feat: Add support for UNIX-specific tar info

cmd/stfs-metadata/main.go

@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"context"
 	"database/sql"
-	"encoding/json"
 	"flag"
 	"fmt"
 	"io"
@@ -118,11 +117,6 @@ func main() {
 				break
 			}
 
-			paxRecords, err := json.Marshal(hdr.PAXRecords)
-			if err != nil {
-				panic(err)
-			}
-
 			dbhdr := &models.Header{
 				Typeflag:   int64(hdr.Typeflag),
 				Name:       hdr.Name,
@@ -138,7 +132,6 @@ func main() {
 				Changetime: hdr.ChangeTime,
 				Devmajor:   hdr.Devmajor,
 				Devminor:   hdr.Devminor,
-				Paxrecords: string(paxRecords),
 				Format:     int64(hdr.Format),
 				Record:     int64(record),
 				Block:      int64(i),

cmd/stfs-uvf/main.go

@@ -9,7 +9,10 @@ import (
 	"os"
 	"path/filepath"
 	"syscall"
+	"time"
 	"unsafe"
+
+	"golang.org/x/sys/unix"
 )
 
 // See https://github.com/benmcclelland/mtio
@@ -90,6 +93,24 @@ func main() {
 			return err
 		}
 
+		hdr.Format = tar.FormatGNU // Required for AccessTime, ChangeTime etc.
+
+		var unixStat syscall.Stat_t
+		if err := syscall.Stat(path, &unixStat); err != nil {
+			return err
+		}
+
+		mtimesec, mtimensec := unixStat.Mtim.Unix()
+		atimesec, atimensec := unixStat.Atim.Unix()
+		ctimesec, ctimensec := unixStat.Ctim.Unix()
+
+		hdr.ModTime = time.Unix(mtimesec, mtimensec)
+		hdr.AccessTime = time.Unix(atimesec, atimensec)
+		hdr.ChangeTime = time.Unix(ctimesec, ctimensec)
+
+		hdr.Devmajor = int64(unix.Major(unixStat.Dev))
+		hdr.Devminor = int64(unix.Minor(unixStat.Dev))
+
 		hdr.Name = path
 
 		log.Println(hdr)
@@ -98,7 +119,6 @@ func main() {
 			return err
 		}
 
-		// Skip writing non-regular files
 		if !info.Mode().IsRegular() {
 			return nil
 		}