tests/test-obshistory.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 07 Mar 2024 10:55:22 +0100
changeset 51531 f85f23f1479b
parent 48118 5105a9975407
permissions -rw-r--r--
branchcache: skip entries that are topological heads in the on disk file In the majority of cases, topological heads are also branch heads. We have efficient way to get the topological heads and efficient way to retrieve their branch information. So there is little value in putting them in the branch cache file explicitly. On the contrary, writing them explicitly tend to create very large cache file that are inefficient to read and update. So the branch cache v3 format is no longer including them. This changeset focus on the format aspect and have no focus on the performance aspect. We will cover that later.

This test file test the various messages when accessing obsolete
revisions.

Global setup
============

  $ . $TESTDIR/testlib/obsmarker-common.sh
  $ cat >> $HGRCPATH <<EOF
  > [ui]
  > interactive = true
  > [phases]
  > publish=False
  > [experimental]
  > evolution.createmarkers = yes
  > evolution.effect-flags = yes
  > evolution.allowdivergence=true
  > EOF

Test output on amended commit
=============================

Test setup
----------

  $ hg init $TESTTMP/local-amend
  $ cd $TESTTMP/local-amend
  $ mkcommit ROOT
  $ mkcommit A0
  $ echo 42 >> A0
  $ hg commit --amend -m "A1
  > 
  > Better commit message"
  $ hg log --hidden -G
  @  changeset:   2:4ae3a4151de9
  |  tag:         tip
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A1
  |
  | x  changeset:   1:471f378eab4c
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten using amend as 2:4ae3a4151de9
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
Actual test
-----------
  $ hg update 471f378eab4c
  abort: hidden revision '471f378eab4c' was rewritten as: 4ae3a4151de9
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden "desc(A0)"
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 471f378eab4c
  (hidden revision '471f378eab4c' was rewritten as: 4ae3a4151de9)

Test output with pruned commit
==============================

Test setup
----------

  $ hg init $TESTTMP/local-prune
  $ cd $TESTTMP/local-prune
  $ mkcommit ROOT
  $ mkcommit A0 # 0
  $ mkcommit B0 # 1
  $ hg log --hidden -G
  @  changeset:   2:0dec01379d3b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     B0
  |
  o  changeset:   1:471f378eab4c
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
  $ hg debugobsolete --record-parents `getid 'desc(B0)'`
  1 new obsolescence markers
  obsoleted 1 changesets

  $ hg log --hidden -G
  @  changeset:   2:0dec01379d3b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  obsolete:    pruned
  |  summary:     B0
  |
  o  changeset:   1:471f378eab4c
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  

Actual test
-----------
  $ hg up 1
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg up 0dec01379d3b
  abort: hidden revision '0dec01379d3b' is pruned
  (use --hidden to access hidden revisions)
  [10]
  $ hg up --hidden -r 'desc(B0)'
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 0dec01379d3b
  (hidden revision '0dec01379d3b' is pruned)

Test output with splitted commit
================================

Test setup
----------

  $ hg init $TESTTMP/local-split
  $ cd $TESTTMP/local-split
  $ mkcommit ROOT
  $ echo 42 >> a
  $ echo 43 >> b
  $ hg commit -A -m "A0"
  adding a
  adding b
  $ hg log --hidden -G
  @  changeset:   1:471597cad322
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
# Simulate a split
  $ hg up 0
  0 files updated, 0 files merged, 2 files removed, 0 files unresolved

  $ echo 42 >> a
  $ hg commit -A -m "A0"
  adding a
  created new head

  $ echo 43 >> b
  $ hg commit -A -m "A0"
  adding b

  $ hg debugobsolete `getid '1'` `getid '2'` `getid '3'`
  1 new obsolescence markers
  obsoleted 1 changesets

  $ hg log --hidden -G
  @  changeset:   3:f257fde29c7a
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   2:337fec4d2edc
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  | x  changeset:   1:471597cad322
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    split as 2:337fec4d2edc, 3:f257fde29c7a
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
Actual test
-----------
  $ hg update 471597cad322
  abort: hidden revision '471597cad322' was split as: 337fec4d2edc, f257fde29c7a
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'min(desc(A0))'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 471597cad322
  (hidden revision '471597cad322' was split as: 337fec4d2edc, f257fde29c7a)

Test output with lots of splitted commit
========================================

Test setup
----------

  $ hg init $TESTTMP/local-lots-split
  $ cd $TESTTMP/local-lots-split
  $ mkcommit ROOT
  $ echo 42 >> a
  $ echo 43 >> b
  $ echo 44 >> c
  $ echo 45 >> d
  $ hg commit -A -m "A0"
  adding a
  adding b
  adding c
  adding d
  $ hg log --hidden -G
  @  changeset:   1:de7290d8b885
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
# Simulate a split
  $ hg up 0
  0 files updated, 0 files merged, 4 files removed, 0 files unresolved

  $ echo 42 >> a
  $ hg commit -A -m "A0"
  adding a
  created new head

  $ echo 43 >> b
  $ hg commit -A -m "A0"
  adding b

  $ echo 44 >> c
  $ hg commit -A -m "A0"
  adding c

  $ echo 45 >> d
  $ hg commit -A -m "A0"
  adding d

  $ hg debugobsolete `getid '1'` `getid '2'` `getid '3'` `getid '4'` `getid '5'`
  1 new obsolescence markers
  obsoleted 1 changesets

  $ hg log --hidden -G
  @  changeset:   5:c7f044602e9b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   4:1ae8bc733a14
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   3:f257fde29c7a
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   2:337fec4d2edc
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  | x  changeset:   1:de7290d8b885
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    split as 2:337fec4d2edc, 3:f257fde29c7a, 4:1ae8bc733a14, 5:c7f044602e9b
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
Actual test
-----------
  $ hg update de7290d8b885
  abort: hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'min(desc(A0))'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset de7290d8b885
  (hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more)

Test output with folded commit
==============================

Test setup
----------

  $ hg init $TESTTMP/local-fold
  $ cd $TESTTMP/local-fold
  $ mkcommit ROOT
  $ mkcommit A0
  $ mkcommit B0
  $ hg log --hidden -G
  @  changeset:   2:0dec01379d3b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     B0
  |
  o  changeset:   1:471f378eab4c
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
# Simulate a fold
  $ hg up 0
  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ echo "A0" > A0
  $ echo "B0" > B0
  $ hg add A0 B0
  $ hg commit -m "C0"
  created new head

  $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(C0)'`
  1 new obsolescence markers
  obsoleted 1 changesets
  1 new orphan changesets
  $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(C0)'`
  1 new obsolescence markers
  obsoleted 1 changesets

  $ hg log --hidden -G
  @  changeset:   3:eb5a0daa2192
  |  tag:         tip
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     C0
  |
  | x  changeset:   2:0dec01379d3b
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  obsolete:    rewritten as 3:eb5a0daa2192
  | |  summary:     B0
  | |
  | x  changeset:   1:471f378eab4c
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten as 3:eb5a0daa2192
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
 Actual test
 -----------
  $ hg update 471f378eab4c
  abort: hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'desc(A0)'
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  updated to hidden changeset 471f378eab4c
  (hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192)
  $ hg update 0dec01379d3b
  abort: hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'desc(B0)'
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 0dec01379d3b
  (hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192)

Test output with divergence
===========================

Test setup
----------

  $ hg init $TESTTMP/local-divergence
  $ cd $TESTTMP/local-divergence
  $ mkcommit ROOT
  $ mkcommit A0
  $ hg commit --amend -m "A1"
  $ hg log --hidden -G
  @  changeset:   2:fdf9bde5129a
  |  tag:         tip
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A1
  |
  | x  changeset:   1:471f378eab4c
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten using amend as 2:fdf9bde5129a
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
  $ hg update --hidden 'desc(A0)'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 471f378eab4c
  (hidden revision '471f378eab4c' was rewritten as: fdf9bde5129a)
  $ hg commit --amend -m "A2"
  2 new content-divergent changesets
  $ hg log --hidden -G
  @  changeset:   3:65b757b745b9
  |  tag:         tip
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  instability: content-divergent
  |  summary:     A2
  |
  | *  changeset:   2:fdf9bde5129a
  |/   parent:      0:ea207398892e
  |    user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    instability: content-divergent
  |    summary:     A1
  |
  | x  changeset:   1:471f378eab4c
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten using amend as 2:fdf9bde5129a
  |    obsolete:    rewritten using amend as 3:65b757b745b9
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
Actual test
-----------
  $ hg update 471f378eab4c
  abort: hidden revision '471f378eab4c' has diverged
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'desc(A0)'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 471f378eab4c
  (hidden revision '471f378eab4c' has diverged)

Test output with amended + folded commit
========================================

Test setup
----------

  $ hg init $TESTTMP/local-amend-fold
  $ cd $TESTTMP/local-amend-fold
  $ mkcommit ROOT
  $ mkcommit A0
  $ mkcommit B0
  $ hg commit --amend -m "B1"
  $ hg log --hidden -G
  @  changeset:   3:b7ea6d14e664
  |  tag:         tip
  |  parent:      1:471f378eab4c
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     B1
  |
  | x  changeset:   2:0dec01379d3b
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten using amend as 3:b7ea6d14e664
  |    summary:     B0
  |
  o  changeset:   1:471f378eab4c
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  

# Simulate a fold
  $ hg up 0
  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ echo "A0" > A0
  $ echo "B0" > B0
  $ hg add A0 B0
  $ hg commit -m "C0"
  created new head

  $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(C0)'`
  1 new obsolescence markers
  obsoleted 1 changesets
  1 new orphan changesets
  $ hg debugobsolete `getid 'desc(B1)'` `getid 'desc(C0)'`
  1 new obsolescence markers
  obsoleted 1 changesets

  $ hg log --hidden -G
  @  changeset:   4:eb5a0daa2192
  |  tag:         tip
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     C0
  |
  | x  changeset:   3:b7ea6d14e664
  | |  parent:      1:471f378eab4c
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  obsolete:    rewritten as 4:eb5a0daa2192
  | |  summary:     B1
  | |
  | | x  changeset:   2:0dec01379d3b
  | |/   user:        test
  | |    date:        Thu Jan 01 00:00:00 1970 +0000
  | |    obsolete:    rewritten using amend as 3:b7ea6d14e664
  | |    summary:     B0
  | |
  | x  changeset:   1:471f378eab4c
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    rewritten as 4:eb5a0daa2192
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
 Actual test
 -----------
  $ hg update 471f378eab4c
  abort: hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192
  (use --hidden to access hidden revisions)
  [10]
  $ hg update --hidden 'desc(A0)'
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  updated to hidden changeset 471f378eab4c
  (hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192)
  $ hg update --hidden 0dec01379d3b
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset 0dec01379d3b
  (hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192)
  $ hg update 0dec01379d3b
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg update --hidden 'desc(B0)'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved