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annotate mercurial/sparse.py @ 33298:f41a99c45956

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