Allow empty DESKTOP_COMMENT

Modify DESKTOP_COMMENT assignment to prevent failure if grep finds no matches.

Author: probonopd

code/worker.sh

@@ -446,7 +446,7 @@ sudo chmod a+x appstreamcli-x86_64.AppImage
   echo "" >> apps/$INPUTBASENAME.md
   echo "permalink: /$INPUTBASENAME/" >> apps/$INPUTBASENAME.md
   # Description
-  DESKTOP_COMMENT=$(grep "^Comment=.*" database/$INPUTBASENAME/*.desktop | cut -d '=' -f 2- )
+  DESKTOP_COMMENT=$(grep "^Comment=.*" database/$INPUTBASENAME/*.desktop | cut -d '=' -f 2- ) || true
   if [ -f database/$INPUTBASENAME/*appdata.xml ] ; then
     ./appstreamcli-x86_64.AppImage convert database/$INPUTBASENAME/*appdata.xml database/$INPUTBASENAME/appdata.yaml
     SUMMARY=$(cat database/$INPUTBASENAME/*appdata.xml | xmlstarlet sel -t -m "/component/summary[1]" -v .) || true