202 lines
8.1 KiB
Markdown
202 lines
8.1 KiB
Markdown
# Cấu hình nâng cao
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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.
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::: cảnh báo
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Các tùy chỉnh được mô tả trong phần này có thể sẽ thay đổi trong các phiên bản tương lai của Starship.
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:::
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## Custom pre-prompt and pre-execution Commands in Cmd
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Clink provides extremely flexible APIs to run pre-prompt and pre-exec commands in Cmd shell. It is fairly simple to use with Starship. Make the following changes to your `starship.lua` file as per your requirements:
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- To run a custom function right before the prompt is drawn, define a new function called `starship_preprompt_user_func`. This function receives the current prompt as a string that you can utilize. For example, to draw a rocket before the prompt, you would do
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```lua
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function starship_preprompt_user_func(prompt)
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print("🚀")
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end
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load(io.popen('starship init cmd'):read("*a"))()
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```
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- To run a custom function right before a command is executed, define a new function called `starship_precmd_user_func`. This function receives the current commandline as a string that you can utilize. For example, to print the command that's about to be executed, you would do
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```lua
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function starship_precmd_user_func(line)
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print("Executing: "..line)
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end
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load(io.popen('starship init cmd'):read("*a"))()
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```
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## Custom pre-prompt and pre-execution Commands in Bash
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Bash does not have a formal preexec/precmd framework like most other shells. Because of this, it is difficult to provide fully customizable hooks in `bash`. Tuy nhiên, Starship cho phép bạn viết các hàm riêng của bạn để tùy biến việc render prompt:
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- To run a custom function right before the prompt is drawn, define a new function and then assign its name to `starship_precmd_user_func`. For example, to draw a rocket before the prompt, you would do
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```bash
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function blastoff(){
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echo "🚀"
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}
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starship_precmd_user_func="blastoff"
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```
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- To run a custom function right before a command runs, you can use the [`DEBUG` trap mechanism](https://jichu4n.com/posts/debug-trap-and-prompt_command-in-bash/). However, you **must** trap the DEBUG signal *before* initializing Starship! Starship can preserve the value of the DEBUG trap, but if the trap is overwritten after starship starts up, some functionality will break.
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```bash
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function blastoff(){
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echo "🚀"
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}
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trap blastoff DEBUG # Trap DEBUG *before* running starship
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eval $(starship init bash)
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```
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## Custom pre-prompt and pre-execution Commands in PowerShell
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PowerShell does not have a formal preexec/precmd framework like most other shells. Because of this, it is difficult to provide fully customizable hooks in `powershell`. Tuy nhiên, Starship cho phép bạn viết các hàm riêng của bạn để tùy biến việc render prompt:
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Create a function named `Invoke-Starship-PreCommand`
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```powershell
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function Invoke-Starship-PreCommand {
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$host.ui.Write("🚀")
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}
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```
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## Change Window Title
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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`, `zsh`, `cmd` or `powershell`.
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First, define a window title change function (identical in bash and zsh):
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```bash
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function set_win_title(){
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echo -ne "\033]0; YOUR_WINDOW_TITLE_HERE \007"
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}
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```
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You can use variables to customize this title (`$USER`, `$HOSTNAME`, and `$PWD` are popular choices).
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In `bash`, set this function to be the precmd starship function:
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```bash
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starship_precmd_user_func="set_win_title"
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```
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In `zsh`, add this to the `precmd_functions` array:
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```bash
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precmd_functions+=(set_win_title)
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```
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If you like the result, add these lines to your shell configuration file (`~/.bashrc` or `~/.zshrc`) to make it permanent.
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For example, if you want to display your current directory in your terminal tab title, add the following snippet to your `~/.bashrc` or `~/.zshrc`:
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```bash
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function set_win_title(){
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echo -ne "\033]0; $(basename "$PWD") \007"
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}
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starship_precmd_user_func="set_win_title"
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```
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For Cmd, you can change the window title using the `starship_preprompt_user_func` function.
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```lua
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function starship_preprompt_user_func(prompt)
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console.settitle(os.getenv('USERNAME').."@"..os.getenv('COMPUTERNAME')..": "..os.getcwd())
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end
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load(io.popen('starship init cmd'):read("*a"))()
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```
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You can also set a similar output with PowerShell by creating a function named `Invoke-Starship-PreCommand`.
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```powershell
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# edit $PROFILE
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function Invoke-Starship-PreCommand {
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$host.ui.Write("`e]0; PS> $env:USERNAME@$env:COMPUTERNAME`: $pwd `a")
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}
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Invoke-Expression (&starship init powershell)
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```
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## Enable Right Prompt
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Some shells support a right prompt which renders on the same line as the input. Starship can set the content of the right prompt using the `right_format` option. Any module that can be used in `format` is also supported in `right_format`. The `$all` variable will only contain modules not explicitly used in either `format` or `right_format`.
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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](/config/#fill).
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`right_format` is currently supported for the following shells: elvish, fish, zsh, xonsh, cmd.
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### Ví dụ
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```toml
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# ~/.config/starship.toml
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# A minimal left prompt
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format = """$character"""
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# move the rest of the prompt to the right
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right_format = """$all"""
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```
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Produces a prompt like the following:
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```
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▶ starship on rprompt [!] is 📦 v0.57.0 via 🦀 v1.54.0 took 17s
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```
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## Continuation Prompt
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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).
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Starship can set the continuation prompt using the `continuation_prompt` option. The default prompt is `"[∙](bright-black) "`.
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Note: `continuation_prompt` should be set to a literal string without any variables.
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Note: Continuation prompts are only available in the following shells:
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- `bash`
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- `zsh`
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- `PowerShell`
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### Ví dụ
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```toml
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# ~/.config/starship.toml
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# A continuation prompt that displays two filled in arrows
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continuation_prompt = "▶▶"
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```
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## Các chuỗi kiểu
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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:
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- `bold`
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- `italic`
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- `underline`
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- `dimmed`
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- `inverted`
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- `bg:<color>`
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- `fg:<color>`
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- `<color>`
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- `none`
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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.
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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.
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A color specifier can be one of the following:
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- One of the standard terminal colors: `black`, `red`, `green`, `blue`, `yellow`, `purple`, `cyan`, `white`. You can optionally prefix these with `bright-` to get the bright version (e.g. `bright-white`).
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- A `#` followed by a six-digit hexadecimal number. This specifies an [RGB color hex code](https://www.w3schools.com/colors/colors_hexadecimal.asp).
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- A number between 0-255. This specifies an [8-bit ANSI Color Code](https://i.stack.imgur.com/KTSQa.png).
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If multiple colors are specified for foreground/background, the last one in the string will take priority.
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