mercurial/sparse.py
author Gregory Szorc <gregory.szorc@gmail.com>
Thu, 06 Jul 2017 12:14:12 -0700
changeset 33298 f41a99c45956
parent 33297 ba5d89774db6
child 33299 41448fc51510
permissions -rw-r--r--
sparse: move profile reading into core One more step towards weaning off methods on repo instances and moving code to core. While this function is only used once and is simple, it needs to exist on its own so Facebook can monkeypatch it to enable simplecache integration.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
33297
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     1
# sparse.py - functionality for sparse checkouts
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     2
#
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     3
# Copyright 2014 Facebook, Inc.
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     4
#
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     5
# This software may be used and distributed according to the terms of the
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     6
# GNU General Public License version 2 or any later version.
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     7
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     8
from __future__ import absolute_import
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
     9
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    10
from .i18n import _
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    11
from . import (
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    12
    error,
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    13
)
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    14
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    15
def parseconfig(ui, raw):
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    16
    """Parse sparse config file content.
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    17
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    18
    Returns a tuple of includes, excludes, and profiles.
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    19
    """
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    20
    includes = set()
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    21
    excludes = set()
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    22
    current = includes
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    23
    profiles = []
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    24
    for line in raw.split('\n'):
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    25
        line = line.strip()
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    26
        if not line or line.startswith('#'):
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    27
            # empty or comment line, skip
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    28
            continue
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    29
        elif line.startswith('%include '):
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    30
            line = line[9:].strip()
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    31
            if line:
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    32
                profiles.append(line)
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    33
        elif line == '[include]':
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    34
            if current != includes:
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    35
                # TODO pass filename into this API so we can report it.
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    36
                raise error.Abort(_('sparse config cannot have includes ' +
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    37
                                    'after excludes'))
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    38
            continue
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    39
        elif line == '[exclude]':
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    40
            current = excludes
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    41
        elif line:
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    42
            if line.strip().startswith('/'):
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    43
                ui.warn(_('warning: sparse profile cannot use' +
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    44
                          ' paths starting with /, ignoring %s\n') % line)
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    45
                continue
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    46
            current.add(line)
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    47
ba5d89774db6 sparse: move config parsing into core
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff changeset
    48
    return includes, excludes, profiles
33298
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    49
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    50
# Exists as separate function to facilitate monkeypatching.
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    51
def readprofile(repo, profile, changeid):
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    52
    """Resolve the raw content of a sparse profile file."""
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    53
    # TODO add some kind of cache here because this incurs a manifest
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    54
    # resolve and can be slow.
f41a99c45956 sparse: move profile reading into core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33297
diff changeset
    55
    return repo.filectx(profile, changeid=changeid).data()