Fix lua@latest resolving to all instead of the newest Lua release

.github/workflows/e2e_test.yaml

@@ -87,6 +87,15 @@ jobs:
             echo "Lua version $LUA_VERSION installed successfully"
           fi
 
+      - name: install latest lua by vfox-lua plugin (Linux)
+        if: runner.os == 'Linux' && matrix.lua_version == '5.5.0'
+        run: |
+          vfox install lua@latest
+          eval "$(vfox activate bash)"
+          vfox use -g lua@latest
+          eval "$(vfox activate bash)"
+          lua -v | grep '^Lua [0-9]'
+
       - name: verify liblua.a is compiled with -fPIC (Linux)
         if: runner.os == 'Linux'
         env:
@@ -259,4 +268,4 @@ jobs:
           echo "=== Verify LuaRocks ==="
           $HOME/.local/bin/mise exec -- luarocks --version
           $HOME/.local/bin/mise exec -- luarocks install luacheck
-          $HOME/.local/bin/mise exec -- luarocks list | grep luacheck
+          $HOME/.local/bin/mise exec -- luarocks list | grep luacheck

lib/utils.lua

@@ -2,17 +2,27 @@ local http = require("http")
 
 local lua_utils = {}
 
+local function parse_version_line(line)
+    return string.match(line, "([^,]+),([^,]+)")
+end
+
+local function is_lua_release_version(version)
+    return string.match(version, "^%d") ~= nil
+end
+
 function lua_utils.get_lua_release_verions()
     local result = {}
     local resp, err = http.get({
         url = "https://fastly.jsdelivr.net/gh/yeshan333/vfox-lua@main/assets/versions.txt"
     })
     for line in string.gmatch(resp.body, '([^\n]+)') do
-        local version, checksum = string.match(line, "([^,]+),([^,]+)")
-        table.insert(result, {
-            version = version,
-            checksum = checksum
-        })
+        local version, checksum = parse_version_line(line)
+        if version and checksum and is_lua_release_version(version) then
+            table.insert(result, {
+                version = version,
+                checksum = checksum
+            })
+        end
     end
 
     return result
@@ -23,7 +33,7 @@ function lua_utils.get_version_info(lua_version)
         url = "https://fastly.jsdelivr.net/gh/yeshan333/vfox-lua@main/assets/versions.txt"
     })
     for line in string.gmatch(resp.body, '([^\n]+)') do
-        local version, checksum = string.match(line, "([^,]+),([^,]+)")
+        local version, checksum = parse_version_line(line)
         if lua_version == version then
             return version, checksum
         end