[PATCH] fetch/hg: Disable checksums for archived downloads

[Ash Charles <ashcharles@gmail.com>]

Like the Git fetcher, the Mercurial fetcher shouldn't expect recipes to
provide a checksum.  As described [1], recipes using a mercurial
fetcher that don't provide a checksum will fail in a the repository has
previously been downloaded and archived.

Credit to Rafaël Carré for figuring out the bug.

[1] https://www.mail-archive.com/openembedded-devel@lists.openembedded.org/msg41328.html

Signed-off-by: Ash Charles <ashcharles@gmail.com>
---
 bitbake/lib/bb/fetch2/hg.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bitbake/lib/bb/fetch2/hg.py b/bitbake/lib/bb/fetch2/hg.py
index 81592f6..cab371f 100644
--- a/bitbake/lib/bb/fetch2/hg.py
+++ b/bitbake/lib/bb/fetch2/hg.py
@@ -43,6 +43,13 @@ class Hg(FetchMethod):
         """
         return ud.type in ['hg']
 
+    def supports_checksum(self, urldata):
+        """
+        Don't require checksums for local archives created from
+        repository checkouts.
+        """ 
+        return False
+
     def urldata_init(self, ud, d):
         """
         init hg specific variable within url data
-- 
2.1.4