strip file times to make tarballs more reproducible

oras-project · Sep 26, 2019 · c55cb0f · c55cb0f
1 parent 281ff98
commit c55cb0f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/content/utils.go b/pkg/content/utils.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	digest "github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
@@ -55,6 +56,9 @@ func tarDirectory(root, prefix string, w io.Writer) error {
 		header.Gid = 0
 		header.Uname = ""
 		header.Gname = ""
+		header.ModTime = time.Time{}
+		header.AccessTime = time.Time{}
+		header.ChangeTime = time.Time{}
 
 		// Write file
 		if err := tw.WriteHeader(header); err != nil {