hgext/relink.py
author Yuya Nishihara <yuya@tcha.org>
Sat, 13 Feb 2016 20:13:45 +0900
changeset 28272 760f9d04842a
parent 26778 a95c975f42e3
child 28380 ad266834251b
permissions -rw-r--r--
revset: define "pat" variable unconditionally in subrepo() It's a source of UnboundLocalError to define and use local variables conditionally. As getstring() always returns a str, "pat" can be initialized to None.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25660
diff changeset
    10
from mercurial import cmdutil, hg, util, error
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    11
from mercurial.i18n import _
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    12
import os, stat
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    13
21252
da0eb4970913 relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents: 20083
diff changeset
    14
cmdtable = {}
da0eb4970913 relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents: 20083
diff changeset
    15
command = cmdutil.command(cmdtable)
25186
80c5b2666a96 extensions: document that `testedwith = 'internal'` is special
Augie Fackler <augie@google.com>
parents: 21252
diff changeset
    16
# Note for extension authors: ONLY specify testedwith = 'internal' for
80c5b2666a96 extensions: document that `testedwith = 'internal'` is special
Augie Fackler <augie@google.com>
parents: 21252
diff changeset
    17
# 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
    18
# 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
    19
# leave the attribute unspecified.
16743
38caf405d010 hgext: mark all first-party extensions as such
Augie Fackler <raf@durin42.com>
parents: 16686
diff changeset
    20
testedwith = 'internal'
38caf405d010 hgext: mark all first-party extensions as such
Augie Fackler <raf@durin42.com>
parents: 16686
diff changeset
    21
21252
da0eb4970913 relink: declare command using decorator
Gregory Szorc <gregory.szorc@gmail.com>
parents: 20083
diff changeset
    22
@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
    23
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
    24
    """recreate hardlinks between two repositories
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    25
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    26
    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
    27
    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
    28
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    29
    Unfortunately, subsequent pulls into either repository will break
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    30
    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
    31
    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
    32
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    33
    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
    34
    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
    35
    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
    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
    38
    wasted space.
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    39
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    40
    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
    41
    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
    42
    "default-relink", then "default", in [paths].
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    43
9886
56af3f240a22 relink: wrap long lines in docstring
Martin Geisler <mg@lazybytes.net>
parents: 9790
diff changeset
    44
    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
    45
    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
    46
    writes.)
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    47
    """
14945
11aad09a6370 hgext: replace uses of hasattr with util.safehasattr
Augie Fackler <durin42@gmail.com>
parents: 14709
diff changeset
    48
    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
    49
        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
    50
        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
    51
    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
    52
                                          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
    53
    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
    54
    if repo.root == src.root:
b69102740e57 relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
    55
        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
    56
        return
b69102740e57 relink: avoid trying to lock the same repo twice
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
    57
20083
c69e5911888d relink: abort earlier when on different devices (issue3916)
Simon Heimberg <simohe@besonet.ch>
parents: 18825
diff changeset
    58
    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
    59
        # 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
    60
        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
    61
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    62
    locallock = repo.lock()
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    63
    try:
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    64
        remotelock = src.lock()
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    65
        try:
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    66
            candidates = sorted(collect(src, ui))
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
    67
            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
    68
            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
    69
        finally:
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    70
            remotelock.release()
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    71
    finally:
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    72
        locallock.release()
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    73
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
    74
def collect(src, ui):
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    75
    seplen = len(os.path.sep)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    76
    candidates = []
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    77
    live = len(src['tip'].manifest())
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    78
    # 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
    79
    # 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
    80
    # 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
    81
    # the repository.
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    82
    #
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    83
    # 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
    84
    total = live * 3 // 2
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    85
    src = src.store.path
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    86
    pos = 0
26778
a95c975f42e3 l10n: use %d instead of %s for numbers
timeless@mozdev.org
parents: 26587
diff changeset
    87
    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
    88
              % (live, total))
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    89
    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
    90
        dirnames.sort()
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    91
        relpath = dirpath[len(src) + seplen:]
11357
7914628b4751 relink: ensure deterministic directory walk in collect
Martin Geisler <mg@aragost.com>
parents: 11355
diff changeset
    92
        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
    93
            if filename[-2:] not in ('.d', '.i'):
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    94
                continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    95
            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
    96
            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
    97
                continue
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
    98
            pos += 1
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    99
            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
   100
            ui.progress(_('collecting'), pos, filename, _('files'), total)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   101
11355
9011036ba79d relink/progress: Adding progress for collecting stage
timeless <timeless@gmail.com>
parents: 11354
diff changeset
   102
    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
   103
    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
   104
    return candidates
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   105
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   106
def prune(candidates, src, dst, ui):
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   107
    def linkfilter(src, dst, st):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   108
        try:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   109
            ts = os.stat(dst)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   110
        except OSError:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   111
            # Destination doesn't have this file?
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   112
            return False
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   113
        if util.samefile(src, dst):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   114
            return False
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   115
        if not util.samedevice(src, dst):
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   116
            # 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
   117
            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
   118
                _('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
   119
        if st.st_size != ts.st_size:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   120
            return False
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   121
        return st
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   122
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   123
    targets = []
11354
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
   124
    total = len(candidates)
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
   125
    pos = 0
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   126
    for fn, st in candidates:
11354
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
   127
        pos += 1
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   128
        srcpath = os.path.join(src, fn)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   129
        tgt = os.path.join(dst, fn)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   130
        ts = linkfilter(srcpath, tgt, st)
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   131
        if not ts:
14709
6c7283faa967 check-code: don't mark debug messages for translation
Matt Mackall <mpm@selenic.com>
parents: 14556
diff changeset
   132
            ui.debug('not linkable: %s\n' % fn)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   133
            continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   134
        targets.append((fn, ts.st_size))
12744
0793d763e413 progress: dropping superfluous space from units
timeless <timeless@gmail.com>
parents: 12062
diff changeset
   135
        ui.progress(_('pruning'), pos, fn, _('files'), total)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   136
11354
412a6e749f8d relink/progress: Adding progress for pruning stage
timeless <timeless@gmail.com>
parents: 11273
diff changeset
   137
    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
   138
    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
   139
    return targets
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   140
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
   141
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
   142
    def relinkfile(src, dst):
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   143
        bak = dst + '.bak'
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   144
        os.rename(dst, bak)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   145
        try:
14235
b9e1b041744f rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13898
diff changeset
   146
            util.oslink(src, dst)
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   147
        except OSError:
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   148
            os.rename(bak, dst)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   149
            raise
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   150
        os.remove(bak)
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   151
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   152
    CHUNKLEN = 65536
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   153
    relinked = 0
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   154
    savedbytes = 0
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   155
9729
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
   156
    pos = 0
aa9ccab5af37 Issue919: add a standard extension to recreate hardlinks between repositories.
Jesse Glick <jesse.glick@sun.com>
parents: 8225
diff changeset
   157
    total = len(files)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   158
    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
   159
        pos += 1
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   160
        source = os.path.join(src, f)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   161
        tgt = os.path.join(dst, f)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   162
        # Binary mode, so that read() works correctly, especially on Windows
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   163
        sfp = file(source, 'rb')
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   164
        dfp = file(tgt, 'rb')
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   165
        sin = sfp.read(CHUNKLEN)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   166
        while sin:
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   167
            din = dfp.read(CHUNKLEN)
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   168
            if sin != din:
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   169
                break
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   170
            sin = sfp.read(CHUNKLEN)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   171
        sfp.close()
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9790
diff changeset
   172
        dfp.close()
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   173
        if sin:
14709
6c7283faa967 check-code: don't mark debug messages for translation
Matt Mackall <mpm@selenic.com>
parents: 14556
diff changeset
   174
            ui.debug('not linkable: %s\n' % f)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   175
            continue
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   176
        try:
4270
29eb88bd5c8d hg-relink: do not compare .d files
Brendan Cully <brendan@kublai.com>
parents: 4249
diff changeset
   177
            relinkfile(source, tgt)
12744
0793d763e413 progress: dropping superfluous space from units
timeless <timeless@gmail.com>
parents: 12062
diff changeset
   178
            ui.progress(_('relinking'), pos, f, _('files'), total)
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   179
            relinked += 1
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   180
            savedbytes += sz
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25186
diff changeset
   181
        except OSError as inst:
9790
819e6c7085fc relink: do not translate format string with no text
Martin Geisler <mg@lazybytes.net>
parents: 9729
diff changeset
   182
            ui.warn('%s: %s\n' % (tgt, str(inst)))
4249
7663780b55a7 Add hg-relink script to contrib
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   183
10724
cb0a7faa29ea progress: drop extra args for pos=None calls (issue2087)
Matt Mackall <mpm@selenic.com>
parents: 10698
diff changeset
   184
    ui.progress(_('relinking'), None)
10424
93b5abcf5101 relink: properly use the progress API
Augie Fackler <durin42@gmail.com>
parents: 10264
diff changeset
   185
13656
0e200e1801f4 relink: format reclaimed byte count nicely
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
   186
    ui.status(_('relinked %d files (%s reclaimed)\n') %
0e200e1801f4 relink: format reclaimed byte count nicely
Martin Geisler <mg@lazybytes.net>
parents: 12744
diff changeset
   187
              (relinked, util.bytecount(savedbytes)))