#!/bin/bash
# B1 備援三件套之二：每日 git bundle 備份（de-Gitea brief B1）
# 對本機所有 repo：git fsck 驗完整 → git bundle 打包全部 refs → 存 ~/Backups/git-bundles/
# R2 上傳段：等 youlin 帳號 R2 開通後補（TODO 標記處）。保留最近 7 份。
set -uo pipefail

ROOT="/Users/youlinhsieh/Documents/tech_projects/InkStoneCo"
DEST="$HOME/Backups/git-bundles"
STAMP=$(date +%Y%m%d)
KEEP=7
mkdir -p "$DEST"

REPOS=(. matrix/arcrun matrix/arcrun-components matrix/arcrun-gui matrix/arcrun-mcp
  matrix/inkstone-admin matrix/kbdb-graph-plugin matrix/kbdb-ingest-plugin
  products/arcrun-rag products/dev-finally-click products/finally-click products/u6u-studio
  polaris/AI-Meka polaris/OpenHarness polaris/mira arcrun_harness)

fail=0
for r in "${REPOS[@]}"; do
  dir="$ROOT/$r"
  [ -d "$dir/.git" ] || { echo "SKIP $r (no .git)"; continue; }
  name=$(basename "$(cd "$dir" && pwd)")
  [ "$r" = "." ] && name="InkStoneCo"

  if ! git -C "$dir" fsck --no-progress --no-dangling >/dev/null 2>&1; then
    echo "❌ FSCK FAIL $r"; fail=1; continue
  fi
  out="$DEST/${name}-${STAMP}.bundle"
  if git -C "$dir" bundle create "$out" --all >/dev/null 2>&1; then
    echo "✅ $name  $(du -h "$out" | cut -f1)"
  else
    echo "❌ BUNDLE FAIL $r"; fail=1
  fi
  # 保留最近 KEEP 份
  ls -t "$DEST/${name}-"*.bundle 2>/dev/null | tail -n +$((KEEP+1)) | xargs rm -f 2>/dev/null
done

# TODO(R2)：youlin 帳號 R2 開通後，在此加 rclone/wrangler 上傳 $DEST 至獨立 bucket（與 git server 不同桶）
echo "---"
echo "bundles at $DEST"
exit $fail