Fix spaces in scripts shebang

tests/masonry/builders/test_editable_builder.py

@@ -251,6 +251,41 @@ def test_builder_installs_proper_files_for_standard_packages(
     assert fox_script == tmp_venv._bin_dir.joinpath("fox").read_text(encoding="utf-8")
 
 
+def test_builder_generates_scripts_with_escaped_shebang_when_spaces_in_path(
+    simple_poetry: Poetry,
+    tmp_path: Path,
+    fixture_dir: FixtureDirGetter,
+) -> None:
+    simple_poetry = Factory().create_poetry(fixture_dir("simple_project"))
+    env_manager = EnvManager(simple_poetry)
+    venv_path = tmp_path / "path with space" / "venv"
+    env_manager.build_venv(venv_path)
+    tmp_venv = VirtualEnv(venv_path)
+
+    builder = EditableBuilder(simple_poetry, tmp_venv, NullIO())
+
+    builder.build()
+
+    assert tmp_venv._bin_dir.joinpath("baz").exists()
+
+    expected_shebang = f"""/bin/sh
+'''exec' '{tmp_path}/path with space/venv/bin/python' "$0" "$@"
+' '''"""
+
+    baz_script = f"""\
+#!{expected_shebang}
+# -*- coding: utf-8 -*-
+import re
+import sys
+from bar import baz
+if __name__ == "__main__":
+    sys.argv[0] = re.sub(r"(-script\\.pyw|\\.exe)?$", "", sys.argv[0])
+    sys.exit(baz.boom.bim())
+"""
+
+    assert baz_script == tmp_venv._bin_dir.joinpath("baz").read_text(encoding="utf-8")
+
+
 def test_builder_falls_back_on_setup_and_pip_for_packages_with_build_scripts(
     mocker: MockerFixture, extended_poetry: Poetry, tmp_path: Path
 ) -> None: