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package main
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/go-git/go-git/v5"
. "github.com/go-git/go-git/v5/_examples"
"github.com/go-git/go-git/v5/plumbing/format/config"
"github.com/go-git/go-git/v5/plumbing/object"
)
// This example requires building with the sha256 tag for it to work:
// go run -tags sha256 main.go /tmp/repository
// Basic example of how to initialise a repository using sha256 as the hashing algorithmn.
func main() {
CheckArgs("<directory>")
directory := os.Args[1]
os.RemoveAll(directory)
// Init a new repository using the ObjectFormat SHA256.
r, err := git.PlainInitWithOptions(directory, &git.PlainInitOptions{ObjectFormat: config.SHA256})
CheckIfError(err)
w, err := r.Worktree()
CheckIfError(err)
// ... we need a file to commit so let's create a new file inside of the
// worktree of the project using the go standard library.
Info("echo \"hello world!\" > example-git-file")
filename := filepath.Join(directory, "example-git-file")
err = ioutil.WriteFile(filename, []byte("hello world!"), 0644)
CheckIfError(err)
// Adds the new file to the staging area.
Info("git add example-git-file")
_, err = w.Add("example-git-file")
CheckIfError(err)
// Commits the current staging area to the repository, with the new file
// just created. We should provide the object.Signature of Author of the
// commit Since version 5.0.1, we can omit the Author signature, being read
// from the git config files.
Info("git commit -m \"example go-git commit\"")
commit, err := w.Commit("example go-git commit", &git.CommitOptions{
Author: &object.Signature{
Name: "John Doe",
Email: "john@doe.org",
When: time.Now(),
},
})
CheckIfError(err)
// Prints the current HEAD to verify that all worked well.
Info("git show -s")
obj, err := r.CommitObject(commit)
CheckIfError(err)
fmt.Println(obj)
}
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