view tests/test-histedit-obsolete.t @ 18234:a55b06885cda

branchmap: allow to use cache of subset

Filtered repository are *subset* of unfiltered repository. This means that a
filtered branchmap could be use to compute the unfiltered version.

And filtered version happen to be subset of each other:
- "all() - unserved()" is a subset of "all() - hidden()"
- "all() - hidden()" is a subset of "all()"

This means that branchmap with "unfiltered" filter can be used as a base for
"hidden" branchmap that itself could be used as a base for unfiltered
branchmap.

   unserved < hidden < None

This changeset implements this mechanism. If the on disk branchcache is not valid
we use the branchcache of the nearest subset as base instead of computing it from
scratch. Such fallback can be cascaded multiple time is necessary.

Note that both "hidden" and "unserved" set are a bit volatile. We will add more
stable filtering in next changesets.

This changeset enables collaboration between no filtering and "unserved"
filtering. Fixing performance regression introduced by 47f00b0de337

  $ . "$TESTDIR/histedit-helpers.sh"

Enable obsolete

  $ cat > ${TESTTMP}/obs.py << EOF
  > import mercurial.obsolete
  > mercurial.obsolete._enabled = True
  > EOF

  $ cat >> $HGRCPATH << EOF
  > [ui]
  > logtemplate= {rev}:{node|short} {desc|firstline}
  > [phases]
  > publish=False
  > [extensions]'
  > histedit=
  > 
  > obs=${TESTTMP}/obs.py
  > EOF

  $ hg init base
  $ cd base

  $ for x in a b c d e f ; do
  >     echo $x > $x
  >     hg add $x
  >     hg ci -m $x
  > done

  $ hg log --graph
  @  5:652413bf663e f
  |
  o  4:e860deea161a e
  |
  o  3:055a42cdd887 d
  |
  o  2:177f92b77385 c
  |
  o  1:d2ae7f538514 b
  |
  o  0:cb9a9f314b8b a
  

  $ HGEDITOR=cat hg histedit 1
  pick d2ae7f538514 1 b
  pick 177f92b77385 2 c
  pick 055a42cdd887 3 d
  pick e860deea161a 4 e
  pick 652413bf663e 5 f
  
  # Edit history between d2ae7f538514 and 652413bf663e
  #
  # Commands:
  #  p, pick = use commit
  #  e, edit = use commit, but stop for amending
  #  f, fold = use commit, but fold into previous commit (combines N and N-1)
  #  d, drop = remove commit from history
  #  m, mess = edit message without changing commit content
  #
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cat > commands.txt <<EOF
  > pick 177f92b77385 2 c
  > drop d2ae7f538514 1 b
  > pick 055a42cdd887 3 d
  > fold e860deea161a 4 e
  > pick 652413bf663e 5 f
  > EOF
  $ hg histedit 1 --commands commands.txt --verbose | grep histedit
  saved backup bundle to $TESTTMP/base/.hg/strip-backup/34a9919932c1-backup.hg (glob)
  $ hg log --graph --hidden
  @  8:0efacef7cb48 f
  |
  o  7:ae467701c500 d
  |
  o  6:d36c0562f908 c
  |
  | x  5:652413bf663e f
  | |
  | x  4:e860deea161a e
  | |
  | x  3:055a42cdd887 d
  | |
  | x  2:177f92b77385 c
  | |
  | x  1:d2ae7f538514 b
  |/
  o  0:cb9a9f314b8b a
  
  $ hg debugobsolete
  d2ae7f538514cd87c17547b0de4cea71fe1af9fb 0 {'date': '* *', 'user': 'test'} (glob)
  177f92b773850b59254aa5e923436f921b55483b d36c0562f908c692f5204d606d4ff3537d41f1bf 0 {'date': '* *', 'user': 'test'} (glob)
  055a42cdd88768532f9cf79daa407fc8d138de9b ae467701c5006bf21ffcfdb555b3d6b63280b6b7 0 {'date': '* *', 'user': 'test'} (glob)
  e860deea161a2f77de56603b340ebbb4536308ae ae467701c5006bf21ffcfdb555b3d6b63280b6b7 0 {'date': '* *', 'user': 'test'} (glob)
  652413bf663ef2a641cab26574e46d5f5a64a55a 0efacef7cb481bf574f69075b82d044fdbe5c20f 0 {'date': '* *', 'user': 'test'} (glob)


Ensure hidden revision does not prevent histedit
-------------------------------------------------

create an hidden revision

  $ cat > commands.txt <<EOF
  > pick d36c0562f908 6 c
  > drop ae467701c500 7 d
  > pick 0efacef7cb48 8 f
  > EOF
  $ hg histedit 6 --commands commands.txt
  0 files updated, 0 files merged, 3 files removed, 0 files unresolved
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg log --graph
  @  9:7c044e3e33a9 f
  |
  o  6:d36c0562f908 c
  |
  o  0:cb9a9f314b8b a
  
check hidden revision are ignored (6 have hidden children 7 and 8)

  $ cat > commands.txt <<EOF
  > pick d36c0562f908 6 c
  > pick 7c044e3e33a9 8 f
  > EOF
  $ hg histedit 6 --commands commands.txt
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved


Check that histedit respect phases
=========================================

(not directly related to the test file but doesn't deserve it's own test case)

  $ hg log -G
  @  9:7c044e3e33a9 f
  |
  o  6:d36c0562f908 c
  |
  o  0:cb9a9f314b8b a
  
  $ hg ph -pv '.^'
  phase changed for 2 changesets
  $ hg histedit -r '.~2'
  abort: cannot edit immutable changeset: cb9a9f314b8b
  [255]


+Test ui.prevent-unstable option
+------------------------------------

  $ hg up '.^'
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg phase --force --draft .
  $ hg log -r 'children(.)'
  9:7c044e3e33a9 f (no-eol)
  $ hg histedit -r '.'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved