chore: refactoring

restic.go

@@ -27,33 +27,8 @@ func NewRestic(errb *bytes.Buffer, outb *bytes.Buffer, settings *Settings) *Rest
 	return r
 }
 
-func (r *Restic) core(
-	repository Repository,
-	cmd []string,
-	envs []string,
-	ctx *context.Context,
-	cancel *context.CancelFunc,
-	ch *chan string,
-) (string, error) {
-
-	cmds := []string{"-r", repository.Path, "--json"}
-	cmds = append(cmds, cmd...)
-	var sout bytes.Buffer
-	var serr bytes.Buffer
-	var c *exec.Cmd
-
-	if ctx != nil {
-		c = exec.CommandContext(*ctx, "/usr/bin/restic", cmds...)
-		if cancel != nil {
-
-			defer (*cancel)()
-		}
-	} else {
-		c = exec.Command("/usr/bin/restic", cmds...)
-	}
+func (r *Restic) PipeOutErr(c *exec.Cmd, sout *bytes.Buffer, serr *bytes.Buffer, ch *chan string) {
 	stdout, err := c.StdoutPipe()
-	stderr, err := c.StderrPipe()
-
 	if err == nil {
 		go func() {
 			scanner := bufio.NewScanner(stdout)
@@ -68,6 +43,13 @@ func (r *Restic) core(
 				sout.WriteString(scanner.Text())
 			}
 		}()
+
+	}
+
+	stderr, err := c.StderrPipe()
+
+	if err == nil {
+
 		go func() {
 			scanner := bufio.NewScanner(stderr)
 			scanner.Split(bufio.ScanLines)
@@ -82,7 +64,9 @@ func (r *Restic) core(
 			}
 		}()
 	}
+}
 
+func (r *Restic) getEnvs(repository Repository, envs []string) []string {
 	envs = append(
 		envs,
 		[]string{"RESTIC_PASSWORD=" + repository.Password, "RESTIC_PROGRESS_FPS=5"}...)
@@ -94,7 +78,6 @@ func (r *Restic) core(
 				"AWS_SECRET_ACCESS_KEY=" + repository.Options.S3Secret,
 			}...)
 	}
-
 	if repository.Type == "azure" {
 		envs = append(
 			envs,
@@ -113,15 +96,46 @@ func (r *Restic) core(
 				"GOOGLE_APPLICATION_CREDENTIALS=" + repository.Options.GoogleApplicationCredentials,
 			}...)
 	}
+	return envs
+
+}
+
+func (r *Restic) core(
+	repository Repository,
+	cmd []string,
+	envs []string,
+	ctx *context.Context,
+	cancel *context.CancelFunc,
+	ch *chan string,
+) (string, error) {
+
+	cmds := []string{"-r", repository.Path, "--json"}
+	cmds = append(cmds, cmd...)
+	var sout bytes.Buffer
+	var serr bytes.Buffer
+	var c *exec.Cmd
+
+	if ctx != nil {
+		c = exec.CommandContext(*ctx, "/usr/bin/restic", cmds...)
+		if cancel != nil {
+
+			defer (*cancel)()
+		}
+	} else {
+		c = exec.Command("/usr/bin/restic", cmds...)
+	}
+
+	r.PipeOutErr(c, &sout, &serr, ch)
 
+	envs = r.getEnvs(repository, envs)
 	log.Info("core", "repo", repository.Path, "cmd", cmd, "envs", envs)
 
 	c.Env = append(
 		os.Environ(),
 		envs...,
 	)
 
-	err = c.Start()
+	err := c.Start()
 	if err != nil {
 		log.Error("executing restic command", "err", err)
 	}