Closes Homebrew/homebrew#40816.

Signed-off-by: Baptiste Fontaine <batifon@yahoo.fr>

victims of the transitioning to gtk-quartz-only: Homebrew/homebrew#39868
a PR has been opened in the boneyard: Homebrew/homebrew-boneyard#54

Closes Homebrew/homebrew#40792.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Closes Homebrew/homebrew#40795.

Signed-off-by: Baptiste Fontaine <batifon@yahoo.fr>

Fixes Homebrew/homebrew#40778.

This formula was moved back to the core in Homebrew/homebrew#40483

This fixes the case when multiple versions of a formula are installed.

Closes Homebrew/homebrew#40777.
Fixes Homebrew/homebrew#40781.
Fixes Homebrew/homebrew#40797.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Before
```
brew doctor  9.83s user 0.52s system 76% cpu 13.563 total
```

After
```
brew doctor  0.25s user 0.16s system 9% cpu 4.332 total
```

Closes Homebrew/homebrew#40770.

Signed-off-by: Xu Cheng <xucheng@me.com>

Dependency is another similar, related class and it's super confusing
to have some Requirements that are named *Dependency.

Closes Homebrew/homebrew#38891.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Fixes Homebrew/homebrew#40752.

Fixes Homebrew/homebrew#40656.

Closes Homebrew/homebrew#40706.

It has serious build issues, no dependents, and no updates upstream
since December 2010.

Closes Homebrew/homebrew#40756.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Fixes Homebrew/homebrew#40724.

Closes Homebrew/homebrew#40725.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>

Closes Homebrew/homebrew#40731.

Signed-off-by: Xu Cheng <xucheng@me.com>

Closes Homebrew/homebrew#40682.

Signed-off-by: Xu Cheng <xucheng@me.com>

Fixes Homebrew/homebrew#40636.

Fixes Homebrew/homebrew#40630.

Issue a warning about Homebrew's very basic support for 10.11 at this point
in time on each run of `brew`.

Closes Homebrew/homebrew#40536.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Re: https://github.com/Homebrew/homebrew/commit/ad92f10ec35dcdbdd3424f663ffc7ff53287f714#commitcomment-11670008

Closes Homebrew/homebrew#40481.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Closes Homebrew/homebrew#40608.

Signed-off-by: Xu Cheng <xucheng@me.com>

Also make remote method only response to installed tap.

Closes Homebrew/homebrew#38835.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Fixes Homebrew/homebrew#38824

This ensures that all nested Git repositories (e.g. taps) are also
deleted. Previously this wasn't needed as we could just rely on the
symlinks in `Library/Formula` being missing but since Xu's good work
this inadvertedly made the bot's `brew uses foo` start showing things
from taps we hadn't previously deleted.

We don't support 10.5 anymore, and tigerbrew doesn't have this check
anymore, either.