```go
package main

import (
    "fmt"
    "log"
    "os"

    "github.com/celicoo/docli"
)

var doc = `
usage: git [--version] [--help] [-C <path>] [-c <name>=<value>]
           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p | --paginate | --no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           <command> [<args>]

These are common Git commands used in various situations:

start a working area (see also: git help tutorial)
    clone      Clone a repository into a new directory
    init       Create an empty Git repository or reinitialize an existing one

work on the current change (see also: git help everyday)
    add        Add file contents to the index
    mv         Move or rename a file, a directory, or a symlink
    reset      Reset current HEAD to the specified state
    rm         Remove files from the working tree and from the index

examine the history and state (see also: git help revisions)
    bisect     Use binary search to find the commit that introduced a bug
    grep       Print lines matching a pattern
    log        Show commit logs
    show       Show various types of objects
    status     Show the working tree status

grow, mark and tweak your common history
    branch     List, create, or delete branches
    checkout   Switch branches or restore working tree files
    commit     Record changes to the repository
    diff       Show changes between commits, commit and working tree, etc
    merge      Join two or more development histories together
    rebase     Reapply commits on top of another base tip
    tag        Create, list, delete or verify a tag object signed with GPG

collaborate (see also: git help workflows)
    fetch      Download objects and refs from another repository
    pull       Fetch from and integrate with another repository or a local branch
    push       Update remote refs along with associated objects

'git help -a' and 'git help -g' list available subcommands and some
concept guides. See 'git help <command>' or 'git help <concept>'
to read about a specific subcommand or concept.
`

type Git struct {
    Clone,
    Init,
    Add,
    Mv,
    Reset,
    Rm,
    Bisect,
    Grep,
    Log,
    Show,
    Status,
    Branch,
    Checkout,
    Commit,
    Diff,
    Merge,
    Rebase,
    Tag,
    Fetch,
    Pull,
    Push bool
}

func main() {
    args, err := docli.Parse(doc)
    if err != nil {
        log.Fatal(err)
    }

    var git Git
    args.Bind(&git)
    if git.Init {
        pwd, _ := os.Getwd()
        fmt.Printf("Initialized empty Git repository in %s\n", pwd)
    }
}
```