statusline.sh

#!/bin/bash
# Read JSON data that Claude Code sends to stdin
input=$(cat)

# Extract fields using jq
MODEL=$(echo "$input" | jq -r '.model.display_name // "Unknown"')
DIR=$(echo "$input" | jq -r '.workspace.current_dir // .cwd // "."')
PCT=$(echo "$input" | jq -r '.context_window.used_percentage // 0' | cut -d. -f1)

# Get token counts from context_window
TOTAL_TOKENS=$(echo "$input" | jq -r '
  .context_window.current_usage
  | if . then
      (.input_tokens // 0) + (.output_tokens // 0)
      + (.cache_creation_input_tokens // 0) + (.cache_read_input_tokens // 0)
    else 0 end
')

# Get current git branch
BRANCH=""
if command -v git &>/dev/null; then
  BRANCH=$(git -C "$DIR" rev-parse --abbrev-ref HEAD 2>/dev/null)
fi

# Format token display
if [ "$TOTAL_TOKENS" -ge 1000000 ]; then
  TOKEN_DISPLAY="$(awk "BEGIN {printf \"%.1f\", $TOTAL_TOKENS/1000000}")M"
elif [ "$TOTAL_TOKENS" -ge 1000 ]; then
  TOKEN_DISPLAY="$(awk "BEGIN {printf \"%.1f\", $TOTAL_TOKENS/1000}")K"
else
  TOKEN_DISPLAY="$TOTAL_TOKENS"
fi

# Colors
GREEN='\033[32m'; YELLOW='\033[33m'; RED='\033[31m'; RESET='\033[0m'

# Color coding for percentage
if [ "$PCT" -ge 90 ]; then
  COLOR="$RED"
elif [ "$PCT" -ge 70 ]; then
  COLOR="$YELLOW"
else
  COLOR="$GREEN"
fi

# Build status line
BRANCH_PART=""
[ -n "$BRANCH" ] && BRANCH_PART=" | 🌿 $BRANCH"

printf "[%s] 📁 %s%s | 🪙 %s | ${COLOR}%s%%${RESET}\n" \
  "$MODEL" "${DIR##*/}" "$BRANCH_PART" "$TOKEN_DISPLAY" "$PCT"