% git checkout
tags in context :completion::complete:git::
    argument-rest  (_arguments _git)
tags in context :completion::complete:git-checkout::
    argument-rest options  (_arguments _git-checkout _call_function _git)
tags in context :completion::complete:git-checkout:argument-rest:
    remote branches tree-ishs modified-files  (_alternative _git-checkout _call_function _git)
    remote-branch-names-noprefix              (__git_remote_branch_names_noprefix _alternative _git-checkout _call_function _git)
    heads commit-tags commit-objects          (_alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    heads-local                               (__git_heads_local __git_heads _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    heads-remote                              (__git_heads_remote __git_heads _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    commit-tags                               (__git_tags_of_type __git_commit_tags _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    commit-tags                               (__git_recent_commits __git_commit_objects_prefer_recent _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    heads                                     (__git_recent_commits __git_commit_objects_prefer_recent _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    commits                                   (_describe __git_recent_commits __git_commit_objects_prefer_recent _alternative __git_commits __git_tree_ishs _alternative _git-checkout _call_function _git)
    modified-files                            (__git_files __git_modified_files _alternative _git-checkout _call_function _git)