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-rw-r--r--_examples/sha256/main.go66
1 files changed, 66 insertions, 0 deletions
diff --git a/_examples/sha256/main.go b/_examples/sha256/main.go
new file mode 100644
index 0000000..2a257e8
--- /dev/null
+++ b/_examples/sha256/main.go
@@ -0,0 +1,66 @@
+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)
+}