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7.9 KiB
高级配置
Starship 功能繁多,有时您必须在编辑 <code>starship.toml
之外做更多工作才能实现某些效果。 此页面详细介绍了一些在 starship 中使用的高级配置技巧。
::: warning
本节所述的配置内容可能随 Starship 未来版本的更新而改变。
:::
在 Cmd 中自定义预提示和执行前命令
Clink 提供了很灵活的 API,能在 Cmd shell 中运行预提示和执行前命令。 在 Starship 中使用这些 API 很容易。 对你的 starship.lua
按需做出如下修改:
- 为了在提示符显示前运行一个自定义函数,你需要定义一个名为
starship_preprompt_user_func
的函数。 这个函数接受当前的提示符作为字符串参数,你可以在函数中使用它。 例如,如果想在提示符前绘制一个火箭,可以这样写:
function starship_preprompt_user_func(prompt)
print("🚀")
end
load(io.popen('starship init cmd'):read("*a"))()
- 为了在命令执行前运行一个自定义函数,你需要定义一个名为
starship_precmd_user_func
的函数。 这个函数接受当前的命令行内容作为字符串参数,同样,你可以在函数中使用它。 例如,要打印即将被执行的命令,可以这样写:
function starship_precmd_user_func(line)
print("Executing: "..line)
end
load(io.popen('starship init cmd'):read("*a"))()
在 Bash 中自定义预提示和预执行命令
Bash 并没有类似大多数其它 shell 的正式预执行/预命令框架。 因此,很难在 bash
中提供完全可自定义的 hook 机制。 然而,Starship 确实能使您有限地在提示符渲染过程中插入自己的函数执行:
- 若要在提示符显示之前运行自定义函数,需要定义此函数,然后将函数名赋值给
starship_reserved_user_func
。 例如,要在提示符之前绘制一枚火箭,您应该写
function blastoff(){
echo "🚀"
}
starship_precmd_user_func="blastoff"
- 要在一个命令运行前运行自定义函数,您可以使用
DEBUG
trap 机制。 然而,您必须在捕捉 DEBUG 信号_之前_启动 Starship! Starship 可以保留 DEBUG trap 的值,但如果该 trap 在 starship 启动后被覆盖,一些功能将会被破坏。
function blastoff(){
echo "🚀"
}
trap blastoff DEBUG # Trap DEBUG *before* running starship
set -o functrace
eval $(starship init bash)
set +o functrace
Custom pre-prompt and pre-execution Commands in PowerShell
PowerShell does not have a formal preexec/precmd framework like most other shells. Because of this, it is difficult to provide fully customizable hooks in powershell
. 然而,Starship 确实能使您有限地在提示符渲染过程中插入自己的函数执行:
Create a function named Invoke-Starship-PreCommand
function Invoke-Starship-PreCommand {
$host.ui.Write("🚀")
}
更改窗口标题
一些 shell 会自动更改您的窗口标题(比如改成您的工作目录)。 Fish 甚至默认会执行此功能。 Starship does not do this, but it's fairly straightforward to add this functionality to bash
, zsh
, cmd
or powershell
.
首先,定义窗口标题更改函数(在 bash 和 zsh 中相同):
function set_win_title(){
echo -ne "\033]0; YOUR_WINDOW_TITLE_HERE \007"
}
您可以使用变量来定制标题(常用的有 $USER
,$HOSTNAME
和 $PWD
)。
在 bash
中,设置此函数为 starship 预执行函数:
starship_precmd_user_func="set_win_title"
在 zsh
中,将此函数添加到 reservmd_functions
列表:
precmd_functions+=(set_win_title)
如果您对产生的效果感到满意,请将以上代码添加到您的 shell 配置文件(~/.bashrc
或 ~/zsrhc
)中以使其永久化。
例如,如果您想要在终端标签标题中显示当前目录, 将以下代码添加到您的 ~/.ashrc
或 ~/.zshrc
:
function set_win_title(){
echo -ne "\033]0; $(basename "$PWD") \007"
}
starship_precmd_user_func="set_win_title"
For Cmd, you can change the window title using the starship_preprompt_user_func
function.
function starship_preprompt_user_func(prompt)
console.settitle(os.getenv('USERNAME').."@"..os.getenv('COMPUTERNAME')..": "..os.getcwd())
end
load(io.popen('starship init cmd'):read("*a"))()
You can also set a similar output with PowerShell by creating a function named Invoke-Starship-PreCommand
.
# edit $PROFILE
function Invoke-Starship-PreCommand {
$host.ui.Write("`e]0; PS> $env:USERNAME@$env:COMPUTERNAME`: $pwd `a")
}
Invoke-Expression (&starship init powershell)
启用右侧提示
一些 Shell 支持右侧提示, 它与输入区渲染在同一行。 Starship 可以设置右侧提示的内容,使用 right_format
选项。 Any module that can be used in format
is also supported in right_format
. The $all
variable will only contain modules not explicitly used in either format
or right_format
.
Note: The right prompt is a single line following the input location. To right align modules above the input line in a multi-line prompt, see the fill
module.
right_format
is currently supported for the following shells: elvish, fish, zsh, xonsh, cmd.
示例
# ~/.config/starship.toml
# A minimal left prompt
format = """$character"""
# move the rest of the prompt to the right
right_format = """$all"""
Produces a prompt like the following:
▶ starship on rprompt [!] is 📦 v0.57.0 via 🦀 v1.54.0 took 17s
Continuation Prompt
Some shells support a continuation prompt along with the normal prompt. This prompt is rendered instead of the normal prompt when the user has entered an incomplete statement (such as a single left parenthesis or quote).
Starship can set the continuation prompt using the continuation_prompt
option. The default prompt is "[∙](bright-black) "
.
Note: continuation_prompt
should be set to a literal string without any variables.
Note: Continuation prompts are only available in the following shells:
bash
zsh
PowerShell
示例
# ~/.config/starship.toml
# A continuation prompt that displays two filled in arrows
continuation_prompt = "▶▶"
样式设定
样式字符串是用空格分隔的单词列表。 其中单词不是大小写敏感的(例如 bold
和 BoLd
被视为同一字符串)。 每个单词可以是以下之一:
bold
italic
underline
dimmed
inverted
bg:<color>
fg:<color>
<color>
none
<color>
是颜色说明符(下面解释)。 fg:<color>
and <color>
currently do the same thing, though this may change in the future. inverted
swaps the background and foreground colors. 字符串中的单词顺序不影响显示结果。
The none
token overrides all other tokens in a string if it is not part of a bg:
specifier, so that e.g. fg:red none fg:blue
will still create a string with no styling. bg:none
sets the background to the default color so fg:red bg:none
is equivalent to red
or fg:red
and bg:green fg:red bg:none
is also equivalent to fg:red
or red
. 未来可能会将 none
与其它标识符一起使用视为一种错误。
颜色说明符可以是以下内容之一:
- One of the standard terminal colors:
black
,red
,green
,blue
,yellow
,purple
,cyan
,white
. You can optionally prefix these withbright-
to get the bright version (e.g.bright-white
). - 一个
#
后跟一个六位十六进制数。 这将指定一个 十六进制 RGB 颜色代码。 - 0-255 之间的数字。 这将指定一个 8 位 ANSI 颜色码。
如果为文本/背景指定了多个颜色,字符串中最后指定的颜色将具有最高优先级。