Add Checkout remote branch guide

FreeCodeCamp · c1970168a7a1c97a58eadbe2dfb3e1821b5837c4 · raisedadead committed Feb 25, 2016 · Feb 25, 2016 · c197016
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+Depending on how many remotes are present for your local repo, follow the appropriate flow.
+
+#### Checkout a remote branch workflow:
+
+#### For repos with one remote:
+
+If your local repo is having just one remote for example just `origin`:
+```
+git remote -v
+origin  https://github.com/my_username/AwesomeRepo.git (fetch)
+origin  https://github.com/my_username/AwesomeRepo.git (push)
+```
+Then you can simply do:<br>
+`git fetch`<br>
+`git checkout some_branch_name`
+
+#### For repos with multiple remote:
+
+If your local repo is having multiple remotes:
+```
+git remote -v
+origin      https://github.com/raisedadead/wiki.git (fetch)
+origin      https://github.com/raisedadead/wiki.git (push)
+upstream    https://github.com/FreeCodeCamp/wiki.git (fetch)
+upstream    https://github.com/FreeCodeCamp/wiki.git (push)
+```
+Then you have to specify a remote as well:<br>
+`git fetch`<br>
+`git checkout -b some_branch_name <remote>/some_branch_name`
+
+where `<remote>` in this example is either `upstream` or `origin`.