Eclipse have a strong plugins for git, where you can do allmost everything… So first of all open the relative prospective:
then select ‘git’ and open it:
you can now see in the top right appear this (you can switch from views):
in this view you can clone a remote repository by coping the link, using the box in the left called ‘Git Repositories’:
then clone the repo and import that to your local worksapce:
now you have your project opened. To navigate in the repository’s history you have to open history box by rigth click on the clone option:
now you can see the special box ‘history’ with all commits, and you can change branch by checkout to your master2.
hope to solve your problem.