meson.build: Simplify if-file-exists test

kjellahl · kjellahl · commit 1bf39ce0c79f · 2023-04-03T11:58:03.000+02:00
diff --git a/meson.build b/meson.build
@@ -134,16 +134,8 @@ if maintainer_mode
     project_source_root / 'untracked' / 'docs',
     check: true,
   )
-else
-  cmd_py = '''
-import os
-import sys
-sys.exit(os.path.isfile("@0@"))
-'''.format(doc_reference)
-  file_exists = run_command(python3, '-c', cmd_py, check: false).returncode() != 0
-  if not file_exists
-    warning('Missing files in untracked/. You may have to enable maintainer-mode.')
-  endif
+elif not import('fs').is_file(doc_reference)
+  warning('Missing files in untracked/. You may have to enable maintainer-mode.')
 endif
 
 # Check if perl is required and available.
