Mercurial > hg
annotate mercurial/sparse.py @ 33299:41448fc51510
sparse: variable to track if sparse is enabled
Currently, the sparse extension sniffs repo instances for
attributes defined by the sparse extension to determine if
sparse is enabled. As we move code away from repo instances,
these checks will be a bit more brittle.
We introduce a module-level variable to track whether sparse is
enabled as a temporary workaround.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 06 Jul 2017 12:06:37 -0700 |
parents | f41a99c45956 |
children | f7a106b3f089 |
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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 # Whether sparse features are enabled. This variable is intended to be |
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16 # temporary to facilitate porting sparse to core. It should eventually be |
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17 # a per-repo option, possibly a repo requirement. |
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18 enabled = False |
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19 |
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20 def parseconfig(ui, raw): |
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21 """Parse sparse config file content. |
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22 |
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23 Returns a tuple of includes, excludes, and profiles. |
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24 """ |
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25 includes = set() |
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26 excludes = set() |
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27 current = includes |
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28 profiles = [] |
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29 for line in raw.split('\n'): |
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30 line = line.strip() |
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31 if not line or line.startswith('#'): |
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32 # empty or comment line, skip |
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33 continue |
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34 elif line.startswith('%include '): |
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35 line = line[9:].strip() |
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36 if line: |
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37 profiles.append(line) |
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38 elif line == '[include]': |
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39 if current != includes: |
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40 # TODO pass filename into this API so we can report it. |
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41 raise error.Abort(_('sparse config cannot have includes ' + |
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42 'after excludes')) |
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43 continue |
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44 elif line == '[exclude]': |
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45 current = excludes |
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46 elif line: |
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47 if line.strip().startswith('/'): |
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48 ui.warn(_('warning: sparse profile cannot use' + |
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49 ' paths starting with /, ignoring %s\n') % line) |
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50 continue |
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51 current.add(line) |
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52 |
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53 return includes, excludes, profiles |
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54 |
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55 # Exists as separate function to facilitate monkeypatching. |
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56 def readprofile(repo, profile, changeid): |
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57 """Resolve the raw content of a sparse profile file.""" |
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58 # TODO add some kind of cache here because this incurs a manifest |
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59 # resolve and can be slow. |
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60 return repo.filectx(profile, changeid=changeid).data() |