cdd52e28f1
If a keg has been uninstalled via `rm -rf <keg>`, and a user tries to reinstall it without `brew unlink`ing it first, it will fail to link as the LinkedKegs entry still exists. This isn't desirable, and the user should be able to reinstall the same formula on top of the old, dead symlinks without problems, so let's just remove the LinkedKegs entry if it matches the one we are installing anyway. Signed-off-by: Jack Nagel <jacknagel@gmail.com>
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