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.'