命令行神器 The Fuck，敲错命令的后悔药

沉浸式趣谈12 小时前 22

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分享一个命令行实用程序 — TheFuck

它自动地纠正先前控制台命令中的错误。当命令失败时，用户可以输入 fuck 然后 TheFuck 会建议修正基于错误输出，允许用户快速修复拼写错误、权限问题或语法错误，而无需重新输入整个命令。

安装

基本要求

Python 3.5 或更高版本
pip（Python 包管理器）
python-dev（开发头文件）

可通过下面的命令来验证当前系统是否满足安装要求：

python --version
pip --version

其他系统/Windows

pip install thefuck

macOS or Linux

brew install thefuck

Ubuntu/Debian

sudo apt update
sudo apt install python3-dev python3-pip python3-setuptools
pip3 install thefuck --user

FreeBSD

pkg install thefuck

原理

当命令失败时，它会分析错误输出并应用规则来建议修正。然后用户可以接受或拒绝修正，TheFuck 执行了更正后的命令。

➜ apt-get install vim
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

➜ fuck
sudo apt-get install vim [enter/↑/↓/ctrl+c]

使用实例

➜ apt-get install vim
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

➜ fuck
sudo apt-get install vim [enter/↑/↓/ctrl+c]
[sudo] password for nvbn:
Reading package lists... Done
...

➜ git push
fatal: The current branch master has no upstream branch.
To push the current branch and set the remote as upstream, use

    git push --set-upstream origin master


➜ fuck
git push --set-upstream origin master [enter/↑/↓/ctrl+c]
Counting objects: 9, done.
...

➜ puthon
No command 'puthon' found, did you mean:
 Command 'python' from package 'python-minimal' (main)
 Command 'python' from package 'python3' (main)
zsh: command not found: puthon

➜ fuck
python [enter/↑/↓/ctrl+c]
Python 3.4.2 (default, Oct  8 2014, 13:08:17)
...

➜ git brnch
git: 'brnch' is not a git command. See 'git --help'.

Did you mean this?
    branch

➜ fuck
git branch [enter/↑/↓/ctrl+c]
* master

➜ lein rpl
'rpl' is not a task. See 'lein help'.

Did you mean this?
         repl

➜ fuck
lein repl [enter/↑/↓/ctrl+c]
nREPL server started on port 54848 on host 127.0.0.1 - nrepl://127.0.0.1:54848
REPL-y 0.3.1
...