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"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 hace 10 años
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commit
646cdca312
Se han modificado 1 ficheros con 11 adiciones y 11 borrados
  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)