128 lines
3.9 KiB
Bash
128 lines
3.9 KiB
Bash
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# Copyright 2016 Julian Ospald <hasufell@posteo.de>
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# Distributed under the terms of the GNU General Public License v2
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# Purpose: an exlib dealing with '.desktop' files
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# Maintainer: Julian Ospald <hasufell@posteo.de>
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# Exports: nothing
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# Side-effects: adds build dependencies
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# needed for 'here_desktop_entry'
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DEPENDENCIES+="
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build:
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dev-util/desktop-file-utils
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"
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# Like 'herebin', but for desktop entry files.
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#
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# Arguments: <filename>
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# Side-effects: installs the desktop entry via 'here_desktop_entry'
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# Inspection: $TEMP, $IMAGE
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# Errors: according to 'desktop-file-validate'
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here_desktop_entry() {
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if [[ ${#} -ne 1 ]]; then
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die "exactly one argument needed."
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fi
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(
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cat > "${TEMP}/${1}"
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insinto /usr/share/applications
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doins "${TEMP}/${1}"
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)
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if ! desktop-file-validate ${IMAGE}/usr/share/applications/${1} ; then
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eerror "${1} does not pass desktop file validation"
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die_unless_nonfatal "${1} does not pass desktop file validation"
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fi
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}
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# Creates and installs a desktop entry file according to
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# https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-1.1.html
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# Name, Comment, Exec, TryExec and Icon are initialized automatically.
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# Categories may be initialized depending on 'find_desktop_file_category'.
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#
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# Arguments: all fields of the desktop entry spec, e.g. 'Name=myname'
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# Side-effects: installs the desktop entry via 'here_desktop_entry'
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# Inspection: $PN, $SUMMARY
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# Errors: on invalid arguments
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install_desktop_entry() {
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local Name=${PN}
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local Comment=${SUMMARY}
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local Exec=${PN}
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local TryExec=
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local Icon=${PN}
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local Categories=$(find_desktop_file_category)
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local OtherValidFields=( Version GenericName NoDisplay Hidden OnlyShowIn
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NotShowIn DBusActivatable Path Terminal Actions MimeType Implements
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Keywords StartupNotify StartupWMClass )
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local AddFields=
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while [[ $# -gt 0 ]] ; do
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case $1 in
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Name=*) Name=${1##*=} ; shift ;;
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Comment=*) Comment=${1##*=} ; shift ;;
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Exec=*) Exec=${1##*=} ; shift ;;
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TryExec=*) TryExec=${1##*=} ; shift ;;
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Icon=*) Icon=${1##*=} ; shift ;;
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Categories=*) Categories=${1##*=} ; shift ;;
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*=*)
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if has ${1%%=*} ${OtherValidFields[@]} ; then
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AddFields+="\n${1}"
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shift
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else
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die "invalid argument \"${1}\"!"
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fi
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;;
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*) die "invalid argument \"${1}\"!" ;;
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esac
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done
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TryExec=${TryExec:-${Exec%% *}}
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here_desktop_entry ${PN}-${Exec// /_}.desktop << EOF
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[Desktop Entry]
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Name=${Name}
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Type=Application
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Comment=${Comment}
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Exec=${Exec}
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TryExec=${TryExec}
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Icon=${Icon}
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Categories=${Categories}$(echo -ne ${AddFields})
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EOF
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}
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# Tries to guess the desktop file category according to ${CATEGORY}
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# and puts it to stdout.
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#
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# Arguments: none
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# Side-effects: stdout
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# Inspection: $CATEGORY
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# Errors: no
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find_desktop_file_category() {
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# see https://specifications.freedesktop.org/menu-spec/latest/apa.html
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local maincat=
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# see https://specifications.freedesktop.org/menu-spec/latest/apas02.html
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local subcat=
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case ${CATEGORY} in
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games*) maincat="Game"
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case ${CATEGORY##*-} in
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action) subcat="ActionGame" ;;
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adventure) subcat="AdventureGame" ;;
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arcade) subcat="ArcadeGame" ;;
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board) subcat="BoardGame" ;;
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fps) subcat="Shooter" ;;
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simulation) subcat="Simulation" ;;
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sports) subcat="SportsGame" ;;
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strategy) subcat="StrategyGame" ;;
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*) ;;
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esac
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;;
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*) ;;
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esac
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[[ -n ${maincat} ]] && echo -n "${maincat};"
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[[ -n ${subcat} ]] && echo -n "${subcat};"
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}
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