Move platform specific code to different files

node.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"os/user"
 	"strconv"
 	"syscall"
 	"time"
@@ -57,52 +56,6 @@ func (node Node) Tree() *Tree {
 	return node.tree
 }
 
-func (node *Node) fill_extra(path string, fi os.FileInfo) (err error) {
-	stat, ok := fi.Sys().(*syscall.Stat_t)
-	if !ok {
-		return
-	}
-
-	node.ChangeTime = time.Unix(stat.Ctim.Unix())
-	node.AccessTime = time.Unix(stat.Atim.Unix())
-	node.UID = stat.Uid
-	node.GID = stat.Gid
-
-	// TODO: cache uid lookup
-	if u, nil := user.LookupId(strconv.Itoa(int(stat.Uid))); err == nil {
-		node.User = u.Username
-	}
-
-	// TODO: implement getgrnam() or use https://github.com/kless/osutil
-	// if g, nil := user.LookupId(strconv.Itoa(int(stat.Uid))); err == nil {
-	// 	node.User = u.Username
-	// }
-
-	node.Inode = stat.Ino
-
-	switch node.Type {
-	case "file":
-		node.Size = uint64(stat.Size)
-		node.Links = stat.Nlink
-	case "dir":
-		// nothing to do
-	case "symlink":
-		node.LinkTarget, err = os.Readlink(path)
-	case "dev":
-		node.Device = stat.Rdev
-	case "chardev":
-		node.Device = stat.Rdev
-	case "fifo":
-		// nothing to do
-	case "socket":
-		// nothing to do
-	default:
-		panic(fmt.Sprintf("invalid node type %q", node.Type))
-	}
-
-	return err
-}
-
 func NodeFromFileInfo(path string, fi os.FileInfo) (*Node, error) {
 	node := GetNode()
 	node.path = path
@@ -203,11 +156,11 @@ func CreateNodeAt(node *Node, m *Map, s Server, path string) error {
 			return arrar.Annotate(err, "Lchown")
 		}
 
-		f, err := os.OpenFile(path, O_PATH|syscall.O_NOFOLLOW, 0600)
-		defer f.Close()
-		if err != nil {
-			return arrar.Annotate(err, "OpenFile")
-		}
+		// f, err := os.OpenFile(path, O_PATH|syscall.O_NOFOLLOW, 0600)
+		// defer f.Close()
+		// if err != nil {
+		// 	return arrar.Annotate(err, "OpenFile")
+		// }
 
 		// TODO: Get Futimes() working on older Linux kernels (fails with 3.2.0)
 		// var utimes = []syscall.Timeval{
@@ -221,17 +174,17 @@ func CreateNodeAt(node *Node, m *Map, s Server, path string) error {
 
 		return nil
 	case "dev":
-		err := syscall.Mknod(path, syscall.S_IFBLK|0600, int(node.Device))
+		err := node.createDevAt(path)
 		if err != nil {
 			return arrar.Annotate(err, "Mknod")
 		}
 	case "chardev":
-		err := syscall.Mknod(path, syscall.S_IFCHR|0600, int(node.Device))
+		err := node.createCharDevAt(path)
 		if err != nil {
 			return arrar.Annotate(err, "Mknod")
 		}
 	case "fifo":
-		err := syscall.Mkfifo(path, 0600)
+		err := node.createFifoAt(path)
 		if err != nil {
 			return arrar.Annotate(err, "Mkfifo")
 		}

node_darwin.go

@@ -0,0 +1,19 @@
+package restic
+
+import "os"
+
+func (node *Node) fill_extra(path string, fi os.FileInfo) error {
+	return nil
+}
+
+func (node *Node) createDevAt(path string) error {
+	return nil
+}
+
+func (node *Node) createCharDevAt(path string) error {
+	return nil
+}
+
+func (node *Node) createFifoAt(path string) error {
+	return nil
+}

node_linux.go

@@ -0,0 +1,68 @@
+package restic
+
+import (
+	"fmt"
+	"os"
+	"os/user"
+	"strconv"
+	"syscall"
+	"time"
+)
+
+func (node *Node) fill_extra(path string, fi os.FileInfo) (err error) {
+	stat, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return
+	}
+
+	node.ChangeTime = time.Unix(stat.Ctim.Unix())
+	node.AccessTime = time.Unix(stat.Atim.Unix())
+	node.UID = stat.Uid
+	node.GID = stat.Gid
+
+	// TODO: cache uid lookup
+	if u, nil := user.LookupId(strconv.Itoa(int(stat.Uid))); err == nil {
+		node.User = u.Username
+	}
+
+	// TODO: implement getgrnam() or use https://github.com/kless/osutil
+	// if g, nil := user.LookupId(strconv.Itoa(int(stat.Uid))); err == nil {
+	// 	node.User = u.Username
+	// }
+
+	node.Inode = stat.Ino
+
+	switch node.Type {
+	case "file":
+		node.Size = uint64(stat.Size)
+		node.Links = stat.Nlink
+	case "dir":
+		// nothing to do
+	case "symlink":
+		node.LinkTarget, err = os.Readlink(path)
+	case "dev":
+		node.Device = stat.Rdev
+	case "chardev":
+		node.Device = stat.Rdev
+	case "fifo":
+		// nothing to do
+	case "socket":
+		// nothing to do
+	default:
+		panic(fmt.Sprintf("invalid node type %q", node.Type))
+	}
+
+	return err
+}
+
+func (node *Node) createDevAt(path string) error {
+	return syscall.Mknod(path, syscall.S_IFBLK|0600, int(node.Device))
+}
+
+func (node *Node) createCharDevAt(path string) error {
+	return syscall.Mknod(path, syscall.S_IFCHR|0600, int(node.Device))
+}
+
+func (node *Node) createFifoAt(path string) error {
+	return syscall.Mkfifo(path, 0600)
+}

node_windows.go

@@ -0,0 +1,19 @@
+package restic
+
+import "os"
+
+func (node *Node) fill_extra(path string, fi os.FileInfo) error {
+	return nil
+}
+
+func (node *Node) createDevAt(path string) error {
+	return nil
+}
+
+func (node *Node) createCharDevAt(path string) error {
+	return nil
+}
+
+func (node *Node) createFifoAt(path string) error {
+	return nil
+}