$ cat >> $HGRCPATH <<EOF

  > [liquid]

  > publish = False

  > [extensions]

  > graphlog=

  > EOF

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

  $ mkcommit() {

  >    echo "$1" > "$1"

  >    hg add "$1"

  >    hg ci -m "add $1"

  > }

  $ hg init alpha

  $ cd alpha

  $ hg states ready

  $ mkcommit z

  $ mkcommit a

  $ mkcommit b

  $ mkcommit c

  $ hg published 1

  $ hg log --graph

  @  changeset:   3:090483935bca

  |  tag:         tip

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add c

  |

  o  changeset:   2:720fd97246d7

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add b

  |

  o  changeset:   1:7a344d213ee2

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add a

  |

  o  changeset:   0:d32fd17cb041

     user:        test

     date:        Thu Jan 01 00:00:00 1970 +0000

     summary:     add z

  $ cat .hg/states/published-heads

  7a344d213ee2eb3359d94630d4e076460d59dbf0

publishedheads() should return only revision 1:

  $ hg log -r 'publishedheads()' --graph

  o  changeset:   1:7a344d213ee2

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add a

  |

ancestors of publishedheads shows all frozen revisions:

  $ hg log -r '::publishedheads()' --graph

  o  changeset:   1:7a344d213ee2

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add a

  |

  o  changeset:   0:d32fd17cb041

     user:        test

     date:        Thu Jan 01 00:00:00 1970 +0000

     summary:     add z

  $ cd ..

  $ hg init beta

  $ cd beta

  $ hg states ready

  $ hg pull ../alpha --update

  pulling from ../alpha

  requesting all changes

  adding changesets

  adding manifests

  adding file changes

  added 4 changesets with 4 changes to 4 files

  4 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg log --graph -r 'publishedheads()'

  o  changeset:   1:7a344d213ee2

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add a

  |

Freeze in beta and push to alpha:

  $ hg published 3

  $ mkcommit d

  $ hg push --traceback ../alpha

  pushing to ../alpha

  searching for changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 1 changes to 1 files

  $ cd ../alpha

  $ hg debugrevspec 'publishedheads()'

  3

  $ hg log --graph -r 'publishedheads()'

  @  changeset:   3:090483935bca

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     add c

  |

  $ hg log -r tip

  changeset:   4:fb98f3f5bba0

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     add d

  $ mkcommit e

  created new head

  $ hg up -C 4

  1 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ hg log -r 'publishedheads()'

  changeset:   3:090483935bca

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     add c

  $ hg tag -fr tip babar

  $ hg log -r 'publishedheads()'

  changeset:   5:cdaaa31e4239

  tag:         babar

  parent:      3:090483935bca

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     add e

  changeset:   6:bd66bf1525ee

  tag:         tip

  parent:      4:fb98f3f5bba0

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag babar for changeset cdaaa31e4239

Check rollback

  $ hg merge

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  $ hg commit -m 'merge'

  $ hg published tip

  $ hg log -r 'publishedheads()'

  changeset:   7:26631d82e09e

  tag:         tip

  parent:      6:bd66bf1525ee

  parent:      5:cdaaa31e4239

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     merge

test rollback does not mess up the liquid changeset

  $ mkcommit bibi

  $ hg rollback

  repository tip rolled back to revision 7 (undo commit)

  working directory now based on revision 7

  $ hg log -r 'publishedheads()'

  changeset:   7:26631d82e09e

  tag:         tip

  parent:      6:bd66bf1525ee

  parent:      5:cdaaa31e4239

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     merge

test rollback even when rollbacking frozen

  $ mkcommit bubu

  $ hg published tip

  $ hg rollback

  repository tip rolled back to revision 7 (undo commit)

  working directory now based on revision 7

  $ hg log -r 'publishedheads()'

  changeset:   7:26631d82e09e

  tag:         tip

  parent:      6:bd66bf1525ee

  parent:      5:cdaaa31e4239

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     merge