improve cosmocc for windows

Author: waruqi

tests/projects/c/cosmocc/console/xmake.lua

@@ -2,6 +2,12 @@ add_rules("mode.debug", "mode.release")
 
 add_requires("cosmocc")
 
+-- TODO, we should add envs to toolchains/cosmocc
+if is_subhost("windoows") then
+    add_requires("msys2")
+    add_packages("msys2")
+end
+
 target("test")
     set_kind("binary")
     add_files("src/*.c")

xmake/core/sandbox/modules/import/lib/detect/find_program.lua

@@ -74,9 +74,10 @@ end
 
 -- check program
 function sandbox_lib_detect_find_program._check(program, opt)
+    opt = opt or {}
     local findname = program
     if os.subhost() == "windows" then
-        if not program:endswith(".exe") and not program:endswith(".cmd") and not program:endswith(".bat") then
+        if not opt.shell and not program:endswith(".exe") and not program:endswith(".cmd") and not program:endswith(".bat") then
             findname = program .. ".exe"
         end
     elseif os.subhost() == "msys" and os.isfile(program) and os.filesize(program) < 256 then