Mercurial > hg
annotate tests/test-extdata.t @ 47072:4c041c71ec01
revlog: introduce an explicit tracking of what the revlog is about
Since the dawn of time, people have been forced to rely to lossy introspection
of the index filename to determine what the purpose and role of the revlog they
encounter is. This is hacky, error prone, inflexible, abstraction-leaky,
<insert-your-own-complaints-here>.
In f63299ee7e4d Raphaël introduced a new attribute to track this information:
`revlog_kind`. However it is initialized in an odd place and various instances
end up not having it set. In addition is only tracking some of the information
we end up having to introspect in various pieces of code.
So we add a new attribute that holds more data and is more strictly enforced.
This work is done in collaboration with Raphaël.
The `revlog_kind` one will be removed/adapted in the next changeset. We expect
to be able to clean up various existing piece of code and to simplify coming
work around the newer revlog format.
Differential Revision: https://phab.mercurial-scm.org/D10352
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 05:20:24 +0200 |
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1 $ hg init repo |
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2 $ cd repo |
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3 $ for n in 0 1 2 3 4 5 6 7 8 9 10 11; do |
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4 > echo $n > $n |
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5 > hg ci -qAm $n |
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6 > done |
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7 |
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8 test revset support |
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9 |
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10 $ cat <<'EOF' >> .hg/hgrc |
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11 > [extdata] |
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12 > filedata = file:extdata.txt |
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13 > notes = notes.txt |
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14 > shelldata = shell:cat extdata.txt | grep 2 |
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15 > emptygrep = shell:cat extdata.txt | grep empty |
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16 > badparse = shell:cat badparse.txt |
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17 > EOF |
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18 $ cat <<'EOF' > extdata.txt |
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19 > 2 another comment on 2 |
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20 > 3 |
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21 > EOF |
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22 $ cat <<'EOF' > notes.txt |
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23 > f6ed this change is great! |
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24 > e834 this is buggy :( |
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25 > 0625 first post |
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26 > bogusnode gives no error |
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27 > a ambiguous node gives no error |
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28 > EOF |
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29 |
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30 $ hg log -qr "extdata(filedata)" |
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31 2:f6ed99a58333 |
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32 3:9de260b1e88e |
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33 $ hg log -qr "extdata(shelldata)" |
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34 2:f6ed99a58333 |
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35 |
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36 test weight of extdata() revset |
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37 |
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38 $ hg debugrevspec -p optimized "extdata(filedata) & 3" |
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39 * optimized: |
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40 (andsmally |
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41 (func |
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42 (symbol 'extdata') |
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43 (symbol 'filedata')) |
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44 (symbol '3')) |
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45 3 |
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46 |
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47 test non-zero exit of shell command |
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48 |
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49 $ hg log -qr "extdata(emptygrep)" |
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50 abort: extdata command 'cat extdata.txt | grep empty' failed: exited with status 1 |
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51 [255] |
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52 |
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53 test bad extdata() revset source |
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54 |
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55 $ hg log -qr "extdata()" |
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56 hg: parse error: extdata takes at least 1 string argument |
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57 [10] |
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58 $ hg log -qr "extdata(unknown)" |
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59 abort: unknown extdata source 'unknown' |
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60 [255] |
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61 |
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62 test a zero-exiting source that emits garbage to confuse the revset parser |
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63 |
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64 $ cat > badparse.txt <<'EOF' |
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65 > +---------------------------------------+ |
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66 > 9de260b1e88e |
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67 > EOF |
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68 |
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69 It might be nice if this error message mentioned where the bad string |
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70 came from (eg line X of extdata source S), but the important thing is |
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71 that we don't crash before we can print the parse error. |
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72 $ hg log -qr "extdata(badparse)" |
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73 hg: parse error at 0: not a prefix: + |
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74 (+---------------------------------------+ |
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75 ^ here) |
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76 [10] |
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77 |
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78 test template support: |
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79 |
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80 $ hg log -r:3 -T "{node|short}{if(extdata('notes'), ' # {extdata('notes')}')}\n" |
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81 06254b906311 # first post |
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82 e8342c9a2ed1 # this is buggy :( |
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83 f6ed99a58333 # this change is great! |
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84 9de260b1e88e |
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85 |
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86 test template cache: |
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87 |
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88 $ hg log -r:3 -T '{rev} "{extdata("notes")}" "{extdata("shelldata")}"\n' |
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89 0 "first post" "" |
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90 1 "this is buggy :(" "" |
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91 2 "this change is great!" "another comment on 2" |
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92 3 "" "" |
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93 |
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94 test bad extdata() template source |
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95 |
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96 $ hg log -T "{extdata()}\n" |
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97 hg: parse error: extdata expects one argument |
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98 [10] |
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99 $ hg log -T "{extdata('unknown')}\n" |
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100 abort: unknown extdata source 'unknown' |
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101 [255] |
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102 $ hg log -T "{extdata(unknown)}\n" |
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103 hg: parse error: empty data source specified |
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104 (did you mean extdata('unknown')?) |
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105 [10] |
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106 $ hg log -T "{extdata('{unknown}')}\n" |
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107 hg: parse error: empty data source specified |
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108 [10] |
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109 |
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110 we don't fix up relative file URLs, but we do run shell commands in repo root |
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111 |
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112 $ mkdir sub |
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113 $ cd sub |
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114 $ hg log -qr "extdata(filedata)" |
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115 abort: error: $ENOENT$ |
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116 [100] |
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117 $ hg log -qr "extdata(shelldata)" |
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118 2:f6ed99a58333 |
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119 |
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120 $ cd .. |