$ cat >> $HGRCPATH <<EOF

  > [ui]

  > logtemplate={rev}:{node|short}[{bookmarks}] ({obsolete}/{phase}) {desc|firstline}\n

  > [extensions]

  > EOF

  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH

  $ mkcommit() {

  >    echo "$1" > "$1"

  >    hg add "$1"

  >    hg ci -m "add $1"

  > }

  $ hg init repo

  $ cd repo

  $ mkcommit a

  $ mkcommit b

test disabling commands

  $ cat >> .hg/hgrc <<EOF

  > [experimental]

  > evolution=createmarkers

  >   allowunstable

  >   exchange

  > EOF

  $ hg prune | head -n 2

  hg: unknown command 'prune'

  (use 'hg help' for a list of commands)