bitbake/fetch2: Fix the problems introduced by the git fetcher AUTOREV fix

The ordering constrains on the urldata_init functions are not straight
forward. To avoid further problems, create a helper function to setup
the source revisions which the init functions can all at the appropriate
point.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/hg.py

@@ -57,6 +57,8 @@ class Hg(FetchMethod):
         ud.pkgdir = os.path.join(data.expand('${HGDIR}', d), ud.host, relpath)
         ud.moddir = os.path.join(ud.pkgdir, ud.module)
 
+        ud.setup_revisons(d)
+
         if 'rev' in ud.parm:
             ud.revision = ud.parm['rev']
         elif not ud.revision: