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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:
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 "$file" | sed -e 's,//*,/,g'
return
fi
done
done
}
#-------------------------------------------------------------
# map a .desktop file to a binary
desktop_file_to_binary()
{
search="${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 "$dir/applications" ] || [ -d "$dir/applnk" ] || continue
# Check if desktop file contains -
if [ "${desktop#*-}" != "$desktop" ]; then
vendor=${desktop%-*}
app=${desktop#*-}
if [ -r $dir/applications/$vendor/$app ]; then
file_path=$dir/applications/$vendor/$app
elif [ -r $dir/applnk/$vendor/$app ]; then
file_path=$dir/applnk/$vendor/$app
fi
fi
if test -z "$file_path" ; then
for indir in "$dir"/applications/ "$dir"/applications/*/ "$dir"/applnk/ "$dir"/applnk/*/; do
file="$indir/$desktop"
if [ -r "$file" ]; then
file_path=$file
break
fi
done
fi
if [ -r "$file_path" ]; then
# Remove any arguments (%F, %f, %U, %u, etc.).
command="`grep -E "^Exec(\[[^]=]*])?=" "$file_path" | cut -d= -f 2- | first_word`"
command="`which "$command"`"
readlink -f "$command"
return
fi
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
[[:alpha:]]*-*)
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 1.1.2+"
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 "${XDG_CURRENT_DESKTOP}" in
# only recently added to menu-spec, pre-spec X- still in use
Cinnamon|X-Cinnamon)
DE=cinnamon;
;;
ENLIGHTENMENT)
DE=enlightenment;
;;
# GNOME, GNOME-Classic:GNOME, or GNOME-Flashback:GNOME
GNOME*)
DE=gnome;
;;
KDE)
DE=kde;
;;
LXDE)
DE=lxde;
;;
LXQt)
DE=lxqt;
;;
MATE)
DE=mate;
;;
XFCE)
DE=xfce
;;
X-Generic)
DE=generic
;;
esac
fi
if [ x"$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 $DESKTOP | grep -q '^Enlightenment'; then DE=enlightenment;
elif [ x"$LXQT_SESSION_CONFIG" != x"" ]; then DE=lxqt;
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"$DE" = x"gnome" ]; then
# gnome-default-applications-properties is only available in GNOME 2.x
# but not in GNOME 3.x
which gnome-default-applications-properties > /dev/null 2>&1 || DE="gnome3"
fi
if [ -f "$XDG_RUNTIME_DIR/flatpak-info" ]; then
DE="flatpak"
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 $1
return 0
}
#----------------------------------------------------------------------------
# Returns true if there is a graphical display attached.
has_display()
{
if [ -n "$DISPLAY" ] || [ -n "$WAYLAND_DISPLAY" ]; then
return 0
else
return 1
fi
}
[ 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