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Set up simultaneous SSH keys for GitHub and BitBucket

This will be a question and an answer together.

My goal is to have GitHub(via git) and BitBucket(via hg) co-exist on the same machine, both using SSH keys for all repos of each respective type.

Setup: Windows 10 git-scm tortoisehg

(Despite using Win 10, I'll be describing bash paths. Anywhere you see a "~", just replace that with "C:\users\yourName")

There are lots of other questions and answers on this, but none of them really pointed me in the direction I needed.

For me, GitHub is my "primary" and BitBucket is my "secondary" This guide gets me the first ssh key, which I save as "id_rsa" in the "~/ssh" folder. https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/

BitBucket is my secondary, and so I create a second key, with the custom name "bb_rsa" https://confluence.atlassian.com/bitbucket/set-up-an-ssh-key-728138079.html

And the answer will be the final step that makes it all work.

Solution

  • TortoiseHG uses ~/mercurial.ini for the HG settings, but other mercurial installations might use ~/hgrc or ~/.hgrc. Make sure you know which one is right for you.

    In your mercurial.ini or hgrc file, add the following:

    [paths]
ssh = ssh -C -i ~/.ssh/bb_rsa
[ui]
ssh = ssh -C -i ~/.ssh/bb_rsa

    One or both will do the trick for you.

    After that, all of your git commands will use the ~/.ssh/id_rsa key, and all your hg commands will use the ~/.ssh/bb_rsa key.