Mercurial > hg
annotate tests/test-convert-darcs.t @ 24787:9d5c27890790
largefiles: for update -C, only update largefiles when necessary
Before, a --clean update with largefiles would use the "optimization" that it
didn't read hashes from standin files before and after the update. Instead of
trusting the content of the standin files, it would rehash all the actual
largefiles that lfdirstate reported clean and update the standins that didn't
have the expected content. It could thus in some "impossible" situations
automatically recover from some "largefile got out sync with its standin"
issues (even there apparently still were weird corner cases where it could
fail). This extra checking is similar to what core --clean intentionally do
not do, and it made update --clean unbearable slow.
Usually in core Mercurial, --clean will rely on the dirstate to find the files
it should update. (It is thus intentionally possible (when trying to trick the
system or if there should be bugs) to end up in situations where --clean not
will restore the working directory content correctly.) Checking every file when
we "know" it is ok is however not an option - that would be too slow.
Instead, trust the content of the standin files. Use the same logic for --clean
as for linear updates and trust the dirstate and that our "logic" will keep
them in sync. It is much cheaper to just rehash the largefiles reported dirty
by a status walk and read all standins than to hash largefiles.
Most of the changes are just a change of indentation now when the different
kinds of updates no longer are handled that differently. Standins for added
files are however only written when doing a normal update, while deleted and
removed files only will be updated for --clean updates.
author | Mads Kiilerich <madski@unity3d.com> |
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date | Wed, 15 Apr 2015 15:22:16 -0400 |
parents | 7a9cbb315d84 |
children | ab929a174f7b |
rev | line source |
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1 #require darcs |
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3 $ echo "[extensions]" >> $HGRCPATH |
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4 $ echo "convert=" >> $HGRCPATH |
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5 $ DARCS_EMAIL='test@example.org'; export DARCS_EMAIL |
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6 |
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7 initialize darcs repo |
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8 |
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9 $ mkdir darcs-repo |
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10 $ cd darcs-repo |
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11 $ darcs init |
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12 $ echo a > a |
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13 $ darcs record -a -l -m p0 |
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14 Finished recording patch 'p0' |
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15 $ cd .. |
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16 |
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17 branch and update |
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18 |
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19 $ darcs get -q darcs-repo darcs-clone >/dev/null |
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20 $ cd darcs-clone |
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21 $ echo c >> a |
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22 $ echo c > c |
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23 $ darcs record -a -l -m p1.1 |
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24 Finished recording patch 'p1.1' |
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25 $ cd .. |
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27 skip if we can't import elementtree |
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28 |
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29 $ if hg convert darcs-repo darcs-dummy 2>&1 | grep ElementTree > /dev/null; then |
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30 > echo 'skipped: missing feature: elementtree module' |
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31 > exit 80 |
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32 > fi |
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33 |
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34 update source |
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35 |
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36 $ cd darcs-repo |
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37 $ echo b >> a |
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38 $ echo b > b |
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39 $ darcs record -a -l -m p1.2 |
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40 Finished recording patch 'p1.2' |
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41 |
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42 $ darcs pull -q -a --no-set-default ../darcs-clone |
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43 Backing up ./a(*) (glob) |
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44 We have conflicts in the following files: |
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45 ./a |
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46 $ sleep 1 |
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47 $ echo e > a |
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48 $ echo f > f |
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49 $ mkdir dir |
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50 $ echo d > dir/d |
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51 $ echo d > dir/d2 |
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52 $ darcs record -a -l -m p2 |
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53 Finished recording patch 'p2' |
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54 |
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55 test file and directory move |
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57 $ darcs mv f ff |
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58 |
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59 Test remove + move |
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60 |
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61 $ darcs remove dir/d2 |
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62 $ rm dir/d2 |
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63 $ darcs mv dir dir2 |
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64 $ darcs record -a -l -m p3 |
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65 Finished recording patch 'p3' |
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66 |
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67 The converter does not currently handle patch conflicts very well. |
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68 When they occur, it reverts *all* changes and moves forward, |
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69 letting the conflict resolving patch fix collisions. |
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70 Unfortunately, non-conflicting changes, like the addition of the |
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71 "c" file in p1.1 patch are reverted too. |
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72 Just to say that manifest not listing "c" here is a bug. |
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74 $ cd .. |
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75 $ hg convert darcs-repo darcs-repo-hg |
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76 initializing destination darcs-repo-hg repository |
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77 scanning source... |
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78 sorting... |
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79 converting... |
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80 4 p0 |
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81 3 p1.2 |
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82 2 p1.1 |
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83 1 p2 |
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84 0 p3 |
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85 $ hg log -R darcs-repo-hg -g --template '{rev} "{desc|firstline}" ({author}) files: {files}\n' "$@" |
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86 4 "p3" (test@example.org) files: dir/d dir/d2 dir2/d f ff |
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87 3 "p2" (test@example.org) files: a dir/d dir/d2 f |
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88 2 "p1.1" (test@example.org) files: |
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89 1 "p1.2" (test@example.org) files: a b |
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90 0 "p0" (test@example.org) files: a |
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92 $ hg up -q -R darcs-repo-hg |
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93 $ hg -R darcs-repo-hg manifest --debug |
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94 7225b30cdf38257d5cc7780772c051b6f33e6d6b 644 a |
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95 1e88685f5ddec574a34c70af492f95b6debc8741 644 b |
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96 37406831adc447ec2385014019599dfec953c806 644 dir2/d |
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97 b783a337463792a5c7d548ad85a7d3253c16ba8c 644 ff |
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98 |
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99 #if no-outer-repo |
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100 |
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101 try converting darcs1 repository |
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102 |
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103 $ hg clone -q "$TESTDIR/bundles/darcs1.hg" darcs |
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104 $ hg convert -s darcs darcs/darcs1 2>&1 | grep darcs-1.0 |
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105 darcs-1.0 repository format is unsupported, please upgrade |
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106 |
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107 #endif |