Mercurial > hg
annotate tests/test-cache-abuse.t @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | 1a09dad8b85a |
children | 34a46d48d24e |
rev | line source |
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1 Enable obsolete markers |
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2 |
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3 $ cat >> $HGRCPATH << EOF |
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4 > [experimental] |
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5 > evolution.createmarkers=True |
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6 > [phases] |
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7 > publish=False |
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8 > EOF |
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9 |
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10 Build a repo with some cacheable bits: |
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11 |
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12 $ hg init a |
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13 $ cd a |
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14 |
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15 $ echo a > a |
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16 $ hg ci -qAm0 |
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17 $ hg tag t1 |
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18 $ hg book -i bk1 |
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19 |
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20 $ hg branch -q b2 |
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21 $ hg ci -Am1 |
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22 $ hg tag t2 |
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23 |
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24 $ echo dumb > dumb |
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25 $ hg ci -qAmdumb |
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26 $ hg debugobsolete b1174d11b69e63cb0c5726621a43c859f0858d7f |
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27 obsoleted 1 changesets |
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28 |
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29 $ hg phase -pr t1 |
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30 $ hg phase -fsr t2 |
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31 |
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32 Make a helper function to check cache damage invariants: |
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33 |
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34 - command output shouldn't change |
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35 - cache should be present after first use |
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36 - corruption/repair should be silent (no exceptions or warnings) |
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37 - cache should survive deletion, overwrite, and append |
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38 - unreadable / unwriteable caches should be ignored |
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39 - cache should be rebuilt after corruption |
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40 |
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41 $ damage() { |
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42 > CMD=$1 |
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43 > CACHE=.hg/cache/$2 |
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44 > CLEAN=$3 |
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45 > hg $CMD > before |
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46 > test -f $CACHE || echo "not present" |
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47 > echo bad > $CACHE |
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48 > test -z "$CLEAN" || $CLEAN |
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49 > hg $CMD > after |
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50 > "$RUNTESTDIR/pdiff" before after || echo "*** overwrite corruption" |
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51 > echo corruption >> $CACHE |
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52 > test -z "$CLEAN" || $CLEAN |
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53 > hg $CMD > after |
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54 > "$RUNTESTDIR/pdiff" before after || echo "*** append corruption" |
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55 > rm $CACHE |
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56 > mkdir $CACHE |
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57 > test -z "$CLEAN" || $CLEAN |
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58 > hg $CMD > after |
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59 > "$RUNTESTDIR/pdiff" before after || echo "*** read-only corruption" |
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60 > test -d $CACHE || echo "*** directory clobbered" |
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61 > rmdir $CACHE |
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62 > test -z "$CLEAN" || $CLEAN |
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63 > hg $CMD > after |
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64 > "$RUNTESTDIR/pdiff" before after || echo "*** missing corruption" |
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65 > test -f $CACHE || echo "not rebuilt" |
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66 > } |
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67 |
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68 Beat up tags caches: |
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69 |
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70 $ damage "tags --hidden" tags2 |
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71 $ damage tags tags2-visible |
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72 $ damage "tag -f t3" hgtagsfnodes1 |
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73 1 new orphan changesets |
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74 1 new orphan changesets |
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75 1 new orphan changesets |
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76 1 new orphan changesets |
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77 1 new orphan changesets |
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78 |
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79 Beat up branch caches: |
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80 |
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81 $ damage branches branch2-base "rm .hg/cache/branch2-[vs]*" |
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82 $ damage branches branch2-served "rm .hg/cache/branch2-[bv]*" |
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83 $ damage branches branch2-visible |
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84 $ damage "log -r branch(.)" rbc-names-v1 |
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85 $ damage "log -r branch(default)" rbc-names-v1 |
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86 $ damage "log -r branch(b2)" rbc-revs-v1 |
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87 |
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88 We currently can't detect an rbc cache with unknown names: |
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89 |
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90 $ damage "log -qr branch(b2)" rbc-names-v1 |
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91 --- before * (glob) |
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92 +++ after * (glob) |
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93 @@ -1,8 +?,0 @@ (glob) |
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94 -2:5fb7d38b9dc4 |
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95 -3:60b597ffdafa |
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96 -4:b1174d11b69e |
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97 -5:6354685872c0 |
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98 -6:5ebc725f1bef |
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99 -7:7b76eec2f273 |
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100 -8:ef3428d9d644 |
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101 -9:ba7a936bc03c |
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102 *** append corruption |