Add OpenWritable to fs interfaces

2 files changed, 10 insertions, 8 deletions

diff --git a/backup/backup_test.go b/backup/backup_test.go
index 67fbb6a..da14117 100644
--- a/backup/backup_test.go
+++ b/backup/backup_test.go
@@ -49,13 +49,13 @@ func mkfile(t *testing.T, d fs.Dir, name string, exec bool, content []byte) {
 		t.Fatalf("Could not create file %s: %s", name, err)
 	}
 
-	rwc, err := f.Open()
+	wc, err := f.OpenWritable()
 	if err != nil {
 		t.Fatalf("Could not create file %s: %s", name, err)
 	}
-	defer rwc.Close()
+	defer wc.Close()
 
-	if _, err := rwc.Write(content); err != nil {
+	if _, err := wc.Write(content); err != nil {
 		t.Fatalf("Could not create file %s: %s", name, err)
 	}
 }
diff --git a/backup/restore.go b/backup/restore.go
index 6a03200..3a384a9 100644
--- a/backup/restore.go
+++ b/backup/restore.go
@@ -7,6 +7,7 @@ import (
 	"code.laria.me/petrific/storage"
 	"fmt"
 	"io"
+	"math/rand"
 	"os"
 )
 
@@ -48,21 +49,22 @@ func RestoreDir(s storage.Storage, id objects.ObjectId, root fs.Dir) error {
 	for name, file_info := range tree {
 		switch file_info.Type() {
 		case objects.TETFile:
-			tmpname := fmt.Sprintf(".petrific-%d-%s", os.Getpid(), id)
+			tmpname := fmt.Sprintf(".petrific-%d-%08x%08x%08x%08x", os.Getpid(), rand.Uint32(), rand.Uint32(), rand.Uint32(), rand.Uint32())
 			new_file, err := root.CreateChildFile(tmpname, execBitFromACL(file_info.ACL()))
 			if err != nil {
 				return err
 			}
-			rwc, err := new_file.Open()
+
+			wc, err := new_file.OpenWritable()
 			if err != nil {
 				return err
 			}
 
-			if err := RestoreFile(s, file_info.(objects.TreeEntryFile).Ref, rwc); err != nil {
-				rwc.Close()
+			if err := RestoreFile(s, file_info.(objects.TreeEntryFile).Ref, wc); err != nil {
+				wc.Close()
 				return err
 			}
-			rwc.Close()
+			wc.Close()
 
 			if err := root.RenameChild(tmpname, name); err != nil {
 				return err