Mercurial > hg > mercurial-crew-with-dirclash
annotate tests/test-up-local-change.out @ 1241:3b4f05ff3130
Add support for cloning with hardlinks on windows.
In order to use hardlinks, the win32file module is needed, and this is
present in ActivePython. If it isn't present, or hardlinks are not supported
on the underlying filesystem, a regular copy is used.
When using hardlinks the biggest benefit is probably the saving in space,
but cloning can be much quicker. For example cloning the Xen tree
(non trivial) without an update goes from about 95s to 15s.
Unix-like platforms should be unaffected, although should be more tolerant on
filesystems that don't support hard links.
(tweaked by mpm to deal with new copyfiles function)
--- hg.orig/mercurial/commands.py 2005-09-13 19:32:53.000000000 -0500
+++ hg/mercurial/commands.py 2005-09-14 12:11:34.000000000 -0500
@@ -620,10 +620,6 @@ def clone(ui, source, dest=None, **opts)
if other.dev() != -1:
abspath = os.path.abspath(source)
- copyfile = (os.stat(dest).st_dev == other.dev()
- and getattr(os, 'link', None) or shutil.copy2)
- if copyfile is not shutil.copy2:
- ui.note("cloning by hardlink\n")
# we use a lock here because if we race with commit, we can
# end up with extra data in the cloned revlogs that's not
@@ -638,7 +634,7 @@ def clone(ui, source, dest=None, **opts)
for f in files.split():
src = os.path.join(source, ".hg", f)
dst = os.path.join(dest, ".hg", f)
- util.copyfiles(src, dst, copyfile)
+ util.copyfiles(src, dst)
repo = hg.repository(ui, dest)
Index: hg/mercurial/util.py
===================================================================
--- hg.orig/mercurial/util.py 2005-09-08 00:15:25.000000000 -0500
+++ hg/mercurial/util.py 2005-09-14 12:16:49.000000000 -0500
@@ -12,7 +12,7 @@ platform-specific details from the core.
import os, errno
from demandload import *
-demandload(globals(), "re cStringIO")
+demandload(globals(), "re cStringIO shutil")
def binary(s):
"""return true if a string is binary data using diff's heuristic"""
@@ -217,17 +217,28 @@ def rename(src, dst):
os.unlink(dst)
os.rename(src, dst)
-def copyfiles(src, dst, copyfile):
- """Copy a directory tree, files are copied using 'copyfile'."""
+def copyfiles(src, dst, hardlink=None):
+ """Copy a directory tree using hardlinks if possible"""
+
+ if hardlink is None:
+ hardlink = (os.stat(src).st_dev ==
+ os.stat(os.path.dirname(dst)).st_dev)
if os.path.isdir(src):
os.mkdir(dst)
for name in os.listdir(src):
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
- copyfiles(srcname, dstname, copyfile)
+ copyfiles(srcname, dstname, hardlink)
else:
- copyfile(src, dst)
+ if hardlink:
+ try:
+ os_link(src, dst)
+ except:
+ hardlink = False
+ shutil.copy2(src, dst)
+ else:
+ shutil.copy2(src, dst)
def opener(base):
"""
@@ -244,13 +255,13 @@ def opener(base):
if mode[0] != "r":
try:
- s = os.stat(f)
+ nlink = nlinks(f)
except OSError:
d = os.path.dirname(f)
if not os.path.isdir(d):
os.makedirs(d)
else:
- if s.st_nlink > 1:
+ if nlink > 1:
file(f + ".tmp", "wb").write(file(f, "rb").read())
rename(f+".tmp", f)
@@ -266,10 +277,41 @@ def _makelock_file(info, pathname):
def _readlock_file(pathname):
return file(pathname).read()
+def nlinks(pathname):
+ """Return number of hardlinks for the given file."""
+ return os.stat(pathname).st_nlink
+
+if hasattr(os, 'link'):
+ os_link = os.link
+else:
+ def os_link(src, dst):
+ raise OSError(0, "Hardlinks not supported")
+
# Platform specific variants
if os.name == 'nt':
nulldev = 'NUL:'
+ try: # ActivePython can create hard links using win32file module
+ import win32file
+
+ def os_link(src, dst): # NB will only succeed on NTFS
+ win32file.CreateHardLink(dst, src)
+
+ def nlinks(pathname):
+ """Return number of hardlinks for the given file."""
+ try:
+ fh = win32file.CreateFile(pathname,
+ win32file.GENERIC_READ, win32file.FILE_SHARE_READ,
+ None, win32file.OPEN_EXISTING, 0, None)
+ res = win32file.GetFileInformationByHandle(fh)
+ fh.Close()
+ return res[7]
+ except:
+ return os.stat(pathname).st_nlink
+
+ except ImportError:
+ pass
+
def is_exec(f, last):
return last
author | Stephen Darnell |
---|---|
date | Wed, 14 Sep 2005 12:22:20 -0500 |
parents | 4f81068ed8cd |
children | 0e2be889ccd7 |
rev | line source |
---|---|
767
61ed30e82b27
Update tests to match new addremove chattiness.
Bryan O'Sullivan <bos@serpentine.com>
parents:
749
diff
changeset
|
1 adding a |
396
8f8bb77d560e
Show revisions in diffs like CVS, based on a patch from Goffredo Baroncelli.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
388
diff
changeset
|
2 diff -r c19d34741b0a a |
331 | 3 --- a/a |
4 +++ b/a | |
5 @@ -1,1 +1,1 @@ | |
6 -a | |
7 +abc | |
767
61ed30e82b27
Update tests to match new addremove chattiness.
Bryan O'Sullivan <bos@serpentine.com>
parents:
749
diff
changeset
|
8 adding b |
748 | 9 M a |
331 | 10 resolving manifests |
677
204328d345f1
Fix up test for update flags
Matt Mackall <mpm@selenic.com>
parents:
676
diff
changeset
|
11 force None allow None moddirstate True linear True |
374
f07d00fcd281
update tests to reflect new short hash length
mpm@selenic.com
parents:
350
diff
changeset
|
12 ancestor a0c8bcbbb45c local a0c8bcbbb45c remote 1165e8bd193e |
331 | 13 a versions differ, resolve |
14 remote created b | |
15 getting b | |
16 merging a | |
17 resolving a | |
374
f07d00fcd281
update tests to reflect new short hash length
mpm@selenic.com
parents:
350
diff
changeset
|
18 file a: other d730145abbf9 ancestor b789fdd96dc2 |
331 | 19 resolving manifests |
677
204328d345f1
Fix up test for update flags
Matt Mackall <mpm@selenic.com>
parents:
676
diff
changeset
|
20 force None allow 1 moddirstate True linear True |
374
f07d00fcd281
update tests to reflect new short hash length
mpm@selenic.com
parents:
350
diff
changeset
|
21 ancestor 1165e8bd193e local 1165e8bd193e remote 1165e8bd193e |
784
853bfbf1a312
Fix tests for short changeset hashes and hidden manifest hashes
mpm@selenic.com
parents:
775
diff
changeset
|
22 changeset: 1:1e71731e6fbb |
388
398737777644
Fixed tests for displaying tags in hg history and hg parents.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
382
diff
changeset
|
23 tag: tip |
331 | 24 user: test |
967
1f3710636b45
[PATCH] Print timezone offset when outputting dates
Samuel Tardieu <sam@rfc1149.net>
parents:
925
diff
changeset
|
25 date: Thu Jan 1 00:00:00 1970 +0000 |
331 | 26 summary: 2 |
27 | |
28 changeset: 1:1e71731e6fbb5b35fae293120dea6964371c13c6 | |
388
398737777644
Fixed tests for displaying tags in hg history and hg parents.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
382
diff
changeset
|
29 tag: tip |
331 | 30 user: test |
967
1f3710636b45
[PATCH] Print timezone offset when outputting dates
Samuel Tardieu <sam@rfc1149.net>
parents:
925
diff
changeset
|
31 date: Thu Jan 1 00:00:00 1970 +0000 |
494
6020bde714e4
Fixed test for previous change of 'hg -v history'.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
490
diff
changeset
|
32 files: a b |
331 | 33 description: |
34 2 | |
35 | |
546
c8ae964109c1
Add an empty line after description in verbose mode of show_changeset.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
495
diff
changeset
|
36 |
331 | 37 changeset: 0:c19d34741b0a4ced8e4ba74bb834597d5193851e |
38 user: test | |
967
1f3710636b45
[PATCH] Print timezone offset when outputting dates
Samuel Tardieu <sam@rfc1149.net>
parents:
925
diff
changeset
|
39 date: Thu Jan 1 00:00:00 1970 +0000 |
494
6020bde714e4
Fixed test for previous change of 'hg -v history'.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
490
diff
changeset
|
40 files: a |
331 | 41 description: |
42 1 | |
43 | |
546
c8ae964109c1
Add an empty line after description in verbose mode of show_changeset.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
495
diff
changeset
|
44 |
768
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
45 diff -r 1e71731e6fbb a |
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
46 --- a/a |
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
47 +++ b/a |
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
48 @@ -1,1 +1,1 @@ |
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
49 -a2 |
20e95c245bc3
Fix local file changes being ignored after non-branch merge
mpm@selenic.com
parents:
767
diff
changeset
|
50 +abc |