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    <blockquote> <p>So I figured it out. It turns out I wasnt properly escaping the ANSI color codes (I think). Everywhere I had $reset_color in my PROMPT variable, I changed that to %{$reset_color%} and it fixed it.</p> </blockquote> <p>I only discovered <a href="https://wiki.archlinux.org/index.php/Zsh#Colors" rel="noreferrer">this link</a> tonight, after messing with my prompt - I'd always wondered <em>why</em> the ZSH prompt examples seemed so needlessly complex. </p> <p>When you set up the colors in your <code>zsh</code> prompt, you should escape things with <code>%{ [...] %}</code>, so that 'the shell knows there is no output from these sequences and the cursor hasn't moved'. </p> <p>If you <em>don't</em> escape this, the shell believes that your cursor has moved (even though it hasn't). This leads to messed up prompts, and rather annoying visual effects when you use tab-completion etc. </p> <p>Here's some screenshots <em>without</em> escaping the <code>reset-color</code> prompt sequence (<code>PR_NO_COLOUR="%{$terminfo[sgr0]%}"</code>, in my prompt settings). As we can see, the cursor starts in the wrong place:</p> <p><img src="https://i.stack.imgur.com/lQU3h.png" alt="Cursor starts in the wrong place"></p> <p>It should be here:</p> <p><img src="https://i.stack.imgur.com/4fMxN.png" alt="Correctly-placed cursor"></p> <p>And after trying tab-completion without escaping, the prompt is all confused about where the text is, and where the cursor should be placed:</p> <p><img src="https://i.stack.imgur.com/6PZv6.png" alt="Cursor is in the middle of the word"></p> <p>(The cursor should be placed at the end of the directory, not halfway through). </p> <p>So the prompt sequences look like this:</p> <pre><code>PS1="%{$fg[red]%}%n%{$reset_color%}@%{$fg[blue]%}%m %{$fg[yellow]%}%~ %{$reset_color%}%% " </code></pre> <p>because everything has to be escaped nicely inside <code>%{...%}</code> pairs. </p>
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