diff options
| -rwxr-xr-x | scripts/combo-layer | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/scripts/combo-layer b/scripts/combo-layer index 5d61fb1c16..b0b7c28bea 100755 --- a/scripts/combo-layer +++ b/scripts/combo-layer @@ -731,6 +731,10 @@ def apply_patchlist(conf, repos): if line: patchlist.append(line) + ldir = conf.repos[name]['local_repo_dir'] + branch = conf.repos[name].get('branch', "master") + branchrev = runcmd("git rev-parse %s" % branch, ldir).strip() + if patchlist: logger.info("Applying patches from %s..." % name) linecount = len(patchlist) @@ -758,11 +762,28 @@ def apply_patchlist(conf, repos): sys.exit(0) prevrev = lastrev i += 1 + # Once all patches are applied, we should update + # last_revision to the branch head instead of the last + # applied patch. The two are not necessarily the same when + # the last commit is a merge commit or when the patches at + # the branch head were intentionally excluded. + # + # If we do not do that for a merge commit, the next + # combo-layer run will only exclude patches reachable from + # one of the merged branches and try to re-apply patches + # from other branches even though they were already + # copied. + # + # If patches were intentionally excluded, the next run will + # present them again instead of skipping over them. This + # may or may not be intended, so the code here is conservative + # and only addresses the "head is merge commit" case. + if lastrev != branchrev and \ + len(runcmd("git show --pretty=format:%%P --no-patch %s" % branch, ldir).split()) > 1: + lastrev = branchrev else: logger.info("No patches to apply from %s" % name) - ldir = conf.repos[name]['local_repo_dir'] - branch = conf.repos[name].get('branch', "master") - lastrev = runcmd("git rev-parse %s" % branch, ldir).strip() + lastrev = branchrev if lastrev != repo['last_revision']: conf.update(name, "last_revision", lastrev) |