1 files changed, 30 insertions, 0 deletions
diff --git a/python/mozbuild/mozbuild/action/dump_env.py b/python/mozbuild/mozbuild/action/dump_env.py
new file mode 100644
index 0000000000..ec178700eb
--- /dev/null
+++ b/python/mozbuild/mozbuild/action/dump_env.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# We invoke a Python program to dump our environment in order to get
+# native paths printed on Windows so that these paths can be incorporated
+# into Python configure's environment.
+import os
+import sys
+
+sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
+
+from shellutil import quote
+
+
+def environ():
+    # We would use six.ensure_text but the global Python isn't guaranteed to have
+    # the correct version of six installed.
+    def ensure_text(s):
+        if sys.version_info > (3, 0) or isinstance(s, unicode):
+            # os.environ always returns string keys and values in Python 3.
+            return s
+        else:
+            return s.decode("utf-8")
+
+    return [(ensure_text(k), ensure_text(v)) for (k, v) in os.environ.items()]
+
+
+for key, value in environ():
+    print("%s=%s" % (key, quote(value)))