Allow development on any architecture (#3598)

Author: janiversen

ci/lib.sh

@@ -35,16 +35,16 @@ os() {
 }
 
 arch() {
-  case "$(uname -m)" in
+  cpu="$(uname -m)"
+  case "$cpu" in
   aarch64)
     echo arm64
     ;;
   x86_64 | amd64)
     echo amd64
     ;;
   *)
-    echo "unknown architecture $(uname -a)"
-    exit 1
+    echo "$cpu"
     ;;
   esac
 }