feat: exec command implementation

.golangci.yml

@@ -79,6 +79,7 @@ linters:
     - nolintlint
     - wrapcheck
     - varnamelen
+    - recvcheck
 
   fast: false
   mnd:

Makefile

@@ -39,7 +39,7 @@ clean:
 	rm -f terragrunt
 
 install-lint:
-	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.61.0
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
 
 run-lint:
 	golangci-lint run -v --timeout=10m ./...

cli/app.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"path/filepath"
 	"sort"
+	"strings"
 
 	"github.com/gruntwork-io/terragrunt/engine"
 	"github.com/gruntwork-io/terragrunt/internal/os/exec"
@@ -19,6 +20,7 @@ import (
 
 	"github.com/gruntwork-io/terragrunt/cli/commands/graph"
 	"github.com/gruntwork-io/terragrunt/cli/commands/hclvalidate"
+	"github.com/gruntwork-io/terragrunt/cli/flags"
 
 	"github.com/gruntwork-io/terragrunt/cli/commands/scaffold"
 
@@ -31,9 +33,9 @@ import (
 	hashicorpversion "github.com/hashicorp/go-version"
 
 	"github.com/gruntwork-io/go-commons/env"
-	"github.com/gruntwork-io/terragrunt/cli/commands"
 	awsproviderpatch "github.com/gruntwork-io/terragrunt/cli/commands/aws-provider-patch"
 	"github.com/gruntwork-io/terragrunt/cli/commands/catalog"
+	execCmd "github.com/gruntwork-io/terragrunt/cli/commands/exec"
 	graphdependencies "github.com/gruntwork-io/terragrunt/cli/commands/graph-dependencies"
 	"github.com/gruntwork-io/terragrunt/cli/commands/hclfmt"
 	outputmodulegroups "github.com/gruntwork-io/terragrunt/cli/commands/output-module-groups"
@@ -68,9 +70,7 @@ func NewApp(opts *options.TerragruntOptions) *App {
 	app.Writer = opts.Writer
 	app.ErrWriter = opts.ErrWriter
 
-	app.Flags = append(
-		commands.NewGlobalFlags(opts),
-		NewDeprecatedFlags(opts)...)
+	app.Flags = flags.NewGlobalFlags(opts)
 
 	app.Commands = append(
 		DeprecatedCommands(opts),
@@ -134,13 +134,39 @@ func (app *App) RunContext(ctx context.Context, args []string) error {
 		}
 	}(ctx)
 
+	args = removeNoColorFlagDuplicates(args)
+
 	if err := app.App.RunContext(ctx, args); err != nil && !errors.IsContextCanceled(err) {
 		return err
 	}
 
 	return nil
 }
 
+// removeNoColorFlagDuplicates removes one of the `--no-color` or `--terragrunt-no-color` arguments if both are present.
+// We have to do this because `--terragrunt-no-color` is a deprecated alias for `--no-color`,
+// therefore we end up specifying the same flag twice, which causes the `setting the flag multiple times` error.
+func removeNoColorFlagDuplicates(args []string) []string {
+	var ( //nolint:prealloc
+		foundNoColor bool
+		filteredArgs []string
+	)
+
+	for _, arg := range args {
+		if strings.HasSuffix(arg, "-"+flags.NoColorFlagName) {
+			if foundNoColor {
+				continue
+			}
+
+			foundNoColor = true
+		}
+
+		filteredArgs = append(filteredArgs, arg)
+	}
+
+	return filteredArgs
+}
+
 // TerragruntCommands returns the set of Terragrunt commands.
 func TerragruntCommands(opts *options.TerragruntOptions) cli.Commands {
 	cmds := cli.Commands{
@@ -156,6 +182,7 @@ func TerragruntCommands(opts *options.TerragruntOptions) cli.Commands {
 		scaffold.NewCommand(opts),           // scaffold
 		graph.NewCommand(opts),              // graph
 		hclvalidate.NewCommand(opts),        // hclvalidate
+		execCmd.NewCommand(opts),            // exec
 	}
 
 	sort.Sort(cmds)
@@ -270,6 +297,12 @@ func initialSetup(cliCtx *cli.Context, opts *options.TerragruntOptions) error {
 		args = append([]string{cmdName}, args...)
 	}
 
+	// Since Terragrunt and Terraform have the same `-no-color` flag,
+	// if a user specifies `-no-color` for Terragrunt, we should propagate it to Terraform as well.
+	if opts.DisableLogColors {
+		args = append(args, terraform.FlagNameNoColor)
+	}
+
 	opts.TerraformCommand = cmdName
 	opts.TerraformCliArgs = args