[rb] make it easier to call rake tasks from commandline

Author: titusfortner

go

@@ -6,5 +6,22 @@ unset GEM_PATH
 
 JAVA_OPTS="-client -Xmx4096m -XX:ReservedCodeCacheSize=512m -XX:MetaspaceSize=1024m --add-modules java.se --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang.reflect=ALL-UNNAMED --add-opens java.base/javax.crypto=ALL-UNNAMED"
 
-java $JAVA_OPTS -jar third_party/jruby/jruby-complete.jar -X-C -S rake $*
+# The first argument is alwaysthe Rake task name
+task="$1"
+
+# Shift the task off and get the remaining arguments
+shift
+
+# Leave task alone if already passing in arguments the normal way
+if [[ "$task" != *[*]* ]]; then
+  # Combine remaining arguments into a single string, clean up spaces after commas, and replace spaces with commas
+  args=$(IFS=' '; echo "$*" | sed -e 's/,[ ]*/,/g' -e 's/ /,/g')
+
+# If there are any arguments, format them as task[arg1,arg2,...]
+  if [ -n "$args" ]; then
+    task="$task[$args]"
+  fi
+fi
+
+java $JAVA_OPTS -jar third_party/jruby/jruby-complete.jar -X-C -S rake $task