Mercurial > hgsubversion

annotate util.py @ 138:40474f6c1f84

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diff_cmd: more robust, add tests.
author Augie Fackler <durin42@gmail.com>
date Thu, 11 Dec 2008 19:49:36 -0600
parents 291925677a9f
children 9ffde8662967
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f2636cfed115 Initial import of hgsubversion into a public repository.
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1 import os
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2 import pickle
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3 import shutil
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4
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5 from mercurial import node
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6
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7 svn_subcommands = { }
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8
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9 def register_subcommand(name):
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10 def inner(fn):
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11 svn_subcommands[name] = fn
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12 return fn
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13 return inner
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14
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15
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16 def generate_help():
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17 ret = ['', 'hg svn subcommand\n', 'Subcommands:\n']
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18
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19 for name, func in sorted(svn_subcommands.items()):
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20 short_description = (func.__doc__ or '').split('\n')[0]
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21 ret.append(" %-10s %s" % (name, short_description))
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22
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23 return "\n".join(ret) + '\n'
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24
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25
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26 def wipe_all_files(hg_wc_path):
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27 files = [f for f in os.listdir(hg_wc_path) if f != '.hg']
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28 for f in files:
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29 f = os.path.join(hg_wc_path, f)
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30 if os.path.isdir(f):
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31 shutil.rmtree(f)
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32 else:
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33 os.remove(f)
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34
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35 REVMAP_FILE_VERSION = 1
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36 def parse_revmap(revmap_filename):
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37 revmap = {}
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38 f = open(revmap_filename)
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39 try:
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40 # Remove compat code after March of 2009. That should be more than long
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41 # enough.
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42 revmap = pickle.load(f)
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43 f.close()
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44 f = open(revmap_filename, 'w')
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45 f.write('1\n')
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46 for key, value in sorted(revmap.items()):
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47 f.write('%s %s %s\n' % (str(key[0]), node.hex(value), key[1] or ''))
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48 f.close()
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49 except:
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50 f.close()
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51 f = open(revmap_filename)
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52 ver = int(f.readline())
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53 if ver == 1:
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54 for l in f:
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55 revnum, node_hash, branch = l.split(' ', 2)
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56 if branch == '\n':
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57 branch = None
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58 else:
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59 branch = branch[:-1]
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60 revmap[int(revnum), branch] = node.bin(node_hash)
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61 f.close()
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62 else:
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63 print ('Your revmap was made by a newer version of hgsubversion.'
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64 ' Please upgrade.')
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65 raise NotImplementedError
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66 return revmap
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67
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68
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69 class PrefixMatch(object):
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70 def __init__(self, prefix):
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71 self.p = prefix
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72
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73 def files(self):
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74 return []
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75
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76 def __call__(self, fn):
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77 return fn.startswith(self.p)
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78
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79 def outgoing_revisions(ui, repo, hg_editor, reverse_map):
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80 """Given a repo and an hg_editor, determines outgoing revisions for the
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81 current working copy state.
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82 """
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83 outgoing_rev_hashes = []
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84 working_rev = repo.parents()
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85 assert len(working_rev) == 1
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86 working_rev = working_rev[0]
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87 if working_rev.node() in reverse_map:
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88 return
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89 while (not working_rev.node() in reverse_map
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90 and working_rev.node() != node.nullid):
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91 outgoing_rev_hashes.append(working_rev.node())
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92 working_rev = working_rev.parents()
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93 assert len(working_rev) == 1
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94 working_rev = working_rev[0]
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95 if working_rev.node() != node.nullid:
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96 return outgoing_rev_hashes
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99 def is_svn_repo(repo):
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100 return os.path.exists(os.path.join(repo.path, 'svn'))