1 files changed, 30 insertions, 0 deletions
diff --git a/jps/standalone-builder/src/org/jetbrains/jps/idea/IdeaProjectLoader.java b/jps/standalone-builder/src/org/jetbrains/jps/idea/IdeaProjectLoader.java
new file mode 100644
index 000000000000..b392dcf15081
--- /dev/null
+++ b/jps/standalone-builder/src/org/jetbrains/jps/idea/IdeaProjectLoader.java
@@ -0,0 +1,30 @@
+package org.jetbrains.jps.idea;
+
+import groovy.lang.Script;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+/**
+ * @author max
+ */
+public class IdeaProjectLoader {
+  public static String guessHome(Script script) throws IOException, URISyntaxException {
+    String uri = (String)script.getProperty("gant.file");
+    File home = new File(new URI(uri).getSchemeSpecificPart());
+
+    while (home != null) {
+      if (home.isDirectory() && new File(home, ".idea").exists()) {
+        return home.getCanonicalPath();
+      }
+
+
+      home = home.getParentFile();
+    }
+
+
+    throw new IllegalArgumentException("Cannot guess project home from '" + uri + "'");
+  }
+}