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Give an example of how to add a key comment

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Co-authored-by: rr-james-hickman <james.hickman@rakuten.com>
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Matthias Pigulla 2021-05-27 20:05:28 +00:00
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@ -68,7 +68,7 @@ When using **Github deploy keys**, GitHub servers will accept the _first_ known
To support picking the right key in this use case, this action scans _key comments_ and will set up extra Git and SSH configuration to make things work. To support picking the right key in this use case, this action scans _key comments_ and will set up extra Git and SSH configuration to make things work.
1. When creating the deploy key for a repository like `git@github.com:owner/repo.git` or `https://github.com/owner/repo`, put that URL into the key comment. 1. When creating the deploy key for a repository like `git@github.com:owner/repo.git` or `https://github.com/owner/repo`, put that URL into the key comment. (Hint: Try `ssh-keygen ... -C "git@github.com:owner/repo.git"`.)
2. After keys have been added to the agent, this action will scan the key comments. 2. After keys have been added to the agent, this action will scan the key comments.
3. For key comments containing such URLs, a Git config setting is written that uses [`url.<base>.insteadof`](https://git-scm.com/docs/git-config#Documentation/git-config.txt-urlltbasegtinsteadOf). It will redirect `git` requests to URLs starting with either `https://github.com/owner/repo` or `git@github.com:owner/repo` to a fake hostname/URL like `git@...some.hash...:owner/repo`. 3. For key comments containing such URLs, a Git config setting is written that uses [`url.<base>.insteadof`](https://git-scm.com/docs/git-config#Documentation/git-config.txt-urlltbasegtinsteadOf). It will redirect `git` requests to URLs starting with either `https://github.com/owner/repo` or `git@github.com:owner/repo` to a fake hostname/URL like `git@...some.hash...:owner/repo`.
4. An SSH configuration section is generated that applies to the fake hostname. It will map the SSH connection back to `github.com`, while at the same time pointing SSH to a file containing the appropriate key's public part. That will make SSH use the right key when connecting to GitHub.com. 4. An SSH configuration section is generated that applies to the fake hostname. It will map the SSH connection back to `github.com`, while at the same time pointing SSH to a file containing the appropriate key's public part. That will make SSH use the right key when connecting to GitHub.com.