Mercurial > hg
annotate tests/test-merge6.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 | f2719b387380 |
children | 2428e8ec0793 |
rev | line source |
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1 $ cat <<EOF > merge |
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2 > import sys, os |
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3 > print "merging for", os.path.basename(sys.argv[1]) |
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4 > EOF |
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5 $ HGMERGE="python ../merge"; export HGMERGE |
616 | 6 |
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7 $ hg init A1 |
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8 $ cd A1 |
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9 $ echo This is file foo1 > foo |
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10 $ echo This is file bar1 > bar |
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11 $ hg add foo bar |
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12 $ hg commit -m "commit text" |
616 | 13 |
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14 $ cd .. |
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15 $ hg clone A1 B1 |
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16 updating to branch default |
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17 2 files updated, 0 files merged, 0 files removed, 0 files unresolved |
616 | 18 |
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19 $ cd A1 |
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20 $ rm bar |
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21 $ hg remove bar |
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22 $ hg commit -m "commit test" |
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23 |
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24 $ cd ../B1 |
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25 $ echo This is file foo22 > foo |
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26 $ hg commit -m "commit test" |
616 | 27 |
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28 $ cd .. |
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29 $ hg clone A1 A2 |
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30 updating to branch default |
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31 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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32 $ hg clone B1 B2 |
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33 updating to branch default |
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34 2 files updated, 0 files merged, 0 files removed, 0 files unresolved |
616 | 35 |
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36 $ cd A1 |
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37 $ hg pull ../B1 |
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38 pulling from ../B1 |
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39 searching for changes |
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40 adding changesets |
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41 adding manifests |
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42 adding file changes |
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43 added 1 changesets with 1 changes to 1 files (+1 heads) |
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44 (run 'hg heads' to see heads, 'hg merge' to merge) |
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45 $ hg merge |
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46 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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47 (branch merge, don't forget to commit) |
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48 $ hg commit -m "commit test" |
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49 bar should remain deleted. |
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50 $ hg manifest --debug |
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51 f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644 foo |
616 | 52 |
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53 $ cd ../B2 |
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54 $ hg pull ../A2 |
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55 pulling from ../A2 |
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56 searching for changes |
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57 adding changesets |
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58 adding manifests |
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59 adding file changes |
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60 added 1 changesets with 0 changes to 0 files (+1 heads) |
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61 (run 'hg heads' to see heads, 'hg merge' to merge) |
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62 $ hg merge |
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63 0 files updated, 0 files merged, 1 files removed, 0 files unresolved |
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64 (branch merge, don't forget to commit) |
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65 $ hg commit -m "commit test" |
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66 bar should remain deleted. |
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67 $ hg manifest --debug |
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68 f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644 foo |
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69 |
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70 $ cd .. |