plantuml 7999

Closes #29449.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
plantuml: quotes
Cvsps 3.13
Cvsps: quoting style

Closes #29444.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gcc: don't use bottles on Xcode-only systems
cmus 2.5.1, 2.6.0-rc0
make `tests` an internal command
Prefer pathname methods over regexp matching