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annotate tests/test-confused-revert @ 2577:fa76c5d609c9

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bdiff: improve worst case behavior by 100x. on 5.8MB (244.000 lines) text file with similar lines, hash before this change made diff against empty file take 75 seconds. this change improves performance to 0.6 seconds. result is that clone of smallish repo (137MB) with some files like this takes 1 minute instead of 10 minutes. common case of diff is 10% slower now, probably because of worse cache locality. but diff does not affect overall performance in common case (less than 1% of runtime is in diff when it is working ok), so this tradeoff looks good.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Fri, 07 Jul 2006 15:02:55 -0700
parents e506c14382fd
children 890e285c52a1
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1 #!/bin/sh
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2
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3 hg init
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4 echo foo > a
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5 hg add a
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6 hg commit -m "1" -d "1000000 0"
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8 echo bar > b
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9 hg add b
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10 hg remove a
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12 echo "%%% should show a removed and b added"
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13 hg status
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15 echo "reverting..."
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16 hg revert
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18 echo "%%% should show b unknown and a back to normal"
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19 hg status
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21 rm b
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23 hg co -C 0
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24 echo foo-a > a
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25 hg commit -m "2a" -d "1000000 0"
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27 hg co -C 0
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28 echo foo-b > a
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29 hg commit -m "2b" -d "1000000 0"
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31 HGMERGE=true hg merge 1
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33 echo "%%% should show foo-b"
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34 cat a
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36 echo bar > b
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37 hg add b
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38 rm a
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39 hg remove a
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41 echo "%%% should show a removed and b added"
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42 hg status
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44 echo "%%% revert should fail"
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45 hg revert
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47 echo "%%% revert should be ok now"
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48 hg revert -r2
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50 echo "%%% should show b unknown and a marked modified (merged)"
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51 hg status
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53 echo "%%% should show foo-b"
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54 cat a
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