Add support for Gitlab in command

command/env.go

@@ -8,4 +8,10 @@ type Env struct {
 	// GitHubToken is a personal access token for GitHub.
 	// This allows access to a private repository.
 	GitHubToken string `envconfig:"GITHUB_TOKEN"`
+	// GitLabBaseURL is a URL for GitLab API requests.
+	// Defaults to the public GitLab API.
+	GitLabBaseURL string `envconfig:"GITLAB_BASE_URL" default:"https://gitlab.com/api/v4/"`
+	// GitLabToken is a personal access token for GitLab.
+	// This is needed for public and private projects on all instances.
+	GitLabToken string `envconfig:"GITLAB_TOKEN"`
 }

command/meta.go

@@ -33,6 +33,12 @@ func newRelease(sourceType string, source string) (release.Release, error) {
 			Token:   env.GitHubToken,
 		}
 		return release.NewGitHubRelease(source, config)
+	case "gitlab":
+		config := release.GitLabConfig{
+			BaseURL: env.GitLabBaseURL,
+			Token:   env.GitLabToken,
+		}
+		return release.NewGitLabRelease(source, config)
 	default:
 		return nil, fmt.Errorf("failed to new release data source. unknown type: %s", sourceType)
 	}

command/release_latest.go

@@ -3,7 +3,6 @@ package command
 import (
 	"context"
 	"fmt"
-	"os"
 	"strings"
 
 	flag "github.com/spf13/pflag"
@@ -39,22 +38,6 @@ func (c *ReleaseLatestCommand) Run(args []string) int {
 		c.UI.Error(err.Error())
 		return 1
 	}
-	// else if GitLab (flag?)
-	token := os.Getenv("GITLAB_API_TOKEN")
-	if token == "" {
-		c.UI.Error(fmt.Sprintf("Could not set GitLab API token from env var GITLAB_API_TOKEN."))
-		c.UI.Error(c.Help())
-		return 1
-	}
-	// ok: create gitlabrelease
-	r, err = release.NewGitLabRelease(owner, repo, token)
-	if err != nil {
-		c.UI.Error(err.Error())
-		return 1
-	}
-	// if custom url (flag) url = ...
-	//r.SetGitLabURL(url)
-	// end gitlab if
 
 	v, err := r.Latest(context.Background())
 	if err != nil {
@@ -74,13 +57,15 @@ Usage: tfupdate release latest [options] <SOURCE>
 Arguments
   SOURCE             A path of release data source.
                      Valid format depends on --source-type option.
-                     - github:
+                       - github or gitlab:
                          owner/repo
                          e.g. terraform-providers/terraform-provider-aws
 
 Options:
   -s  --source-type  A type of release data source.
-                     Valid value is only github. (default: github)
+                     Valid values are
+                       - github (default)
+                       - gitlab
 `
 	return strings.TrimSpace(helpText)
 }