Function createOrUpdateBranchesFromOrigin

git-p4.py:1216–1260

(localRefPrefix="refs/remotes/p4/", silent=True)

def createOrUpdateBranchesFromOrigin(localRefPrefix="refs/remotes/p4/", silent=True):
    if not silent:
        print("Creating/updating branch(es) in %s based on origin branch(es)"
               % localRefPrefix)

    originPrefix = "origin/p4/"

    for line in read_pipe_lines(["git", "rev-parse", "--symbolic", "--remotes"]):
        line = line.strip()
        if (not line.startswith(originPrefix)) or line.endswith("HEAD"):
            continue

        headName = line[len(originPrefix):]
        remoteHead = localRefPrefix + headName
        originHead = line

        original = extractSettingsGitLog(extractLogMessageFromGitCommit(originHead))
        if 'depot-paths' not in original or 'change' not in original:
            continue

        update = False
        if not gitBranchExists(remoteHead):
            if verbose:
                print("creating %s" % remoteHead)
            update = True
        else:
            settings = extractSettingsGitLog(extractLogMessageFromGitCommit(remoteHead))
            if 'change' in settings:
                if settings['depot-paths'] == original['depot-paths']:
                    originP4Change = int(original['change'])
                    p4Change = int(settings['change'])
                    if originP4Change > p4Change:
                        print("%s (%s) is newer than %s (%s). "
                               "Updating p4 branch from origin."
                               % (originHead, originP4Change,
                                  remoteHead, p4Change))
                        update = True
                else:
                    print("Ignoring: %s was imported from %s while "
                           "%s was imported from %s"
                           % (originHead, ','.join(original['depot-paths']),
                              remoteHead, ','.join(settings['depot-paths'])))

        if update:
            system(["git", "update-ref", remoteHead, originHead])


def originP4BranchesExist():