app integration support

nix/image/scripts/integration

@@ -1,4 +1,18 @@
-#!/bin/sh 
+#!/bin/nu
 
-cd $WEBROOT/build/integration
-./run.sh "$@"
+def main [feature: path, ...rest] {
+    mut feature = $feature;
+    mut workdir = $"($env.WEBROOT)/build/integration"
+    if ($feature | str starts-with "apps/") {
+        let parts = $feature | split row '/'
+        occ app:enable $parts.1
+        let parts = $feature | split row -n 2 '/features/'
+        $workdir = $parts.0
+        $feature = $"features/($parts.1)"
+    } else if ($feature | str starts-with "build/integration/") {
+        $feature = $feature | str replace "build/integration/" ""
+    }
+
+    cd $workdir
+    bash run.sh $feature ...$rest
+}