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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 10 jaren geleden
bovenliggende
commit
646cdca312
1 gewijzigde bestanden met toevoegingen van 11 en 11 verwijderingen
  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)