tarball: Use repo name only if more descriptive

For github URLs, only use the repo name as the package name if it's more
descriptive than what was extracted from the tarball name. Otherwise,
filter off prefix "release-" or a numeric suffix.

Signed-off-by: Brett T. Warden <brett.t.warden@intel.com>

autospec/tarball.py

@@ -340,7 +340,12 @@ def name_and_version(name_arg, version_arg, filemanager):
             m = re.search(pattern, url)
             if m:
                 repo = m.group(2).strip()
-                name = repo
+                if repo not in name:
+                    # Only take the repo name as the package name if it's more descriptive
+                    name = repo
+                elif name != repo:
+                    name = re.sub("release-", '', name)
+                    name = re.sub("\d*$", '', name)
                 rawname = name
                 version = convert_version(m.group(3))
                 giturl = "https://github.com/" + m.group(1).strip() + "/" + repo + ".git"