src/server/pkg/cmdutil/cobra.go
func ParseBranches(args []string) ([]*pfs.Branch, error) {
	var results []*pfs.Branch
	for _, arg := range args {
		branch, err := ParseBranch(arg)
		if err != nil {
			return nil, err
		}
		results = append(results, branch)
	}
	return results, nil
}
func ParseBranches(args []string) ([]*pfs.Branch, error) {
	var results []*pfs.Branch
	for _, arg := range args {
		branch, err := ParseBranch(arg)
		if err != nil {
			return nil, err
		}
		results = append(results, branch)
	}
	return results, nil
}
// ParseBranches converts all arguments to *pfs.Commit structs using the
// semantics of ParseBranch