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package main
import (
"fmt"
"os"
"github.com/go-git/go-git/v5"
. "github.com/go-git/go-git/v5/_examples"
)
// Basic example of how to blame a repository.
func main() {
CheckArgs("<url>", "<file_to_blame>")
url := os.Args[1]
path := os.Args[2]
tmp, err := os.MkdirTemp("", "go-git-blame-*")
CheckIfError(err)
defer os.RemoveAll(tmp)
// Clone the given repository.
Info("git clone %s %s", url, tmp)
r, err := git.PlainClone(
tmp,
false,
&git.CloneOptions{
URL: url,
Tags: git.NoTags,
},
)
CheckIfError(err)
// Retrieve the branch's HEAD, to then get the HEAD commit.
ref, err := r.Head()
CheckIfError(err)
c, err := r.CommitObject(ref.Hash())
CheckIfError(err)
Info("git blame %s", path)
// Blame the given file/path.
br, err := git.Blame(c, path)
CheckIfError(err)
fmt.Printf("%s", br.String())
}
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