Initial commit: MyBlog full stack blog

2026-08-22 22:28:41 +08:00
commit c61193f2af
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+#!/bin/bash
+# ============================================================
+# 安装 Javy（JS→WASM 编译工具）到服务器
+# ------------------------------------------------------------
+# 用法：bash deploy/install_javy.sh
+# 作用：从 GitHub 官方 Releases 下载 Javy（约 14MB 单文件），
+#       校验 SHA256 后安装到 /usr/local/bin/javy
+# 幂等：已安装且版本一致时直接跳过，可重复执行
+# 体积说明：下载包约 14MB，解压后约 40MB，仅占磁盘少量空间
+# ============================================================
+set -eu
+
+JAVY_VERSION="${JAVY_VERSION:-9.1.0}"
+JAVY_BIN="/usr/local/bin/javy"
+URL="https://github.com/bytecodealliance/javy/releases/download/v${JAVY_VERSION}/javy-x86_64-linux-v${JAVY_VERSION}.gz"
+SHA_URL="${URL}.sha256"
+
+# 已安装且版本匹配 -> 跳过（避免重复下载）
+if [ -x "$JAVY_BIN" ] && "$JAVY_BIN" --version 2>/dev/null | grep -q "$JAVY_VERSION"; then
+  echo "Javy ${JAVY_VERSION} 已安装，跳过下载：$($JAVY_BIN --version)"
+  exit 0
+fi
+
+echo "== 下载 Javy ${JAVY_VERSION}（约 14MB）=="
+TMP=$(mktemp -d)
+trap 'rm -rf "$TMP"' EXIT
+curl -fL -sS -o "$TMP/javy.gz" "$URL"
+curl -fL -sS -o "$TMP/javy.gz.sha256" "$SHA_URL"
+
+echo "== 校验 SHA256 =="
+EXPECT=$(awk '{print $1}' "$TMP/javy.gz.sha256")
+ACTUAL=$(sha256sum "$TMP/javy.gz" | awk '{print $1}')
+if [ "$EXPECT" != "$ACTUAL" ]; then
+  echo "校验失败：期望 $EXPECT，实际 $ACTUAL" >&2
+  exit 1
+fi
+echo "校验通过"
+
+gunzip -f "$TMP/javy.gz"
+install -m 0755 "$TMP/javy" "$JAVY_BIN"
+echo "安装完成：$("$JAVY_BIN" --version)"
+echo "路径：$JAVY_BIN"