annotate hgext/relink.py @ 50702:b11421f3daf9

clone-bundle: drop the now unused `inlineclonebundles` capabilities We no longer us the capabilities as a side way to passe argument to the `clonebundle commands`
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 19 Jun 2023 15:48:03 +0200
parents c6ae90515660
children d28cc52e2c0f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
25e572394f5c Update license to GPLv2+
Matt Mackall <mpm@selenic.com>
parents: 10225
diff changeset
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"""
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
9
28380
ad266834251b relink: use absolute_import
timeless <timeless@mozdev.org>
parents: 26778
diff changeset
10 import os
ad266834251b relink: use absolute_import
timeless <timeless@mozdev.org>
parents: 26778
diff changeset
11 import stat
ad266834251b relink: use absolute_import
timeless <timeless@mozdev.org>
parents: 26778
diff changeset
12
29205
a0939666b836 py3: move up symbol imports to enforce import-checker rules
Yuya Nishihara <yuya@tcha.org>
parents: 28380
diff changeset
13 from mercurial.i18n import _
43085
eef9a2d67051 py3: manually import pycompat.open into files that need it
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
14 from mercurial.pycompat import open
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 )
46942
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
21 from mercurial.utils import (
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
22 stringutil,
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
23 urlutil,
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
24 )
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
25
21252
da0eb4970913 relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents: 20083
diff changeset
26 cmdtable = {}
32337
46ba2cdda476 registrar: move cmdutil.command to registrar module (API)
Yuya Nishihara <yuya@tcha.org>
parents: 29841
diff changeset
27 command = registrar.command(cmdtable)
29841
d5883fd055c6 extensions: change magic "shipped with hg" string
Augie Fackler <augie@google.com>
parents: 29205
diff changeset
28 # 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
29 # 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
30 # 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
31 # leave the attribute unspecified.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
32 testedwith = b'ships-with-hg-core'
16743
38caf405d010 hgext: mark all first-party extensions as such
Augie Fackler <raf@durin42.com>
parents: 16686
diff changeset
33
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
34
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
35 @command(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
36 b'relink', [], _(b'[ORIGIN]'), helpcategory=command.CATEGORY_MAINTENANCE
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
37 )
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
38 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
39 """recreate hardlinks between two repositories
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
40
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
41 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
42 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
43
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
44 Unfortunately, subsequent pulls into either repository will break
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
45 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
46 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
47
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
48 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
49 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
50 repository.
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
51
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
52 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
53 wasted space.
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
54
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
55 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
56 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
57 "default-relink", then "default", in [paths].
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
58
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
59 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
60 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
61 writes.)
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
62 """
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
63 if not util.safehasattr(util, b'samefile') or not util.safehasattr(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
64 util, b'samedevice'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
65 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
66 raise error.Abort(_(b'hardlinks are not supported on this system'))
46942
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
67
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
68 if origin is None and b'default-relink' in ui.paths:
b5e7cdb93abc relink: use `get_unique_pull_path`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43085
diff changeset
69 origin = b'default-relink'
49730
c6ae90515660 path: use `get_unique_pull_path_obj` in `hg relink`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48875
diff changeset
70 path = urlutil.get_unique_pull_path_obj(b'relink', ui, origin)
c6ae90515660 path: use `get_unique_pull_path_obj` in `hg relink`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48875
diff changeset
71 src = hg.repository(repo.baseui, path.loc)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
72 ui.status(_(b'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
73 if repo.root == src.root:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
74 ui.status(_(b'there is nothing to relink\n'))
13657
b69102740e57 relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
75 return
b69102740e57 relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
76
20083
c69e5911888d relink: abort earlier when on different devices (issue3916)
Simon Heimberg <simohe@besonet.ch>
parents: 18825
diff changeset
77 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
78 # No point in continuing
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
79 raise error.Abort(_(b'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
80
38442
36edfbac7281 relink: use context manager for lock management
Matt Harbison <matt_harbison@yahoo.com>
parents: 38404
diff changeset
81 with repo.lock(), src.lock():
36edfbac7281 relink: use context manager for lock management
Matt Harbison <matt_harbison@yahoo.com>
parents: 38404
diff changeset
82 candidates = sorted(collect(src, ui))
36edfbac7281 relink: use context manager for lock management
Matt Harbison <matt_harbison@yahoo.com>
parents: 38404
diff changeset
83 targets = prune(candidates, src.store.path, repo.store.path, ui)
36edfbac7281 relink: use context manager for lock management
Matt Harbison <matt_harbison@yahoo.com>
parents: 38404
diff changeset
84 do_relink(src.store.path, repo.store.path, targets, ui)
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
85
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
86
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
87 def collect(src, ui):
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
88 seplen = len(os.path.sep)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
89 candidates = []
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
90 live = len(src[b'tip'].manifest())
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
91 # 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
92 # 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
93 # 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
94 # the repository.
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
95 #
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
96 # 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
97 total = live * 3 // 2
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
98 src = src.store.path
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
99 progress = ui.makeprogress(_(b'collecting'), unit=_(b'files'), total=total)
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
100 pos = 0
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
101 ui.status(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
102 _(b"tip has %d files, estimated total number of files: %d\n")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
103 % (live, total)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
104 )
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
105 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
106 dirnames.sort()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
107 relpath = dirpath[len(src) + seplen :]
11357
7914628b4751 relink: ensure deterministic directory walk in collect
Martin Geisler <mg@aragost.com>
parents: 11355
diff changeset
108 for filename in sorted(filenames):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
109 if filename[-2:] not in (b'.d', b'.i'):
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
110 continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
111 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
112 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
113 continue
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
114 pos += 1
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
115 candidates.append((os.path.join(relpath, filename), st))
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
116 progress.update(pos, item=filename)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
117
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
118 progress.complete()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
119 ui.status(_(b'collected %d candidate storage files\n') % len(candidates))
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
120 return candidates
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
121
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
122
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
123 def prune(candidates, src, dst, ui):
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
124 def linkfilter(src, dst, st):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
125 try:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
126 ts = os.stat(dst)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
127 except OSError:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
128 # Destination doesn't have this file?
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
129 return False
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
130 if util.samefile(src, dst):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
131 return False
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
132 if not util.samedevice(src, dst):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
133 # 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
134 raise error.Abort(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
135 _(b'source and destination are on different devices')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
136 )
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
137 if st.st_size != ts.st_size:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
138 return False
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
139 return st
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
140
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
141 targets = []
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
142 progress = ui.makeprogress(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
143 _(b'pruning'), unit=_(b'files'), total=len(candidates)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
144 )
11354
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
145 pos = 0
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
146 for fn, st in candidates:
11354
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
147 pos += 1
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
148 srcpath = os.path.join(src, fn)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
149 tgt = os.path.join(dst, fn)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
150 ts = linkfilter(srcpath, tgt, st)
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
151 if not ts:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
152 ui.debug(b'not linkable: %s\n' % fn)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
153 continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
154 targets.append((fn, ts.st_size))
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
155 progress.update(pos, item=fn)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
156
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
157 progress.complete()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
158 ui.status(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
159 _(b'pruned down to %d probably relinkable files\n') % len(targets)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
160 )
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
161 return targets
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
162
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
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 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
165 def relinkfile(src, dst):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
166 bak = dst + b'.bak'
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
167 os.rename(dst, bak)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
168 try:
14235
b9e1b041744f rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13898
diff changeset
169 util.oslink(src, dst)
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
170 except OSError:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
171 os.rename(bak, dst)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
172 raise
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
173 os.remove(bak)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
174
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
175 CHUNKLEN = 65536
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
176 relinked = 0
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
177 savedbytes = 0
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
178
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
179 progress = ui.makeprogress(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
180 _(b'relinking'), unit=_(b'files'), total=len(files)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
181 )
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
182 pos = 0
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
183 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
184 pos += 1
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
185 source = os.path.join(src, f)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
186 tgt = os.path.join(dst, f)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
187 # Binary mode, so that read() works correctly, especially on Windows
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
188 sfp = open(source, b'rb')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
189 dfp = open(tgt, b'rb')
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
190 sin = sfp.read(CHUNKLEN)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
191 while sin:
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
192 din = dfp.read(CHUNKLEN)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
193 if sin != din:
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
194 break
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
195 sin = sfp.read(CHUNKLEN)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
196 sfp.close()
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
197 dfp.close()
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
198 if sin:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
199 ui.debug(b'not linkable: %s\n' % f)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
200 continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
201 try:
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
202 relinkfile(source, tgt)
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
203 progress.update(pos, item=f)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
204 relinked += 1
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
205 savedbytes += sz
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25186
diff changeset
206 except OSError as inst:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
207 ui.warn(b'%s: %s\n' % (tgt, stringutil.forcebytestr(inst)))
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
208
38404
398716063c2d relink: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 37084
diff changeset
209 progress.complete()
10424
93b5abcf5101 relink: properly use the progress API
Augie Fackler <durin42@gmail.com>
parents: 10264
diff changeset
210
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
211 ui.status(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
212 _(b'relinked %d files (%s reclaimed)\n')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
213 % (relinked, util.bytecount(savedbytes))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40293
diff changeset
214 )