improve to download package

3 files changed, 14 insertions, 3 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3c80f447..5b9431a2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * Improve Qt support for ubuntu/apt
 * Improve CMake project generator
 * [#931](https://github.com/xmake-io/xmake/issues/931): Support to export packages with all dependences
+* [#930](https://github.com/xmake-io/xmake/issues/930): Support to download package without version list directly 
 
 ### Bugs fixed
 
@@ -821,6 +822,7 @@
 * 改进Qt支持，对通过 ubuntu/apt 安装的Qt sdk也进行了探测支持，并且检测效率也优化了下
 * 改进 CMake 工程文件生成器
 * [#931](https://github.com/xmake-io/xmake/issues/931): 改进导出包，支持导出所有依赖包
+* [#930](https://github.com/xmake-io/xmake/issues/930): 如果私有包定义没有版本定义，支持直接尝试下载包
 
 ### Bugs修复
 
diff --git a/xmake/actions/require/impl/action/download.lua b/xmake/actions/require/impl/action/download.lua
index cb973ba3b..d3c8ad1a4 100644
--- a/xmake/actions/require/impl/action/download.lua
+++ b/xmake/actions/require/impl/action/download.lua
@@ -88,9 +88,13 @@ function _download(package, url, sourcedir, url_alias, url_excludes)
     -- get package file
     local packagefile = package:name() .. "-" .. package:version_str() .. archive.extension(url)
 
-    -- get sourcehash
+    -- get sourcehash from the given url
+    --
+    -- we need not sourcehash and skip checksum to try download it directly if no version list in package()
+    -- @see https://github.com/xmake-io/xmake/issues/930
+    --
     local sourcehash = package:sourcehash(url_alias)
-    assert(sourcehash, "cannot get source hash of %s in package(%s)", url, package:name())
+    assert(not package:get("versions") or sourcehash, "cannot get source hash of %s in package(%s)", url, package:name())
 
     -- the package file have been downloaded?
     local cached = true
@@ -149,7 +153,7 @@ function _urls(package)
     for _, url in ipairs(package:urls()) do
         if git.checkurl(url) then
             table.insert(urls[1], url)
-        elseif package:sourcehash(package:url_alias(url)) then
+        elseif not package:get("versions") or package:sourcehash(package:url_alias(url)) then
             table.insert(urls[2], url)
         end
     end
diff --git a/xmake/actions/require/impl/package.lua b/xmake/actions/require/impl/package.lua
index 50b739026..cc9d51d6f 100644
--- a/xmake/actions/require/impl/package.lua
+++ b/xmake/actions/require/impl/package.lua
@@ -243,6 +243,11 @@ function _select_package_version(package, requireinfo)
             version, source = semver.select(require_version, package:versions())
         elseif has_giturl then -- select branch?
             version, source = require_version ~= "latest" and require_version or "master", "branches"
+        elseif not package:get("versions") and semver.is_valid(require_version) then
+            -- no version list in package()? try this version directly
+            -- @see https://github.com/xmake-io/xmake/issues/930
+            version = require_version
+            source = "versions"
         else
             raise("package(%s %s): not found!", package:name(), require_version)
         end