Claude Code status line – git info, context bar, vim mode, API usage with pace tracking

statusline.sh

#!/bin/bash
input=$(cat)

# Color constants (using $'...' so escape sequences are real)
RST=$'\033[0m'
DIM=$'\033[2m'
RED=$'\033[31m'
GRN=$'\033[32m'
YLW=$'\033[33m'
MAG=$'\033[35m'
CYN=$'\033[36m'

# Parse JSON — one value per line to handle empty fields correctly
{
  read -r cwd
  read -r used_pct
  read -r vim_mode
  read -r five_pct
  read -r five_reset
  read -r seven_pct
  read -r seven_reset
} < <(jq -r '
  (.workspace.current_dir // .cwd),
  (.context_window.used_percentage // ""),
  (.vim.mode // ""),
  (.rate_limits.five_hour.used_percentage // ""),
  (.rate_limits.five_hour.resets_at // ""),
  (.rate_limits.seven_day.used_percentage // ""),
  (.rate_limits.seven_day.resets_at // "")
' <<< "$input")

dir=$(basename "$cwd")

# Helper: build a progress bar
make_bar() {
  local val=$1 width=$2 fill_ch=$3 empty_ch=$4
  local filled=$(( val * width / 100 ))
  [ $filled -gt $width ] && filled=$width
  [ $filled -lt 0 ] && filled=0
  local empty=$(( width - filled ))
  local full="" blank=""
  printf -v full '%*s' "$filled" ''; full="${full// /$fill_ch}"
  printf -v blank '%*s' "$empty" ''; blank="${blank// /$empty_ch}"
  printf '%s' "${full}${blank}"
}

# Helper: threshold color
threshold_color() {
  local val=$1
  if [ "$val" -ge 80 ]; then printf '%s' "$RED"
  elif [ "$val" -ge 50 ]; then printf '%s' "$YLW"
  else printf '%s' "$GRN"; fi
}

# Git branch + clean/dirty
git_info=""
if git -C "$cwd" rev-parse --git-dir > /dev/null 2>&1; then
  status=$(git -C "$cwd" --no-optional-locks status --branch --porcelain 2>/dev/null)
  branch=$(head -1 <<< "$status" | sed 's/^## //;s/\.\.\..*//')
  if [ -n "$branch" ]; then
    if [ ${#branch} -gt 30 ]; then
      branch="${branch:0:27}..."
    fi
    if [ "$(wc -l <<< "$status")" -gt 1 ]; then si="●"; else si="✓"; fi
    git_info=" ${YLW}git:(${RST}${branch} ${si}${YLW})${RST}"
  fi
fi

# Context window bar
ctx=""
if [ -n "$used_pct" ]; then
  pct=$(printf '%.0f' "$used_pct")
  bar=$(make_bar "$pct" 20 "█" "░")
  ctx_color=$(threshold_color "$pct")
  suffix=""; [ "$pct" -ge 80 ] && suffix="!"
  ctx=" ${ctx_color}${bar} ${pct}%${suffix}${RST}"
fi

# Vim mode
vim_info=""
if [ -n "$vim_mode" ]; then
  if [ "$vim_mode" = "NORMAL" ]; then
    vim_info=" ${MAG}[N]${RST}"
  else
    vim_info=" ${MAG}[I]${RST}"
  fi
fi

# Rate limits
usage_info=""
if [ -n "$five_pct" ] && [ -n "$seven_pct" ]; then
  five_int=$(printf '%.0f' "$five_pct")
  seven_int=$(printf '%.0f' "$seven_pct")
  now_epoch=$(date +%s)

  # 5h reset countdown
  five_reset_label=""
  if [[ "$five_reset" =~ ^[0-9]+$ ]] && [ "$five_reset" -gt 0 ]; then
    if [ "$five_reset" -gt "$now_epoch" ]; then
      secs_left=$(( five_reset - now_epoch ))
      hrs=$(( secs_left / 3600 ))
      mins=$(( (secs_left % 3600) / 60 ))
      if [ "$hrs" -gt 0 ]; then
        five_reset_label="${hrs}h${mins}m"
      else
        five_reset_label="${mins}m"
      fi
    fi
  fi

  # Weekly pace
  pace_icon=""
  diff=0
  if [[ "$seven_reset" =~ ^[0-9]+$ ]] && [ "$seven_reset" -gt 0 ]; then
    elapsed=$(( now_epoch - (seven_reset - 604800) ))
    time_pct=$(( elapsed * 100 / 604800 ))
    [ $time_pct -lt 0 ]   && time_pct=0
    [ $time_pct -gt 100 ] && time_pct=100
    diff=$(( seven_int - time_pct ))
    if [ $diff -gt 10 ]; then pace_icon="▲"
    elif [ $diff -gt 5 ]; then pace_icon="△"
    elif [ $diff -lt -10 ]; then pace_icon="▽"
    elif [ $diff -lt -5 ]; then pace_icon="▿"
    fi
  fi

  # 5h bar + color
  five_bar=$(make_bar "$five_int" 5 "▮" "▯")
  five_color=$(threshold_color "$five_int")

  # Weekly bar + color
  wbar=$(make_bar "$seven_int" 10 "▮" "▯")
  wcolor=$(threshold_color "$seven_int")

  # Pace color
  if [ $diff -gt 5 ]; then pcolor="$RED"
  elif [ $diff -lt -5 ]; then pcolor="$CYN"
  else pcolor=""; fi

  # Build rate limit display
  five_section="${five_color}${five_bar} ${five_int}%${RST}"
  [ -n "$five_reset_label" ] && five_section="${five_section} ${DIM}${five_reset_label}${RST}"

  week_section="${wcolor}${wbar} ${seven_int}%${RST}"
  [ -n "$pace_icon" ] && week_section="${week_section}${pcolor}${pace_icon}${RST}"

  usage_info=" ${DIM}│${RST} 5h ${five_section} ${DIM}│${RST} 7d ${week_section}"
fi

printf '%s' "${CYN}${dir}${RST}${git_info}${ctx}${vim_info}${usage_info}"

📁 folder_name git:(main ●) [█████████░░░░░░░░░░░ 47%] | 5h:41% (1h29m) wk:▪▪········ 26% ❄ -61%
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  ⏵⏵ accept edits on (shift+tab to cycle) · PR #3