Bug 1259782 - Define zip archive path prefix argument; r=ted

To support generating zip archives with more flexibility.

MozReview-Commit-ID: LmAgAXUfn3x

--HG--
extra : rebase_source : 2b9ddbda0c3dab2a498b2fc217e728a9cfefc134

build/docs/toolchains.rst

@@ -48,9 +48,12 @@ Be sure to follow these install instructions:
    (should be ``Tools (1.2)...`` and the ``Windows 10 SDK``).
 
 Once Visual Studio 2015 Community has been installed, from a checkout
-of mozilla-central, run the following to produce a ZIP archive::
+of mozilla-central, run something like the following to produce a ZIP
+archive::
 
-   $ ./mach python build/windows_toolchain.py create-zip vs2015.zip
+   $ ./mach python build/windows_toolchain.py create-zip vs2015u2
+
+The produced archive will be the argument to ``create-zip`` + ``.zip``.
 
 Firefox for Android with Gradle
 ===============================

build/windows_toolchain.py

@@ -237,13 +237,13 @@ def write_zip(zip_path, prefix=None):
 
 if __name__ == '__main__':
     if len(sys.argv) != 3:
-        print('usage: %s create-zip <filename.zip>' % sys.argv[0])
+        print('usage: %s create-zip <path-prefix>' % sys.argv[0])
         sys.exit(1)
 
     assert sys.argv[1] == 'create-zip'
-    destzip = sys.argv[2]
-    # TODO make prefix a CLI argument
-    write_zip(destzip, prefix='vs2015u1')
+    prefix = os.path.basename(sys.argv[2])
+    destzip = '%s.zip' % sys.argv[2]
+    write_zip(destzip, prefix=prefix)
 
     sha1 = hashlib.sha1()
     sha256 = hashlib.sha256()