Add node to build on freebsd.

Also note that inode is 32 bit in go freebsd stat struct. Assumed
to be 64bit in restic.

node.go

@@ -341,7 +341,7 @@ func (node *Node) isNewer(path string, fi os.FileInfo) bool {
 
 	if node.ModTime != fi.ModTime() ||
 		node.ChangeTime != changeTime(extendedStat) ||
-		node.Inode != inode ||
+		node.Inode != uint64(inode) ||
 		node.Size != size {
 		debug.Log("node.isNewer", "node %v is newer: timestamp, size or inode changed", path)
 		return true
@@ -396,7 +396,7 @@ func (node *Node) fillExtra(path string, fi os.FileInfo) error {
 		return nil
 	}
 
-	node.Inode = stat.Ino
+	node.Inode = uint64(stat.Ino)
 
 	node.fillTimes(stat)
 

node_freebsd.go

@@ -0,0 +1,24 @@
+package restic
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func (node *Node) OpenForReading() (*os.File, error) {
+	file, err := os.OpenFile(node.path, os.O_RDONLY, 0)
+	if os.IsPermission(err) {
+		return os.OpenFile(node.path, os.O_RDONLY, 0)
+	}
+	return file, err
+}
+
+func (node *Node) fillTimes(stat *syscall.Stat_t) {
+	node.ChangeTime = time.Unix(stat.Ctimespec.Unix())
+	node.AccessTime = time.Unix(stat.Atimespec.Unix())
+}
+
+func changeTime(stat *syscall.Stat_t) time.Time {
+	return time.Unix(stat.Ctimespec.Unix())
+}