Tap Enhancement: Upgrade/reinstall/uninstall formula/casks from previous tap by default

[IlIllIl]

Output of brew config

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Output of brew doctor

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Description of issue

Assuming the third-party tap has foo and the homebrew official tap have the same name of formula/cask, and we have already installed the foo from mytap/mytap.

 Error: Cask foo exists in multiple taps:
       * homebrew/homebrew-cask/foo
       * mytap/mytap/foo

This message appear even only one of the tap's version has installed, every upgrade/reinstall/uninstall foo needs to specify the tap.
And sometimes due to version differences and modifications, it will default to the version under the homebrew official tap and cause errors when running brew upgrade.

I suggest that if we have already installed foo from mytap/mytap tap , brew can set default to the last tap source mytap/mytap when running brew upgrade foo (same as brew upgrade mytap/mytap/foo) instead of specifying it manually or switching it automatically every time.
If we need to change tap to homebrew official tap, we need to do it manually, but brew reinstall foo is the same as brew reinstall mytap/mytap/foo.
Similarly, when uninstalling by running brew uninstall foo, brew should automatically query local data and uninstall from mytap/mytap version which already installed.

[digomes87]

Same here. I tried reinstalling brew, but I'm getting these errors:

remote: Repository not found.
fatal: repository '' not found
Error: homebrew/homebrew-cask-fonts does not exist! Run brew untap homebrew/homebrew-cask-fonts to remove it.
Failed during: /opt/homebrew/bin/brew update --force --quiet

[SMillerDev]

That's because that tap no longer exists. There is no way to fix something that's not supposed to work. If you need a font, just install them from the main repos.