git subtree pull --prefix=libraries/juce --squash juce master
If there are build errors after the upgrade to the latest JUCE revision, it might be solved by recreating the XCode project file with the Introjucer.
- ::
- git log --no-walk --tags --decorate
Source: http://stackoverflow.com/questions/21569406/how-does-one-git-log-tagged-commits-only