raise InconsistentWizardTagError(self.app_version.wizard_tag)
parent = repo_rev_parse(self.app_version.wizard_tag)
merge_base = shell.safeCall("git", "merge-base", parent, "HEAD", strip=True)
if merge_base != parent:
raise InconsistentWizardTagError(self.app_version.wizard_tag)
parent = repo_rev_parse(self.app_version.wizard_tag)
merge_base = shell.safeCall("git", "merge-base", parent, "HEAD", strip=True)
if merge_base != parent: