$ cat >> $HGRCPATH <<EOF

  > [web]

  > push_ssl = false

  > allow_push = *

  > [extensions]

  > EOF

  $ echo "obsolete=$(echo $(dirname $TESTDIR))/obsolete.py" >> $HGRCPATH

  $ mkcommit() {

  >    echo "$1" > "$1"

  >    hg add "$1"

  >    hg ci -m "add $1"

  > }

  $ hg init local

  $ cd local

  $ mkcommit a # 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

  $ qlog --hidden

  $ qlog -r 'obsolete()' --hidden

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

  $ qlog -r 'obsolete()' --hidden

  $ hg up 3 -q

  $ mkcommit d # 5 (on 3)

  $ qlog -r 'obsolete()'

Test communication of obsolete relation with a compatible client

  $ hg init ../other-new

  $ 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()'

  $ qlog -R ../other-new

  $ hg up 3 -q

  $ mkcommit obsol_d # 6

  created new head

  $ hg debugobsolete 6 5

  $ qlog

  $ qlog -r 'obsolete()'

  $ 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

  $ qlog -R ../other-new -r 'obsolete()'

  $ hg up -q .^

  $ 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

pushing to stuff that doesn't support obsolete

  $ hg init ../other-old

  $ 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