$ cat >> $HGRCPATH <<EOF
  > [web]
  > push_ssl = false
  > allow_push = *
  > [extensions]
  > EOF
  $ echo "states=$(echo $(dirname $TESTDIR))/hgext/states.py" >> $HGRCPATH
  $ echo "obsolete=$(echo $(dirname $TESTDIR))/hgext/obsolete.py" >> $HGRCPATH
  $ mkcommit() {
  >    echo "$1" > "$1"
  >    hg add "$1"
  >    hg ci -m "add $1"
  > }

  $ alias qlog="hg log --template='{rev}\n- {node|short}\n'"
  $ hg init local
  $ cd local
  $ hg states ready # XXX should be put in default config when state support it
  $ mkcommit a # 0
  $ hg published 0
  $ mkcommit b # 1
  $ mkcommit c # 2
  $ hg up 1
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ mkcommit obsol_c # 3
  created new head
  $ hg debugobsolete 3 2


Test that obsolete changeset are hidden

  $ qlog
  3
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ qlog --hidden
  3
  - 0d3f46688ccc
  2
  - 4538525df7e2
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ qlog -r 'obsolete()' --hidden
  2
  - 4538525df7e2

test obsolete changeset with no-obsolete descendant
  $ hg up 1 -q
  $ mkcommit "obsol_c'" # 4 (on 1)
  created new head
  $ hg debugobsolete 4 3
  $ qlog
  4
  - 725c380fe99b
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ qlog -r 'obsolete()' --hidden
  2
  - 4538525df7e2
  3
  - 0d3f46688ccc
  $ hg up 3 -q
  Working directory parent is obsolete
  $ mkcommit d # 5 (on 3)
  $ qlog -r 'obsolete()'
  3
  - 0d3f46688ccc

Test communication of obsolete relation with a compatible client

  $ hg init ../other-new
  $ hg -R ../other-new states ready # XXX should be put in default config when state support it
  $ hg push --traceback ../other-new
  pushing to ../other-new
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 5 changes to 5 files (+1 heads)
  $ qlog -R ../other-new -r 'obsolete()'
  2
  - 0d3f46688ccc
  $ qlog -R ../other-new
  4
  - a7a6f2b5d8a5
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ hg up 3 -q
  Working directory parent is obsolete
  $ mkcommit obsol_d # 6
  created new head
  $ hg debugobsolete 6 5
  $ qlog
  6
  - 95de7fc6918d
  4
  - 725c380fe99b
  3
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ qlog -r 'obsolete()'
  3
  - 0d3f46688ccc
  $ hg push ../other-new -f # XXX should not have to use -f
  pushing to ../other-new
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  $ qlog -R ../other-new
  5
  - 95de7fc6918d
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ qlog -R ../other-new -r 'obsolete()'
  2
  - 0d3f46688ccc
  $ hg up -q .^ # 3
  Working directory parent is obsolete
  $ mkcommit "obsol_d'" # 7
  created new head
  $ hg debugobsolete 7 6
  $ hg pull -R ../other-new .
  pulling from .
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+2 heads)
  (run 'hg heads .' to see heads, 'hg merge' to merge)
  $ qlog -R ../other-new
  7
  - 909a0fb57e5d
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7

pushing to stuff that doesn't support obsolete

  $ hg init ../other-old
  > # XXX I don't like this but changeset get published otherwise
  > # remove it when we will get a --keep-state flag for push
  $ hg -R ../other-old states ready
  $ echo '[extensions]'  > ../other-old/.hg/hgrc
  $ echo "obsolete=!$(echo $(dirname $TESTDIR))/obsolete.py" >> ../other-old/.hg/hgrc
  $ hg push ../other-old
  pushing to ../other-old
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 5 changes to 5 files (+1 heads)
  $ qlog -R ../other-old
  4
  - 909a0fb57e5d
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7

clone support

  $ hg clone . ../cloned
  > # The warning should go away once we have default value to set ready before we pull
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 8 changesets with 8 changes to 8 files (+4 heads)
  909a0fb57e5d try to obsolete immutable changeset 95de7fc6918d
  95de7fc6918d try to obsolete immutable changeset a7a6f2b5d8a5
  725c380fe99b try to obsolete immutable changeset 0d3f46688ccc
  0d3f46688ccc try to obsolete immutable changeset 4538525df7e2
  updating to branch default
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg -R ../cloned states ready # XXX should be put in default config when state support it
  $ qlog -R ../cloned
  7
  - 909a0fb57e5d
  4
  - 725c380fe99b
  3
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7

Test rollback support

  $ hg up .^ -q # 3
  Working directory parent is obsolete
  $ mkcommit "obsol_d''"
  created new head
  $ hg debugobsolete 8 7
  $ hg -R ../other-new pull .
  pulling from .
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  (run 'hg heads .' to see heads, 'hg merge' to merge)

  $ qlog -R ../other-new
  8
  - 159dfc9fa5d3
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7
  $ hg -R ../other-new rollback
  repository tip rolled back to revision 7 (undo pull)
  working directory now based on revision -1
  $ qlog -R ../other-new
  7
  - 909a0fb57e5d
  3
  - 725c380fe99b
  2
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7

obsolete published changeset

  $ hg up null
  0 files updated, 0 files merged, 4 files removed, 0 files unresolved
  $ mkcommit toto # 9
  created new head
  $ hg id -n
  9
  $ hg debugobsolete 9 0
  83b5778897ad try to obsolete immutable changeset 1f0dee641bb7
  $ qlog -r 'obsolete()'
  3
  - 0d3f46688ccc
allow to just kill changeset

  $ qlog
  9
  - 83b5778897ad
  8
  - 159dfc9fa5d3
  4
  - 725c380fe99b
  3
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7

  $ hg debugobsolete null 9
  $ hg up null -q # to be not based on 9 anymore
  $ qlog
  8
  - 159dfc9fa5d3
  4
  - 725c380fe99b
  3
  - 0d3f46688ccc
  1
  - 7c3bad9141dc
  0
  - 1f0dee641bb7