Inspect hosted assets against build manifests

delivery_assets.go

@@ -0,0 +1,39 @@
+package releasekit
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"gitea.maximumdirect.net/eric/ReleaseKit/internal/gitea"
+)
+
+func declaredBuildAssets(result BuildResult) ([]gitea.ExpectedAsset, error) {
+	assets := make([]gitea.ExpectedAsset, 0, len(result.Artifacts)+1)
+	for _, artifact := range result.Artifacts {
+		if filepath.Base(artifact.Path) != artifact.Filename {
+			return nil, fmt.Errorf("build artifact path %q does not end with filename %q", artifact.Path, artifact.Filename)
+		}
+		info, err := os.Stat(artifact.Path)
+		if err != nil {
+			return nil, fmt.Errorf("inspect build artifact %q: %w", artifact.Filename, err)
+		}
+		if !info.Mode().IsRegular() {
+			return nil, fmt.Errorf("build artifact %q is not a regular file", artifact.Filename)
+		}
+		assets = append(assets, gitea.ExpectedAsset{
+			Filename: artifact.Filename,
+			SHA256:   artifact.SHA256,
+			Size:     info.Size(),
+			Path:     artifact.Path,
+		})
+	}
+	manifest, err := gitea.BuildManifest(assets)
+	if err != nil {
+		return nil, fmt.Errorf("build checksum manifest: %w", err)
+	}
+	if manifest.Filename != "" {
+		assets = append(assets, manifest)
+	}
+	return assets, nil
+}