt 3 && return $1
    test "$minor" -gt 5 && return $1
    test "$release" -gt 4 && return $1
    return 0
}

update_desktop_database()
{
#    echo Update desktop database: $mode
    if [ "$mode" = "system" ] ; then
        for x in `echo $PATH | sed 's/:/ /g'` /opt/gnome/bin; do
           if [ -x $x/update-desktop-database ] ; then
              DEBUG 1 "Running $x/update-desktop-database"
              eval '$x/update-desktop-database'$xdg_redirect_output
              return
           fi
        done
    fi
}

# Make application $1/$2 the default for all the mimetypes it support,
# iff such mimetype didn't had a default application already.
# $1 Install dir for desktop file
# $2 base name of desktop file
make_lazy_default()
{
    local mimetypes
    local xdg_user_dir
    local xdg_default_dirs

    DEBUG 1 "make_lazy_default $1/$2"
    mimetypes=`awk '
{
    if (match($0,/MimeType=/)) {
        split(substr($0,RSTART+9),mimetypes,";")
        for (n in mimetypes)
        {
               if (mimetypes[n])
                 print mimetypes[n]
        }
    }
}' "$1/$2" 2> /dev/null`

    for MIME in $mimetypes ; do
        xdg_default_dirs="$XDG_DATA_DIRS"
        [ -n "$xdg_default_dirs" ] || xdg_default_dirs=/usr/local/share/:/usr/share/
        if [ x"$mode" = x"user" ] ; then
            xdg_user_dir="$XDG_DATA_HOME"
            [ -n "$xdg_user_dir" ] || xdg_user_dir="$HOME/.local/share"
            xdg_default_dirs="$xdg_user_dir:$xdg_default_dirs"
        fi
        local default_app
        for x in `echo "$xdg_default_dirs" | sed 's/:/ /g'`; do
            DEBUG 2 "Checking $x/applications/defaults.list"
            default_app=`grep "$MIME=" $x/applications/defaults.list 2> /dev/null | cut -d '=' -f 2`
            if [ -n "$default_app" ] ; then
                DEBUG 2 "Found default apps for $MIME: $default_app"
                default_app="$default_app;"
                break;
            fi
        done
        DEBUG 2 "Current default apps for $MIME: $default_app"
        if echo "$default_app" | grep "$2" > /dev/null 2> /dev/null; then
            # App already listed as default
            continue;
        fi
        default_file="$(readlink -f "$1/defaults.list")"
        DEBUG 1 "Updating $default_file"
        grep -v "$MIME=" $default_file > ${default_file}.new 2> /dev/null
        if ! grep "[Default Applications]" ${default_file}.new > /dev/null; then
            echo "[Default Applications]" >> ${default_file}.new
        fi
        echo $MIME="$default_app$2" >> ${default_file}.new
        mv ${default_file}.new $default_file
    done
}

update_submenu()
{
    DEBUG 1 "update_submenu $1"
    menu_file="$1"

    xdg_dir_name=menus
    xdg_user_dir="$XDG_CONFIG_HOME"
    [ -n "$xdg_user_dir" ] || xdg_user_dir="$HOME/.config"
    xdg_user_dir="$xdg_user_dir/$xdg_dir_name"

    xdg_system_dirs="$XDG_CONFIG_DIRS"
    [ -n "$xdg_system_dirs" ] || xdg_system_dirs=/etc/xdg
    xdg_global_dir=
    for x in `echo $xdg_system_dirs | sed 's/:/ /g'` ; do
        if [ -w $x/$xdg_dir_name ] ; then
            xdg_global_dir="$x/$xdg_dir_name"
            break
        fi
    done
    xdg_user_dir="$xdg_user_dir/applications-merged"
    xdg_global_dir="$xdg_global_dir/applications-merged"

    DEBUG 3 "Install locations for *.menu file:"
    DEBUG 3 "xdg_user_dir: $xdg_user_dir"
    DEBUG 3 "xdg_global_dir: $xdg_global_dir"
    DEBUG 3 "kde_user_dir: $kde_user_dir"
    DEBUG 3 "kde_global_dir: $kde_global_dir"
    DEBUG 3 "gnome_user_dir: $gnome_user_dir"
    DEBUG 3 "gnome_global_dir: $gnome_global_dir"

    if [ x"$mode" = x"user" ] ; then
        xdg_dir="$xdg_user_dir"
        kde_dir="$kde_user_dir"
        gnome_dir="$gnome_user_dir"
        my_umask=077
        my_chmod=0600
    else
        xdg_dir="$xdg_global_dir"
        kde_dir="$kde_global_dir"
        gnome_dir="$gnome_global_dir"
        my_umask=022
        my_chmod=0644
        if [ -z "${xdg_dir}${kde_dir}${gnome_dir}" ] ; then
            exit_failure_operation_impossible "No writable system menu directory found."
        fi
    fi

    if [ -z "$menu_file" ] ; then
        # Work around for SUSE/gnome 2.12 to pick up new ~/.local/share/applications
        save_umask=`umask`
        umask $my_umask

        mkdir -p $xdg_dir
        touch $xdg_dir/xdg-desktop-menu-dummy.menu

        umask $save_umask
        return
    fi

    if [ $action = "install" ] && [ -f "/etc/xdg/menus/gnome-applications.menu" ] ; then
        # Work around for Debian Gnome
        gnome_xdg_dir=`echo "$xdg_dir" | sed -e 's^/applications-merged^/gnome-applications-merged^'`
        if [ ! -e "$gnome_xdg_dir" ] ; then
            DEBUG 1 "Debian Workaround: Link '$xdg_dir' to '$gnome_xdg_dir'"
            mkdir -p `dirname "$gnome_xdg_dir"`
            eval 'ln -s "applications-merged" "$gnome_xdg_dir"'$xdg_redirect_output
        fi
    fi
    if [ $action = "install" ] && [ -f "/etc/mandrake-release" ] ; then
        # Work around for Mandriva 2006
        mandrake_xdg_dir=`echo "$xdg_dir" | sed -e 's^/applications-merged^/applications-mdk-merged^'`
        if [ ! -e "$mandrake_xdg_dir" ] ; then
            DEBUG 1 "Mandriva Workaround: Link '$xdg_dir' to '$mandrake_xdg_dir'"
            mkdir -p `dirname "$mandrake_xdg_dir"`
            eval 'ln -s "applications-merged" "$mandrake_xdg_dir"'$xdg_redirect_output
        fi
    fi
    if [ $action = "install" -a x"$mode" = x"user" ] && [ -d "/etc/xdg/menus/kde-applications-merged" ] ; then
        # Work around for Fedora Core 5 + patched KDE
        kde_xdg_dir=`echo "$xdg_dir" | sed -e 's^/applications-merged^/kde-applications-merged^'`
        if [ ! -e "$kde_xdg_dir" ] ; then
            DEBUG 1 "Fedora Workaround: Link '$xdg_dir' to '$kde_xdg_dir'"
            mkdir -p `dirname "$kde_xdg_dir"`
            eval 'ln -s "applications-merged" "$kde_xdg_dir"'$xdg_redirect_output
        fi
    fi
    if [ $action = "install" -a x"$mode" = x"system" ] && [ -d "/etc/xdg/menus/kde-applications-merged" ] && [ ! -d "/etc/xdg/menus/applications-merged" ] ; then
        # Work around for Kubuntu 6.06
        kde_xdg_dir=`echo "$xdg_dir" | sed -e 's^/applications-merged^/kde-applications-merged^'`
        DEBUG 1 "Kubuntu Workaround: Link '$xdg_dir' to 'kde-applications-merged'"
        eval 'ln -s "kde-applications-merged" "$xdg_dir"'$xdg_redirect_output
    fi

    orig_menu_file=$xdg_dir/$menu_file

    DEBUG 1 "Updating $orig_menu_file ($action)"

    test "${TMPDIR+set}" = set || TMPDIR=/tmp
    tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
    orig_desktop_files=
    if [ -r "$orig_menu_file" ] ; then
        awk '
# List all files within <Filename> tags
BEGIN {
  RS="<"
}
/^Filename/ {
  if (match($0,/>/)) {
     print substr($0,RSTART+1)
  }
}' $orig_menu_file > $tmpfile
    fi

    orig_desktop_files=`cat $tmpfile`
    new_desktop_files=
    if [ $action = "install" ] ; then
        for desktop_file in $desktop_files; do
            basefile=`basename "$desktop_file"`
            if ! grep '^'$basefile'$' $tmpfile > /dev/null 2> /dev/null ; then
            	# Append
            	echo "$basefile" >> $tmpfile
            fi
        done
        new_desktop_files=`cat $tmpfile`
    fi
    if [ $action = "uninstall" ] ; then
        echo > $tmpfile
        for desktop_file in $desktop_files; do
            echo "$desktop_file" >> $tmpfile
        done
        # Files to uninstall are listed in $tmpfile
        # Existing files are in $orig_desktop_files
        if [ ! -z "$orig_desktop_files" ]; then
        for desktop_file in $orig_desktop_files; do
            if ! grep '^'$desktop_file'$' $tmpfile > /dev/null 2> /dev/null; then
            	# Keep this file, it's not in the uninstall list
            	new_desktop_files="$new_desktop_files $desktop_file"
            fi
        done
        fi
    fi
    rm -f "$tmpfile"

    DEBUG 3 "Files to list in $menu_file: $new_desktop_files"

    if [ -n "$new_desktop_files" ] ; then
        # Install/update
        test "${TMPDIR+set}" = set || TMPDIR=/tmp
        tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
        (
            echo '<!DOCTYPE Menu PUBLIC "-//freedesktop//DTD Menu 1.0//EN"'
            echo '    "http://www.freedesktop.org/standards/menu-spec/menu-1.0.dtd">'
            echo '<!-- Do not edit manually - generated and managed by xdg-desktop-menu -->'
            echo '<Menu>'
            echo '    <Name>Applications</Name>'

            for desktop_file in $directory_files; do
                basefile=`basename "$desktop_file"`
                basefilename=`echo "$basefile"|cut -d '.' -f 1`
                echo "<Menu>"
                echo "    <Name>$basefilename</Name>"
                echo "    <Directory>$basefile</Directory>"
            done

            echo "    <Include>"
            for desktop_file in $new_desktop_files; do
                echo "        <Filename>$desktop_file</Filename>"
            done
            echo "    </Include>"

            for desktop_file in $directory_files; do
                echo "</Menu>"
            done

            echo '</Menu>'
        ) > $tmpfile
        chmod $my_chmod $tmpfile

        save_umask=`umask`
        umask $my_umask

        mkdir -p $xdg_dir
        eval 'cp $tmpfile $xdg_dir/$menu_file'$xdg_redirect_output

        umask $save_umask
	rm -f "$tmpfile"
    else
        # Uninstall
        rm -f $xdg_dir/$menu_file
    fi

    # Uninstall .directory files only if no longer referenced
    if [ $action = "uninstall" ] ; then
        test "${TMPDIR+set}" = set || TMPDIR=/tmp
        tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
        for menu_file in $xdg_dir/*; do
            if grep 'generated and managed by xdg-desktop-menu' "$menu_file" > /dev/null 2> /dev/null; then
                awk '
# List all files within <Directory> tags
BEGIN {
  RS="<"
}
/^Directory/ {
  if (match($0,/>/)) {
     print substr($0,RSTART+1)
  }
}' "$menu_file" >> $tmpfile
            fi
        done
        orig_directory_files="$directory_files"
        directory_files=
        for desktop_file in $orig_directory_files; do
            if ! grep '^'$desktop_file'$' $tmpfile > /dev/null 2> /dev/null; then
                # No longer in use, safe to delete
               directory_files="$directory_files $desktop_file"
            fi
        done
        rm -f "$tmpfile"
    fi
}


[ x"$1" != x"" ] || exit_failure_syntax

mode=
action=
update=yes
desktop_files=
directory_files=

case $1 in
  install)
    action=install
    ;;

  uninstall)
    action=uninstall
    ;;

  forceupdate)
    action=forceupdate
    ;;

  *)
    exit_failure_syntax "unknown command '$1'"
    ;;
esac

shift

vendor=true
while [ $# -gt 0 ] ; do
    parm="$1"
    shift

    case "$parm" in
      --noupdate)
        update=no
        ;;

      --mode)
        if [ -z "$1" ] ; then
            exit_failure_syntax "mode argument missing for --mode"
        fi
        case "$1" in
          user)
            mode="user"
            ;;

          system)
            mode="system"
            ;;

          *)
            exit_failure_syntax "unknown mode '$1'"
            ;;
        esac
        shift
        ;;

      --novendor)
        vendor=false
        ;;

      -*)
        exit_failure_syntax "unexpected option '$parm'"
        ;;

      *)
        if [ "$action" = "install" ] ; then
            check_input_file "$parm"
        fi
        case "$parm" in
           *.directory)
              if [ -n "$desktop_files" ] ; then
                  exit_failure_syntax "'$parm' must preceed any *.desktop file"
              fi
              directory_files="$directory_files $parm"
              ;;
           *.desktop)
              desktop_files="$desktop_files $parm"
              ;;
           *)
              exit_failure_syntax "file to $action must be a *.directory or *.desktop file"
              ;;
        esac
        ;;
    esac
done

# Shouldn't happen
if [ -z "$action" ] ; then
    exit_failure_syntax "command argument missing"
fi

if [ -n "$XDG_UTILS_INSTALL_MODE" ] ; then
    if [ "$XDG_UTILS_INSTALL_MODE" = "system" ] ; then
        mode="system"
    elif [ "$XDG_UTILS_INSTALL_MODE" = "user" ] ; then
        mode="user"
    fi
fi

if [ -z "$mode" ] ; then
    if [ `whoami` = "root" ] ; then
       mode="system"
    else
       mode="user"
    fi
fi

if [ x"$action" = x"forceupdate" ] ; then
    update_desktop_database
    exit_success
fi

if [ -z "$desktop_files" ] ; then
    exit_failure_syntax "desktop-file argument missing"
fi

menu_name=
for desktop_file in $directory_files; do
    if [ "$vendor" =  "true" -a "$action" = "install" ] ; then
        check_vendor_prefix "$desktop_file"
    fi

    basefilename=`basename "$desktop_file" | cut -d '.' -f 1`
    if [ -z "$menu_name" ] ; then
        menu_name="$basefilename"
    else
        menu_name="$menu_name-$basefilename"
    fi
done

if [ -n "$menu_name" ] ; then
    if [ x"$mode" = x"user" ] ; then
        update_submenu "user-$menu_name.menu"
    else
        update_submenu "$menu_name.menu"
    fi
else
    # Work around for SUSE/gnome 2.12 to pick up new ~/.local/share/applications
    if [ x"$mode" = x"user" ] ; then
        update_submenu
    fi
fi

# Install *.directory files

xdg_dir_name=desktop-directories

xdg_user_dir="$XDG_DATA_HOME"
[ -n "$xdg_user_dir" ] || xdg_user_dir="$HOME/.local/share"
xdg_user_dir="$xdg_user_dir/$xdg_dir_name"

xdg_system_dirs="$XDG_DATA_DIRS"
[ -n "$xdg_system_dirs" ] || xdg_system_dirs=/usr/local/share/:/usr/share/
xdg_global_dir=
for x in `echo $xdg_system_dirs | sed 's/:/ /g'` ; do
    if [ -w $x/$xdg_dir_name ] ; then
        xdg_global_dir="$x/$xdg_dir_name"
        break
    fi
done

DEBUG 3 "Install locations for *.directory files:"
DEBUG 3 "xdg_user_dir: $xdg_user_dir"
DEBUG 3 "xdg_global_dir: $xdg_global_dir"
DEBUG 3 "kde_user_dir: $kde_user_dir"
DEBUG 3 "kde_global_dir: $kde_global_dir"
DEBUG 3 "gnome_user_dir: $gnome_user_dir"
DEBUG 3 "gnome_global_dir: $gnome_global_dir"

if [ x"$mode" = x"user" ] ; then
    xdg_dir="$xdg_user_dir"
    kde_dir="$kde_user_dir"
    gnome_dir="$gnome_user_dir"
    my_umask=077
else
    xdg_dir="$xdg_global_dir"
    kde_dir="$kde_global_dir"
    gnome_dir="$gnome_global_dir"
    my_umask=022
    if [ -z "${xdg_dir}${kde_dir}${gnome_dir}" ] ; then
        exit_failure_operation_impossible "No writable system menu directory found."
    fi
fi

for desktop_file in $directory_files; do
    basefile=`basename "$desktop_file"`

    DEBUG 1 "$action $desktop_file in $xdg_dir $kde_dir $gnome_dir"

    case $action in
        install)
            save_umask=`umask`
            umask $my_umask

            for x in $xdg_dir $kde_dir $gnome_dir ; do
                mkdir -p $x
                eval 'cp $desktop_file $x/$basefile'$xdg_redirect_output
            done

            umask $save_umask
            ;;

        uninstall)
            for x in $xdg_dir $kde_dir $gnome_dir ; do
                rm -f $x/$basefile
            done

            ;;
    esac
done

# Install *.desktop files
xdg_dir_name=applications

xdg_user_dir="$XDG_DATA_HOME"
[ -n "$xdg_user_dir" ] || xdg_user_dir="$HOME/.local/share"
xdg_user_dir="$xdg_user_dir/$xdg_dir_name"

xdg_system_dirs="$XDG_DATA_DIRS"
[ -n "$xdg_system_dirs" ] || xdg_system_dirs=/usr/local/share/:/usr/share/
xdg_global_dir=
for x in `echo $xdg_system_dirs | sed 's/:/ /g'` ; do
    if [ -w $x/$xdg_dir_name ] ; then
        xdg_global_dir="$x/$xdg_dir_name"
        break
    fi
done

kde_user_dir=`kde${KDE_SESSION_VERSION}-config --path apps 2> /dev/null | cut -d ':' -f 1`
kde_global_dir=`kde${KDE_SESSION_VERSION}-config --path apps 2> /dev/null | cut -d ':' -f 2`
[ -w $kde_global_dir ] || kde_global_dir=

gnome_user_dir="$HOME/.gnome/apps"
gnome_global_dir="/usr/share/gnome/apps"
[ -w $gnome_global_dir ] || gnome_global_dir=

DEBUG 3 "Install locations for *.desktop files:"
DEBUG 3 "xdg_user_dir: $xdg_user_dir"
DEBUG 3 "xdg_global_dir: $xdg_global_dir"
DEBUG 3 "kde_user_dir: $kde_user_dir"
DEBUG 3 "kde_global_dir: $kde_global_dir"
DEBUG 3 "gnome_user_dir: $gnome_user_dir"
DEBUG 3 "gnome_global_dir: $gnome_global_dir"

if [ x"$mode" = x"user" ] ; then
    xdg_dir="$xdg_user_dir"
    kde_dir="$kde_user_dir"
    gnome_dir="$gnome_user_dir"
    my_umask=077
else
    xdg_dir="$xdg_global_dir"
    kde_dir="$kde_global_dir"
    gnome_dir="$gnome_global_dir"
    my_umask=022
    if [ -z "${xdg_dir}${kde_dir}${gnome_dir}" ] ; then
        exit_failure_operation_impossible "No writable system menu directory found."
    fi
fi

for desktop_file in $desktop_files; do
    if [ "$vendor" =  "true" -a "$action" = "install" ] ; then
        check_vendor_prefix "$desktop_file"
    fi

    basefile=`basename "$desktop_file"`

    DEBUG 1 "$action $desktop_file in $xdg_dir $kde_dir $gnome_dir"

    case $action in
        install)
            save_umask=`umask`
            umask $my_umask

            for x in $xdg_dir $kde_dir $gnome_dir ; do
                mkdir -p $x
                eval 'cp $desktop_file $x/$basefile'$xdg_redirect_output
            done

            if [ -f $kde_dir/$basefile ] ; then
                echo "OnlyShowIn=Old;" >> $kde_dir/$basefile
            fi

            if [ -f $gnome_dir/$basefile ] ; then
                echo "OnlyShowIn=Old;" >> $gnome_dir/$basefile
            fi

            make_lazy_default "$xdg_dir" "$basefile"

            umask $save_umask
            ;;

        uninstall)
            for x in $xdg_dir $kde_dir $gnome_dir ; do
                rm -f $x/$basefile
            done

            ;;
    esac
done

if [ x"$update" = x"yes" ] ; then
    update_desktop_database
fi

exit_success
