42 lines
1.1 KiB
Bash
42 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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COLOR_RESET='\[\e[0m\]'
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PROMPT_SUCCESS_COLOR='\[\e[0;34m\]'
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PROMPT_FAILURE_COLOR='\[\e[0;31m\]'
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DIR_COLOR='\[\e[0;33m\]'
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export ACTUAL_HOME=$(realpath "$HOME/..")
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# prompt rendering functions
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preprocess_pwd() {
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name="$PWD"
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# if we're in the home directory, replace it with tilde
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[[ "$name" =~ ^"$ACTUAL_HOME"(/|$) ]] && name="~${name#$ACTUAL_HOME}"
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# replace all non-basename parts of the PWD with only the first two letters
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curdir=$(echo "$PWD" | sed -r 's|.*/(.+)$|\1|g')
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name=$(echo "$name" | sed -r 's|/(..)[^/]*|/\1|g' | sed -r 's|(.*/)(.+)$|\1|g')
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# if we're just in the home directory, don't show any path stuff
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[[ "$name" == "~" ]] && curdir=""
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# return our transformed PWD
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echo "$name$curdir"
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}
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prompt_command_func()
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{
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RET=$?
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# set the color of the user and host based on the result of the previous
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# command
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if [ $RET -eq 0 ]; then
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STATUS_COLOR=$PROMPT_SUCCESS_COLOR
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else
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STATUS_COLOR=$PROMPT_FAILURE_COLOR
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fi;
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PS1="$STATUS_COLOR\u@\h$COLOR_RESET $DIR_COLOR$(eval "preprocess_pwd")$COLOR_RESET "
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}
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export PROMPT_COMMAND="prompt_command_func"
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