Jelajahi Sumber

"extract" micro optimization: first check for regular files, then for directories, check for fifos late

regular files are most common, more than directories. fifos are rare.

was no big issue, the calls are cheap, but also no big issue to just fix the order.
Thomas Waldmann 10 tahun lalu
induk
melakukan
646cdca312
1 mengubah file dengan 11 tambahan dan 11 penghapusan
  1. 11 11
      borg/archive.py

+ 11 - 11
borg/archive.py

@@ -273,12 +273,7 @@ class Archive:
         except OSError:
             pass
         mode = item[b'mode']
-        if stat.S_ISDIR(mode):
-            if not os.path.exists(path):
-                os.makedirs(path)
-            if restore_attrs:
-                self.restore_attrs(path, item)
-        elif stat.S_ISREG(mode):
+        if stat.S_ISREG(mode):
             if not os.path.exists(os.path.dirname(path)):
                 os.makedirs(os.path.dirname(path))
             # Hard link?
@@ -300,11 +295,11 @@ class Archive:
                     fd.truncate(pos)
                     fd.flush()
                     self.restore_attrs(path, item, fd=fd.fileno())
-        elif stat.S_ISFIFO(mode):
-            if not os.path.exists(os.path.dirname(path)):
-                os.makedirs(os.path.dirname(path))
-            os.mkfifo(path)
-            self.restore_attrs(path, item)
+        elif stat.S_ISDIR(mode):
+            if not os.path.exists(path):
+                os.makedirs(path)
+            if restore_attrs:
+                self.restore_attrs(path, item)
         elif stat.S_ISLNK(mode):
             if not os.path.exists(os.path.dirname(path)):
                 os.makedirs(os.path.dirname(path))
@@ -313,6 +308,11 @@ class Archive:
                 os.unlink(path)
             os.symlink(source, path)
             self.restore_attrs(path, item, symlink=True)
+        elif stat.S_ISFIFO(mode):
+            if not os.path.exists(os.path.dirname(path)):
+                os.makedirs(os.path.dirname(path))
+            os.mkfifo(path)
+            self.restore_attrs(path, item)
         elif stat.S_ISCHR(mode) or stat.S_ISBLK(mode):
             os.mknod(path, item[b'mode'], item[b'rdev'])
             self.restore_attrs(path, item)