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#!/bin/sh #--------------------------------------------- # xdg-desktop-icon # # Utility script to install desktop 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. # #--------------------------------------------- usage() { cat << _USAGE xdg-desktop-icon -- command line tool for (un)installing icons to the desktop Synopsis xdg-desktop-icon install [--novendor] FILE xdg-desktop-icon uninstall FILE xdg-desktop-icon { --help | --manual | --version } _USAGE } manualpage() { cat << _MANUALPAGE Name xdg-desktop-icon -- command line tool for (un)installing icons to the desktop Synopsis xdg-desktop-icon install [--novendor] FILE xdg-desktop-icon uninstall FILE xdg-desktop-icon { --help | --manual | --version } Description The xdg-desktop-icon program can be used to install an application launcher or other file on the desktop of the current user. An application launcher is represented by a *.desktop file. Desktop files are defined by the freedesktop.org Desktop Entry Specification. The most important aspects of *.desktop files are summarized below. Commands install Installs FILE to the desktop of the current user. FILE can be a *.desktop file or any other type of file. uninstall Removes FILE from the desktop of the current user. Options --novendor Normally, xdg-desktop-icon checks to ensure that a *.desktop file to be installed has a vendor prefix. This option can be used to disable that check. A vendor prefix consists of alpha characters ([a-zA-Z]) and is terminated with a dash ("-"). Companies and organizations are encouraged to use a word or phrase, preferably the organizations name, for which they hold a trademark as their vendor prefix. The purpose of the vendor prefix is to prevent name conflicts. --help Show command synopsis. --manual Show this manual page. --version Show the xdg-utils version information. Desktop Files An application launcher can be added to the desktop by installing a *.desktop file. A *.desktop file consists of a [Desktop Entry] header followed by several Key=Value lines. A *.desktop file can provide a name and description for an application in several different languages. This is done by adding a language code as used by LC_MESSAGES in square brackets behind the Key. This way one can specify different values for the same Key depending on the currently selected language. The following keys are often used: Value=1.0 This is a mandatory field to indicate that the *.desktop file follows the 1.0 version of the specification. Type=Application This is a mandatory field that indicates that the *.desktop file describes an application launcher. Name=Application Name The name of the application. For example Mozilla GenericName=Generic Name A generic description of the application. For example Web Browser Comment=Comment Optional field to specify a tooltip for the application. For example Visit websites on the Internet Icon=Icon File The icon to use for the application. This can either be an absolute path to an image file or an icon-name. If an icon-name is provided an image lookup by name is done in the user's current icon theme. The xdg-icon-resource command can be used to install image files into icon themes. The advantage of using an icon-name instead of an absolute path is that with an icon-name the application icon can be provided in several different sizes as well as in several differently themed styles. Exec=Command Line The command line to start the application. If the application can open files the %f placeholder should be specified. When a file is dropped on the application launcher the %f is replaced with the file path of the dropped file. If multiple files can be specified on the command line the %F placeholder should be used instead of %f. If the application is able to open URLs in addition to local files then %u or %U can be used instead of %f or %F. For a complete overview of the *.desktop file format please visit http://www.freedesktop.org/wiki/Specifications/desktop-entry-sp ec Environment Variables xdg-desktop-icon honours the following environment variables: XDG_UTILS_DEBUG_LEVEL Setting this environment variable to a non-zero numerical value makes xdg-desktop-icon do more verbose reporting on stderr. Setting a higher value increases the verbosity. Exit Codes An exit code of 0 indicates success while a non-zero exit code indicates failure. The following failure codes can be returned: 1 Error in command line syntax. 2 One of the files passed on the command line did not exist. 3 A required tool could not be found. 4 The action failed. 5 No permission to read one of the files passed on the command line. See Also xdg-icon-resource(1) Examples The company ShinyThings Inc. has developed an application named "WebMirror" and would like to add a launcher for for on the desktop. The company will use "shinythings" as its vendor id. In order to add the application to the desktop there needs to be a .desktop file for the application: shinythings-webmirror.desktop: [Desktop Entry] Encoding=UTF-8 Type=Application Exec=webmirror Icon=shinythings-webmirror Name=WebMirror Name[nl]=WebSpiegel Now the xdg-desktop-icon tool can be used to add the webmirror.desktop file to the desktop: xdg-desktop-icon install ./shinythings-webmirror.desktop To add a README file to the desktop as well, the following command can be used: xdg-desktop-icon install ./shinythings-README _MANUALPAGE } #@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-icon: $@" >&2 echo "Try 'xdg-desktop-icon --help' for more information." >&2 else usage echo "Use 'man xdg-desktop-icon' or 'xdg-desktop-icon --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-icon: $@" >&2 fi exit 2 } #------------------------------------------------------------- # Exit script on failure to locate necessary tool applications exit_failure_operation_impossible() { if [ $# -gt 0 ]; then echo "xdg-desktop-icon: $@" >&2 fi exit 3 } #------------------------------------------------------------- # Exit script on failure returned by a tool application exit_failure_operation_failed() { if [ $# -gt 0 ]; then echo "xdg-desktop-icon: $@" >&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-icon: $@" >&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-icon: $@" >&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 [a-zA-Z]*-*) return ;; esac echo "xdg-desktop-icon: $file_label '$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-icon --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-icon' or 'xdg-desktop-icon --manual' for additional info." exit_success ;; --manual) manualpage exit_success ;; --version) echo "xdg-desktop-icon 1.1.0 rc1" 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 "${XDG_CURRENT_DESKTOP}" in GNOME) DE=gnome; ;; KDE) DE=kde; ;; LXDE) DE=lxde; ;; XFCE) DE=xfce esac fi if [ x"$DE" = x"" ]; then # classic fallbacks if [ x"$KDE_FULL_SESSION" = x"true" ]; then DE=kde; elif [ x"$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 fi fi if [ x"$DE" = x"" ]; then # fallback to checking $DESKTOP_SESSION case "$DESKTOP_SESSION" in gnome) DE=gnome; ;; LXDE|Lubuntu) DE=lxde; ;; 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 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 } [ x"$1" != x"" ] || exit_failure_syntax action= desktop_file= case $1 in install) action=install ;; uninstall) action=uninstall ;; *) exit_failure_syntax "unknown command '$1'" ;; esac shift vendor=true while [ $# -gt 0 ] ; do parm=$1 shift case $parm in --novendor) vendor=false ;; -*) exit_failure_syntax "unexpected option '$parm'" ;; *) if [ -n "$desktop_file" ] ; then exit_failure_syntax "unexpected argument '$parm'" fi if [ "$action" = "install" ] ; then check_input_file "$parm" fi desktop_file=$parm ;; esac done # Shouldn't happen if [ -z "$action" ] ; then exit_failure_syntax "command argument missing" fi if [ -z "$desktop_file" ] ; then exit_failure_syntax "FILE argument missing" fi filetype= case "$desktop_file" in *.desktop) filetype=desktop if [ "$vendor" = "true" -a "$action" = "install" ] ; then check_vendor_prefix "$desktop_file" fi ;; *) filetype=other ;; esac my_umask=077 desktop_dir="$HOME/Desktop" if xdg-user-dir 2>/dev/null 1>&2; then desktop_dir=`xdg-user-dir DESKTOP` fi desktop_dir_kde=`kde${KDE_SESSION_VERSION}-config --userpath desktop 2> /dev/null` if gconftool-2 -g /apps/nautilus/preferences/desktop_is_home_dir 2> /dev/null | grep true > /dev/null; then desktop_dir_gnome="$HOME" # Don't create $HOME/Desktop if it doesn't exist [ -w "$desktop_dir" ] || desktop_dir= fi if [ -n "$desktop_dir_kde" ]; then if [ ! -d "$desktop_dir_kde" ]; then save_umask=`umask` umask $my_umask mkdir -p "$desktop_dir_kde" umask $save_umask fi # Is the KDE desktop dir != $HOME/Desktop ? if [ "x`readlink -f "$desktop_dir"`" != "x`readlink -f "$desktop_dir_kde"`" ]; then # If so, don't create $HOME/Desktop if it doesn't exist [ -w "$desktop_dir" ] || desktop_dir= else desktop_dir_kde= fi fi basefile=`basename "$desktop_file"` DEBUG 1 "$action $desktop_file in $desktop_dir $desktop_dir_kde $desktop_dir_gnome" case $action in install) save_umask=`umask` umask $my_umask for x in "$desktop_dir" "$desktop_dir_kde" "$desktop_dir_gnome" ; do if [ -n "$x" ]; then mkdir -p "$x" eval 'cp "$desktop_file" "$x/$basefile"'$xdg_redirect_output chmod u+x "$x/$basefile" fi done umask $save_umask ;; uninstall) for x in "$desktop_dir" "$desktop_dir_kde" "$desktop_dir_gnome" ; do if [ -n "$x" ]; then rm -f "$x/$basefile" fi done ;; esac exit_success
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