feat: add support for GitLab repositories

cmd/rp/cmd/run.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -9,6 +10,7 @@ import (
 	"github.com/apricote/releaser-pleaser/internal/commitparser/conventionalcommits"
 	"github.com/apricote/releaser-pleaser/internal/forge"
 	"github.com/apricote/releaser-pleaser/internal/forge/github"
+	"github.com/apricote/releaser-pleaser/internal/forge/gitlab"
 	"github.com/apricote/releaser-pleaser/internal/updater"
 	"github.com/apricote/releaser-pleaser/internal/versioning"
 )
@@ -39,6 +41,8 @@ func init() {
 func run(cmd *cobra.Command, _ []string) error {
 	ctx := cmd.Context()
 
+	var err error
+
 	logger.DebugContext(ctx, "run called",
 		"forge", flagForge,
 		"branch", flagBranch,
@@ -53,9 +57,18 @@ func run(cmd *cobra.Command, _ []string) error {
 		BaseBranch: flagBranch,
 	}
 
-	switch flagForge { // nolint:gocritic // Will become a proper switch once gitlab is added
-	// case "gitlab":
-	// f = rp.NewGitLab(forgeOptions)
+	switch flagForge {
+	case "gitlab":
+		logger.DebugContext(ctx, "using forge GitLab")
+		f, err = gitlab.New(logger, &gitlab.Options{
+			Options: forgeOptions,
+			Path:    flagOwner,
+			Repo:    flagRepo,
+		})
+		if err != nil {
+			logger.ErrorContext(ctx, "failed to create client", "err", err)
+			return fmt.Errorf("failed to create gitlab client: %w", err)
+		}
 	case "github":
 		logger.DebugContext(ctx, "using forge GitHub")
 		f = github.New(logger, &github.Options{
@@ -63,6 +76,8 @@ func run(cmd *cobra.Command, _ []string) error {
 			Owner:   flagOwner,
 			Repo:    flagRepo,
 		})
+	default:
+		return fmt.Errorf("unknown --forge: %s", flagForge)
 	}
 
 	extraFiles := parseExtraFiles(flagExtraFiles)