Mercurial > hg
annotate tests/test-pending.t @ 16363:2cdd7e63211b
parsers: incrementally parse the revlog index in C
We only parse entries in a revlog index file when they are actually
needed, and cache them when first requested.
This makes a huge difference to performance on large revlogs when
accessing the tip revision or performing a handful of numeric lookups
(very common cases). For instance, "hg --time tip --template {node}"
on a tree with 300,000 revs takes 0.15 before, 0.02 after.
Even for revlog-intensive operations (e.g. running "hg log" to
completion), the lazy approach is about 1% faster than the eager
parse_index2.
author | Bryan O'Sullivan <bryano@fb.com> |
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date | Thu, 05 Apr 2012 13:00:35 -0700 |
parents | a3dcc59054ca |
children | 921458360270 |
rev | line source |
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1 $ "$TESTDIR/hghave" system-sh || exit 80 |
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2 |
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3 Verify that pending changesets are seen by pretxn* hooks but not by other |
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4 processes that access the destination repo while the hooks are running. |
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5 |
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6 The hooks (python and external) both reject changesets after some think time, |
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7 during which another process runs pull. Each hook creates a file ('notify') to |
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8 indicate to the controlling process that it is running; the process removes the |
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9 file to indicate the hook can terminate. |
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10 |
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11 init env vars |
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12 |
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13 $ d=`pwd` |
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14 $ maxwait=20 |
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15 |
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16 utility to run the test - start a push in the background and run pull |
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17 |
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18 $ dotest() { |
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19 > rm -f notify |
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20 > printf 'push '; hg -R child-push tip --template '{node}\n' |
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21 > hg -R child-push -q push > push.out 2>&1 & |
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22 > |
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23 > # wait for hook to create the notify file |
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24 > i=$maxwait |
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25 > while [ ! -f notify -a $i != 0 ]; do |
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26 > sleep 1 |
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27 > i=`expr $i - 1` |
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28 > done |
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29 > |
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30 > # run pull |
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31 > hg -R child-pull -q pull |
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32 > rc=$? |
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33 > |
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34 > # tell hook to finish; notify should exist. |
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35 > rm notify |
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36 > wait |
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37 > |
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38 > cat push.out |
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39 > printf 'pull '; hg -R child-pull tip --template '{node}\n' |
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40 > return $rc |
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41 > } |
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42 |
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43 python hook |
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44 |
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45 $ cat <<EOF > reject.py |
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46 > import os, time |
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47 > from mercurial import ui, localrepo |
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48 > def rejecthook(ui, repo, hooktype, node, **opts): |
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49 > ui.write('hook %s\\n' % repo['tip'].hex()) |
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50 > # create the notify file so caller knows we're running |
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51 > fpath = os.path.join('$d', 'notify') |
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52 > f = open(fpath, 'w') |
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53 > f.close() |
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54 > # wait for ack - caller should delete the notify file |
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55 > i = $maxwait |
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56 > while os.path.exists(fpath) and i > 0: |
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57 > time.sleep(1) |
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58 > i -= 1 |
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59 > return True # reject the changesets |
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60 > EOF |
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61 |
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62 external hook |
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63 |
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64 $ cat <<EOF > reject.sh |
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65 > #! /bin/sh |
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66 > printf 'hook '; hg tip --template '{node}\\n' |
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67 > # create the notify file so caller knows we're running |
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68 > fpath=$d/notify |
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69 > touch \$fpath |
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70 > # wait for ack - caller should delete the notify file |
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71 > i=$maxwait |
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72 > while [ -f \$fpath -a \$i != 0 ]; do |
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73 > sleep 1 |
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74 > i=\`expr \$i - 1\` |
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75 > done |
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76 > exit 1 # reject the changesets |
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77 > EOF |
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78 $ chmod +x reject.sh |
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79 |
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80 create repos |
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81 |
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82 $ hg init parent |
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83 $ hg clone -q parent child-push |
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84 $ hg clone -q parent child-pull |
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85 $ echo a > child-push/a |
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86 $ hg -R child-push add child-push/a |
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87 $ hg -R child-push commit -m a -d '1000000 0' |
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88 |
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89 test python hook |
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90 |
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91 $ cat <<EOF > parent/.hg/hgrc |
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92 > [extensions] |
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93 > reject = $d/reject.py |
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94 > [hooks] |
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95 > pretxnchangegroup = python:reject.rejecthook |
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96 > EOF |
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97 |
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98 $ dotest |
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99 push 29b62aeb769fdf78d8d9c5f28b017f76d7ef824b |
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100 hook 29b62aeb769fdf78d8d9c5f28b017f76d7ef824b |
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101 transaction abort! |
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102 rollback completed |
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103 abort: pretxnchangegroup hook failed |
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104 pull 0000000000000000000000000000000000000000 |
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105 |
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106 test external hook |
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107 |
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108 $ cat <<EOF > parent/.hg/hgrc |
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109 > [hooks] |
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110 > pretxnchangegroup = $d/reject.sh |
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111 > EOF |
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112 |
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113 $ dotest |
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114 push 29b62aeb769fdf78d8d9c5f28b017f76d7ef824b |
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115 hook 29b62aeb769fdf78d8d9c5f28b017f76d7ef824b |
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116 transaction abort! |
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117 rollback completed |
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118 abort: pretxnchangegroup hook exited with status 1 |
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119 pull 0000000000000000000000000000000000000000 |