Resolve prebuilt assets from the selected module

internal/artifact/artifact.go

@@ -3,11 +3,24 @@ package artifact
 
 import (
 	"fmt"
+	"path/filepath"
 	"strings"
 )
 
 const ManifestFilename = "SHA256SUMS"
 
+// OutputDirectory resolves build output and prebuilt asset directories from
+// the absolute selected module directory.
+func OutputDirectory(moduleDir, directory string) string {
+	if directory == "" {
+		directory = "dist"
+	}
+	if !filepath.IsAbs(directory) {
+		directory = filepath.Join(moduleDir, directory)
+	}
+	return filepath.Clean(directory)
+}
+
 type Target struct {
 	OS   string
 	Arch string

internal/build/build.go

@@ -113,11 +113,11 @@ func BuildResolved(ctx context.Context, request Request) (Result, error) {
 	}
 
 	if len(result.Targets) == 0 {
-		result.OutputDir = resolvedOutputDir(moduleDir, request.OutputDir)
+		result.OutputDir = artifact.OutputDirectory(moduleDir, request.OutputDir)
 		return result, nil
 	}
 
-	result.OutputDir = resolvedOutputDir(moduleDir, request.OutputDir)
+	result.OutputDir = artifact.OutputDirectory(moduleDir, request.OutputDir)
 	declarations := artifact.ExpectedBuild(settings.BinaryName, identity.Version, settings.Targets)
 	filenames := make([]string, len(declarations))
 	for i, declaration := range declarations {
@@ -204,19 +204,6 @@ func BuildResolved(ctx context.Context, request Request) (Result, error) {
 	return result, nil
 }
 
-func resolvedOutputDir(moduleDir, outputDir string) string {
-	if outputDir == "" {
-		outputDir = filepath.Join(moduleDir, "dist")
-	} else if !filepath.IsAbs(outputDir) {
-		outputDir = filepath.Join(moduleDir, outputDir)
-	}
-	resolved, err := filepath.Abs(outputDir)
-	if err != nil {
-		return filepath.Clean(outputDir)
-	}
-	return resolved
-}
-
 func gitCommit(ctx context.Context, repositoryDir string) (string, error) {
 	command := exec.CommandContext(ctx, "git", "-C", repositoryDir, "rev-parse", "--verify", "HEAD^{commit}")
 	output, err := command.Output()