mercurial/patch.py
author Vadim Gelfer <vadim.gelfer@gmail.com>
Sat, 12 Aug 2006 15:41:26 -0700
changeset 2867 9a2a481ec3ea
parent 2865 2893e51407a4
child 2873 4ec58b157265
permissions -rw-r--r--
util: qualify name properly.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     1
# patch.py - patch file parsing routines
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     2
#
2864
71e78f2ca5ae merge git patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2862
diff changeset
     3
# Copyright 2006 Brendan Cully <brendan@kublai.com>
71e78f2ca5ae merge git patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2862
diff changeset
     4
#
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     5
# This software may be used and distributed according to the terms
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     6
# of the GNU General Public License, incorporated herein by reference.
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     7
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     8
from demandload import demandload
2865
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
     9
from i18n import gettext as _
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    10
demandload(globals(), "util")
2865
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    11
demandload(globals(), "cStringIO email.Parser os re shutil tempfile")
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    12
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    13
def extract(ui, fileobj):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    14
    '''extract patch from data read from fileobj.
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    15
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    16
    patch can be normal patch or contained in email message.
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    17
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    18
    return tuple (filename, message, user, date). any item in returned
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    19
    tuple can be None.  if filename is None, fileobj did not contain
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    20
    patch. caller must unlink filename when done.'''
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    21
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    22
    # attempt to detect the start of a patch
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    23
    # (this heuristic is borrowed from quilt)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    24
    diffre = re.compile(r'^(?:Index:[ \t]|diff[ \t]|RCS file: |' +
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    25
                        'retrieving revision [0-9]+(\.[0-9]+)*$|' +
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    26
                        '(---|\*\*\*)[ \t])', re.MULTILINE)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    27
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    28
    fd, tmpname = tempfile.mkstemp(prefix='hg-patch-')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    29
    tmpfp = os.fdopen(fd, 'w')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    30
    try:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    31
        hgpatch = False
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    32
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    33
        msg = email.Parser.Parser().parse(fileobj)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    34
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    35
        message = msg['Subject']
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    36
        user = msg['From']
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    37
        # should try to parse msg['Date']
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    38
        date = None
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    39
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    40
        if message:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    41
            message = message.replace('\n\t', ' ')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    42
            ui.debug('Subject: %s\n' % message)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    43
        if user:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    44
            ui.debug('From: %s\n' % user)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    45
        diffs_seen = 0
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    46
        ok_types = ('text/plain', 'text/x-diff', 'text/x-patch')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    47
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    48
        for part in msg.walk():
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    49
            content_type = part.get_content_type()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    50
            ui.debug('Content-Type: %s\n' % content_type)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    51
            if content_type not in ok_types:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    52
                continue
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    53
            payload = part.get_payload(decode=True)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    54
            m = diffre.search(payload)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    55
            if m:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    56
                ui.debug(_('found patch at byte %d\n') % m.start(0))
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    57
                diffs_seen += 1
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    58
                cfp = cStringIO.StringIO()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    59
                if message:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    60
                    cfp.write(message)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    61
                    cfp.write('\n')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    62
                for line in payload[:m.start(0)].splitlines():
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    63
                    if line.startswith('# HG changeset patch'):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    64
                        ui.debug(_('patch generated by hg export\n'))
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    65
                        hgpatch = True
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    66
                        # drop earlier commit message content
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    67
                        cfp.seek(0)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    68
                        cfp.truncate()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    69
                    elif hgpatch:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    70
                        if line.startswith('# User '):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    71
                            user = line[7:]
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    72
                            ui.debug('From: %s\n' % user)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    73
                        elif line.startswith("# Date "):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    74
                            date = line[7:]
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    75
                    if not line.startswith('# '):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    76
                        cfp.write(line)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    77
                        cfp.write('\n')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    78
                message = cfp.getvalue()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    79
                if tmpfp:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    80
                    tmpfp.write(payload)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    81
                    if not payload.endswith('\n'):
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    82
                        tmpfp.write('\n')
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    83
            elif not diffs_seen and message and content_type == 'text/plain':
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    84
                message += '\n' + payload
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    85
    except:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    86
        tmpfp.close()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    87
        os.unlink(tmpname)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    88
        raise
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    89
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    90
    tmpfp.close()
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    91
    if not diffs_seen:
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    92
        os.unlink(tmpname)
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    93
        return None, message, user, date
2893e51407a4 commands.import: refactor patch parsing into patch.extract.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2864
diff changeset
    94
    return tmpname, message, user, date
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    95
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    96
def readgitpatch(patchname):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    97
    """extract git-style metadata about patches from <patchname>"""
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    98
    class gitpatch:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    99
        "op is one of ADD, DELETE, RENAME, MODIFY or COPY"
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   100
        def __init__(self, path):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   101
            self.path = path
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   102
            self.oldpath = None
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   103
            self.mode = None
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   104
            self.op = 'MODIFY'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   105
            self.copymod = False
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   106
            self.lineno = 0
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   107
    
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   108
    # Filter patch for git information
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   109
    gitre = re.compile('diff --git a/(.*) b/(.*)')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   110
    pf = file(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   111
    gp = None
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   112
    gitpatches = []
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   113
    # Can have a git patch with only metadata, causing patch to complain
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   114
    dopatch = False
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   115
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   116
    lineno = 0
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   117
    for line in pf:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   118
        lineno += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   119
        if line.startswith('diff --git'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   120
            m = gitre.match(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   121
            if m:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   122
                if gp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   123
                    gitpatches.append(gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   124
                src, dst = m.group(1,2)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   125
                gp = gitpatch(dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   126
                gp.lineno = lineno
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   127
        elif gp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   128
            if line.startswith('--- '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   129
                if gp.op in ('COPY', 'RENAME'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   130
                    gp.copymod = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   131
                    dopatch = 'filter'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   132
                gitpatches.append(gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   133
                gp = None
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   134
                if not dopatch:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   135
                    dopatch = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   136
                continue
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   137
            if line.startswith('rename from '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   138
                gp.op = 'RENAME'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   139
                gp.oldpath = line[12:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   140
            elif line.startswith('rename to '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   141
                gp.path = line[10:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   142
            elif line.startswith('copy from '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   143
                gp.op = 'COPY'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   144
                gp.oldpath = line[10:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   145
            elif line.startswith('copy to '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   146
                gp.path = line[8:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   147
            elif line.startswith('deleted file'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   148
                gp.op = 'DELETE'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   149
            elif line.startswith('new file mode '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   150
                gp.op = 'ADD'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   151
                gp.mode = int(line.rstrip()[-3:], 8)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   152
            elif line.startswith('new mode '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   153
                gp.mode = int(line.rstrip()[-3:], 8)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   154
    if gp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   155
        gitpatches.append(gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   156
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   157
    if not gitpatches:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   158
        dopatch = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   159
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   160
    return (dopatch, gitpatches)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   161
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   162
def dogitpatch(patchname, gitpatches):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   163
    """Preprocess git patch so that vanilla patch can handle it"""
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   164
    pf = file(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   165
    pfline = 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   166
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   167
    fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   168
    tmpfp = os.fdopen(fd, 'w')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   169
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   170
    try:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   171
        for i in range(len(gitpatches)):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   172
            p = gitpatches[i]
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   173
            if not p.copymod:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   174
                continue
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   175
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   176
            if os.path.exists(p.path):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   177
                raise util.Abort(_("cannot create %s: destination already exists") %
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   178
                            p.path)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   179
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   180
            (src, dst) = [os.path.join(os.getcwd(), n)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   181
                          for n in (p.oldpath, p.path)]
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   182
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   183
            targetdir = os.path.dirname(dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   184
            if not os.path.isdir(targetdir):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   185
                os.makedirs(targetdir)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   186
            try:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   187
                shutil.copyfile(src, dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   188
                shutil.copymode(src, dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   189
            except shutil.Error, inst:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   190
                raise util.Abort(str(inst))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   191
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   192
            # rewrite patch hunk
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   193
            while pfline < p.lineno:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   194
                tmpfp.write(pf.readline())
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   195
                pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   196
            tmpfp.write('diff --git a/%s b/%s\n' % (p.path, p.path))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   197
            line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   198
            pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   199
            while not line.startswith('--- a/'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   200
                tmpfp.write(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   201
                line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   202
                pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   203
            tmpfp.write('--- a/%s\n' % p.path)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   204
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   205
        line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   206
        while line:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   207
            tmpfp.write(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   208
            line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   209
    except:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   210
        tmpfp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   211
        os.unlink(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   212
        raise
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   213
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   214
    tmpfp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   215
    return patchname
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   216
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   217
def patch(strip, patchname, ui, cwd=None):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   218
    """apply the patch <patchname> to the working directory.
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   219
    a list of patched files is returned"""
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   220
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   221
    (dopatch, gitpatches) = readgitpatch(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   222
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   223
    files = {}
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   224
    if dopatch:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   225
        if dopatch == 'filter':
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   226
            patchname = dogitpatch(patchname, gitpatches)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   227
        patcher = util.find_in_path('gpatch', os.environ.get('PATH', ''), 'patch')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   228
        args = []
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   229
        if cwd:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   230
            args.append('-d %s' % util.shellquote(cwd))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   231
        fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   232
                                           util.shellquote(patchname)))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   233
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   234
        if dopatch == 'filter':
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   235
            False and os.unlink(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   236
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   237
        for line in fp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   238
            line = line.rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   239
            ui.status("%s\n" % line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   240
            if line.startswith('patching file '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   241
                pf = util.parse_patch_output(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   242
                files.setdefault(pf, (None, None))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   243
        code = fp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   244
        if code:
2867
9a2a481ec3ea util: qualify name properly.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2865
diff changeset
   245
            raise util.Abort(_("patch command failed: %s") %
9a2a481ec3ea util: qualify name properly.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2865
diff changeset
   246
                             util.explain_exit(code)[0])
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   247
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   248
    for gp in gitpatches:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   249
        files[gp.path] = (gp.op, gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   250
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   251
    return files