Clone this repo into the root of an ember-data clone:
git clone git@github.com:emberjs/data.git ember-data \
&& cd ember-data \
&& npm install \
&& git clone git@github.com:franq/ember-data-build.git builds
When you want to create a custom build:
# choose an appropriate version number
version="1.0.0-beta.12b"
cd builds \
&& ./bin/update.sh $version \
&& git push --tags