4b95df9a5f
and add a comment stating that the theme requires the `git-info` module. Also make better usage of the arithmetic command `(( ))`. Closes #146
73 lines
2.3 KiB
Bash
73 lines
2.3 KiB
Bash
#
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# magicmace theme
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# Ideas and code taken from:
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# xero's zsh prompt <http://code.xero.nu/dotfiles>
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# eriner's eriner prompt <https://github.com/Eriner/zim/blob/master/modules/prompt/themes/eriner.zsh-theme>
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#
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# Requires the `git-info` zmodule to be included in the .zimrc file.
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# Global variables
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function {
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COLOR_ROOT="%F{red}"
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COLOR_USER="%F{cyan}"
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COLOR_NORMAL="%F{white}"
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COLOR_ERROR="%F{red}"
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if (( ${EUID} )); then
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COLOR_USER_LEVEL=${COLOR_USER}
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else
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COLOR_USER_LEVEL=${COLOR_ROOT}
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fi
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}
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# Status:
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# - was there an error?
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# - are there background jobs?
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# - are we in a ranger session?
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prompt_magicmace_status() {
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local symbols=""
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(( ${RETVAL} )) && symbols+="${COLOR_ERROR}${RETVAL}${COLOR_NORMAL}" # $? for error.
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(( $(jobs -l | wc -l) > 0 )) && symbols+='b' # 'b' for background.
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(( ${RANGER_LEVEL} )) && symbols+='r' # 'r' for... you guessed it!
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[[ -n ${symbols} ]] && print -n "─${COLOR_NORMAL}${symbols}${COLOR_USER_LEVEL}─"
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}
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prompt_magicmace_git() {
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[[ -n ${git_info} ]] && print -n "${(e)git_info[prompt]}"
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}
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prompt_magicmace_precmd() {
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# While it would be apt to have this as a local variable in prompt_status(),
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# $? (returned value) and ${(%):-%?} ("The return status of the last command
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# executed just before the prompt") both change before executing the function.
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# Is this perhaps because prompt_status _is_ here?
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# We could also just set $? as an argument, and thus get our nifty local variable,
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# but that's stretching it, and makes the code harder to read.
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RETVAL=$?
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(( ${+functions[git-info]} )) && git-info
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}
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prompt_magicmace_setup() {
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autoload -Uz colors && colors
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autoload -Uz add-zsh-hook
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prompt_opts=(cr percent subst)
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add-zsh-hook precmd prompt_magicmace_precmd
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zstyle ':zim:git-info:branch' format '%b'
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zstyle ':zim:git-info:commit' format '%c...'
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zstyle ':zim:git-info:dirty' format '*'
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zstyle ':zim:git-info:ahead' format '↑'
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zstyle ':zim:git-info:behind' format '↓'
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zstyle ':zim:git-info:keys' format \
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'prompt' '─[${COLOR_NORMAL}%b%c%D%A%B${COLOR_USER_LEVEL}]'
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# Call git directly, ignoring aliases under the same name.
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PROMPT='${COLOR_USER_LEVEL}$(prompt_magicmace_status)[${COLOR_NORMAL}$(short_pwd)${COLOR_USER_LEVEL}]$(prompt_magicmace_git)── ─%f '
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RPROMPT=''
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}
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prompt_magicmace_setup "$@"
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