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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/object"
)
func prepareRepo(w *git.Worktree, directory string) {
// We need a known state of files inside the worktree for testing revert a modify and delete
Info("echo \"hello world! Modify\" > for-modify")
err := ioutil.WriteFile(filepath.Join(directory, "for-modify"), []byte("hello world! Modify"), 0644)
CheckIfError(err)
Info("git add for-modify")
_, err = w.Add("for-modify")
CheckIfError(err)
Info("echo \"hello world! Delete\" > for-delete")
err = ioutil.WriteFile(filepath.Join(directory, "for-delete"), []byte("hello world! Delete"), 0644)
CheckIfError(err)
Info("git add for-delete")
_, err = w.Add("for-delete")
CheckIfError(err)
Info("git commit -m \"example go-git 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)
}
// An example of how to restore AKA unstage files
func main() {
CheckArgs("<directory>")
directory := os.Args[1]
// Opens an already existing repository.
r, err := git.PlainOpen(directory)
CheckIfError(err)
w, err := r.Worktree()
CheckIfError(err)
prepareRepo(w, directory)
// Perform the operation and stage them
Info("echo \"hello world! Modify 2\" > for-modify")
err = ioutil.WriteFile(filepath.Join(directory, "for-modify"), []byte("hello world! Modify 2"), 0644)
CheckIfError(err)
Info("git add for-modify")
_, err = w.Add("for-modify")
CheckIfError(err)
Info("echo \"hello world! Add\" > for-add")
err = ioutil.WriteFile(filepath.Join(directory, "for-add"), []byte("hello world! Add"), 0644)
CheckIfError(err)
Info("git add for-add")
_, err = w.Add("for-add")
CheckIfError(err)
Info("rm for-delete")
err = os.Remove(filepath.Join(directory, "for-delete"))
CheckIfError(err)
Info("git add for-delete")
_, err = w.Add("for-delete")
CheckIfError(err)
// We can verify the current status of the worktree using the method Status.
Info("git status --porcelain")
status, err := w.Status()
CheckIfError(err)
fmt.Println(status)
// Unstage a single file and see the status
Info("git restore --staged for-modify")
err = w.Restore(&git.RestoreOptions{Staged: true, Files: []string{"for-modify"}})
CheckIfError(err)
Info("git status --porcelain")
status, err = w.Status()
CheckIfError(err)
fmt.Println(status)
// Unstage the other 2 files and see the status
Info("git restore --staged for-add for-delete")
err = w.Restore(&git.RestoreOptions{Staged: true, Files: []string{"for-add", "for-delete"}})
CheckIfError(err)
Info("git status --porcelain")
status, err = w.Status()
CheckIfError(err)
fmt.Println(status)
}
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