Mercurial > hg
annotate tests/test-ancestor.py @ 18625:2cbd27f4f3c4
dirstate: walk returns None for files that have a symlink in their path
Previously dirstate.walk would return a stat object for files in the dmap
that have a symlink to a directory in their path. Now it will return None
to indicate that they are no longer considered part of the repository. This
currently only affects walks that traverse the entire directory tree (ex:
hg status) and not walks that only list the contents of the dmap (ex: hg diff).
In a situation like this:
mkdir foo && touch foo/a && hg commit -Am "a"
mv foo bar
ln -s bar foo
'hg status' will now show '! foo/a', whereas before it incorrectly considered
'foo/a' to be unchanged.
In addition to making 'hg status' report the correct information, this will
allow callers to dirstate.walk to not have to detect symlinks themselves,
which can be very expensive.
author | Durham Goode <durham@fb.com> |
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date | Mon, 04 Feb 2013 14:27:15 -0800 |
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1 from mercurial import ancestor |
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2 |
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3 # graph is a dict of child->parent adjacency lists for this graph: |
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4 # o 13 |
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5 # | |
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6 # | o 12 |
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7 # | | |
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8 # | | o 11 |
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9 # | | |\ |
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10 # | | | | o 10 |
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11 # | | | | | |
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12 # | o---+ | 9 |
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13 # | | | | | |
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14 # o | | | | 8 |
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15 # / / / / |
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16 # | | o | 7 |
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17 # | | | | |
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18 # o---+ | 6 |
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19 # / / / |
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20 # | | o 5 |
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21 # | |/ |
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22 # | o 4 |
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23 # | | |
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24 # o | 3 |
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25 # | | |
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26 # | o 2 |
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27 # |/ |
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28 # o 1 |
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29 # | |
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30 # o 0 |
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31 |
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32 graph = {0: [-1], 1: [0], 2: [1], 3: [1], 4: [2], 5: [4], 6: [4], |
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33 7: [4], 8: [-1], 9: [6, 7], 10: [5], 11: [3, 7], 12: [9], |
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34 13: [8]} |
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35 pfunc = graph.get |
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36 |
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37 class mockchangelog(object): |
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38 parentrevs = graph.get |
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39 |
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40 def runmissingancestors(revs, bases): |
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41 print "%% ancestors of %s and not of %s" % (revs, bases) |
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42 print ancestor.missingancestors(revs, bases, pfunc) |
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43 |
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44 def test_missingancestors(): |
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45 # Empty revs |
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46 runmissingancestors([], [1]) |
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47 runmissingancestors([], []) |
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48 |
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49 # If bases is empty, it's the same as if it were [nullrev] |
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50 runmissingancestors([12], []) |
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51 |
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52 # Trivial case: revs == bases |
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53 runmissingancestors([0], [0]) |
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54 runmissingancestors([4, 5, 6], [6, 5, 4]) |
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55 |
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56 # With nullrev |
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57 runmissingancestors([-1], [12]) |
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58 runmissingancestors([12], [-1]) |
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59 |
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60 # 9 is a parent of 12. 7 is a parent of 9, so an ancestor of 12. 6 is an |
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61 # ancestor of 12 but not of 7. |
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62 runmissingancestors([12], [9]) |
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63 runmissingancestors([9], [12]) |
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64 runmissingancestors([12, 9], [7]) |
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65 runmissingancestors([7, 6], [12]) |
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66 |
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67 # More complex cases |
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68 runmissingancestors([10], [11, 12]) |
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69 runmissingancestors([11], [10]) |
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70 runmissingancestors([11], [10, 12]) |
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71 runmissingancestors([12], [10]) |
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72 runmissingancestors([12], [11]) |
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73 runmissingancestors([10, 11, 12], [13]) |
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74 runmissingancestors([13], [10, 11, 12]) |
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75 |
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76 def genlazyancestors(revs, stoprev=0, inclusive=False): |
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77 print ("%% lazy ancestor set for %s, stoprev = %s, inclusive = %s" % |
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78 (revs, stoprev, inclusive)) |
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79 return ancestor.lazyancestors(mockchangelog, revs, stoprev=stoprev, |
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80 inclusive=inclusive) |
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81 |
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82 def printlazyancestors(s, l): |
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83 print [n for n in l if n in s] |
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84 |
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85 def test_lazyancestors(): |
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86 # Empty revs |
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87 s = genlazyancestors([]) |
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88 printlazyancestors(s, [3, 0, -1]) |
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89 |
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90 # Standard example |
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91 s = genlazyancestors([11, 13]) |
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92 printlazyancestors(s, [11, 13, 7, 9, 8, 3, 6, 4, 1, -1, 0]) |
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93 |
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94 # Including revs |
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95 s = genlazyancestors([11, 13], inclusive=True) |
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96 printlazyancestors(s, [11, 13, 7, 9, 8, 3, 6, 4, 1, -1, 0]) |
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97 |
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98 # Test with stoprev |
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99 s = genlazyancestors([11, 13], stoprev=6) |
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100 printlazyancestors(s, [11, 13, 7, 9, 8, 3, 6, 4, 1, -1, 0]) |
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101 s = genlazyancestors([11, 13], stoprev=6, inclusive=True) |
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102 printlazyancestors(s, [11, 13, 7, 9, 8, 3, 6, 4, 1, -1, 0]) |
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103 |
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104 if __name__ == '__main__': |
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105 test_missingancestors() |
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106 test_lazyancestors() |