Comment 3 for bug 1386713

Arale also need this feature.
Because Arale use repo as version control system, all modules be controlled by manifest [1]
Currently exits two branches in manifests [1]
m75_ubuntu-daily : dump versions from each module daily
m75_ubuntu : point to latest versions for each module

Arale need to have way to build the code base which based on m75_ubuntu-daily branch in manifest[1].
The build process will be:
$ repo init -u ssh://git.tangxi.canonical.com:29418/m75/platform/manifest -b m75_ubuntu-daily
$ repo sync

Then build images as before.

[1] ssh://git.tangxi.canonical.com:29418/m75/platform/manifest