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improve the flow of macOS installation instructions (#1599)

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Marshall Zobel 2020-05-01 14:07:31 -04:00 committed by GitHub
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README.md
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@ -167,7 +167,14 @@ We'd recommend to install pyenv-virtualenv as well if you have some plan to play
## Installation
If you're on macOS, consider [installing with Homebrew](#homebrew-on-macos).
For macOS:
1. Consider installing with [Homebrew](#homebrew-on-macos)
```sh
$ brew update
$ brew install pyenv
```
2. Then follow the rest of the post-installation steps under [Basic GitHub Checkout](https://github.com/pyenv/pyenv#basic-github-checkout), starting with #3 ("Add `pyenv init` to your shell to enable shims and autocompletion").
If you're on Windows, consider using @kirankotari's [`pyenv-win`](https://github.com/pyenv-win/pyenv-win) fork. (`pyenv` does not work on windows outside the Windows Subsystem for Linux)
@ -240,9 +247,7 @@ easy to fork and contribute any changes back upstream.
$ exec "$SHELL"
```
5. **Install Python build dependencies** before attempting to install a new Python version. The
[pyenv wiki](https://github.com/pyenv/pyenv/wiki) provides suggested installation packages
and commands for various operating systems.
5. [**Install Python build dependencies**](https://github.com/pyenv/pyenv/wiki#suggested-build-environment) before attempting to install a new Python version.
6. **Install Python versions into `$(pyenv root)/versions`.**
For example, to download and install Python 2.7.8, run:
@ -262,6 +267,11 @@ easy to fork and contribute any changes back upstream.
#### Upgrading
If you've installed pyenv using homebrew, upgrade using:
```sh
$ brew upgrade pyenv
```
If you've installed pyenv using the instructions above, you can
upgrade your installation at any time using git.
@ -306,21 +316,6 @@ uninstall from the system.
brew uninstall pyenv
### Homebrew on macOS
You can also install pyenv using the [Homebrew](https://brew.sh)
package manager for macOS.
$ brew update
$ brew install pyenv
To upgrade pyenv in the future, use `upgrade` instead of `install`.
#### Post-installation
Then follow the rest of the post-installation steps under [Basic GitHub Checkout](https://github.com/pyenv/pyenv#basic-github-checkout) above, starting with #3 ("Add `pyenv init` to your shell to enable shims and autocompletion").
### Advanced Configuration
Skip this section unless you must know what every line in your shell