feat: 导入 MemRelay 初始源码

2026-09-23 21:40:46 +08:00
commit 0ade3bb318
167 changed files with 53511 additions and 0 deletions
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+set -eu
+
+if [ "$#" -lt 1 ]; then
+  echo "Usage: $0 <archive.tar.gz> [--force]" >&2
+  exit 2
+fi
+
+archive="$1"
+force="${2:-}"
+compose_file="${COMPOSE_FILE:-compose.yaml}"
+data_path="${MEMRELAY_DATA_PATH:-./data}"
+archive="$(cd "$(dirname "$archive")" && pwd -P)/$(basename "$archive")"
+
+if [ -f "$archive.sha256" ]; then
+  (cd "$(dirname "$archive")" && sha256sum -c "$(basename "$archive").sha256")
+fi
+
+mkdir -p "$data_path"
+data_path="$(cd "$data_path" && pwd -P)"
+if [ "$data_path" = "/" ]; then
+  echo "Refusing to restore into the filesystem root." >&2
+  exit 1
+fi
+if [ -n "$(find "$data_path" -mindepth 1 -maxdepth 1 -print -quit)" ] && [ "$force" != "--force" ]; then
+  echo "Target data directory is not empty. Re-run with --force after verifying the archive." >&2
+  exit 1
+fi
+
+docker compose -f "$compose_file" stop
+trap 'docker compose -f "$compose_file" up -d' EXIT INT TERM
+if [ "$force" = "--force" ]; then
+  find "$data_path" -mindepth 1 -maxdepth 1 -exec rm -rf -- {} +
+fi
+docker run --rm --user "$(id -u):$(id -g)" \
+  --mount "type=bind,source=$(dirname "$archive"),target=/backup,readonly" \
+  --mount "type=bind,source=$data_path,target=/target" \
+  alpine:3.22 tar -xzf "/backup/$(basename "$archive")" -C /target
+echo "Restore completed: $data_path"