chore: Optimize Alist version detection logic

Author: okatu-loli

alist/Makefile

@@ -7,23 +7,29 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=alist
-PKG_VERSION:=3.45.0
-PKG_WEB_VERSION:=3.45.0
+PKG_META:=$(shell $(SHELL) $(CURDIR)/scripts/alist-meta.sh)
+
+PKG_VERSION:=$(word 1,$(PKG_META))
+PKG_WEB_VERSION:=$(word 2,$(PKG_META))
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/AlistGo/alist/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=224119ea5a3b43694e5342c460ab471d6477db1bf7ade5180d542a32363cb097
+PKG_HASH:=$(word 3,$(PKG_META))
 
 PKG_LICENSE:=GPL-3.0
 PKG_LICENSE_FILE:=LICENSE
-PKG_MAINTAINER:=sbwml <admin@cooluc.com>
+PKG_MAINTAINER:=sbwml <admin@cooluc.com>, okatu-loli
+
+ifneq ($(words $(PKG_META)),4)
+$(error Failed to fetch alist metadata from GitHub)
+endif
 
 define Download/$(PKG_NAME)-web
   FILE:=$(PKG_NAME)-web-$(PKG_WEB_VERSION).tar.gz
   URL_FILE:=dist.tar.gz
   URL:=https://github.com/AlistGo/alist-web/releases/download/$(PKG_WEB_VERSION)/
-  HASH:=408b1822893ba6dd6bbeb4055d6c8b96c178d10f4fbb8e5696cf14dcc88dd2fb
+  HASH:=$(word 4,$(PKG_META))
 endef
 
 PKG_BUILD_DEPENDS:=golang/host

alist/scripts/alist-meta.sh

@@ -0,0 +1,67 @@
+#!/bin/sh
+
+set -eu
+
+fetch() {
+	url="$1"
+	if command -v curl >/dev/null 2>&1; then
+		curl -fL --connect-timeout 10 --max-time 60 -sS "$url"
+	elif command -v wget >/dev/null 2>&1; then
+		wget -qO- --timeout=30 --tries=2 "$url"
+	else
+		echo "alist-meta: curl/wget not found" >&2
+		return 1
+	fi
+}
+
+download() {
+	url="$1"
+	dest="$2"
+	if command -v curl >/dev/null 2>&1; then
+		curl -fL --connect-timeout 10 --max-time 300 -sS "$url" -o "$dest"
+	elif command -v wget >/dev/null 2>&1; then
+		wget -q -O "$dest" --timeout=60 --tries=2 "$url"
+	else
+		echo "alist-meta: curl/wget not found" >&2
+		return 1
+	fi
+}
+
+sha256_file() {
+	file="$1"
+	if command -v sha256sum >/dev/null 2>&1; then
+		sha256sum "$file" | awk '{print $1}'
+	elif command -v shasum >/dev/null 2>&1; then
+		shasum -a 256 "$file" | awk '{print $1}'
+	else
+		echo "alist-meta: sha256sum/shasum not found" >&2
+		return 1
+	fi
+}
+
+release_json="$(fetch "https://api.github.com/repos/AlistGo/alist/releases/latest")"
+tag_name="$(printf '%s\n' "$release_json" | sed -n 's/.*"tag_name"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -n1)"
+tag_name="${tag_name#v}"
+
+if [ -z "$tag_name" ]; then
+	echo "alist-meta: failed to parse tag_name from GitHub API" >&2
+	exit 1
+fi
+
+version="$tag_name"
+pkg_url="https://codeload.github.com/AlistGo/alist/tar.gz/v${version}?"
+web_url="https://github.com/AlistGo/alist-web/releases/download/${version}/dist.tar.gz"
+
+tmpdir="$(mktemp -d)"
+trap 'rm -rf "$tmpdir"' EXIT HUP INT TERM
+
+pkg_file="$tmpdir/alist-${version}.tar.gz"
+web_file="$tmpdir/alist-web-${version}.tar.gz"
+
+download "$pkg_url" "$pkg_file"
+download "$web_url" "$web_file"
+
+pkg_hash="$(sha256_file "$pkg_file")"
+web_hash="$(sha256_file "$web_file")"
+
+printf '%s %s %s %s\n' "$version" "$version" "$pkg_hash" "$web_hash"