build seaweedfs from vendored source

packaging/alpine/local/seaweedfs/scripts/update-generated-sources.sh

@@ -13,23 +13,13 @@ cleanup() {
 }
 trap cleanup EXIT
 
-case "$(uname -m)" in
-  x86_64)
-    archive="linux_amd64.tar.gz"
-    ;;
-  aarch64|arm64)
-    archive="linux_arm64.tar.gz"
-    ;;
-  *)
-    printf 'unsupported host architecture for SeaweedFS generated sources: %s\n' "$(uname -m)" >&2
-    exit 2
-    ;;
-esac
-
 curl -fsSL \
-  -o "${tmpdir}/${archive}" \
-  "https://github.com/seaweedfs/seaweedfs/releases/download/${pkgver}/${archive}"
-tar -xzf "${tmpdir}/${archive}" -C "${tmpdir}" weed
+  -o "${tmpdir}/seaweedfs-${pkgver}-src.tar.gz" \
+  "https://github.com/seaweedfs/seaweedfs/archive/refs/tags/${pkgver}.tar.gz"
+tar -xzf "${tmpdir}/seaweedfs-${pkgver}-src.tar.gz" -C "${tmpdir}"
+source_dir="${tmpdir}/seaweedfs-${pkgver}"
+tar -xzf "${package_dir}/seaweedfs-${pkgver}-go-vendor.tar.gz" -C "${source_dir}"
+go build -mod=vendor -buildvcs=false -trimpath -o "${tmpdir}/weed" "${source_dir}/weed"
 
 for config in "${configs[@]}"; do
   "${tmpdir}/weed" scaffold -config "${config}" 2>/dev/null \