get_versions: switch on versioneer.VCS

warner · warner · commit 6a2d6554cde3 · 2014-03-22T00:05:56.000-07:00
diff --git a/src/cmdclass.py b/src/cmdclass.py
@@ -40,6 +40,7 @@ def run(self):
             _build_exe.run(self)
             os.unlink(target_versionfile)
             f = open(versionfile_source, "w")
+            assert VCS is not None, "please set versioneer.VCS"
             LONG = LONG_VERSION_PY[VCS]
             f.write(LONG % {"DOLLAR": "$",
                             "TAG_PREFIX": tag_prefix,
@@ -84,6 +85,7 @@ def finalize_options(self):
     def run(self):
         print(" creating %s" % versionfile_source)
         f = open(versionfile_source, "w")
+        assert VCS is not None, "please set versioneer.VCS"
         LONG = LONG_VERSION_PY[VCS]
         f.write(LONG % {"DOLLAR": "$",
                         "TAG_PREFIX": tag_prefix,
diff --git a/src/get_versions.py b/src/get_versions.py
@@ -10,6 +10,8 @@ def get_versions(default=DEFAULT, verbose=False):
     assert versionfile_source is not None, "please set versioneer.versionfile_source"
     assert tag_prefix is not None, "please set versioneer.tag_prefix"
     assert parentdir_prefix is not None, "please set versioneer.parentdir_prefix"
+    assert VCS is not None, "please set versioneer.VCS"
+
     # I am in versioneer.py, which must live at the top of the source tree,
     # which we use to compute the root directory. py2exe/bbfreeze/non-CPython
     # don't have __file__, in which case we fall back to sys.argv[0] (which
@@ -24,8 +26,11 @@ def get_versions(default=DEFAULT, verbose=False):
     # tarball/zipball created by 'git archive' or github's download-from-tag
     # feature.
 
-    ver = git_versions_from_keywords(git_get_keywords(versionfile_abs),
-                                     tag_prefix)
+    if VCS == "git":
+        ver = git_versions_from_keywords(git_get_keywords(versionfile_abs),
+                                         tag_prefix)
+    else:
+        ver = None
     if ver:
         if verbose: print("got version from expanded keyword %s" % ver)
         return ver
@@ -35,7 +40,10 @@ def get_versions(default=DEFAULT, verbose=False):
         if verbose: print("got version from file %s %s" % (versionfile_abs,ver))
         return ver
 
-    ver = git_versions_from_vcs(tag_prefix, root, verbose)
+    if VCS == "git":
+        ver = git_versions_from_vcs(tag_prefix, root, verbose)
+    else:
+        ver = None
     if ver:
         if verbose: print("got version from git %s" % ver)
         return ver
