Mercurial > hg
annotate tests/generate-working-copy-states.py @ 28529:045cdf47851a
fsmonitor: flag msc_stdint as no-check-code
I'd rather not modify code that we're vendoring, so I'm just marking
it this way.
author | Augie Fackler <augie@google.com> |
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date | Mon, 14 Mar 2016 21:15:59 -0400 |
parents | a327a24acfea |
children | 3cf1995dbdd5 |
rev | line source |
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1 # Helper script used for generating history and working copy files and content. |
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2 # The file's name corresponds to its history. The number of changesets can |
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3 # be specified on the command line. With 2 changesets, files with names like |
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4 # content1_content2_content1-untracked are generated. The first two filename |
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5 # segments describe the contents in the two changesets. The third segment |
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6 # ("content1-untracked") describes the state in the working copy, i.e. |
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7 # the file has content "content1" and is untracked (since it was previously |
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8 # tracked, it has been forgotten). |
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9 # |
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10 # This script generates the filenames and their content, but it's up to the |
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11 # caller to tell hg about the state. |
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12 # |
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13 # There are two subcommands: |
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14 # filelist <numchangesets> |
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15 # state <numchangesets> (<changeset>|wc) |
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16 # |
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17 # Typical usage: |
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18 # |
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19 # $ python $TESTDIR/generate-working-copy-states.py state 2 1 |
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20 # $ hg addremove --similarity 0 |
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21 # $ hg commit -m 'first' |
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22 # |
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23 # $ python $TESTDIR/generate-working-copy-states.py state 2 1 |
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24 # $ hg addremove --similarity 0 |
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25 # $ hg commit -m 'second' |
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26 # |
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27 # $ python $TESTDIR/generate-working-copy-states.py state 2 wc |
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28 # $ hg addremove --similarity 0 |
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29 # $ hg forget *_*_*-untracked |
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30 # $ rm *_*_missing-* |
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31 |
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32 from __future__ import absolute_import |
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33 |
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34 import os |
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35 import sys |
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36 |
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37 # Generates pairs of (filename, contents), where 'contents' is a list |
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38 # describing the file's content at each revision (or in the working copy). |
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39 # At each revision, it is either None or the file's actual content. When not |
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40 # None, it may be either new content or the same content as an earlier |
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41 # revisions, so all of (modified,clean,added,removed) can be tested. |
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42 def generatestates(maxchangesets, parentcontents): |
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43 depth = len(parentcontents) |
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44 if depth == maxchangesets + 1: |
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45 for tracked in ('untracked', 'tracked'): |
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46 filename = "_".join([(content is None and 'missing' or content) for |
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47 content in parentcontents]) + "-" + tracked |
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48 yield (filename, parentcontents) |
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49 else: |
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50 for content in (set([None, 'content' + str(depth + 1)]) | |
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51 set(parentcontents)): |
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52 for combination in generatestates(maxchangesets, |
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53 parentcontents + [content]): |
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54 yield combination |
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55 |
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56 # retrieve the command line arguments |
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57 target = sys.argv[1] |
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58 maxchangesets = int(sys.argv[2]) |
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59 if target == 'state': |
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60 depth = sys.argv[3] |
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61 |
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62 # sort to make sure we have stable output |
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63 combinations = sorted(generatestates(maxchangesets, [])) |
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64 |
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65 # compute file content |
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66 content = [] |
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67 for filename, states in combinations: |
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68 if target == 'filelist': |
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69 print filename |
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70 elif target == 'state': |
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71 if depth == 'wc': |
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72 # Make sure there is content so the file gets written and can be |
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73 # tracked. It will be deleted outside of this script. |
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74 content.append((filename, states[maxchangesets] or 'TOBEDELETED')) |
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75 else: |
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76 content.append((filename, states[int(depth) - 1])) |
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77 else: |
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78 print >> sys.stderr, "unknown target:", target |
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79 sys.exit(1) |
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80 |
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81 # write actual content |
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82 for filename, data in content: |
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83 if data is not None: |
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84 f = open(filename, 'wb') |
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85 f.write(data + '\n') |
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86 f.close() |
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87 elif os.path.exists(filename): |
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88 os.remove(filename) |