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tests/test-rank.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 01 Sep 2022 15:49:14 +0200
branchstable
changeset 49469 b5c8524827d2
parent 48764 f7d7facd7b9f
permissions -rw-r--r--
dirstate-v2: no longer register the data-file during transaction If the data file change during the transaction, we cannot truncate it. The content of the file itself is fine as it will get backed up at the same time as the docket. Leaving the trailing data at the end of failed transaction is fine. The dirstate-v2 format supports it. The dead data will simply we written over if necessary.

=============================================================
Check that we can compute and exchange revision rank properly
=============================================================

  $ cat << EOF >> $HGRCPATH
  > [format]
  > exp-use-changelog-v2=enable-unstable-format-and-corrupt-my-data
  > EOF


Test minimal rank computation with merge

  $ hg init rank-repo-minimal
  $ cd rank-repo-minimal
  $ touch 0
  $ hg commit -Aqm 0
  $ touch 1
  $ hg commit -Aqm 1
  $ hg update -qr 0
  $ touch 2
  $ hg commit -Aqm 2
  $ hg merge -qr 1
  $ hg commit -m 3
  $ touch 4
  $ hg commit -Aqm 4
  $ hg log --graph --template '{rev} {_fast_rank}\n'
  @  4 5
  |
  o    3 4
  |\
  | o  2 2
  | |
  o |  1 2
  |/
  o  0 1
  
  $ cd ..


Build a bigger example repo

  $ hg init rank-repo-generated
  $ cd rank-repo-generated
  $ hg debugbuilddag '.:root1+5:mp1<root1+10:mp2/mp1+3<mp1+2:mp3/mp2$+15/mp1+4'
  $ hg log -G -T '{desc}'
  o  r42
  |
  o  r41
  |
  o  r40
  |
  o  r39
  |
  o    r38
  |\
  | o  r37
  | |
  | o  r36
  | |
  | o  r35
  | |
  | o  r34
  | |
  | o  r33
  | |
  | o  r32
  | |
  | o  r31
  | |
  | o  r30
  | |
  | o  r29
  | |
  | o  r28
  | |
  | o  r27
  | |
  | o  r26
  | |
  | o  r25
  | |
  | o  r24
  | |
  | o  r23
  |
  | o    r22
  | |\
  | | o  r21
  | | |
  +---o  r20
  | |
  | | o  r19
  | | |
  | | o  r18
  | | |
  | | o  r17
  | | |
  +---o  r16
  | |/
  | o  r15
  | |
  | o  r14
  | |
  | o  r13
  | |
  | o  r12
  | |
  | o  r11
  | |
  | o  r10
  | |
  | o  r9
  | |
  | o  r8
  | |
  | o  r7
  | |
  | o  r6
  | |
  o |  r5
  | |
  o |  r4
  | |
  o |  r3
  | |
  o |  r2
  | |
  o |  r1
  |/
  o  r0
  


Check the rank
--------------

  $ hg log -G -T '{_fast_rank}'
  o  26
  |
  o  25
  |
  o  24
  |
  o  23
  |
  o    22
  |\
  | o  15
  | |
  | o  14
  | |
  | o  13
  | |
  | o  12
  | |
  | o  11
  | |
  | o  10
  | |
  | o  9
  | |
  | o  8
  | |
  | o  7
  | |
  | o  6
  | |
  | o  5
  | |
  | o  4
  | |
  | o  3
  | |
  | o  2
  | |
  | o  1
  |
  | o    19
  | |\
  | | o  8
  | | |
  +---o  7
  | |
  | | o  20
  | | |
  | | o  19
  | | |
  | | o  18
  | | |
  +---o  17
  | |/
  | o  11
  | |
  | o  10
  | |
  | o  9
  | |
  | o  8
  | |
  | o  7
  | |
  | o  6
  | |
  | o  5
  | |
  | o  4
  | |
  | o  3
  | |
  | o  2
  | |
  o |  6
  | |
  o |  5
  | |
  o |  4
  | |
  o |  3
  | |
  o |  2
  |/
  o  1
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