toolchain: display proper error if the environ _DIR is not valid

2015-08-07 18:07:37 +02:00 · 2015-08-07 18:07:37 +02:00 · ee1b4dba0e
commit ee1b4dba0e
parent 9826a7cba0
1 changed files with 3 additions and 2 deletions
--- a/toolchain.py
+++ b/toolchain.py
@ -556,11 +556,12 @@ class Recipe(object):
        """Check if there is a variable name to specify a custom version /
        directory to use instead of the current url.
        """
-        d = environ.get("{}_DIR".format(self.name.upper()))
+        envname = "{}_DIR".format(self.name.upper())
+        d = environ.get(envname)
        if not d:
            return
        if not exists(d):
-            return
+            raise ValueError("Invalid path passed into {}".format(envname))
        return d

    @cache_execution