hgext/fastexport.py
author Joerg Sonnenberger <joerg@bec.de>
Wed, 11 Oct 2023 00:43:24 +0200
changeset 50994 a97f2b50219b
parent 50875 00081fa564ed
child 51863 f4733654f144
permissions -rw-r--r--
fastexport: simplify code
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     1
# Copyright 2020 Joerg Sonnenberger <joerg@bec.de>
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     2
#
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     3
# This software may be used and distributed according to the terms of the
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     4
# GNU General Public License version 2 or any later version.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     5
"""export repositories as git fast-import stream"""
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     6
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     7
# The format specification for fast-import streams can be found at
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     8
# https://git-scm.com/docs/git-fast-import#_input_format
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
     9
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    10
import re
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    11
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    12
from mercurial.i18n import _
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    13
from mercurial.node import hex, nullrev
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    14
from mercurial.utils import stringutil
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    15
from mercurial import (
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    16
    error,
48116
5ced12cfa41b errors: raise InputError on bad revset to revrange() iff provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 44821
diff changeset
    17
    logcmdutil,
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    18
    registrar,
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    19
    scmutil,
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    20
)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    21
from .convert import convcmd
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    22
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    23
# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    24
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    25
# be specifying the version(s) of Mercurial they are tested with, or
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    26
# leave the attribute unspecified.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    27
testedwith = b"ships-with-hg-core"
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    28
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    29
cmdtable = {}
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    30
command = registrar.command(cmdtable)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    31
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    32
GIT_PERSON_PROHIBITED = re.compile(b'[<>\n"]')
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    33
GIT_EMAIL_PROHIBITED = re.compile(b"[<> \n]")
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    34
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    35
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    36
def convert_to_git_user(authormap, user, rev):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    37
    mapped_user = authormap.get(user, user)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    38
    user_person = stringutil.person(mapped_user)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    39
    user_email = stringutil.email(mapped_user)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    40
    if GIT_EMAIL_PROHIBITED.match(user_email) or GIT_PERSON_PROHIBITED.match(
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    41
        user_person
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    42
    ):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    43
        raise error.Abort(
44690
44aff45b556d fastexport: make a diagnostics message more localizable
Joerg Sonnenberger <joerg@bec.de>
parents: 44280
diff changeset
    44
            _(b"Unable to parse user into person and email for revision %s")
44aff45b556d fastexport: make a diagnostics message more localizable
Joerg Sonnenberger <joerg@bec.de>
parents: 44280
diff changeset
    45
            % rev
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    46
        )
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    47
    if user_person:
50994
a97f2b50219b fastexport: simplify code
Joerg Sonnenberger <joerg@bec.de>
parents: 50875
diff changeset
    48
        return b'"%s" <%s>' % (user_person, user_email)
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    49
    else:
50994
a97f2b50219b fastexport: simplify code
Joerg Sonnenberger <joerg@bec.de>
parents: 50875
diff changeset
    50
        return b"<%s>" % user_email
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    51
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    52
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    53
def convert_to_git_date(date):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    54
    timestamp, utcoff = date
44821
edffab2cf0ea fastexport: adjust output to be more canonical
Joerg Sonnenberger <joerg@bec.de>
parents: 44811
diff changeset
    55
    tzsign = b"+" if utcoff <= 0 else b"-"
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    56
    if utcoff % 60 != 0:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    57
        raise error.Abort(
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    58
            _(b"UTC offset in %b is not an integer number of seconds") % (date,)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    59
        )
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    60
    utcoff = abs(utcoff) // 60
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    61
    tzh = utcoff // 60
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    62
    tzmin = utcoff % 60
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    63
    return b"%d " % int(timestamp) + tzsign + b"%02d%02d" % (tzh, tzmin)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    64
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    65
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    66
def convert_to_git_ref(branch):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    67
    # XXX filter/map depending on git restrictions
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    68
    return b"refs/heads/" + branch
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    69
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    70
50401
dd42156b6441 fastexport: rework newline logic
Felipe Contreras <felipe.contreras@gmail.com>
parents: 48875
diff changeset
    71
def write_data(buf, data, add_newline=False):
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    72
    buf.append(b"data %d\n" % len(data))
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    73
    buf.append(data)
50401
dd42156b6441 fastexport: rework newline logic
Felipe Contreras <felipe.contreras@gmail.com>
parents: 48875
diff changeset
    74
    if add_newline or data[-1:] != b"\n":
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    75
        buf.append(b"\n")
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    76
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    77
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    78
def export_commit(ui, repo, rev, marks, authormap):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    79
    ctx = repo[rev]
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    80
    revid = ctx.hex()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    81
    if revid in marks:
44811
5d309906ed0e fastexport: downgrade message about already exported changesets to debug
Joerg Sonnenberger <joerg@bec.de>
parents: 44690
diff changeset
    82
        ui.debug(b"warning: revision %s already exported, skipped\n" % revid)
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    83
        return
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    84
    parents = [p for p in ctx.parents() if p.rev() != nullrev]
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    85
    for p in parents:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    86
        if p.hex() not in marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    87
            ui.warn(
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    88
                _(b"warning: parent %s of %s has not been exported, skipped\n")
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    89
                % (p, revid)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    90
            )
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    91
            return
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    92
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    93
    # For all files modified by the commit, check if they have already
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    94
    # been exported and otherwise dump the blob with the new mark.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    95
    for fname in ctx.files():
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    96
        if fname not in ctx:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    97
            continue
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    98
        filectx = ctx.filectx(fname)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
    99
        filerev = hex(filectx.filenode())
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   100
        if filerev not in marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   101
            mark = len(marks) + 1
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   102
            marks[filerev] = mark
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   103
            data = filectx.data()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   104
            buf = [b"blob\n", b"mark :%d\n" % mark]
50401
dd42156b6441 fastexport: rework newline logic
Felipe Contreras <felipe.contreras@gmail.com>
parents: 48875
diff changeset
   105
            write_data(buf, data, True)
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   106
            ui.write(*buf, keepprogressbar=True)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   107
            del buf
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   108
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   109
    # Assign a mark for the current revision for references by
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   110
    # latter merge commits.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   111
    mark = len(marks) + 1
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   112
    marks[revid] = mark
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   113
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   114
    ref = convert_to_git_ref(ctx.branch())
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   115
    buf = [
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   116
        b"commit %s\n" % ref,
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   117
        b"mark :%d\n" % mark,
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   118
        b"committer %s %s\n"
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   119
        % (
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   120
            convert_to_git_user(authormap, ctx.user(), revid),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   121
            convert_to_git_date(ctx.date()),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   122
        ),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   123
    ]
50401
dd42156b6441 fastexport: rework newline logic
Felipe Contreras <felipe.contreras@gmail.com>
parents: 48875
diff changeset
   124
    write_data(buf, ctx.description())
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   125
    if parents:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   126
        buf.append(b"from :%d\n" % marks[parents[0].hex()])
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   127
    if len(parents) == 2:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   128
        buf.append(b"merge :%d\n" % marks[parents[1].hex()])
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   129
        p0ctx = repo[parents[0]]
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   130
        files = ctx.manifest().diff(p0ctx.manifest())
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   131
    else:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   132
        files = ctx.files()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   133
    filebuf = []
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   134
    for fname in files:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   135
        if fname not in ctx:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   136
            filebuf.append((fname, b"D %s\n" % fname))
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   137
        else:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   138
            filectx = ctx.filectx(fname)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   139
            filerev = filectx.filenode()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   140
            fileperm = b"755" if filectx.isexec() else b"644"
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   141
            changed = b"M %s :%d %s\n" % (fileperm, marks[hex(filerev)], fname)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   142
            filebuf.append((fname, changed))
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   143
    filebuf.sort()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   144
    buf.extend(changed for (fname, changed) in filebuf)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   145
    del filebuf
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   146
    buf.append(b"\n")
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   147
    ui.write(*buf, keepprogressbar=True)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   148
    del buf
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   149
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   150
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   151
isrev = re.compile(b"^[0-9a-f]{40}$")
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   152
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   153
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   154
@command(
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   155
    b"fastexport",
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   156
    [
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   157
        (b"r", b"rev", [], _(b"revisions to export"), _(b"REV")),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   158
        (b"i", b"import-marks", b"", _(b"old marks file to read"), _(b"FILE")),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   159
        (b"e", b"export-marks", b"", _(b"new marks file to write"), _(b"FILE")),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   160
        (
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   161
            b"A",
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   162
            b"authormap",
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   163
            b"",
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   164
            _(b"remap usernames using this file"),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   165
            _(b"FILE"),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   166
        ),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   167
    ],
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   168
    _(b"[OPTION]... [REV]..."),
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   169
    helpcategory=command.CATEGORY_IMPORT_EXPORT,
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   170
)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   171
def fastexport(ui, repo, *revs, **opts):
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   172
    """export repository as git fast-import stream
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   173
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   174
    This command lets you dump a repository as a human-readable text stream.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   175
    It can be piped into corresponding import routines like "git fast-import".
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   176
    Incremental dumps can be created by using marks files.
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   177
    """
50875
00081fa564ed fastexport: migrate `opts` to native kwargs
Matt Harbison <matt_harbison@yahoo.com>
parents: 50401
diff changeset
   178
    revs += tuple(opts.get("rev", []))
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   179
    if not revs:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   180
        revs = scmutil.revrange(repo, [b":"])
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   181
    else:
48116
5ced12cfa41b errors: raise InputError on bad revset to revrange() iff provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 44821
diff changeset
   182
        revs = logcmdutil.revrange(repo, revs)
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   183
    if not revs:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   184
        raise error.Abort(_(b"no revisions matched"))
50875
00081fa564ed fastexport: migrate `opts` to native kwargs
Matt Harbison <matt_harbison@yahoo.com>
parents: 50401
diff changeset
   185
    authorfile = opts.get("authormap")
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   186
    if authorfile:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   187
        authormap = convcmd.readauthormap(ui, authorfile)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   188
    else:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   189
        authormap = {}
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   190
50875
00081fa564ed fastexport: migrate `opts` to native kwargs
Matt Harbison <matt_harbison@yahoo.com>
parents: 50401
diff changeset
   191
    import_marks = opts.get("import_marks")
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   192
    marks = {}
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   193
    if import_marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   194
        with open(import_marks, "rb") as import_marks_file:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   195
            for line in import_marks_file:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   196
                line = line.strip()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   197
                if not isrev.match(line) or line in marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   198
                    raise error.Abort(_(b"Corrupted marks file"))
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   199
                marks[line] = len(marks) + 1
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   200
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   201
    revs.sort()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   202
    with ui.makeprogress(
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   203
        _(b"exporting"), unit=_(b"revisions"), total=len(revs)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   204
    ) as progress:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   205
        for rev in revs:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   206
            export_commit(ui, repo, rev, marks, authormap)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   207
            progress.increment()
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   208
50875
00081fa564ed fastexport: migrate `opts` to native kwargs
Matt Harbison <matt_harbison@yahoo.com>
parents: 50401
diff changeset
   209
    export_marks = opts.get("export_marks")
44280
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   210
    if export_marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   211
        with open(export_marks, "wb") as export_marks_file:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   212
            output_marks = [None] * len(marks)
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   213
            for k, v in marks.items():
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   214
                output_marks[v - 1] = k
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   215
            for k in output_marks:
93a05cb223da hgext: initial version of fastexport extension
Joerg Sonnenberger <joerg@bec.de>
parents:
diff changeset
   216
                export_marks_file.write(k + b"\n")