Mercurial > hg > buttercup

annotate buttercup/source.py @ 20:60ddc49acd5f

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add partial checkout method to hg
author Jeff Hammel <jhammel@mozilla.com>
date Mon, 30 May 2011 13:49:51 -0700
parents d3b1bf9d8235
children 1f54294629f9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import os
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2 try:
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3 from subprocess import check_call as call
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4 except:
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5 from subprocess import call
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6
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7 class Source(object):
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8 """abstract base class for VCS source"""
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9 def __init__(self, uri, srcdir=None):
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10 self.uri = uri
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11 self.srcdir = srcdir or os.getcwd()
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13 @classmethod
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14 def directory_name(cls, uri):
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15 """return relative directory name from self.uri"""
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16 return uri.rstrip('/').split('/')[-1]
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18 def directory(self):
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19 return os.path.join(self.srcdir, self.directory_name(self.uri))
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20
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21 class HgSource(Source):
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22 """mercurial source"""
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23
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24 def update(self):
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25 """updates a checkout or does one if it does not exist"""
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26 if os.path.exists(self.directory()):
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27 assert os.path.exists(os.path.join(self.directory(), '.hg'))
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28 call(['hg', 'pull'], cwd=self.directory)
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29 call(['hg', 'update'], cwd=self.directory)
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30 else:
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31 pass
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33 class GitSource(Source):
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34
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35 @classmethod
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36 def directory_name(cls, uri):
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37 ext = '.git'
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38 if uri.endswith(uri):
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39 uri = uri[:-len(ext)]
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40 return Source.directory_name(uri)
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