git get a copy of a branch [closed]

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how do I get a 开发者_如何学JAVAcopy of a branch from a remote git server? I have tried the following options

git clone url
git clone url branchName  

it looks they get the master copy.

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You can use the the --branch or -b option on clone:

git clone -b <name> url

See man git clone for further details.

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when you clone you get ALL the branches and history.

good explanation here: git branch, fork, fetch, merge, rebase and clone, what are the differences?

use:

git-branch

once you clone the repository to see the branches in the repository.

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git clone url
git branch branchname
git checkout branchname
git pull origin branchname

this works for me afa i remember. there might be some better way though, i'm not a git pro.

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One way is to create a new repo and then fetch the branch alone:

git init .
git fetch <url> <branchname>:refs/remotes/origin/<branchname>
git checkout <branchname>

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Caveat about the other answer on git clone -b

Git always clones the entire repository. What you have in your working directory is based on which branch you checkout. So if you want a particular branch, clone the repo and checkout the repo.

git clone -b is the shortcut for doing that.

Again, you are not getting a "copy" of your branch, but the whole repo with the required branch checked out.