docs(us2): Soft Serve → Gitea 迁移事实与参考镜像 (Plane VPS-94)

- hosts/us2: Gitea 1.27.3-rootless 部署实况 (repo.windy.me SSH:2222/Web), 16 仓迁移核对, 备份/回滚; soft-serve 停用保留作回滚
- compose/gitea: 参考镜像 (rootless compose + 备份 sidecar + 一次性迁移脚本留档)
- AGENTS/inventory/compose README: 服务表与索引同步

compose/gitea/scripts/backup.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+set -eu
+umask 077
+D() { date "+%Y-%m-%d %H:%M:%S"; }
+TS=$(date +%Y%m%d_%H%M%S)
+OUT="/backup/gitea_${TS}"
+mkdir -p "$OUT"
+echo "[$(D)] Starting gitea backup -> $OUT"
+# rootless 布局: app.ini=/etc/gitea(宿主 ./config), db+repos=/var/lib/gitea/data(宿主 ./data/data)
+# app.ini 含 SECRET_KEY/INTERNAL_TOKEN — 恢复 2FA/session/mirror 凭据必需
+tar czf "$OUT/app.ini.tar.gz" -C /config app.ini
+sqlite3 /data/data/gitea.db ".backup '$OUT/gitea.db'"
+rsync -a /data/data/git/repositories/ "$OUT/repos/"
+tar czf "$OUT/repos.tar.gz" -C "$OUT" repos
+rm -rf "$OUT/repos"
+chmod 600 "$OUT"/*
+if [ -n "${BACKUP_UID:-}" ] && [ -n "${BACKUP_GID:-}" ]; then
+  chown -R "$BACKUP_UID:$BACKUP_GID" "$OUT" /backup/backup.log
+fi
+echo "[$(D)] Backup OK: $(du -sh "$OUT" | cut -f1)"

compose/gitea/scripts/crontab.txt

@@ -0,0 +1,4 @@
+# Run gitea backup daily at 02:00
+0 2 * * * /bin/sh /scripts/backup.sh >> /backup/backup.log 2>&1
+# Prune backups older than 14 days daily at 03:00
+0 3 * * * /bin/sh /scripts/prune.sh >> /backup/backup.log 2>&1

compose/gitea/scripts/mirror-migrate.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+# 一次性迁移辅助 (Plane VPS-94 Phase 2): 在 gitea 容器内执行。
+# 已于 2026-09-18 执行完成 (16 仓), 留档备查; 复用时按 VPS-94 流程重生成一次性 token。
+# 用法:
+#   GITEA_MIGRATE_USER=<user> GITEA_MIGRATE_TOKEN=<token> \
+#   docker exec -e GITEA_MIGRATE_USER -e GITEA_MIGRATE_TOKEN gitea \
+#     /scripts/mirror-migrate.sh [public_repo ...]
+# 每仓: API 建仓 (默认 private, 参数中列出的为 public) -> push --mirror。
+# default_branch 按源仓 symbolic-ref HEAD 设置, 避免非 main 源仓在 Gitea 显示为空。
+# 结束后按 VPS-94 Phase 3 逐仓核对 git ls-remote ref 全集。
+set -eu
+MUSER="${GITEA_MIGRATE_USER:?need GITEA_MIGRATE_USER}"
+TOKEN="${GITEA_MIGRATE_TOKEN:?need GITEA_MIGRATE_TOKEN}"
+SRC="/migration-src"
+API="http://localhost:3000/api/v1"
+PUBLIC_REPOS=" $* "
+
+migrate_one() {
+  dir="$1"
+  git -C "$dir" rev-parse --git-dir >/dev/null 2>&1 || { echo "[SKIP] $dir (not a git repo)"; return 0; }
+  name=$(basename "$dir"); name=${name%.git}
+  def_branch=$(git -C "$dir" symbolic-ref --short HEAD)
+  case "$PUBLIC_REPOS" in *" $name "*) private=false ;; *) private=true ;; esac
+  echo "[MIGRATE] $name (default=$def_branch private=$private)"
+  code=$(curl -s -o /dev/null -w '%{http_code}' -X POST "$API/user/repos" \
+    -H "Authorization: token $TOKEN" -H "Content-Type: application/json" \
+    -d "{\"name\":\"$name\",\"private\":$private,\"default_branch\":\"$def_branch\",\"auto_init\":false}")
+  case "$code" in
+    201) : ;;
+    409) echo "  [WARN] $name 已存在, 直接补推" ;;
+    *)   echo "  [FAIL] create HTTP $code"; return 1 ;;
+  esac
+  git -C "$dir" push --mirror "http://$MUSER:$TOKEN@localhost:3000/$MUSER/$name.git"
+  echo "  [OK] $name pushed"
+}
+
+for dir in "$SRC"/*.git "$SRC"/cdia; do
+  [ -d "$dir" ] || continue
+  migrate_one "$dir"
+done
+echo "[DONE] 全部处理完毕; 迁移后记得撤销一次性 token"

compose/gitea/scripts/prune.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -eu
+D() { date "+%Y-%m-%d %H:%M:%S"; }
+ls -dt /backup/gitea_* 2>/dev/null | tail -n +15 | xargs -r rm -rf
+echo "[$(D)] Pruned. Kept $(ls -d /backup/gitea_* 2>/dev/null | wc -l) backups (max 14)"