Mercurial > hg
annotate tests/test-excessive-merge.t @ 30706:2e4862646f02
repair: speed up stripping of many roots
repair.strip() expects a set of root revisions to strip. It then
builds the full set of descedants by walking the descandants of
each. It is rare that more than a few roots get passed in, but if that
happens, it will wastefully walk the changelog for each root. So let's
just walk it once.
I noticed this because the narrowhg extension was passing not only
roots, but all the commits to strip. When there were tens of thousands
of commits to strip, this resulted in quadratic behavior with that
extension.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 04 Jan 2017 10:07:12 -0800 |
parents | b7a966ce89ed |
children | 009d0283de5f |
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1 $ hg init |
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2 |
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3 $ echo foo > a |
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4 $ echo foo > b |
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5 $ hg add a b |
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6 |
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7 $ hg ci -m "test" |
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8 |
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9 $ echo blah > a |
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10 |
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11 $ hg ci -m "branch a" |
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12 |
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13 $ hg co 0 |
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14 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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15 |
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16 $ echo blah > b |
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17 |
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18 $ hg ci -m "branch b" |
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19 created new head |
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20 $ HGMERGE=true hg merge 1 |
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21 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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22 (branch merge, don't forget to commit) |
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23 |
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24 $ hg ci -m "merge b/a -> blah" |
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25 |
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26 $ hg co 1 |
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27 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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28 $ HGMERGE=true hg merge 2 |
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29 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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30 (branch merge, don't forget to commit) |
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31 $ hg ci -m "merge a/b -> blah" |
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32 created new head |
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33 |
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34 $ hg log |
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35 changeset: 4:2ee31f665a86 |
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36 tag: tip |
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37 parent: 1:96155394af80 |
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38 parent: 2:92cc4c306b19 |
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39 user: test |
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40 date: Thu Jan 01 00:00:00 1970 +0000 |
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41 summary: merge a/b -> blah |
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42 |
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43 changeset: 3:e16a66a37edd |
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44 parent: 2:92cc4c306b19 |
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45 parent: 1:96155394af80 |
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46 user: test |
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47 date: Thu Jan 01 00:00:00 1970 +0000 |
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48 summary: merge b/a -> blah |
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49 |
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50 changeset: 2:92cc4c306b19 |
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51 parent: 0:5e0375449e74 |
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52 user: test |
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53 date: Thu Jan 01 00:00:00 1970 +0000 |
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54 summary: branch b |
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55 |
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56 changeset: 1:96155394af80 |
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57 user: test |
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58 date: Thu Jan 01 00:00:00 1970 +0000 |
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59 summary: branch a |
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60 |
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61 changeset: 0:5e0375449e74 |
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62 user: test |
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63 date: Thu Jan 01 00:00:00 1970 +0000 |
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64 summary: test |
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65 |
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66 $ hg debugindex --changelog |
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67 rev offset length ..... linkrev nodeid p1 p2 (re) |
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68 0 0 60 ..... 0 5e0375449e74 000000000000 000000000000 (re) |
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69 1 60 62 ..... 1 96155394af80 5e0375449e74 000000000000 (re) |
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70 2 122 62 ..... 2 92cc4c306b19 5e0375449e74 000000000000 (re) |
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71 3 184 69 ..... 3 e16a66a37edd 92cc4c306b19 96155394af80 (re) |
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72 4 253 69 ..... 4 2ee31f665a86 96155394af80 92cc4c306b19 (re) |
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73 |
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74 revision 1 |
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75 $ hg manifest --debug 1 |
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76 79d7492df40aa0fa093ec4209be78043c181f094 644 a |
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77 2ed2a3912a0b24502043eae84ee4b279c18b90dd 644 b |
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78 revision 2 |
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79 $ hg manifest --debug 2 |
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80 2ed2a3912a0b24502043eae84ee4b279c18b90dd 644 a |
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81 79d7492df40aa0fa093ec4209be78043c181f094 644 b |
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82 revision 3 |
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83 $ hg manifest --debug 3 |
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84 79d7492df40aa0fa093ec4209be78043c181f094 644 a |
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85 79d7492df40aa0fa093ec4209be78043c181f094 644 b |
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86 revision 4 |
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87 $ hg manifest --debug 4 |
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88 79d7492df40aa0fa093ec4209be78043c181f094 644 a |
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89 79d7492df40aa0fa093ec4209be78043c181f094 644 b |
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90 |
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91 $ hg debugindex a |
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96 $ hg verify |
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97 checking changesets |
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98 checking manifests |
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99 crosschecking files in changesets and manifests |
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100 checking files |
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101 2 files, 5 changesets, 4 total revisions |