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Cấu hình nâng cao
Trong khi Starship là một shell linh hoạt, đôi khi bạn vẫn cần làm nhiều hơn là chỉnh sửa starship.toml
để có thể là được những việc nhất định. Tài liệu này sẽ mô tả chi tiết các tùy chỉnh nâng cao trong starship.
::: cảnh báo
Các tùy chỉnh được mô tả trong phần này có thể sẽ thay đổi trong các phiên bản tương lai của Starship.
:::
Tùy chỉnh các hàm được thực thi trước prompt và các lệnh Linux mặc định của bash shell
Bash không có một preexec/precmd framework chính thống giống như các shells khác. Do đó rất khó để cung cấp các hook với khả năng tuỳ biến hoàn toàn cho bash
shell. Tuy nhiên, Starship cho phép bạn viết các hàm riêng của bạn để tùy biến việc render prompt:
- Để thực thi một hàm custom trước khi prompt được render, ta cần định nghĩa một hàm mới và gán
starship_precmd_user_func
cho tên của hàm này. Ví dụ, để vẽ một tên lửa trước prompt
function blastoff(){
echo "🚀"
}
starship_precmd_user_func="blastoff"
- Để thực thi một hàm custom trước khi một câu lệnh Linux chạy, ta có thể sử dụng cơ chế bẫy tín hiệu
DEBUG
. Tuy nhiên, bạn phải đặt bẫy tín hiệu DEBUG trước khởi tạo Starship! Starship có thể giữ giá trị của DEBUG trap, nhưng nếu trap bị ghi đè sau khi starship khởi động, một vài chức năng sẽ không hoạt động.
function blastoff(){
echo "🚀"
}
trap blastoff DEBUG # Bẫy DEBUG *trước khi* starship chạy
eval $(starship init bash)
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
. Tuy nhiên, Starship cho phép bạn viết các hàm riêng của bạn để tùy biến việc render prompt:
Create a function named Invoke-Starship-PreCommand
function Invoke-Starship-PreCommand {
$host.ui.Write("🚀")
}
Change Window Title
Some shell prompts will automatically change the window title for you (e.g. to reflect your working directory). Fish even does it by default. Starship does not do this, but it's fairly straightforward to add this functionality to bash
or zsh
.
First, define a window title change function (identical in bash and zsh):
function set_win_title(){
echo -ne "\033]0; YOUR_WINDOW_TITLE_HERE \007"
}
You can use variables to customize this title ($USER
, $HOSTNAME
, and $PWD
are popular choices).
In bash
, set this function to be the precmd starship function:
starship_precmd_user_func="set_win_title"
In zsh
, add this to the precmd_functions
array:
precmd_functions+=(set_win_title)
If you like the result, add these lines to your shell configuration file (~/.bashrc
or ~/.zshrc
) to make it permanent.
For example, if you want to display your current directory in your terminal tab title, add the following snippet to your ~/.bashrc
or ~/.zshrc
:
function set_win_title(){
echo -ne "\033]0; $(basename "$PWD") \007"
}
starship_precmd_user_func="set_win_title"
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)
Enable Right Prompt
Some shells support a right prompt which renders on the same line as the input. Starship can set the content of the right prompt using the right_format
option. Any module that can be used in format
is also supported in right_format
. The $all
variable will only contain modules not explicitly used in either format
or right_format
.
Note: The right prompt is a single line following the input location. To right align modules above the input line in a multi-line prompt, see the fill module.
right_format
is currently supported for the following shells: elvish, fish, zsh.
Ví dụ
# ~/.config/starship.toml
# A minimal left prompt
format = """$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
Các chuỗi kiểu
Style strings are a list of words, separated by whitespace. The words are not case sensitive (i.e. bold
and BoLd
are considered the same string). Each word can be one of the following:
bold
nghiêng
gạch dưới
làm tối đi
đảo ngược
bg:<color>
fg:<color>
<color>
none
where <color>
is a color specifier (discussed below). fg:<color>
and <color>
currently do the same thing, though this may change in the future. inverted
swaps the background and foreground colors. The order of words in the string does not matter.
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
. It may become an error to use none
in conjunction with other tokens in the future.
A color specifier can be one of the following:
- Một tròn các màu chuẩn của terminal:
black
,red
,green
,blue
,yellow
,purple
,cyan
,white
. Bạn có thể tuỳ chọn những tiền tố này vớibright
để có được phiên bản sáng hơn (ví dụ:bright-white
). - Một
#
được theo sau bởi một số thập lục phân gồm sáu chữ số. Cái này quy định một mã thập lục phân cho màu RGB. - Một số nằm giữa 0-255. Cái này quy định một mã màu ANSI 8-bit.
If multiple colors are specified for foreground/background, the last one in the string will take priority.