Helper alias.

  $ alias resolve=-antigen-resolve-bundle-url

Complete urls.

  $ resolve https://github.com/zsh-users/antigen.git
  https://github.com/zsh-users/antigen.git
  $ resolve git://github.com/zsh-users/antigen.git
  git://github.com/zsh-users/antigen.git
  $ resolve git@github.com:zsh-users/antigen.git
  git@github.com:zsh-users/antigen.git

Just username and repo name.

  $ resolve zsh-users/antigen
  https://github.com/zsh-users/antigen.git
  $ resolve zsh-users/antigen.git
  https://github.com/zsh-users/antigen.git

Local absolute file path.

  $ resolve /path/to/a/local/git/repo
  /path/to/a/local/git/repo