echo
echo 'Creating repo...'

mkdir c1
cd c1
hg init


echo
echo 'Creating branches...'

hg branch 2.7
echo foo > 27.txt
hg add
hg ci -m 'create 2.7 branch and add a file'

hg branch 3.1
echo foo > 31.txt
hg add
hg ci -m 'create 3.1 branch and add a file'

hg branch 3.2
echo foo > 32.txt
hg add
hg ci -m 'create 3.2 branch and add a file'

hg branch default
echo foo > default.txt
hg add
hg ci -m 'create default branch and add a file'


echo
echo 'Create and merge a few changesets...'

hg up 3.1
echo bar > 31.txt
hg ci -m 'change 3.1'

hg up 3.2
hg merge 3.1
hg ci -m 'merge with 3.1'

hg up default
hg merge 3.2
hg ci -m 'merge with 3.2'


echo
echo 'The following branches are now available...'

hg branches


echo
echo 'Downloading and setting up hook...'

wget http://bugs.python.org/file27171/checkmerge.py
echo '[hooks]' > .hg/hgrc
echo 'pretxnchangegroup.checkmerge = python:checkmerge.py:hook' >> .hg/hgrc


echo
echo 'Creating a new clone...'

cd ..
hg clone c1 c2


echo
echo 'Setup complete'
echo 'Now cd in c2, try to commit something, push it, and try to break my hook.'