Split up main package into multiple files

remote.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"log"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/config"
+	githttp "github.com/go-git/go-git/v5/plumbing/transport/http"
+)
+
+func pushRepo(repo *git.Repository, remoteUrl *string, auth *githttp.BasicAuth) {
+	if _, err := createRemote(repo, defaultRemoteName, *remoteUrl); err != nil {
+		log.Fatalf("%s", err)
+	}
+	if err := push(auth, repo, defaultRemoteName); err != nil {
+		if err == git.NoErrAlreadyUpToDate {
+			log.Println("Already up-to-date")
+		} else {
+			log.Fatalf("%s", err)
+		}
+	} else {
+		log.Println("Pushed changes to remote")
+	}
+}
+
+func createRemote(
+	repo *git.Repository,
+	remote string,
+	url string,
+) (*git.Remote, error) {
+	newRemote, err := repo.Remote(remote)
+	if err != nil {
+		log.Printf("Creating new git remote %s with URL %s", remote, url)
+		return repo.CreateRemote(&config.RemoteConfig{
+			Name: remote,
+			URLs: []string{url},
+		})
+	} else {
+		log.Printf("Using remote %s with URL %s", remote, url)
+	}
+
+	return newRemote, nil
+}
+
+func push(
+	auth *githttp.BasicAuth,
+	r *git.Repository,
+	remote string,
+) error {
+	return r.Push(&git.PushOptions{
+		RemoteName: remote,
+		Auth:       auth,
+	})
+}