zshrc

gistfile1.txt

# --- history ---
HISTFILE=~/.zsh_history
HISTSIZE=10000
SAVEHIST=10000
setopt hist_ignore_dups
setopt hist_ignore_space
setopt share_history
setopt inc_append_history

# --- core ---
setopt prompt_subst
autoload -Uz colors add-zsh-hook
colors

# --- glyphs ---
SEGMENT_SEPARATOR=$'\ue0b0'
BRANCH=$'\ue0a0'
DETACHED=$'\u27a6'
PLUSMINUS=$'\u00b1'
CROSS=$'\u2718'
LIGHTNING=$'\u26a1'
GEAR=$'\u2699'

: ${DEFAULT_USER:=""}
: ${PRIMARY_FG:=black}

# --- state ---
typeset -g CURRENT_BG=NONE
typeset -g _GIT_PROMPT=""
typeset -g _GIT_COLOR=""

# --- segments ---
prompt_segment() {
  local bg fg
  [[ -n $1 ]] && bg="%K{$1}" || bg="%k"
  [[ -n $2 ]] && fg="%F{$2}" || fg="%f"
  if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
    print -n "%{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%}"
  else
    print -n "%{$bg%}%{$fg%}"
  fi
  CURRENT_BG=$1
  [[ -n $3 ]] && print -n $3
}

prompt_end() {
  if [[ $CURRENT_BG != 'NONE' ]]; then
    print -n "%{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
  else
    print -n "%{%k%}"
  fi
  print -n "%{%f%}"
  CURRENT_BG=NONE
}

# --- status (exit code / root / background jobs) ---
prompt_status() {
  local symbols=()
  [[ $RETVAL -ne 0 ]]             && symbols+="%{%F{red}%}$CROSS"
  [[ $UID -eq 0 ]]                && symbols+="%{%F{yellow}%}$LIGHTNING"
  [[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}$GEAR"
  [[ -n $symbols ]]               && prompt_segment $PRIMARY_FG default " ${(j: :)symbols} "
}

# --- context (user@host) ---
prompt_context() {
  local user=$(whoami)
  if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CONNECTION" ]]; then
    prompt_segment $PRIMARY_FG default " %(!.%{%F{yellow}%}.)$user@%m "
  fi
}

# --- directory ---
prompt_dir() {
  prompt_segment blue $PRIMARY_FG ' %~ '
}

# --- git update (synchronous precmd) ---
_git_update() {
  _GIT_PROMPT=""
  _GIT_COLOR=""

  command git rev-parse --is-inside-work-tree &>/dev/null || return

  local ref detached=0
  ref=$(command git symbolic-ref --short HEAD 2>/dev/null) || {
    ref=$(command git rev-parse --short HEAD 2>/dev/null) || return
    detached=1
  }

  # green = clean, yellow = dirty (matches agnoster exactly)
  local dirty
  dirty=$(command git status --porcelain --ignore-submodules 2>/dev/null)
  if [[ -n $dirty ]]; then
    _GIT_COLOR=yellow
    ref="${ref} $PLUSMINUS"
  else
    _GIT_COLOR=green
  fi

  if (( detached )); then
    _GIT_PROMPT=" $DETACHED ${ref} "
  else
    _GIT_PROMPT=" $BRANCH ${ref} "
  fi
}

# hook before prompt draw
add-zsh-hook precmd _git_update

# --- git segment ---
prompt_git() {
  [[ -z $_GIT_PROMPT ]] && return
  prompt_segment $_GIT_COLOR $PRIMARY_FG "$_GIT_PROMPT"
}

# --- prompt builder ---
build_prompt() {
  RETVAL=$?
  CURRENT_BG=NONE
  prompt_status
  prompt_context
  prompt_dir
  prompt_git
  prompt_end
}

PROMPT='%{%f%b%k%}$(build_prompt) '