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#### Building version 0.1
rebar compile
rebar generate
mv rel/dummy rel/dummy_0.1
rebar clean
# start the release:
cd rel/dummy_0.1
bin/dummy console
erl> dummy_server:get_state().
erl> dummy_server:set_state(123).
erl> dummy_server:get_state().
#### Building version 0.2
# Now, in another terminal we prepare an upgrade..
# change release version numbers from 0.1 to 0.2 in
$EDITOR apps/dummy/src/dummy.app.src
$EDITOR rel/reltool.config
rebar compile
rebar generate
# previous_release path is relative to your rel directory
rebar generate-appups previous_release=dummy_0.1
rebar generate-upgrade previous_release=dummy_0.1
tar -zvtf rel/dummy_0.2.tar.gz
#### Deploying with release_handler
mv rel/dummy_0.2.tar.gz rel/dummy_0.1/releases/
# Now use release_handler in the running erlang console for the deploy:
erl> release_handler:unpack_release("dummy_0.2").
erl> release_handler:install_release("0.2").
erl> release_handler:make_permanent("0.2").
erl> release_handler:which_releases().
erl> dummy_server:get_state().
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