Use upstream slop repo in 'main' mode

trigger_copr

     esac
 }
 
+choose_urlbase() {
+    #
+    # Choose COPR project based on $Mode
+    #
+    case $Mode in
+        scratch) echo https://github.com/AloisMahdal/slop ;;
+        main)    echo https://github.com/naelstrof/slop ;;
+    esac
+}
+
 choose_relpfx() {
     #
     # Choose COPR project based on $Mode
     local Mode=scratch  # implies COPR project and release prefix
     which copr >/dev/null \
      || die "copr not found, try 'sudo install copr-cli'"
-    UrlBase=https://github.com/AloisMahdal/slop
     Tmp=$(mktemp -d)
     while true; do case $1 in
         -b) Branch=$2;      shift 2 || usage ;;
         *)            usage ;;
     esac
     test -n "$CoprProject" || CoprProject=$(choose_copr)
+    test -n "$UrlBase"     || UrlBase=$(choose_urlbase)
     if test -n "$Branch"; then
         die "not implemented"
         test -n "$Version" || Version=$(git_guess ver)