add yasm for win (#488)

* add yasm for win

* format

packages/y/yasm/xmake.lua

@@ -4,10 +4,27 @@ package("yasm")
     set_homepage("https://yasm.tortall.net/")
     set_description("Modular BSD reimplementation of NASM.")
 
-    add_urls("https://www.tortall.net/projects/yasm/releases/yasm-$(version).tar.gz",
-             "https://ftp.openbsd.org/pub/OpenBSD/distfiles/yasm-$(version).tar.gz")
-    add_versions("1.3.0", "3dce6601b495f5b3d45b59f7d2492a340ee7e84b5beca17e48f862502bd5603f")
+    if is_host("windows") then
+        if os.arch() == "x64" then
+            add_urls("https://github.com/yasm/yasm/releases/download/$(version)/vsyasm-$(version)-win64.zip",
+                     "http://www.tortall.net/projects/yasm/releases/vsyasm-$(version)-win64.zip")
+            add_versions("1.3.0", "6D991CA77E3827AADE0091C87C89CB4C9FA6AD097AFCEA95EA736482BAE707E2")
+        else
+            add_urls("https://github.com/yasm/yasm/releases/download/$(version)/vsyasm-$(version)-win32.zip",
+                     "http://www.tortall.net/projects/yasm/releases/vsyasm-$(version)-win32.zip")
+            add_versions("1.3.0", "FF4585E2A03E7015B0B1D406D4231267C2D3733968FFC6FC633E586C85C16DA5")
+        end
+    else
+        add_urls("https://www.tortall.net/projects/yasm/releases/yasm-$(version).tar.gz",
+                 "https://ftp.openbsd.org/pub/OpenBSD/distfiles/yasm-$(version).tar.gz")
+        add_versions("1.3.0", "3dce6601b495f5b3d45b59f7d2492a340ee7e84b5beca17e48f862502bd5603f")
+    end
 
+    on_install("@windows", "@mingw", "@msys", function (package)
+        os.mv("vsyasm.exe", "yasm.exe")
+        os.cp("*", package:installdir("bin"))
+    end)
+    
     on_install("@linux", "@macosx", function (package)
         local configs = {"--disable-python"}
         if package:debug() then
@@ -19,3 +36,4 @@ package("yasm")
     on_test(function (package)
         os.vrun("yasm --version")
     end)
+