BUILD: appimage - append +qwurl %u to exec entry in desktop file, the…

… uri should be passed in as first argument regardless but it would appear under some circumstances this doesn't happen. depending on how the desktop file is being processed it may or may not use the path variable properly, in which case fallback to directory of appimage file. (#870)

asdf

misc/appimage/appimage-manual_creation.sh

@@ -37,7 +37,11 @@ int main(){
 
 QUAKE_SCRIPT='#!/usr/bin/env bash
 export LD_LIBRARY_PATH="${APPIMAGE_LIBRARY_PATH}:${APPDIR}/usr/lib:${LD_LIBRARY_PATH}"
-cd "$OWD"
+if [ ! -e "$OWD/id1" ];then
+	cd "$(dirname "$APPIMAGE")"
+else
+	cd "$OWD"
+fi
 "${APPDIR}/usr/bin/test"  >/dev/null 2>&1 |:
 FAIL=${PIPESTATUS[0]}
 if [ $FAIL -eq 0 ];then
@@ -49,11 +53,10 @@ else
 	"${APPDIR}/usr/lib-override/ld-linux-'$ARCHDASH'.so.2" "${APPDIR}/usr/bin/ezquake-linux-'$ARCH'" $*
 fi
 exitstatus=$?
-
 if [ $exitstatus -eq 0 ];then
 	#fix qwurl association if set for appimage
 	grep -q "^Exec=/tmp/.mount_" "${HOME}/.local/share/applications/qw-url-handler.desktop" && \
-		sed -i "s|^Exec=.*|Exec=${APPIMAGE}|g" "${HOME}/.local/share/applications/qw-url-handler.desktop"
+		sed -i "s|^Exec=.*|Exec=${APPIMAGE} +qwurl %u|g" "${HOME}/.local/share/applications/qw-url-handler.desktop"
 fi
 exit $exitstatus
 '