tests/hghave.py

--- a/tests/hghave.py	Thu Aug 25 01:00:54 2016 -0400
+++ b/tests/hghave.py	Thu Aug 25 01:25:52 2016 -0400
@@ -573,3 +573,7 @@
         return True
     except ImportError:
         return False
+
+@check("unziplinks", "unzip(1) understands and extracts symlinks")
+def unzip_understands_symlinks():
+    return matchoutput('unzip --help', br'Info-ZIP')