Permit path separators in subdir names but with a warning. Closes #2794.

mesonbuild · Feb 13, 2018 · d26513d · d26513d
1 parent d0f6203
commit d26513d
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
@@ -1735,8 +1735,12 @@ def func_subproject(self, nodes, args, kwargs):
         return self.do_subproject(dirname, kwargs)
 
     def do_subproject(self, dirname, kwargs):
-        if '/' in dirname or '\\' in dirname:
-            raise InterpreterException('Subproject name must not contain a path separator.')
+        if '..' in dirname:
+            raise InterpreterException('Subproject name must not contain a ".." path segment.')
+        if os.path.isabs(dirname):
+            raise InterpreterException('Subproject name must not be an absolute path.')
+        if '\\' in dirname or '/' in dirname:
+            mlog.warning('Subproject name has a path separator. This may cause unexpected behaviour.')
         if dirname in self.subproject_stack:
             fullstack = self.subproject_stack + [dirname]
             incpath = ' => '.join(fullstack)