Auto detect cicdOrigin (#12)

Auto detect cicdOrigin

Author: deroke

gitprovider/github_adapter.go

@@ -92,3 +92,7 @@ func (a *githubAdapter) createPullRequest(source glow.Branch, target glow.Branch
 func (a *githubAdapter) GetCIBranch() (glow.Branch, error) {
 	return nil, errors.New("not implemented")
 }
+
+func (a *githubAdapter) DetectCICDOrigin() (string, error) {
+	return "", errors.New("not implemented")
+}

gitprovider/gitlab_adapter.go

@@ -98,3 +98,26 @@ func (a *gitlabAdapter) GetCIBranch() (glow.Branch, error) {
 	branch, err := glow.NewBranch(branchName)
 	return branch, errors.Wrap(err, "error get ci branch")
 }
+
+func (a *gitlabAdapter) DetectCICDOrigin() (string, error) {
+	gitProviderURL := a.endpoint
+	gitUser := os.Getenv("CI_GIT_USER")
+	gitToken := os.Getenv("CI_GIT_TOKEN")
+
+	if gitUser != "" && gitToken != "" {
+		endpointURL, err := url.Parse(a.endpoint)
+		if err != nil {
+			return "", errors.Wrap(err, "couldn't parse gitLab endpoint")
+		}
+
+		gitProviderURL = fmt.Sprintf(
+			"%s://%s:%s@%s",
+			endpointURL.Scheme, gitUser, gitToken, endpointURL.Host,
+		)
+	}
+
+	return fmt.Sprintf(
+		"%s/%s/%s.git",
+		gitProviderURL, a.namespace, a.project,
+	), nil
+}

gitprovider/logging.go

@@ -43,3 +43,13 @@ func (s *loggingService) GetCIBranch() (branch glow.Branch, err error) {
 	}()
 	return s.next.GetCIBranch()
 }
+
+func (s *loggingService) DetectCICDOrigin() (cicdOrigin string, err error) {
+	defer func() {
+		l.Log().WithFields(logrus.Fields{
+			"cicdOrigin": cicdOrigin,
+			"error":      err,
+		}).Info()
+	}()
+	return s.next.DetectCICDOrigin()
+}

gitprovider/service.go

@@ -11,6 +11,7 @@ import (
 type Service interface {
 	Close(b glow.Branch) error
 	Publish(b glow.Branch) error
+	DetectCICDOrigin() (string, error)
 	GetCIBranch() (glow.Branch, error)
 }
 

pkg/cli/cmd/root.go

@@ -13,11 +13,12 @@ import (
 )
 
 var rootCmdOptions struct {
-	Author     string
-	GitPath    string
-	CICDOrigin string
-	CI         bool
-	SkipChecks bool
+	Author           string
+	GitPath          string
+	CICDOrigin       string
+	DetectCICDOrigin bool
+	CI               bool
+	SkipChecks       bool
 }
 
 var logger kitlog.Logger
@@ -32,6 +33,17 @@ var rootCmd = &cobra.Command{
 			util.ExitOnError(err)
 
 			util.ExitOnError(g.SetCICDOrigin(rootCmdOptions.CICDOrigin))
+		} else if rootCmdOptions.DetectCICDOrigin {
+			g, err := util.GetGitClient()
+			util.ExitOnError(err)
+
+			gp, err := util.GetGitProvider()
+			util.ExitOnError(err)
+
+			cicdOrigin, err := gp.DetectCICDOrigin()
+			util.ExitOnError(err)
+
+			util.ExitOnError(g.SetCICDOrigin(cicdOrigin))
 		}
 	},
 }
@@ -48,6 +60,7 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&rootCmdOptions.Author, "author", "a", "", "name of the author")
 	rootCmd.PersistentFlags().StringVar(&rootCmdOptions.GitPath, "gitPath", "/usr/local/bin/git", "path to native git installation")
 	rootCmd.PersistentFlags().StringVar(&rootCmdOptions.CICDOrigin, "cicdOrigin", "", "provide a git origin url where a pipeline can push things via token")
+	rootCmd.PersistentFlags().BoolVar(&rootCmdOptions.DetectCICDOrigin, "detectCicdOrigin", false, "auto detect a git origin url where a pipeline can push things via token")
 	rootCmd.PersistentFlags().BoolVar(&rootCmdOptions.CI, "ci", false, "detects if command is running in a ci")
 	rootCmd.PersistentFlags().BoolVar(&rootCmdOptions.SkipChecks, "skipChecks", false, "skip checks like accidentally creating git-flow branches from wrong source branch")
 	viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))