Claude Statusline

statusline.sh

#!/usr/bin/env bash
# Claude Code statusline — Gruvbox Material Dark, minimal, single-line
# Segment order: Model · Context tokens · RateLimit? · Worktree? · Agent? · Caveman?

input=$(cat)

# ── Gruvbox Material Dark palette (256-color approximations via truecolor) ──
# Using \033[38;2;R;G;Bm for fg, \033[48;2;R;G;Bm for bg
fg()  { printf '\033[38;2;%s;%s;%sm' "$1" "$2" "$3"; }
# bg()  { printf '\033[48;2;%s;%s;%sm' "$1" "$2" "$3"; }  # not needed for borderless style
reset='\033[0m'
bold='\033[1m'

# Colors (R G B)
c_fg="212 190 152"     # #d4be98  fg
c_red="234 105 98"     # #ea6962
c_green="169 182 101"  # #a9b665
c_yellow="216 166 87"  # #d8a657
c_blue="125 174 163"   # #7daea3
c_purple="211 134 155" # #d3869b
c_aqua="137 180 130"   # #89b482
c_orange="231 138 78"  # #e78a4e
c_gray="146 131 116"   # #928374
c_dim="50 48 47"      # #32302f — near-background, for separators

SEP="│"  # U+2502 — box-drawing vertical bar

# Helper: emit a colored segment followed by a gray soft separator
# Usage: seg COLOR_ARGS text [include_sep=1]
emit() {
  local color="$1" text="$2" sep="${3:-1}"
  printf '%b%s%b' "$(fg $color)" "$text" "$reset"
  if [ "$sep" = "1" ]; then
    printf ' %b%s%b ' "$(fg $c_dim)" "$SEP" "$reset"
  fi
}

# ── 1. Model ──────────────────────────────────────────────────────────────────
model=$(printf '%s' "$input" | jq -r '.model.display_name // empty')
# Shorten common model names
case "$model" in
  "Claude Sonnet 4.6"|"claude-sonnet-4-6") model="Sonnet 4.6" ;;
  "Claude Opus 4.8"|"claude-opus-4-8")     model="Opus 4.8" ;;
  "Claude Haiku"*)                         model="${model/Claude /}" ;;
  "Claude "*)                              model="${model/Claude /}" ;;
esac

# ── 2. Context window bar + token count ──────────────────────────────────────
ctx_used=$(printf '%s' "$input" | jq -r '.context_window.used_percentage // empty')
ctx_tokens=$(printf '%s' "$input" | jq -r '.context_window.total_input_tokens // empty')

ctx_part=""
if [ -n "$ctx_used" ]; then
  ctx_int=$(printf '%.0f' "$ctx_used")

  # Color based on usage
  if [ "$ctx_int" -ge 90 ]; then
    ctx_color="$c_red"
  elif [ "$ctx_int" -ge 70 ]; then
    ctx_color="$c_yellow"
  else
    ctx_color="$c_green"
  fi

  # Circle progress bar: 10 chars wide (each = 10%)
  bar=""
  filled=$(( ctx_int / 10 ))
  empty=$(( 10 - filled ))
  for i in $(seq 1 $filled); do bar="${bar}●"; done
  for i in $(seq 1 $empty);  do bar="${bar}○"; done

  # Format token count: show as e.g. "42k" or raw if < 1000
  tok_label=""
  if [ -n "$ctx_tokens" ]; then
    if [ "$ctx_tokens" -ge 1000 ]; then
      tok_label="$(( ctx_tokens / 1000 ))k"
    else
      tok_label="${ctx_tokens}"
    fi
  fi

  ctx_part="${bar} ${tok_label}"
fi

# ── 3. Rate limit (5h only, when present) ────────────────────────────────────
rl_part=""
rl_pct=$(printf '%s' "$input" | jq -r '.rate_limits.five_hour.used_percentage // empty')
rl_reset=$(printf '%s' "$input" | jq -r '.rate_limits.five_hour.resets_at // empty')
if [ -n "$rl_pct" ]; then
  rl_int=$(printf '%.0f' "$rl_pct")

  rl_countdown=""
  if [ -n "$rl_reset" ]; then
    now=$(date +%s)
    rl_secs=$(( rl_reset - now ))
    if [ "$rl_secs" -gt 0 ]; then
      rl_h=$(( rl_secs / 3600 ))
      rl_m=$(( (rl_secs % 3600) / 60 ))
      if [ "$rl_h" -gt 0 ]; then
        rl_countdown=" ${rl_h}h ${rl_m}m"
      else
        rl_countdown=" ${rl_m}m"
      fi
    fi
  fi

  rl_bar=""
  rl_filled=$(( rl_int / 10 ))
  rl_empty=$(( 10 - rl_filled ))
  for i in $(seq 1 $rl_filled); do rl_bar="${rl_bar}●"; done
  for i in $(seq 1 $rl_empty);  do rl_bar="${rl_bar}○"; done
  rl_part="${rl_bar}${rl_countdown}"
fi


# ── 7. Worktree (only when in a --worktree session) ───────────────────────────
wt_name=$(printf '%s' "$input" | jq -r '.worktree.name // empty')

# ── 8. Agent (only when present) ──────────────────────────────────────────────
agent_name=$(printf '%s' "$input" | jq -r '.agent.name // empty')

# ── 9. Caveman badge ──────────────────────────────────────────────────────────
caveman_part=""
caveman_flag="${CLAUDE_CONFIG_DIR:-$HOME/.claude}/.caveman-active"
if [ -f "$caveman_flag" ] && [ ! -L "$caveman_flag" ]; then
  cmode=$(head -c 64 "$caveman_flag" 2>/dev/null | tr -d '\n\r' | tr '[:upper:]' '[:lower:]')
  cmode=$(printf '%s' "$cmode" | tr -cd 'a-z0-9-')
  case "$cmode" in
    off|lite|full|ultra|wenyan-lite|wenyan|wenyan-full|wenyan-ultra|commit|review|compress)
      if [ -z "$cmode" ] || [ "$cmode" = "full" ]; then
        caveman_part="CAVEMAN"
      else
        caveman_part="CAVEMAN:$(printf '%s' "$cmode" | tr '[:lower:]' '[:upper:]')"
      fi
      ;;
  esac
fi

# ── Assemble ──────────────────────────────────────────────────────────────────
out=""

append_seg() {
  local text="$1" color="$2"
  if [ -n "$text" ]; then
    if [ -n "$out" ]; then
      out="${out} $(printf '%b%s%b' "$(fg $c_dim)" "$SEP" "$reset") "
    fi
    out="${out}$(printf '%b%s%b' "$(fg $color)" "$text" "$reset")"
  fi
}

# Model — blue
[ -n "$model" ]      && append_seg "$model"     "$c_blue"

# Context — color-coded (already computed ctx_color)
if [ -n "$ctx_part" ]; then
  if [ -n "$out" ]; then
    out="${out} $(printf '%b%s%b' "$(fg $c_dim)" "$SEP" "$reset") "
  fi
  out="${out}$(printf '%b%s%b' "$(fg $ctx_color)" "$ctx_part" "$reset")"
fi

# Rate limit — red/yellow based on pct
if [ -n "$rl_part" ]; then
  if [ "$rl_int" -ge 80 ]; then
    rl_color="$c_red"
  else
    rl_color="$c_yellow"
  fi
  append_seg "$rl_part" "$rl_color"
fi

# Worktree — purple (only when present)
[ -n "$wt_name" ]    && append_seg "$wt_name"   "$c_purple"

# Agent — green (only when present)
[ -n "$agent_name" ] && append_seg "$agent_name" "$c_green"

# Caveman badge — bold orange (only when active)
if [ -n "$caveman_part" ]; then
  if [ -n "$out" ]; then
    out="${out} $(printf '%b%s%b' "$(fg $c_dim)" "$SEP" "$reset") "
  fi
  out="${out}$(printf '%b%b%s%b' "$bold" "$(fg $c_orange)" "$caveman_part" "$reset")"
fi

printf '%s' "$out"