/usr/local/Frameworks 目录的权限不对

[xuzhengfu]

1. 采用回复中提供的方法

执行以下命令：

sudo chown -R xuzhengfu /usr/local/Frameworks

结果如下：

Password:
chown: /usr/local/Frameworks: No such file or directory

执行以下命令：

brew link python

结果如下：

Linking /usr/local/Cellar/python/3.7.6_1... Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks

2. Google 错误信息

Google ”Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks“，在这里发现有人这样写道：

after upgrading to High Sierra, uninstall brew & re-install with the below command to ensure the linking to the brew github and associated permissions to the local folder work correctly:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

3. 卸载 homebrew

Google ”uninstall homebrew“，使用文档中提供的方法进行卸载，执行以下命令：

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

结果如下：

Warning: This script will remove:
/Users/xuzhengfu/Library/Caches/Homebrew/
/Users/xuzhengfu/Library/Logs/Homebrew/
/usr/local/Caskroom/
/usr/local/Cellar/
/usr/local/Homebrew/
/usr/local/Homebrew/.editorconfig
/usr/local/Homebrew/.github/
/usr/local/Homebrew/.gitignore
/usr/local/Homebrew/.vale.ini
/usr/local/Homebrew/.yardopts
/usr/local/Homebrew/CHANGELOG.md
/usr/local/Homebrew/CONTRIBUTING.md
/usr/local/Homebrew/Dockerfile
/usr/local/Homebrew/LICENSE.txt
/usr/local/Homebrew/Library/
/usr/local/Homebrew/README.md
/usr/local/Homebrew/bin/brew
/usr/local/Homebrew/completions/
/usr/local/Homebrew/docs/
/usr/local/Homebrew/manpages/
/usr/local/bin/brew -> /usr/local/Homebrew/bin/brew
/usr/local/etc/bash_completion.d/brew -> /usr/local/Homebrew/completions/bash/brew
/usr/local/share/doc/homebrew -> /usr/local/Homebrew/docs
/usr/local/share/man/man1/brew-cask.1 -> /usr/local/Homebrew/manpages/brew-cask.1
/usr/local/share/man/man1/brew.1 -> /usr/local/Homebrew/manpages/brew.1
/usr/local/share/zsh/site-functions/_brew -> /usr/local/Homebrew/completions/zsh/_brew
/usr/local/share/zsh/site-functions/_brew_cask -> /usr/local/Homebrew/completions/zsh/_brew_cask
/usr/local/var/homebrew/
Are you sure you want to uninstall Homebrew? This will remove your installed packages! [y/N] y
==> Removing Homebrew installation...
==> Removing empty directories...
==> /usr/bin/sudo /usr/bin/find /usr/local/bin /usr/local/etc /usr/local/include /usr/local/lib /usr/local/opt /usr/local/share /usr/local/var /usr/local/Caskroom /usr/local/Cellar /usr/local/Homebrew -name .DS_Store -delete
Password:
==> /usr/bin/sudo /usr/bin/find /usr/local/bin /usr/local/etc /usr/local/include /usr/local/lib /usr/local/opt /usr/local/share /usr/local/var /usr/local/Caskroom /usr/local/Cellar /usr/local/Homebrew -depth -type d -empty -exec rmdir {} ;
==> Homebrew uninstalled!
The following possible Homebrew files were not deleted:
/usr/local/bin/
/usr/local/.com.apple.installer.keep
/usr/local/include/
/usr/local/etc/
/usr/local/lib/
/usr/local/opt/
/usr/local/share/
You may wish to remove them yourself.

4. Google 卸载信息

Google ”The following possible Homebrew files were not deleted:“，在这里发现了相同的疑问，根据回复中的信息，继续 Google “go to /usr/local” ，得知：

Unlike Applications or Documents or Downloads, some files and folders are hidden by default by the Mac operating system (macOS).
...

1. Open Finder.
2. Press Command+Shift+G to open the dialogue box.

跑进去看了下，没看懂是什么东西；而后在这里看到讨论里说，这些遗留下来未被删除的东西无关紧要，不会引起任何问题。那就留着吧。

4. 安装 homebrew

执行以下命令：

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

结果如下：

==> This script will install:
/usr/local/bin/brew
/usr/local/share/doc/homebrew
/usr/local/share/man/man1/brew.1
/usr/local/share/zsh/site-functions/_brew
/usr/local/etc/bash_completion.d/brew
/usr/local/Homebrew
==> The following new directories will be created:
/usr/local/sbin
/usr/local/var
/usr/local/share/zsh
/usr/local/share/zsh/site-functions
/usr/local/var/homebrew
/usr/local/var/homebrew/linked
/usr/local/Cellar
/usr/local/Caskroom
/usr/local/Homebrew
/usr/local/Frameworks

Press RETURN to continue or any other key to abort
==> /usr/bin/sudo /bin/mkdir -p /usr/local/sbin /usr/local/var /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
Password:
==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/sbin /usr/local/var /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /bin/chmod 755 /usr/local/share/zsh /usr/local/share/zsh/site-functions
==> /usr/bin/sudo /usr/sbin/chown xuzhengfu /usr/local/sbin /usr/local/var /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/sbin /usr/local/var /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /bin/mkdir -p /Users/xuzhengfu/Library/Caches/Homebrew
==> /usr/bin/sudo /bin/chmod g+rwx /Users/xuzhengfu/Library/Caches/Homebrew
==> /usr/bin/sudo /usr/sbin/chown xuzhengfu /Users/xuzhengfu/Library/Caches/Homebrew
==> Downloading and installing Homebrew...
remote: Enumerating objects: 130885, done.
remote: Total 130885 (delta 0), reused 0 (delta 0), pack-reused 130885
Receiving objects: 100% (130885/130885), 31.28 MiB | 2.41 MiB/s, done.
Resolving deltas: 100% (96054/96054), done.
From https://github.com/Homebrew/brew
 * [new branch]      master     -> origin/master
 * [new tag]         0.1        -> 0.1
 * [new tag]         0.2        -> 0.2
 * [new tag]         0.3        -> 0.3
 * [new tag]         0.4        -> 0.4
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 * [new tag]         0.6        -> 0.6
 * [new tag]         0.7        -> 0.7
 * [new tag]         0.7.1      -> 0.7.1
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 * [new tag]         0.8.1      -> 0.8.1
 * [new tag]         0.9        -> 0.9
 * [new tag]         0.9.1      -> 0.9.1
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 * [new tag]         1.0.0      -> 1.0.0
 * [new tag]         1.0.1      -> 1.0.1
 * [new tag]         1.0.2      -> 1.0.2
 * [new tag]         1.0.3      -> 1.0.3
 * [new tag]         1.0.4      -> 1.0.4
 * [new tag]         1.0.5      -> 1.0.5
 * [new tag]         1.0.6      -> 1.0.6
 * [new tag]         1.0.7      -> 1.0.7
 * [new tag]         1.0.8      -> 1.0.8
 * [new tag]         1.0.9      -> 1.0.9
 * [new tag]         1.1.0      -> 1.1.0
 * [new tag]         1.1.1      -> 1.1.1
 * [new tag]         1.1.10     -> 1.1.10
 * [new tag]         1.1.11     -> 1.1.11
 * [new tag]         1.1.12     -> 1.1.12
 * [new tag]         1.1.13     -> 1.1.13
 * [new tag]         1.1.2      -> 1.1.2
 * [new tag]         1.1.3      -> 1.1.3
 * [new tag]         1.1.4      -> 1.1.4
 * [new tag]         1.1.5      -> 1.1.5
 * [new tag]         1.1.6      -> 1.1.6
 * [new tag]         1.1.7      -> 1.1.7
 * [new tag]         1.1.8      -> 1.1.8
 * [new tag]         1.1.9      -> 1.1.9
 * [new tag]         1.2.0      -> 1.2.0
 * [new tag]         1.2.1      -> 1.2.1
 * [new tag]         1.2.2      -> 1.2.2
 * [new tag]         1.2.3      -> 1.2.3
 * [new tag]         1.2.4      -> 1.2.4
 * [new tag]         1.2.5      -> 1.2.5
 * [new tag]         1.2.6      -> 1.2.6
 * [new tag]         1.3.0      -> 1.3.0
 * [new tag]         1.3.1      -> 1.3.1
 * [new tag]         1.3.2      -> 1.3.2
 * [new tag]         1.3.3      -> 1.3.3
 * [new tag]         1.3.4      -> 1.3.4
 * [new tag]         1.3.5      -> 1.3.5
 * [new tag]         1.3.6      -> 1.3.6
 * [new tag]         1.3.7      -> 1.3.7
 * [new tag]         1.3.8      -> 1.3.8
 * [new tag]         1.3.9      -> 1.3.9
 * [new tag]         1.4.0      -> 1.4.0
 * [new tag]         1.4.1      -> 1.4.1
 * [new tag]         1.4.2      -> 1.4.2
 * [new tag]         1.4.3      -> 1.4.3
 * [new tag]         1.5.0      -> 1.5.0
 * [new tag]         1.5.1      -> 1.5.1
 * [new tag]         1.5.10     -> 1.5.10
 * [new tag]         1.5.11     -> 1.5.11
 * [new tag]         1.5.12     -> 1.5.12
 * [new tag]         1.5.13     -> 1.5.13
 * [new tag]         1.5.14     -> 1.5.14
 * [new tag]         1.5.2      -> 1.5.2
 * [new tag]         1.5.3      -> 1.5.3
 * [new tag]         1.5.4      -> 1.5.4
 * [new tag]         1.5.5      -> 1.5.5
 * [new tag]         1.5.6      -> 1.5.6
 * [new tag]         1.5.7      -> 1.5.7
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 * [new tag]         1.5.9      -> 1.5.9
 * [new tag]         1.6.0      -> 1.6.0
 * [new tag]         1.6.1      -> 1.6.1
 * [new tag]         1.6.10     -> 1.6.10
 * [new tag]         1.6.11     -> 1.6.11
 * [new tag]         1.6.12     -> 1.6.12
 * [new tag]         1.6.13     -> 1.6.13
 * [new tag]         1.6.14     -> 1.6.14
 * [new tag]         1.6.15     -> 1.6.15
 * [new tag]         1.6.16     -> 1.6.16
 * [new tag]         1.6.17     -> 1.6.17
 * [new tag]         1.6.2      -> 1.6.2
 * [new tag]         1.6.3      -> 1.6.3
 * [new tag]         1.6.4      -> 1.6.4
 * [new tag]         1.6.5      -> 1.6.5
 * [new tag]         1.6.6      -> 1.6.6
 * [new tag]         1.6.7      -> 1.6.7
 * [new tag]         1.6.8      -> 1.6.8
 * [new tag]         1.6.9      -> 1.6.9
 * [new tag]         1.7.0      -> 1.7.0
 * [new tag]         1.7.1      -> 1.7.1
 * [new tag]         1.7.2      -> 1.7.2
 * [new tag]         1.7.3      -> 1.7.3
 * [new tag]         1.7.4      -> 1.7.4
 * [new tag]         1.7.5      -> 1.7.5
 * [new tag]         1.7.6      -> 1.7.6
 * [new tag]         1.7.7      -> 1.7.7
 * [new tag]         1.8.0      -> 1.8.0
 * [new tag]         1.8.1      -> 1.8.1
 * [new tag]         1.8.2      -> 1.8.2
 * [new tag]         1.8.3      -> 1.8.3
 * [new tag]         1.8.4      -> 1.8.4
 * [new tag]         1.8.5      -> 1.8.5
 * [new tag]         1.8.6      -> 1.8.6
 * [new tag]         1.9.0      -> 1.9.0
 * [new tag]         1.9.1      -> 1.9.1
 * [new tag]         1.9.2      -> 1.9.2
 * [new tag]         1.9.3      -> 1.9.3
 * [new tag]         2.0.0      -> 2.0.0
 * [new tag]         2.0.1      -> 2.0.1
 * [new tag]         2.0.2      -> 2.0.2
 * [new tag]         2.0.3      -> 2.0.3
 * [new tag]         2.0.4      -> 2.0.4
 * [new tag]         2.0.5      -> 2.0.5
 * [new tag]         2.0.6      -> 2.0.6
 * [new tag]         2.1.0      -> 2.1.0
 * [new tag]         2.1.1      -> 2.1.1
 * [new tag]         2.1.10     -> 2.1.10
 * [new tag]         2.1.11     -> 2.1.11
 * [new tag]         2.1.12     -> 2.1.12
 * [new tag]         2.1.13     -> 2.1.13
 * [new tag]         2.1.14     -> 2.1.14
 * [new tag]         2.1.15     -> 2.1.15
 * [new tag]         2.1.16     -> 2.1.16
 * [new tag]         2.1.2      -> 2.1.2
 * [new tag]         2.1.3      -> 2.1.3
 * [new tag]         2.1.4      -> 2.1.4
 * [new tag]         2.1.5      -> 2.1.5
 * [new tag]         2.1.6      -> 2.1.6
 * [new tag]         2.1.7      -> 2.1.7
 * [new tag]         2.1.8      -> 2.1.8
 * [new tag]         2.1.9      -> 2.1.9
 * [new tag]         2.2.0      -> 2.2.0
 * [new tag]         2.2.1      -> 2.2.1
 * [new tag]         2.2.2      -> 2.2.2
 * [new tag]         2.2.3      -> 2.2.3
 * [new tag]         2.2.4      -> 2.2.4
HEAD is now at 52a7c15cc Merge pull request #6988 from Homebrew/revert-6965-external-help-cli-parser
==> Downloading https://homebrew.bintray.com/bottles-portable-ruby/portable-ruby-2.6.3.mavericks.bottle.tar.gz
######################################################################## 100.0%
==> Pouring portable-ruby-2.6.3.mavericks.bottle.tar.gz
==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
  https://github.com/Homebrew/brew#donations
==> Tapping homebrew/core
Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core'...
remote: Enumerating objects: 5121, done.
remote: Counting objects: 100% (5121/5121), done.
remote: Compressing objects: 100% (4918/4918), done.
remote: Total 5121 (delta 46), reused 310 (delta 7), pack-reused 0
Receiving objects: 100% (5121/5121), 4.15 MiB | 3.25 MiB/s, done.
Resolving deltas: 100% (46/46), done.
Tapped 2 commands and 4904 formulae (5,163 files, 12.8MB).
Already up-to-date.
==> Installation successful!

==> Homebrew has enabled anonymous aggregate formulae and cask analytics.
Read the analytics documentation (and how to opt-out) here:
  https://docs.brew.sh/Analytics

==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
  https://github.com/Homebrew/brew#donations
==> Next steps:
- Run `brew help` to get started
- Further documentation: 
    https://docs.brew.sh

安装成功！

5. 再检查一下 homebrew 的安装

执行以下命令：

brew update

结果如下：

Already up-to-date.

执行以下命令：

brew doctor

结果如下：

Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected dylibs:
  /usr/local/lib/libnnz11.dylib
  /usr/local/lib/libociei.dylib
  /usr/local/lib/libocijdbc11.dylib

没问题！

6. 使用 homebrew 安装 git 和 python

执行以下命令：

brew install git python

结果如下：

==> Installing dependencies for git: gettext and pcre2
==> Installing git dependency: gettext
==> Downloading https://homebrew.bintray.com/bottles/gettext-0.20.1.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/fa/fa2096f80238b8f4d9f3724d526626ab4db5c0586f3746ee13f
######################################################################## 100.0%
==> Pouring gettext-0.20.1.mojave.bottle.tar.gz
==> Caveats
gettext is keg-only, which means it was not symlinked into /usr/local,
because macOS provides the BSD gettext library & some software gets confused if both are in the library path.

If you need to have gettext first in your PATH run:
  echo 'export PATH="/usr/local/opt/gettext/bin:$PATH"' >> ~/.bash_profile

For compilers to find gettext you may need to set:
  export LDFLAGS="-L/usr/local/opt/gettext/lib"
  export CPPFLAGS="-I/usr/local/opt/gettext/include"

==> Summary
🍺  /usr/local/Cellar/gettext/0.20.1: 1,899 files, 18.5MB
==> Installing git dependency: pcre2
==> Downloading https://homebrew.bintray.com/bottles/pcre2-10.34.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/9b/9bc0815c6c4c584ef16e93e5ecf37aa786303d88f9321274a29
######################################################################## 100.0%
==> Pouring pcre2-10.34.mojave.bottle.tar.gz
🍺  /usr/local/Cellar/pcre2/10.34: 230 files, 5.9MB
==> Installing git
==> Downloading https://homebrew.bintray.com/bottles/git-2.25.0_1.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/54/54508f6ad675b1a3964d8576b9123d1459f6edf4f8847e229b5
######################################################################## 100.0%
==> Pouring git-2.25.0_1.mojave.bottle.tar.gz
==> Caveats
The Tcl/Tk GUIs (e.g. gitk, git-gui) are now in the `git-gui` formula.

Bash completion has been installed to:
  /usr/local/etc/bash_completion.d

zsh completions and functions have been installed to:
  /usr/local/share/zsh/site-functions

Emacs Lisp files have been installed to:
  /usr/local/share/emacs/site-lisp/git
==> Summary
🍺  /usr/local/Cellar/git/2.25.0_1: 1,443 files, 43.5MB
==> Installing dependencies for python: gdbm, openssl@1.1, readline, sqlite and xz
==> Installing python dependency: gdbm
==> Downloading https://homebrew.bintray.com/bottles/gdbm-1.18.1.mojave.bottle.1.tar.gz
######################################################################## 100.0%
==> Pouring gdbm-1.18.1.mojave.bottle.1.tar.gz
🍺  /usr/local/Cellar/gdbm/1.18.1: 20 files, 586.8KB
==> Installing python dependency: openssl@1.1
==> Downloading https://homebrew.bintray.com/bottles/openssl@1.1-1.1.1d.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/10/104ef018b7bb8fcc49f57e5a60359a28a02d480d85a959e6141
######################################################################## 100.0%
==> Pouring openssl@1.1-1.1.1d.mojave.bottle.tar.gz
==> Caveats
A CA file has been bootstrapped using certificates from the system
keychain. To add additional certificates, place .pem files in
  /usr/local/etc/openssl@1.1/certs

and run
  /usr/local/opt/openssl@1.1/bin/c_rehash

openssl@1.1 is keg-only, which means it was not symlinked into /usr/local,
because openssl/libressl is provided by macOS so don't link an incompatible version.

If you need to have openssl@1.1 first in your PATH run:
  echo 'export PATH="/usr/local/opt/openssl@1.1/bin:$PATH"' >> ~/.bash_profile

For compilers to find openssl@1.1 you may need to set:
  export LDFLAGS="-L/usr/local/opt/openssl@1.1/lib"
  export CPPFLAGS="-I/usr/local/opt/openssl@1.1/include"

==> Summary
🍺  /usr/local/Cellar/openssl@1.1/1.1.1d: 7,983 files, 17.9MB
==> Installing python dependency: readline
==> Downloading https://homebrew.bintray.com/bottles/readline-8.0.1.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/3c/3c754391e9d243835811d128771ca0f1a565024100fd2c28715
######################################################################## 100.0%
==> Pouring readline-8.0.1.mojave.bottle.tar.gz
==> Caveats
readline is keg-only, which means it was not symlinked into /usr/local,
because macOS provides the BSD libedit library, which shadows libreadline.
In order to prevent conflicts when programs look for libreadline we are
defaulting this GNU Readline installation to keg-only.

For compilers to find readline you may need to set:
  export LDFLAGS="-L/usr/local/opt/readline/lib"
  export CPPFLAGS="-I/usr/local/opt/readline/include"

==> Summary
🍺  /usr/local/Cellar/readline/8.0.1: 48 files, 1.5MB
==> Installing python dependency: sqlite
==> Downloading https://homebrew.bintray.com/bottles/sqlite-3.30.1.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/5e/5e6fef2d754e0e4009d502c40ad1846ac46937886b5f3fe8937
######################################################################## 100.0%
==> Pouring sqlite-3.30.1.mojave.bottle.tar.gz
==> Caveats
sqlite is keg-only, which means it was not symlinked into /usr/local,
because macOS provides an older sqlite3.

If you need to have sqlite first in your PATH run:
  echo 'export PATH="/usr/local/opt/sqlite/bin:$PATH"' >> ~/.bash_profile

For compilers to find sqlite you may need to set:
  export LDFLAGS="-L/usr/local/opt/sqlite/lib"
  export CPPFLAGS="-I/usr/local/opt/sqlite/include"

==> Summary
🍺  /usr/local/Cellar/sqlite/3.30.1: 11 files, 3.9MB
==> Installing python dependency: xz
==> Downloading https://homebrew.bintray.com/bottles/xz-5.2.4.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/01/010667293df282c8bceede3bcd36953dd57c56cef608d09a5b5
######################################################################## 100.0%
==> Pouring xz-5.2.4.mojave.bottle.tar.gz
🍺  /usr/local/Cellar/xz/5.2.4: 92 files, 1MB
==> Installing python
==> Downloading https://homebrew.bintray.com/bottles/python-3.7.6_1.mojave.bottle.tar.gz
==> Downloading from https://akamai.bintray.com/64/643d627c2b4fc03a3286c397d299284ef8ce2d4a832737e4117
######################################################################## 100.0%
==> Pouring python-3.7.6_1.mojave.bottle.tar.gz
==> /usr/local/Cellar/python/3.7.6_1/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/
==> /usr/local/Cellar/python/3.7.6_1/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/
==> /usr/local/Cellar/python/3.7.6_1/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/
==> Caveats
Python has been installed as
  /usr/local/bin/python3

Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
  /usr/local/opt/python/libexec/bin

If you need Homebrew's Python 2.7 run
  brew install python@2

You can install Python packages with
  pip3 install <package>
They will install into the site-package directory
  /usr/local/lib/python3.7/site-packages

See: https://docs.brew.sh/Homebrew-and-Python
==> Summary
🍺  /usr/local/Cellar/python/3.7.6_1: 3,977 files, 60.8MB
==> Caveats
==> gettext
gettext is keg-only, which means it was not symlinked into /usr/local,
because macOS provides the BSD gettext library & some software gets confused if both are in the library path.

If you need to have gettext first in your PATH run:
  echo 'export PATH="/usr/local/opt/gettext/bin:$PATH"' >> ~/.bash_profile

For compilers to find gettext you may need to set:
  export LDFLAGS="-L/usr/local/opt/gettext/lib"
  export CPPFLAGS="-I/usr/local/opt/gettext/include"

==> git
The Tcl/Tk GUIs (e.g. gitk, git-gui) are now in the `git-gui` formula.

Bash completion has been installed to:
  /usr/local/etc/bash_completion.d

zsh completions and functions have been installed to:
  /usr/local/share/zsh/site-functions

Emacs Lisp files have been installed to:
  /usr/local/share/emacs/site-lisp/git
==> openssl@1.1
A CA file has been bootstrapped using certificates from the system
keychain. To add additional certificates, place .pem files in
  /usr/local/etc/openssl@1.1/certs

and run
  /usr/local/opt/openssl@1.1/bin/c_rehash

openssl@1.1 is keg-only, which means it was not symlinked into /usr/local,
because openssl/libressl is provided by macOS so don't link an incompatible version.

If you need to have openssl@1.1 first in your PATH run:
  echo 'export PATH="/usr/local/opt/openssl@1.1/bin:$PATH"' >> ~/.bash_profile

For compilers to find openssl@1.1 you may need to set:
  export LDFLAGS="-L/usr/local/opt/openssl@1.1/lib"
  export CPPFLAGS="-I/usr/local/opt/openssl@1.1/include"

==> readline
readline is keg-only, which means it was not symlinked into /usr/local,
because macOS provides the BSD libedit library, which shadows libreadline.
In order to prevent conflicts when programs look for libreadline we are
defaulting this GNU Readline installation to keg-only.

For compilers to find readline you may need to set:
  export LDFLAGS="-L/usr/local/opt/readline/lib"
  export CPPFLAGS="-I/usr/local/opt/readline/include"

==> sqlite
sqlite is keg-only, which means it was not symlinked into /usr/local,
because macOS provides an older sqlite3.

If you need to have sqlite first in your PATH run:
  echo 'export PATH="/usr/local/opt/sqlite/bin:$PATH"' >> ~/.bash_profile

For compilers to find sqlite you may need to set:
  export LDFLAGS="-L/usr/local/opt/sqlite/lib"
  export CPPFLAGS="-I/usr/local/opt/sqlite/include"

==> python
Python has been installed as
  /usr/local/bin/python3

Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
  /usr/local/opt/python/libexec/bin

If you need Homebrew's Python 2.7 run
  brew install python@2

You can install Python packages with
  pip3 install <package>
They will install into the site-package directory
  /usr/local/lib/python3.7/site-packages

See: https://docs.brew.sh/Homebrew-and-Python

好像还是有点问题……

7. 查看安装好的这两个软件包以及所有自动安装的依赖包

执行以下命令：

brew list

结果如下：

gdbm		git		pcre2		readline	xz
gettext		openssl@1.1	python		sqlite

8. 查看新安装的 Python 的版本

执行以下命令：

python3 -V

结果如下：

Python 3.7.6

Reference

neolee#1014
https://gist.github.com/irazasyed/7732946
https://docs.brew.sh/FAQ
https://discourse.brew.sh/t/uninstalling-homebrew/5456
Homebrew/legacy-homebrew#50275)

Logging

2020-02-02 17:22:40 initialize