CLI 状态栏脚本设计: 从 stdin JSON 到一行输出

{ "statusLine": { "type": "command", "command": "bash ~/.local/bin/claude-statusline.sh" } }

_refresh() {
  ( env -u CLAUDECODE codexbar usage --provider claude --format json 2>/dev/null \
      | jq -r '.[0].usage | "\(.primary.usedPercent // 0)|\(.secondary.usedPercent // 0)"' \
      > "${CACHE}.tmp" 2>/dev/null && mv "${CACHE}.tmp" "$CACHE"
  ) &
}

GIT_BRANCH=""
for d in "$CWD" "$PROJ_DIR"; do
  if [[ -z "$GIT_BRANCH" && -n "$d" ]]; then
    GIT_BRANCH=$(git -C "$d" rev-parse --abbrev-ref HEAD 2>/dev/null || echo "")
  fi
done

#!/usr/bin/env bash
# Claude Code statusline for tmux
set -euo pipefail
# Claude Code Custom StatusLine
# Format:
#  💻 user@hostname:project_name | 🔀 branch_name
#  🤖 Model | 🧠 Context | 5h (%) | wk (%)
# Note: Claude Code renders its own token counter on the right side

input=$(cat)

# ── Model ──────────────────────────────────────────────
MODEL=$(echo "$input" | jq -r '.model.display_name // "?"')
MODEL_ID=$(echo "$input" | jq -r '.model.id // ""')

# Append version only if display_name doesn't already contain it
VER=""
if [[ "$MODEL_ID" =~ ([0-9]+)-([0-9]+)$ ]]; then
  VER_STR="${BASH_REMATCH[1]}.${BASH_REMATCH[2]}"
  [[ "$MODEL" != *"$VER_STR"* ]] && VER=" $VER_STR"
fi

# ── Context Window ─────────────────────────────────────
CTX_PCT=$(echo "$input" | jq -r '.context_window.used_percentage // 0')
TOTAL_IN=$(echo "$input" | jq -r '.context_window.total_input_tokens // 0')

fmt_tok() {
  local n=$1
  if (( n >= 1000000 )); then
    awk "BEGIN { printf \"%.1fM\", $n / 1000000 }"
  elif (( n >= 1000 )); then
    awk "BEGIN { printf \"%dK\", $n / 1000 }"
  else
    printf "%d" "$n"
  fi
}

CTX_TOK=$(fmt_tok "$TOTAL_IN")

# ── CodexBar (300s cache TTL) ───────────────────────────
CACHE="/tmp/statusline-codexbar-cache"
S_PCT=0
W_PCT=0

_refresh() {
  ( env -u CLAUDECODE codexbar usage --provider claude --format json 2>/dev/null \
      | jq -r '.[0].usage | "\(.primary.usedPercent // 0)|\(.secondary.usedPercent // 0)"' \
      > "${CACHE}.tmp" 2>/dev/null \
    && mv "${CACHE}.tmp" "$CACHE"
  ) &
}

if [[ -f "$CACHE" ]]; then
  age=$(( $(date +%s) - $(stat -c %Y "$CACHE" 2>/dev/null || echo 0) ))
  (( age > 300 )) && _refresh
  IFS='|' read -r S_PCT W_PCT < "$CACHE" 2>/dev/null || true
else
  _refresh
fi

S_PCT=${S_PCT:-0}
W_PCT=${W_PCT:-0}

# ── Colored Percent (ANSI: green→yellow→red) ──────────
cpct() {
  local p=${1:-0}
  local c=32
  (( p >= 50 )) && c=33
  (( p > 80 )) && c=31
  printf '\033[%dm%d%%\033[0m' "$c" "$p"
}

C5=$(cpct "$S_PCT")
CW=$(cpct "$W_PCT")

# ── Identity ───────────────────────────────────────────
PROJECT=$(echo "$input" | jq -r '.workspace.project_dir // .cwd // ""' | xargs basename)
WHO="${USER}@$(hostname -s)${PROJECT:+:${PROJECT}}"

# ── Git Branch & Worktree ────────────────────────────
# current_dir follows `cd`; project_dir is the session's original cwd and never
# moves. Try the live directory first, then the project root, so the branch still
# shows after cd-ing out of a repo.
CWD=$(echo "$input" | jq -r '.workspace.current_dir // .cwd // ""')
PROJ_DIR=$(echo "$input" | jq -r '.workspace.project_dir // ""')
WORKTREE_NAME=$(echo "$input" | jq -r '.workspace.git_worktree // empty')

GIT_BRANCH=""
for d in "$CWD" "$PROJ_DIR"; do
  if [[ -z "$GIT_BRANCH" && -n "$d" ]]; then
    GIT_BRANCH=$(git -C "$d" rev-parse --abbrev-ref HEAD 2>/dev/null || echo "")
  fi
done

BRANCH_PART=""
if [[ -n "$GIT_BRANCH" ]]; then
  BRANCH_PART=" | 🔀 ${GIT_BRANCH}"
  if [[ -n "$WORKTREE_NAME" ]]; then
    BRANCH_PART+=" 🌲"
  fi
fi

# ── Current Directory (with ~ abbreviation) ───────────
CWD_PART=""
if [[ -n "$CWD" ]]; then
  [[ "$CWD" == "$HOME"* ]] && CWD="~${CWD#"$HOME"}"
  CWD_PART=" | 📁 ${CWD}"
fi

# ── Output ─────────────────────────────────────────────
printf '%b\n' "🤖 ${MODEL} | 🧠 ${CTX_TOK} (${CTX_PCT}%)${BRANCH_PART}${CWD_PART}"