Add Cross Platform support

dotnet/private/rules/binary.bzl

@@ -16,34 +16,25 @@ load("@bazel_skylib//lib:paths.bzl", "paths")
 
 # DotnetContext, DotnetLibrary
 def create_launcher(dotnet, library, shim = None):
-    launch_target = shim if shim else library.result
-    launcher = dotnet.declare_file(dotnet, path = "launcher.bat", sibling = launch_target)
-    dotnet.actions.write(
-        output = launcher,
-        content = r"""@echo off
-%~dp0{launch_target} %*
-""".format(
-    launch_target = launch_target.basename))
-
     # DllName.runtimeconfig.json
-    runtimeconfig = write_runtimeconfig(dotnet._ctx, launch_target)
+    runtimeconfig = write_runtimeconfig(dotnet._ctx, shim)
     # DllName.deps.json
     depsjson = write_depsjson(dotnet, library)
     # ManifestLoader
     loader = dotnet.actions.declare_file("ManifestLoader.dll", sibling = library.result)
     dotnet.actions.symlink(output = loader, target_file = dotnet._ctx.attr.loader[DotnetLibrary].result)
 
     runfiles = dotnet._ctx.runfiles(
-        files = [launch_target, dotnet.runner, launcher, runtimeconfig, depsjson, loader], 
+        files = [shim, dotnet.runner, runtimeconfig, depsjson, loader], 
         transitive_files = depset(
             transitive = [library.runfiles, dotnet.host]
         )
     )
 
     return DefaultInfo(
-        files = depset([launch_target, library.result, launcher, runtimeconfig, depsjson, loader]),
+        files = depset([shim, library.result, runtimeconfig, depsjson, loader]),
         runfiles = runfiles,
-        executable = launcher,
+        executable = shim,
     )
 
 # copies apphost.exe and embeds target dll path to dllname.exe