chore: clean up pug path code

internal/app/helpers_test.go

@@ -93,7 +93,7 @@ func cleanupArtefacts(workdir string, opts setupOptions) {
 		}
 		if d.IsDir() {
 			switch d.Name() {
-			case ".terraform", ".pug":
+			case ".terraform", internal.PugDirectory:
 				os.RemoveAll(path)
 				return fs.SkipDir
 			}

internal/module/module.go

@@ -62,6 +62,7 @@ func New(workdir internal.Workdir, path string) *Module {
 	return mod
 }
 
+// FullPath returns the absolute path to the module.
 func (m *Module) FullPath() string {
 	return filepath.Join(m.Workdir.String(), m.Path)
 }

internal/pug.go

@@ -0,0 +1,5 @@
+package internal
+
+// PugDirectory is the name of the directory in which pug artefacts are
+// persisted.
+const PugDirectory = ".pug"

internal/run/service.go

@@ -291,7 +291,7 @@ func (s *Service) createTask(run *Run, opts task.CreateOptions) (*task.Task, err
 	if err != nil {
 		return nil, err
 	}
-	opts.Env = []string{workspace.TerraformEnv(ws.Name)}
+	opts.Env = []string{ws.TerraformEnv()}
 
 	mod, err := s.modules.Get(ws.ModuleID())
 	if err != nil {

internal/workspace/workspace.go

@@ -6,6 +6,7 @@ import (
 	"net/url"
 	"path/filepath"
 
+	"github.com/leg100/pug/internal"
 	"github.com/leg100/pug/internal/module"
 	"github.com/leg100/pug/internal/resource"
 )
@@ -36,23 +37,17 @@ func (ws *Workspace) ModuleID() resource.ID {
 }
 
 func (ws *Workspace) TerraformEnv() string {
-	return TerraformEnv(ws.Name)
+	return fmt.Sprintf("TF_WORKSPACE=%s", ws.Name)
 }
 
+// PugDirectory returns the workspace's pug directory, relative to its module
+// directory.
 func (ws *Workspace) PugDirectory() string {
-	return PugDirectory(ws.Name)
+	return filepath.Join(internal.PugDirectory, ws.Name)
 }
 
 func (ws *Workspace) LogValue() slog.Value {
 	return slog.GroupValue(
 		slog.String("name", ws.Name),
 	)
 }
-
-func PugDirectory(name string) string {
-	return filepath.Join(".pug", name)
-}
-
-func TerraformEnv(name string) string {
-	return fmt.Sprintf("TF_WORKSPACE=%s", name)
-}