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https://github.com/storytold/craft-launcher.git
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Mex
0b3097c7d2
* Respect managed AppImage desktop integration and refresh icon caches * fix: preserve customized AppImage desktop executables Enhance entry refresh logic to preserve customized fields. * test: cover custom and ambiguous AppImage executables
105 lines
4.4 KiB
Bash
Executable File
105 lines
4.4 KiB
Bash
Executable File
#!/bin/sh
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# ArtCraft Launcher AppImage entry point (packaging/linux/AppRun; installed by package.sh).
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#
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# On Wayland the compositor resolves a window's dock icon by taking the window's
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# app_id (ai.storyteller.artcraft-launcher) and looking up an installed .desktop file.
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# An AppImage installs nothing, so every AppImage run would otherwise show the
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# generic "Wayland" icon. Best-effort desktop integration: on first run
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# (and whenever the AppImage's path changes) install the .desktop entry and the
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# hicolor icons into $XDG_DATA_HOME, then launch. Every failure here must leave
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# the launch untouched. AppImage managers can opt out with DESKTOPINTEGRATION=1,
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# and users with ARTCRAFT_LAUNCHER_NO_DESKTOP_INTEGRATION=1.
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set -u
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APPDIR="$(dirname "$(readlink -f "$0")")"
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DESK_ID=ai.storyteller.artcraft-launcher
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integrate() {
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case "${ARTCRAFT_LAUNCHER_NO_DESKTOP_INTEGRATION:-}" in
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1 | true | yes) return 0 ;;
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esac
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case "${DESKTOPINTEGRATION:-}" in
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1 | true | yes) return 0 ;;
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esac
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# The AppImage runtime exports $APPIMAGE; without it (an extracted AppDir) there
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# is no path to register and nothing to do.
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appimage="${APPIMAGE:-}"
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[ -n "$appimage" ] && [ -f "$appimage" ] || return 0
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appimage="$(readlink -f "$appimage")" || return 0
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# Exec= is parsed by the desktop: a path holding a quote, backquote, dollar, backslash,
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# percent or a line break would need escaping (or could add lines), so skip integration.
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case "$appimage" in
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*[\"\`\$\\%]* | *'
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'*) return 0 ;;
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esac
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home="${HOME:-}"
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[ -n "$home" ] || return 0
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data="${XDG_DATA_HOME:-$home/.local/share}"
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src_desktop="$APPDIR/usr/share/applications/$DESK_ID.desktop"
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[ -f "$src_desktop" ] || return 0
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# Rewrite Exec to this AppImage (the binary is not on the host PATH) and drop
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# TryExec, which would hide the entry; everything else is shipped as packaged.
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apps="$data/applications"
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mkdir -p "$apps" 2>/dev/null || return 0
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tmp="$apps/.$DESK_ID.tmp.$$"
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esc="$(printf '%s' "$appimage" | sed 's/[\\&|]/\\&/g')"
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if sed -e "s|^Exec=.*|Exec=\"$esc\"|" -e '/^TryExec=/d' "$src_desktop" 2>/dev/null >"$tmp" &&
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printf '%s\n' "X-ArtCraft-Launcher-Generated-Exec=\"$appimage\"" >>"$tmp"; then
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if cmp -s "$tmp" "$apps/$DESK_ID.desktop"; then
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rm -f "$tmp"
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elif [ ! -e "$apps/$DESK_ID.desktop" ] && [ ! -L "$apps/$DESK_ID.desktop" ] || own_entry "$apps/$DESK_ID.desktop"; then
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if mv -f "$tmp" "$apps/$DESK_ID.desktop" 2>/dev/null; then
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command -v update-desktop-database >/dev/null 2>&1 && update-desktop-database "$apps" >/dev/null 2>&1
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else
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rm -f "$tmp"
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fi
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else
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# Keep manager metadata and user changes, including a custom Exec environment.
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rm -f "$tmp"
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fi
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else
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rm -f "$tmp"
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return 0
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fi
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# Icons: per-file compare so an unchanged install costs a handful of cmp calls.
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src_icons="$APPDIR/usr/share/icons/hicolor"
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[ -d "$src_icons" ] || return 0
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icons="$data/icons/hicolor"
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(cd "$src_icons" && find . -type f) | {
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changed=false
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while IFS= read -r rel; do
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mkdir -p "$icons/$(dirname "$rel")" 2>/dev/null || continue
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if ! cmp -s "$src_icons/$rel" "$icons/$rel"; then
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if cp "$src_icons/$rel" "$icons/$rel" 2>/dev/null; then
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changed=true
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fi
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fi
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done
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if [ "$changed" = true ] && command -v gtk-update-icon-cache >/dev/null 2>&1; then
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# A per-user hicolor directory need not have index.theme; -t permits that.
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gtk-update-icon-cache -f -t "$icons" >/dev/null 2>&1 || true
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fi
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}
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}
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# Refresh only an unchanged entry whose Exec still matches the executable we wrote.
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# Unmarked legacy entries and customized or ambiguous executable fields are preserved.
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own_entry() {
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[ -f "$1" ] && [ ! -L "$1" ] || return 1
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[ "$(grep -c '^Exec=' "$1")" = 1 ] || return 1
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[ "$(grep -c '^X-ArtCraft-Launcher-Generated-Exec=' "$1")" = 1 ] || return 1
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grep -Eq '^Exec="/[^"`$\\%]+"$' "$1" || return 1
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existing_exec="$(sed -n 's/^Exec=//p' "$1")" || return 1
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generated_exec="$(sed -n 's/^X-ArtCraft-Launcher-Generated-Exec=//p' "$1")" || return 1
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[ "$existing_exec" = "$generated_exec" ] || return 1
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expected_body="$(sed -e '/^Exec=/d' -e '/^TryExec=/d' "$src_desktop")" || return 1
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existing_body="$(sed -e '/^Exec=/d' -e '/^X-ArtCraft-Launcher-Generated-Exec=/d' "$1")" || return 1
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[ "$expected_body" = "$existing_body" ]
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}
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integrate
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exec "$APPDIR/usr/bin/artcraft-launcher" "$@"
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