Merge pull request #18 from hans-brgs/fix_windows_batfile_conflict_S1

Resolve .bat file conflict using direct command execution

magritte/magritte_graph.bzl

@@ -161,21 +161,16 @@ def _copy_action_bash(ctx, input_file, output_file):
 # Copies a file to another file. If the destination directory does not exist
 # it will be created. (Windows version)
 def _copy_action_windows(ctx, input_file, output_file):
-    bat = ctx.actions.declare_file(ctx.label.name + "_cmd.bat")
     file_to_copy = input_file.path.replace("/", "\\")
     destination_folder = output_file.dirname.replace("/", "\\")
-    ctx.actions.write(
-        output = bat,
-        content = "@mkdir \"%s\"\n@copy /Y \"%s\" \"%s\"" %
-                  (destination_folder, file_to_copy, destination_folder),
-        is_executable = True,
-    )
+    cmd_part1 = "(if not exist \"%s\" mkdir \"%s\")" % (destination_folder, destination_folder)
+    cmd_part2 = " && @copy /Y \"%s\" \"%s\"" % (file_to_copy, destination_folder)
+    cmd = cmd_part1 + cmd_part2
     ctx.actions.run(
         inputs = [input_file],
-        tools = [bat],
         outputs = [output_file],
         executable = "cmd.exe",
-        arguments = ["/C", bat.path.replace("/", "\\")],
+        arguments = ["/C", cmd],
         use_default_shell_env = True,
     )