git credential helpers

General remarks

Credential helper survey

We do this with an eye of supporting usernames and multiple users.

cache

store

osxkeychain

manager-core (on macOS), before version 2.0.246-beta

manager-core (macOS), 2.0.246-beta or later

manager (GitHub authority)

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manager (Basic authority)

manager-core (on Windows, before version 2.0.246-beta)

manager-core (on Windows, from 2.0.246-beta)

Recommendations for multiple accounts

macOS

  1. Use the osxkeychain helper.

  2. FIrst remove all your current credentials for the host you are targeting. E.g. for GitHub, search for “Internet Passwords” for github.com, or use gitcreds::gitcreds_list() and the oskeyring package to remove them. You can also use the oskeyring package to back up the tokens and passwords.

  3. Then add the credential that you want to use for “generic access”. This is the credential that will be used for URLs without user names. The user name for this credential does not matter, but you can choose something descriptive, e.g. “PersonalAccessToken”, “token”, or “generic”.

  4. Configure git to use this username by default. E.g. if you chose “generic”, then run

    git config --global credential.username generic
  5. Add all the other credentials, with appropriate user names. These are the user names that you need to put in the URLs for the repositories or operations you want to use them for. (GitHub does not actually use the user names if the password is a PAT.)

Windows, with git 2.29.0 or later and manager-core

  1. We suggest that you update to the latest git version, but at least 2.29.0, and use the manager-core helper which is now default. If you installed manager-core separately from git, we suggest that you remove it, because it might cause confusion as to which helper is actually used.

  2. Remove all current credentials first, for the host you are targeting. You can do this in ‘Credential Manager’ or gitcreds::gitcreds_list() to find them and the oskeyring package to remove them. You can also use the oskeyring packaeg to back up the tokens and passwords.

  3. Then add the credential that you want to use for “generic access”. This is the credential that will be used for URLs without user names. The user name for this credential does not matter, but you can choose something descriptive, e.g. “PersonalAccessToken”, “token”, or “generic”.

  4. Configure git to use this username by default. E.g. if you chose “generic”, then run

    git config –global credential.username generic

  5. Add all the other credentials, with appropriate user names. These are the user names that you need to put in the URLs for the repositories or operations you want to use them for. (GitHub does not actually use the user names if the password is a PAT.)

Windows with older git versions

At most one github.com credential

If you only need to manage a single github.com credential, together with possibly multiple credentials to other hosts (including GitHub Enterprise hosts), then you can use the default manager helper, and get away with the default auto-detected GCM authority setting.

In this case, you can add you github.com credential with an arbitrary user name, and for each other host you can add configure a default user name, and/or include user names in the URLs to these hosts. This is how to set a default user name for a host:

git config --global credential.https://example.com.username myusername

Multiple GitHub credentials

If you need to manage multiple github.com credentials, then you can still use the manager helper, but you need to change the GCM authority by setting an option or an environment variable, see https://github.com/microsoft/Git-Credential-Manager-for-Windows/blob/master/Docs/Configuration.md#authority. Once https://github.com/microsoft/Git-Credential-Manager-for-Windows/pull/891 is merged, you won’t need to do this. (At least in recent git versions, that contain a GCM build with the fix.)

This is how to change the config for this:

git config --global credential.authority Basic

You can also change it only for github.com:

git config --global credential.github.com.authority Basic

Then you can configure a default user name, this will be used for URLs without a user name:

git config --global credential.username generic

Now you can add you credentials, the default one with the “generic” user name, and all the others with their specific user and host names.

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