Find common ancestor of two revisions
hg debugancestor rev1 rev2
In older hg versions, you have to explicitly tell it to use the changelog, i.e.
hg debugancestor .hg/store/00changelog.i rev1 rev2
hg debugancestor rev1 rev2
In older hg versions, you have to explicitly tell it to use the changelog, i.e.
hg debugancestor .hg/store/00changelog.i rev1 rev2