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Fetching GitHub Pull Requests

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A co-worker was doing some work today to integrate our TeamCity instance integrated with GitHub pull requests. And it got me thinking, I hate adding remotes to my local repo just to pull down pull requests. The solution:

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[alias]
  req = "!f() { git fetch origin refs/pull/$1/head:pr/$1; } ; f"

Usage:

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$ git req 39
remote: Counting objects: 10, done
remote: Compressing objects: 100% (10/10) done.
remote: Total 10 (delta 0), reused 1 (delta 0)
Unpacking objects: 100% (10/10), done.
From github.com:DarthFubuMVC/StoryTeller2
 * [new ref]         reqs/pull/39/head -> pr/39
$ git checkout pr/39

And now I have that pull request locally without adding a remote.

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