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1 #!/usr/bin/env python
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2 """
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3 mercurial queue extension front-end policy manager
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4 """
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5
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6 import os
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7 import subprocess
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8 import sys
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9
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10 from command import CommandParser
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11
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12 def call(command, *args, **kw):
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13 code = subprocess.call(command, *args, **kw)
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14 if code:
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15 if isinstance(command, basestring):
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16 cmdstr = command
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17 else:
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18 cmdstr = ' '.join(command)
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19 raise SystemExit("Command `%s` exited with code %d" % (cmdstr, code))
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20
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21 class HQ(object):
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22 """
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23 mercurial queue extension front-end policy manager
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24 """
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25
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26 def __init__(self, parser, options):
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27 """initialize global options"""
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28 # TODO: look at hgrc file
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29
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30 def clone(self, repo, patch=None):
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31 """clone the repository and begin a patch queue"""
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32 directory = repo.rsplit('/', 1)
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33 call(['hg', 'clone', repo, directory])
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34 os.chdir(directory)
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35 call(['hg', 'qinit', '-c'])
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36 if patch:
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37 call(['hg', 'qnew', patch])
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38
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39 def edit(self, patch=None):
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40 """
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41 edit a patch
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42 - patch: the patch to edit
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43 """
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44
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45 def commit(self, message):
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46 """
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47 commit a patch and push it to the master repository
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48 """
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49 call(['hg', 'qrefresh'])
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50 call(['hg', 'qcommit', '-m', message])
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51 root = subprocess.Popen(['hg', 'root'], stdout=subprocess.PIPE).communicate()[0]
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52 os.chdir(os.path.join(root, '.hg', 'patches'))
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53 call(['hg', 'push'])
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54
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55 def pull(self, repo=None):
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56 """
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57 pull from the root repository
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58 """
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59 # TODO: commit prior to realignment
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60 call(['hg', 'qpop', '--all'])
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61 call(['hg', 'pull'] + repo and [repo] or [])
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62 call(['hg', 'qpush', '--all'])
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63
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64
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65 def main(args=sys.argv[1:]):
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66 parser = CommandParser(HQ)
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67 options, args = parser.parse_args(args)
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68 parser.invoke(args)
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69
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70 if __name__ == '__main__':
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71 main()
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