== 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
}}}

Starting from Mercurial 1.7 you can use such syntax (example show nested query syntax):

{{{
hg log -r "ancestor(rev1,ancestor(rev2,rev3))"
}}}

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CategoryTipsAndTricks