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82 lines
2.3 KiB
Bash
Executable file
82 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env zsh
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# hide EOL sign ('%')
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export PROMPT_EOL_MARK=""
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# TTY (pure linux) terminal only has 8-bit color support
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# (unless you change it in kernel), respect this and downgrade
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# the color scheme accordingly (it won't look best, but it's
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# still better than no colors)
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if [ $TERM = "linux" ]; then
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GREEN="%F{002}"
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RED="%F{001}"
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ORANGE="%F{003}"
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BLUE="%F{004}"
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LBLUE="%F{006}"
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PURPLE="%F{005}"
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else
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GREEN="%F{047}"
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RED="%F{196}"
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ORANGE="%F{214}"
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BLUE="%F{027}"
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LBLUE="%F{075}"
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PURPLE="%F{105}"
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fi
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RESET="%f"
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# Once we are too deep in the filestructure, we can usually afford to shorten
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# the whole working directory and only print something like ~/.../dir3/dir4/dir5
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# instead of ~/dir1/dir2/dir3/dir4/dir5. If this isn't desired, set this to 0
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USE_SHORTENED_WORKDIR=1
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# Signals git status of CWD repository (if any)
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git_prompt() {
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ref=$(command git symbolic-ref HEAD 2> /dev/null) || ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
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echo -n " $ORANGE${ref#refs/heads/}"
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if [ ! -z "$(git status --short)" ]; then
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echo "$RED+"
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fi
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}
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# Adds @chroot or @ssh
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foreign_prompt() {
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if [ "$(awk '$5=="/" {print $1}' </proc/1/mountinfo)" != "$(awk '$5=="/" {print $1}' </proc/$$/mountinfo)" ]; then
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echo -n "@${ORANGE}chroot"
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elif [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
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echo -n "@${ORANGE}ssh"
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fi
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}
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# Prints appropriate working directory
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working_directory() {
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# By default up to 5 directories will be tolerated before shortening
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# After we surpass that, first directory (or ~) will be printed together with last 3
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# This feature uses special symbol '…', but this isn't aviable when in TTY. Because
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# of this, when we are in TTY, we fall back to longer '...'
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if [ $USE_SHORTENED_WORKDIR != 1 ]; then
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echo -n " $BLUE$~"
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elif [ $TERM = "linux" ]; then
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echo -n " $BLUE%(5~|%-1~/.../%3~|%4~)"
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else
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echo -n " $BLUE%(5~|%-1~/…/%3~|%4~)"
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fi
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}
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setopt promptsubst # enable command substitution in prompt
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# Primary Prompt
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[ "$EUID" -eq 0 ] && PS1="$RED%n$RESET" || PS1="$GREEN%n$RESET" # user
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PS1+="$(foreign_prompt)"
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PS1+="\$(git_prompt)"
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PS1+="$(working_directory)"
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PS1+=" $PURPLE%(!.#.»)$RESET " # Final symbol (# or »)
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# Next line prompt
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PS2="$RED\ $RESET"
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# Right side prompt (on error)
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RPS1="%(?..$RED%? ↵$RESET)"
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