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new docs: instant prompt and broken unicode glyph debugging

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romkatv 2019-10-20 17:25:16 +02:00
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@ -28,9 +28,11 @@ it will generate the same prompt.
1. [Is it really fast?](#is-it-really-fast)
1. [License](#license)
1. [FAQ](#faq)
1. [What is instant prompt?](#what-is-instant-prompt)
1. [Why my icons and/or powerline symbols look bad?](#why-my-icons-andor-powerline-symbols-look-bad)
1. [Why is my cursor in the wrong place?](#why-is-my-cursor-in-the-wrong-place)
1. [Why is my right prompt wrapping around in a weird way?](#why-is-my-right-prompt-wrapping-around-in-a-weird-way)
1. [Why is my right prompt in the wrong place?](#why-is-my-right-prompt-in-the-wrong-place)
1. [I cannot install the recommended font. Help!](#i-cannot-install-the-recommended-font-help)
1. [Why do I have a question mark symbol in my prompt? Is my font broken?](#why-do-i-have-a-question-mark-symbol-in-my-prompt-is-my-font-broken)
1. [Why does Powerlevel10k spawn extra processes?](#why-does-powerlevel10k-spawn-extra-processes)
@ -199,6 +201,38 @@ covered by the same license.
## FAQ
### What is instant prompt?
*Instant Prompt* is an optional feature of Powerlevel10k. When enabled, Powerlevel10k prompt will
appear instantly after you start zsh, allowing you to get hacking right away. It's an effective
solution to the problem of slow zsh startup.
When you run `p10k configure`, Powerlevel10k will automatically enable instant prompt for you if
it hasn't been already enabled. You can also enable it manually by adding two code snippets to
`~/.zshrc`.
At the very top of `~/.zshrc`:
```zsh
# Enable Powerlevel10k instant prompt. Should stay at the top of ~/.zshrc.
if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
fi
```
And at the very bottom of `~/.zshrc`:
```zsh
# Finalize Powerlevel10k instant prompt. Should stay at the bottom of ~/.zshrc.
(( ! ${+functions[p10k-instant-prompt-finalize]} )) || p10k-instant-prompt-finalize
```
It's important that you copy the lines verbatim. Don't replace `source` with something else, don't
call `zcompile`, don't redirect output, etc. Just copy the lines and restart zsh.
To disable instant prompt, define `POWERLEVEL9K_DISABLE_INSTANT_PROMPT=true` together with the rest
of your `POWERLEVEL9K` parameters. `~/.p10k.zsh` already has a line that you can simply uncomment.
### Why my icons and/or powerline symbols look bad?
It's likely your font's fault.
@ -207,30 +241,92 @@ It's likely your font's fault.
### Why is my cursor in the wrong place?
It's likely your font's fault.
[Install the recommended font](#recommended-meslo-nerd-font-patched-for-powerlevel10k) and run
Type `echo '\u276F'`. If you get an error saying "zsh: character not in range",
your locale doesn't support UTF-8. You need to fix it.
If the `echo` command prints `❯` but the cursor is still in the wrong place, install
[the recommended font](#recommended-meslo-nerd-font-patched-for-powerlevel10k) and run
`p10k configure`.
If this doesn't help, type `unset ZLE_RPROMPT_INDENT`. If it fixes the issue, make the change
permanent:
If this doesn't help, add `unset ZLE_RPROMPT_INDENT` at the bottom of `~/.zshrc`.
Still broken? Run the following command to diagnose the problem:
```zsh
echo 'unset ZLE_RPROMPT_INDENT' >>! ~/.zshrc
() {
emulate -L zsh
setopt err_return no_unset
local text
print -rl -- 'Select a part of your prompt from the terminal window and paste it below.' ''
read -r '?Prompt: ' text
local -i len=${(m)#text}
local frame="+-${(pl.$len..-.):-}-+"
print -lr -- $frame "| $text |" $frame
}
```
### Why is my right prompt wrapping around in a weird way?
**If the prompt line aligns with the frame**
It's likely your font's fault.
[Install the recommended font](#recommended-meslo-nerd-font-patched-for-powerlevel10k) and run
`p10k configure`.
```
+------------------------------+
| romka@adam ✓ ~/powerlevel10k |
+------------------------------+
```
If this doesn't help, type `unset ZLE_RPROMPT_INDENT`. If it fixes the issue, make the change
permanent:
If the output of the command is aligned for every part of your prompt (left and right), this
indicates a bug in the theme or your config. Use this command to diagnose it:
```zsh
echo 'unset ZLE_RPROMPT_INDENT' >>! ~/.zshrc
print -rl -- ${(eq+)PROMPT} ${(eq+)RPROMPT}
```
Look for `%{...%}` and backslash escapes in the output. If there are any, they are the likely
culprits. Open an issue if you get stuck.
**If the prompt line is longer than the frame**
```
+-----------------------------+
| romka@adam ✓ ~/powerlevel10k |
+-----------------------------+
```
This is usually caused by a terminal bug or misconfiguration that makes it print ambiguous-width
characters as double-width instead of single width. For example,
[this issue](https://github.com/romkatv/powerlevel10k/issues/165).
**If the prompt line is shorter than the frame and is mangled**
```
+------------------------------+
| romka@adam ✓~/powerlevel10k |
+------------------------------+
```
Note that this prompt is different from the original as it's missing a space after the checkmark.
This can be caused by a low-level bug in macOS. See
[this issue](https://github.com/romkatv/powerlevel10k/issues/241).
**If the prompt line is shorter than the frame and is not mangled**
```
+--------------------------------+
| romka@adam ✓ ~/powerlevel10k |
+--------------------------------+
```
This can be caused by misconfigured locale. See
[this issue](https://github.com/romkatv/powerlevel10k/issues/251).
### Why is my prompt wrapping around in a weird way?
See [Why is my cursor in the wrong place?](#why-is-my-cursor-in-the-wrong-place)
### Why is my right prompt in the wrong place?
See [Why is my cursor in the wrong place?](#why-is-my-cursor-in-the-wrong-place)
### I cannot install the recommended font. Help!
Once you download [the recommended font](#recommended-meslo-nerd-font-patched-for-powerlevel10k),