scripts/combo-layer: specify branch when getting current revision

Handle the case during update where the configured branch is not
currently checked out in the component repository by just specifying
it in the places where it was not previously.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/scripts/combo-layer b/scripts/combo-layer
index 448fe71cd9..330faca389 100755
--- a/scripts/combo-layer
+++ b/scripts/combo-layer
@@ -191,7 +191,7 @@ def action_init(conf, args):
             branch = repo.get('branch', "master")
             file_filter = repo.get('file_filter', "")
             runcmd("git archive %s | tar -x -C %s %s" % (branch, extract_dir, file_filter), ldir)
-            lastrev = runcmd("git rev-parse HEAD", ldir).strip()
+            lastrev = runcmd("git rev-parse %s" % branch, ldir).strip()
             conf.update(name, "last_revision", lastrev, initmode=True)
         runcmd("git add .")
         if conf.localconffile:
@@ -475,7 +475,8 @@ def apply_patchlist(conf, repos):
         else:
             logger.info("No patches to apply from %s" % name)
             ldir = conf.repos[name]['local_repo_dir']
-            lastrev = runcmd("git rev-parse HEAD", ldir).strip()
+            branch = conf.repos[name].get('branch', "master")
+            lastrev = runcmd("git rev-parse %s" % branch, ldir).strip()
 
         if lastrev != repo['last_revision']:
             conf.update(name, "last_revision", lastrev)