fix: using externals results in endless loop

related to the changes with target dir in recent release; calls to
external packages now use -d option

README.md

@@ -130,7 +130,7 @@ so existing comments will get lost on the way.
 Show the **help** screen.
 
 ## Configuration
-#### `.deloreanrc.json`
+### `.deloreanrc.json`
 The configuration file required by **delorean**.
 Contains options for setting JSON-keys available with Sencha's Ext JS `package.json` / `app.json` that should be used
 for determining the JavaScript-source files for transpiling.
@@ -149,10 +149,10 @@ for determining the JavaScript-source files for transpiling.
     "builds": [
       "desktop", "shared"
     ],
-  "externals": [
-    "./node_modules/@lib/externalpackage",
-    "./packages/local/math"
-  ]
+    "externals": [
+      "./node_modules/@lib/externalpackage",
+      "./packages/local/math"
+    ]
 }
 ```
 

bin/bin.js

@@ -326,11 +326,11 @@ const processExternals = (revert) => {
             if (revert === true) {
                 log(chalk.green(`${cfgExternal} has .deloreanrc.json, reverting...`));
                 log(chalk.yellow(quote()));
-                cmd = `npx --prefix ${cfgExternal} delorean -r`;
+                cmd = `npx --prefix ${cfgExternal} delorean -r -d ${cfgExternal}`;
             } else {
                 log(chalk.green(`${cfgExternal} has .deloreanrc.json, preparing...`));
                 log(chalk.yellow(quote()));
-                cmd = `npx --prefix ${cfgExternal} delorean -p`;
+                cmd = `npx --prefix ${cfgExternal} delorean -p -d ${cfgExternal}`;
             }