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path: root/_examples/azure_devops/main.go
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package main

import (
	"fmt"
	"os"

	git "github.com/go-git/go-git/v5"
	. "github.com/go-git/go-git/v5/_examples"
	"github.com/go-git/go-git/v5/plumbing/protocol/packp/capability"
	"github.com/go-git/go-git/v5/plumbing/transport"
	"github.com/go-git/go-git/v5/plumbing/transport/http"
)

func main() {
	CheckArgs("<url>", "<directory>", "<azuredevops_username>", "<azuredevops_password>")
	url, directory, username, password := os.Args[1], os.Args[2], os.Args[3], os.Args[4]

	// Clone the given repository to the given directory
	Info("git clone %s %s", url, directory)

	// Azure DevOps requires capabilities multi_ack / multi_ack_detailed,
	// which are not fully implemented and by default are included in
	// transport.UnsupportedCapabilities.
	//
	// The initial clone operations require a full download of the repository,
	// and therefore those unsupported capabilities are not as crucial, so
	// by removing them from that list allows for the first clone to work
	// successfully.
	//
	// Additional fetches will yield issues, therefore work always from a clean
	// clone until those capabilities are fully supported.
	//
	// New commits and pushes against a remote worked without any issues.
	transport.UnsupportedCapabilities = []capability.Capability{
		capability.ThinPack,
	}

	r, err := git.PlainClone(directory, false, &git.CloneOptions{
		Auth: &http.BasicAuth{
			Username: username,
			Password: password,
		},
		URL:      url,
		Progress: os.Stdout,
	})
	CheckIfError(err)

	// ... retrieving the branch being pointed by HEAD
	ref, err := r.Head()
	CheckIfError(err)
	// ... retrieving the commit object
	commit, err := r.CommitObject(ref.Hash())
	CheckIfError(err)

	fmt.Println(commit)
}