Shell – How to make RPROMPT in zsh update itself on every enter

environment-variablespromptshellzsh

My RPROMPT is set to display svn info using vcs_info. It reads RPROMPT=${vcs_info_msg_0_}. vcs_info is called using precmd(). However, RPROMPT doesn't update when I change directories. It works only if I invoke the prompt again (either by source ~/.zshrc or prompt ) and doesn't change upon chdir, unless I invoke the prompt again. Is there any way to change this behaviour?

Best Answer

Try putting single quotes around the variable value at assignment to delay evaluation:

RPROMPT='${vcs_info_msg_0_}'

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I found this via SU. Here's the basic example, though I'm still customizing it for myself:

function zle-line-init zle-keymap-select {
    RPS1="${${KEYMAP/vicmd/-- NORMAL --}/(main|viins)/-- INSERT --}"
    RPS2=$RPS1
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}

zle -N zle-line-init
zle -N zle-keymap-select

I'd explain it except I don't really understand it yet

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Zsh's autocorrection only has limited configurability, but this should be enough for your use case. Set the CORRECT_IGNORE variable to match the strings you want to ignore in autocorrection.

CORRECT_IGNORE='.build'

(I'm assuming you aren't using correct_all. With correct_all, I think being endlessly prompted about things that don't need correcting is unavoidable.)

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