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Put SSH keys in .git to make repos USB-portable
My repository remotes are set up to use deploy keys exclusively, as I don’t want to inadvertently push changes from the wrong account due to forgetting to change the local machine user’s credentials. I used to do so by keeping several subdirectories inside my .ssh directory for per-account keys and manually pasting them outside whenever I want to push a specific repo, but it’s cumbersome and still quite error-prone.
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