paddles: add info about pull request branches

Signed-off-by: Kyr Shatskyy <kyrylo.shatskyy@suse.com>

diff --git a/roles/paddles/README.rst b/roles/paddles/README.rst
index a98b4d1ea16b36d1dad4ed823e717df7a051b52e..60f495f49f848c6d56b8be6a6d435b44fcb4228b 100644 (file)
--- a/roles/paddles/README.rst
+++ b/roles/paddles/README.rst
@@ -41,7 +41,9 @@ Variables
 
 ``paddles_repo``: Optionally override the paddles git repo - not relevant for containers
 
-``paddles_branch``: Optionally override the paddles repo branch
+``paddles_branch``: Optionally override the paddles repo branch.
+For GitHub pull requests it is also possible to use refs/pull/X/merge or refs/pull/X/head
+instead of branch.
 
 ``log_host``: The host where teuthology logs are stored