~/.claude/statusline.sh

statusline.sh

#!/bin/bash
# Claude Code Status Line — single jq call, no loops
# Format: 🌿 <branch> | 📁 <folder> | <Model> [████░░░░] ~XX% | 📈 5h XX% | 🏷 vX.X.X

# Single jq: parse all fields + build colored bar, tab-separated
IFS=$'\t' read -r MODEL CWD PCT RATE_5H VERSION BAR RL_COLOR < <(
  jq -rj '
    def bar:
      (.context_window.used_percentage // 0 | floor) as $pct |
      ($pct * 20 / 100 | if . > 20 then 20 elif . < 0 then 0 else . end | floor) as $filled |
      (if   $pct < 20 then "\u001b[32m"
       elif $pct < 40 then "\u001b[36m"
       elif $pct < 60 then "\u001b[33m"
       elif $pct < 80 then "\u001b[31m"
       else                "\u001b[35m"
       end) as $color |
      $color + ($filled * "█") + "\u001b[90m" + ((20 - $filled) * "░") + "\u001b[0m";

    def rl_color:
      (.rate_limits.five_hour.used_percentage // 0 | floor) as $r |
      if   $r >= 80 then "\u001b[31m"
      elif $r >= 50 then "\u001b[33m"
      else               "\u001b[32m"
      end;

    [
      (.model.display_name // "?"),
      (.cwd // ""),
      (.context_window.used_percentage // 0 | floor | tostring),
      (.rate_limits.five_hour.used_percentage // 0 | floor | tostring),
      (.version // "?"),
      bar,
      rl_color
    ] | join("\t") + "\n"
  '
)

# Git branch (cached 5s, single file)
CACHE="/tmp/.claude-sl-cache"
NOW=${EPOCHSECONDS:-$(printf '%(%s)T' -1 2>/dev/null || date +%s)}
if [[ -f "$CACHE" ]]; then
  IFS=$'\t' read -r CACHED_TIME CACHED_DIR BRANCH < "$CACHE"
  if (( NOW - CACHED_TIME > 5 )) || [[ "$CACHED_DIR" != "$CWD" ]]; then
    BRANCH=$(git -C "$CWD" rev-parse --abbrev-ref HEAD 2>/dev/null || echo "?")
    printf '%s\t%s\t%s' "$NOW" "$CWD" "$BRANCH" > "$CACHE"
  fi
else
  BRANCH=$(git -C "$CWD" rev-parse --abbrev-ref HEAD 2>/dev/null || echo "?")
  printf '%s\t%s\t%s' "$NOW" "$CWD" "$BRANCH" > "$CACHE"
fi

printf '🌿 %s | 📁 %s | %s [%b] ~%s%% | 📈 %b5h %s%%\033[0m | 🏷 v%s\n' \
  "$BRANCH" "${CWD##*/}" "$MODEL" "$BAR" "$PCT" "$RL_COLOR" "$RATE_5H" "$VERSION"