100 lines
2.3 KiB
Bash
100 lines
2.3 KiB
Bash
# Delta
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# Reference/Resources:
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#
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# Prompt Expansion:
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# http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html
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# http://unix.stackexchange.com/questions/157693/howto-include-output-of-a-script-into-the-zsh-prompt
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#
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# vcs_info
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# https://github.com/zsh-users/zsh/blob/master/Misc/vcs_info-examples
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# http://zsh.sourceforge.net/Doc/Release/User-Contributions.html#Version-Control-Information
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#
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__shlvl_deep() {
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[[ $SHLVL -gt 1 ]]
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}
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delta_prompt_symbol() {
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if [[ "$1" -eq 0 ]]; then
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local color
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if __shlvl_deep; then
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color=blue
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else
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color=red
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fi
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print -n "%F{$color}"
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else
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print -n '%F{8}'
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fi
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}
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delta_prompt_nix_shell() {
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if __shlvl_deep; then
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print -n " %F{cyan}>%F{blue}>%F{8}"
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tr : '\n' <<<$PATH | grep '^/nix/store' | while read storepath; do
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print -n " ${${storepath#*-}%/*}"
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done
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print -n '%f\n '
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else
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print -n ' '
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fi
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}
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delta_prompt_init() {
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local hostnamevar PRETTY_HOSTNAME CHASSIS LOCATION
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if [[ -f /etc/machine-info ]]; then
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. /etc/machine-info
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if [[ -n $PRETTY_HOSTNAME ]]; then
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hostnamevar=$PRETTY_HOSTNAME
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fi
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fi
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if [[ -z $hostnamevar ]]; then
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hostnamevar='%m'
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fi
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if [[ -n $SSH_CONNECTION ]]; then
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PROMPT="$(delta_prompt_nix_shell)\$(delta_prompt_symbol \$? red)Δ%f %F{8}$hostnamevar %c >%f "
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else
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PROMPT="$(delta_prompt_nix_shell)\$(delta_prompt_symbol \$? red)Δ%f %F{8}%c >%f "
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fi
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unfunction delta_prompt_nix_shell
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zstyle ':vcs_info:*' enable git
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zstyle ':vcs_info:*' use-simple true
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zstyle ':vcs_info:git*' formats '%b'
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zstyle ':vcs_info:git*' actionformats '%b|%a'
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zstyle ':vcs_info:*' max-exports 2
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}
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delta_prompt_git_status() {
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local message=""
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local message_color="%F{green}"
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# https://git-scm.com/docs/git-status#_short_format
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local staged=$(git status --porcelain 2>/dev/null | grep -e "^[MADRCU]")
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local unstaged=$(git status --porcelain 2>/dev/null | grep -e "^[MADRCU? ][MADRCU?]")
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if [[ -n ${staged} ]]; then
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message_color="%F{red}"
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elif [[ -n ${unstaged} ]]; then
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message_color="%F{yellow}"
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fi
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local branch=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)
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if [[ -n ${branch} ]]; then
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message+="${message_color}${branch}%f"
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fi
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echo -n "${message}"
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}
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delta_prompt_init "$@"
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# xterm title
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PROMPT_XTITLE=$'%{\033]0;%n@%M:%~\007%}'
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PROMPT="${PROMPT_XTITLE}${PROMPT}"
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RPROMPT='$(delta_prompt_git_status)'
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