Mercurial > hg
annotate hgext/relink.py @ 36821:0c7350656f93
xdiff: add comments for fields in xdfile_t
This makes the related code easier to understand.
Differential Revision: https://phab.mercurial-scm.org/D2685
author | Jun Wu <quark@fb.com> |
---|---|
date | Sun, 04 Mar 2018 11:30:16 -0800 |
parents | 9e2866065982 |
children | f0b6fbea00cf |
rev | line source |
---|---|
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
1 # Mercurial extension to provide 'hg relink' command |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
2 # |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
3 # Copyright (C) 2007 Brendan Cully <brendan@kublai.com> |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
4 # |
8225
46293a0c7e9f
updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents:
4270
diff
changeset
|
5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
7 |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
8 """recreates hardlinks between repository clones""" |
28380
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
9 from __future__ import absolute_import |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
10 |
28380
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
11 import os |
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
12 import stat |
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
13 |
29205
a0939666b836
py3: move up symbol imports to enforce import-checker rules
Yuya Nishihara <yuya@tcha.org>
parents:
28380
diff
changeset
|
14 from mercurial.i18n import _ |
28380
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
15 from mercurial import ( |
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
16 error, |
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
17 hg, |
32337
46ba2cdda476
registrar: move cmdutil.command to registrar module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
29841
diff
changeset
|
18 registrar, |
28380
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
19 util, |
ad266834251b
relink: use absolute_import
timeless <timeless@mozdev.org>
parents:
26778
diff
changeset
|
20 ) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
21 |
21252
da0eb4970913
relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20083
diff
changeset
|
22 cmdtable = {} |
32337
46ba2cdda476
registrar: move cmdutil.command to registrar module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
29841
diff
changeset
|
23 command = registrar.command(cmdtable) |
29841
d5883fd055c6
extensions: change magic "shipped with hg" string
Augie Fackler <augie@google.com>
parents:
29205
diff
changeset
|
24 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
25186
80c5b2666a96
extensions: document that `testedwith = 'internal'` is special
Augie Fackler <augie@google.com>
parents:
21252
diff
changeset
|
25 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
80c5b2666a96
extensions: document that `testedwith = 'internal'` is special
Augie Fackler <augie@google.com>
parents:
21252
diff
changeset
|
26 # be specifying the version(s) of Mercurial they are tested with, or |
80c5b2666a96
extensions: document that `testedwith = 'internal'` is special
Augie Fackler <augie@google.com>
parents:
21252
diff
changeset
|
27 # leave the attribute unspecified. |
29841
d5883fd055c6
extensions: change magic "shipped with hg" string
Augie Fackler <augie@google.com>
parents:
29205
diff
changeset
|
28 testedwith = 'ships-with-hg-core' |
16743
38caf405d010
hgext: mark all first-party extensions as such
Augie Fackler <raf@durin42.com>
parents:
16686
diff
changeset
|
29 |
21252
da0eb4970913
relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20083
diff
changeset
|
30 @command('relink', [], _('[ORIGIN]')) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
31 def relink(ui, repo, origin=None, **opts): |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
32 """recreate hardlinks between two repositories |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
33 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
34 When repositories are cloned locally, their data files will be |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
35 hardlinked so that they only use the space of a single repository. |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
36 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
37 Unfortunately, subsequent pulls into either repository will break |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
38 hardlinks for any files touched by the new changesets, even if |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
39 both repositories end up pulling the same changes. |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
40 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
41 Similarly, passing --rev to "hg clone" will fail to use any |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
42 hardlinks, falling back to a complete copy of the source |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
43 repository. |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
44 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
45 This command lets you recreate those hardlinks and reclaim that |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
46 wasted space. |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
47 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
48 This repository will be relinked to share space with ORIGIN, which |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
49 must be on the same local disk. If ORIGIN is omitted, looks for |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
50 "default-relink", then "default", in [paths]. |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
51 |
9886
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
52 Do not attempt any read operations on this repository while the |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
53 command is running. (Both repositories will be locked against |
56af3f240a22
relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents:
9790
diff
changeset
|
54 writes.) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
55 """ |
14945
11aad09a6370
hgext: replace uses of hasattr with util.safehasattr
Augie Fackler <durin42@gmail.com>
parents:
14709
diff
changeset
|
56 if (not util.safehasattr(util, 'samefile') or |
11aad09a6370
hgext: replace uses of hasattr with util.safehasattr
Augie Fackler <durin42@gmail.com>
parents:
14709
diff
changeset
|
57 not util.safehasattr(util, 'samedevice')): |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25660
diff
changeset
|
58 raise error.Abort(_('hardlinks are not supported on this system')) |
18825
f0564402d059
repo: repo isolation, do not pass on repo.ui for creating new repos
Simon Heimberg <simohe@besonet.ch>
parents:
17191
diff
changeset
|
59 src = hg.repository(repo.baseui, ui.expandpath(origin or 'default-relink', |
14556
517e1d88bf7e
hg: change various repository() users to use peer() where appropriate
Matt Mackall <mpm@selenic.com>
parents:
14235
diff
changeset
|
60 origin or 'default')) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
61 ui.status(_('relinking %s to %s\n') % (src.store.path, repo.store.path)) |
13657
b69102740e57
relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
62 if repo.root == src.root: |
b69102740e57
relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
63 ui.status(_('there is nothing to relink\n')) |
b69102740e57
relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
64 return |
b69102740e57
relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
65 |
20083
c69e5911888d
relink: abort earlier when on different devices (issue3916)
Simon Heimberg <simohe@besonet.ch>
parents:
18825
diff
changeset
|
66 if not util.samedevice(src.store.path, repo.store.path): |
c69e5911888d
relink: abort earlier when on different devices (issue3916)
Simon Heimberg <simohe@besonet.ch>
parents:
18825
diff
changeset
|
67 # No point in continuing |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25660
diff
changeset
|
68 raise error.Abort(_('source and destination are on different devices')) |
20083
c69e5911888d
relink: abort earlier when on different devices (issue3916)
Simon Heimberg <simohe@besonet.ch>
parents:
18825
diff
changeset
|
69 |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
70 locallock = repo.lock() |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
71 try: |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
72 remotelock = src.lock() |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
73 try: |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
74 candidates = sorted(collect(src, ui)) |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
75 targets = prune(candidates, src.store.path, repo.store.path, ui) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
76 do_relink(src.store.path, repo.store.path, targets, ui) |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
77 finally: |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
78 remotelock.release() |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
79 finally: |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
80 locallock.release() |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
81 |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
82 def collect(src, ui): |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
83 seplen = len(os.path.sep) |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
84 candidates = [] |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
85 live = len(src['tip'].manifest()) |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
86 # Your average repository has some files which were deleted before |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
87 # the tip revision. We account for that by assuming that there are |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
88 # 3 tracked files for every 2 live files as of the tip version of |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
89 # the repository. |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
90 # |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
91 # mozilla-central as of 2010-06-10 had a ratio of just over 7:5. |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
92 total = live * 3 // 2 |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
93 src = src.store.path |
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
94 pos = 0 |
26778
a95c975f42e3
l10n: use %d instead of %s for numbers
timeless@mozdev.org
parents:
26587
diff
changeset
|
95 ui.status(_("tip has %d files, estimated total number of files: %d\n") |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
96 % (live, total)) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
97 for dirpath, dirnames, filenames in os.walk(src): |
11357
7914628b4751
relink: ensure deterministic directory walk in collect
Martin Geisler <mg@aragost.com>
parents:
11355
diff
changeset
|
98 dirnames.sort() |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
99 relpath = dirpath[len(src) + seplen:] |
11357
7914628b4751
relink: ensure deterministic directory walk in collect
Martin Geisler <mg@aragost.com>
parents:
11355
diff
changeset
|
100 for filename in sorted(filenames): |
16686
67964cda8701
cleanup: "not x in y" -> "x not in y"
Brodie Rao <brodie@sf.io>
parents:
14945
diff
changeset
|
101 if filename[-2:] not in ('.d', '.i'): |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
102 continue |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
103 st = os.stat(os.path.join(dirpath, filename)) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
104 if not stat.S_ISREG(st.st_mode): |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
105 continue |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
106 pos += 1 |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
107 candidates.append((os.path.join(relpath, filename), st)) |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
108 ui.progress(_('collecting'), pos, filename, _('files'), total) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
109 |
11355
9011036ba79d
relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents:
11354
diff
changeset
|
110 ui.progress(_('collecting'), None) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
111 ui.status(_('collected %d candidate storage files\n') % len(candidates)) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
112 return candidates |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
113 |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
114 def prune(candidates, src, dst, ui): |
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
115 def linkfilter(src, dst, st): |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
116 try: |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
117 ts = os.stat(dst) |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
118 except OSError: |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
119 # Destination doesn't have this file? |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
120 return False |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
121 if util.samefile(src, dst): |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
122 return False |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
123 if not util.samedevice(src, dst): |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
124 # No point in continuing |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25660
diff
changeset
|
125 raise error.Abort( |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
126 _('source and destination are on different devices')) |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
127 if st.st_size != ts.st_size: |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
128 return False |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
129 return st |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
130 |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
131 targets = [] |
11354
412a6e749f8d
relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents:
11273
diff
changeset
|
132 total = len(candidates) |
412a6e749f8d
relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents:
11273
diff
changeset
|
133 pos = 0 |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
134 for fn, st in candidates: |
11354
412a6e749f8d
relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents:
11273
diff
changeset
|
135 pos += 1 |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
136 srcpath = os.path.join(src, fn) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
137 tgt = os.path.join(dst, fn) |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
138 ts = linkfilter(srcpath, tgt, st) |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
139 if not ts: |
14709
6c7283faa967
check-code: don't mark debug messages for translation
Matt Mackall <mpm@selenic.com>
parents:
14556
diff
changeset
|
140 ui.debug('not linkable: %s\n' % fn) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
141 continue |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
142 targets.append((fn, ts.st_size)) |
12744
0793d763e413
progress: dropping superfluous space from units
timeless <timeless@gmail.com>
parents:
12062
diff
changeset
|
143 ui.progress(_('pruning'), pos, fn, _('files'), total) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
144 |
11354
412a6e749f8d
relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents:
11273
diff
changeset
|
145 ui.progress(_('pruning'), None) |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
146 ui.status(_('pruned down to %d probably relinkable files\n') % len(targets)) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
147 return targets |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
148 |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
149 def do_relink(src, dst, files, ui): |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
150 def relinkfile(src, dst): |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
151 bak = dst + '.bak' |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
152 os.rename(dst, bak) |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
153 try: |
14235
b9e1b041744f
rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13898
diff
changeset
|
154 util.oslink(src, dst) |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
155 except OSError: |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
156 os.rename(bak, dst) |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
157 raise |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
158 os.remove(bak) |
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
159 |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
160 CHUNKLEN = 65536 |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
161 relinked = 0 |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
162 savedbytes = 0 |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
163 |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
164 pos = 0 |
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
165 total = len(files) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
166 for f, sz in files: |
9729
aa9ccab5af37
Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents:
8225
diff
changeset
|
167 pos += 1 |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
168 source = os.path.join(src, f) |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
169 tgt = os.path.join(dst, f) |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
170 # Binary mode, so that read() works correctly, especially on Windows |
36394
4bc983568016
py3: replace file() with open()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
32337
diff
changeset
|
171 sfp = open(source, 'rb') |
4bc983568016
py3: replace file() with open()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
32337
diff
changeset
|
172 dfp = open(tgt, 'rb') |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
173 sin = sfp.read(CHUNKLEN) |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
174 while sin: |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
175 din = dfp.read(CHUNKLEN) |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
176 if sin != din: |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
177 break |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
178 sin = sfp.read(CHUNKLEN) |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
179 sfp.close() |
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9790
diff
changeset
|
180 dfp.close() |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
181 if sin: |
14709
6c7283faa967
check-code: don't mark debug messages for translation
Matt Mackall <mpm@selenic.com>
parents:
14556
diff
changeset
|
182 ui.debug('not linkable: %s\n' % f) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
183 continue |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
184 try: |
4270
29eb88bd5c8d
hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents:
4249
diff
changeset
|
185 relinkfile(source, tgt) |
12744
0793d763e413
progress: dropping superfluous space from units
timeless <timeless@gmail.com>
parents:
12062
diff
changeset
|
186 ui.progress(_('relinking'), pos, f, _('files'), total) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
187 relinked += 1 |
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
188 savedbytes += sz |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25186
diff
changeset
|
189 except OSError as inst: |
36632
9e2866065982
py3: use util.forcevytestr to convert error to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36394
diff
changeset
|
190 ui.warn('%s: %s\n' % (tgt, util.forcebytestr(inst))) |
4249
7663780b55a7
Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff
changeset
|
191 |
10724
cb0a7faa29ea
progress: drop extra args for pos=None calls (issue2087)
Matt Mackall <mpm@selenic.com>
parents:
10698
diff
changeset
|
192 ui.progress(_('relinking'), None) |
10424
93b5abcf5101
relink: properly use the progress API
Augie Fackler <durin42@gmail.com>
parents:
10264
diff
changeset
|
193 |
13656
0e200e1801f4
relink: format reclaimed byte count nicely
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
194 ui.status(_('relinked %d files (%s reclaimed)\n') % |
0e200e1801f4
relink: format reclaimed byte count nicely
Martin Geisler <mg@lazybytes.net>
parents:
12744
diff
changeset
|
195 (relinked, util.bytecount(savedbytes))) |