pyenv

Sudarshan Wadkar b1381d1d46 Fix python-build `brew: command not found` error (#1544 ) This PR fixes (currently harmless) warning on macOS when homebrew is not installed. - [ ] Test case (required?) For example: ```sh wadkar$ pyenv install 3.8.2 /Users/wadkar/.pyenv/plugins/python-build/bin/python-build: line 1541: brew: command not found /Users/wadkar/.pyenv/plugins/python-build/bin/python-build: line 1541: brew: command not found Installing openssl-1.1.0j... Installed openssl-1.1.0j to /Users/wadkar/.pyenv/versions/3.8.2 Installing readline-8.0... Installed readline-8.0 to /Users/wadkar/.pyenv/versions/3.8.2 Installing Python-3.8.2... python-build: use zlib from xcode sdk Installed Python-3.8.2 to /Users/wadkar/.pyenv/versions/3.8.2 ```	pirms 6 gadiem
..
python-build	Fix python-build `brew: command not found` error (#1544)	pirms 6 gadiem
.gitignore	rename to `version-ext-compat` because `pyenv-version-ext` must precede	pirms 13 gadiem

Fix python-build `brew: command not found` error (#1544 )

This PR fixes (currently harmless) warning on macOS when homebrew is *not* installed.

- [ ] Test case (required?)

For example:

```sh
wadkar$ pyenv install 3.8.2
/Users/wadkar/.pyenv/plugins/python-build/bin/python-build: line 1541: brew: command not found
/Users/wadkar/.pyenv/plugins/python-build/bin/python-build: line 1541: brew: command not found
Installing openssl-1.1.0j...
Installed openssl-1.1.0j to /Users/wadkar/.pyenv/versions/3.8.2

Installing readline-8.0...
Installed readline-8.0 to /Users/wadkar/.pyenv/versions/3.8.2

Installing Python-3.8.2...
python-build: use zlib from xcode sdk
Installed Python-3.8.2 to /Users/wadkar/.pyenv/versions/3.8.2
```

pirms 6 gadiem

python-build

Fix python-build `brew: command not found` error (#1544)

pirms 6 gadiem

.gitignore

rename to `version-ext-compat` because `pyenv-version-ext` must precede

pirms 13 gadiem