From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Mon, 20 Jul 2015 01:20:06 +0000 (-0400)
Subject: contrib/jwrapper: do not look for existing Nit libs if NIT_DIR is not set
X-Git-Tag: v0.7.7~18^2~7
X-Git-Url: http://nitlanguage.org

contrib/jwrapper: do not look for existing Nit libs if NIT_DIR is not set

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/contrib/jwrapper/src/model.nit b/contrib/jwrapper/src/model.nit
index 4248b42..b776186 100644
--- a/contrib/jwrapper/src/model.nit
+++ b/contrib/jwrapper/src/model.nit
@@ -172,6 +172,8 @@ class JavaType
 
 		var regex = "extern class [a-zA-Z1-9]\\\+[ ]\\\+in[ ]\\\+\"Java\"[ ]*`\{[ ]*" + self.to_s + "\\\+[ ]*`\}"
 		var nit_dir = "NIT_DIR".environ
+		if nit_dir.is_empty then return null
+
 		var grep = new ProcessReader("grep", "-r", regex, nit_dir/"lib/android/", nit_dir/"lib/java/")
 		var to_eat = ["private", "extern", "class"]