Revert "Implement `--executable' option (#257) (#258)" (#263)

This reverts commit 375cd94.

Author: Secrus

src/installer/__main__.py

@@ -31,13 +31,6 @@ def _get_main_parser() -> argparse.ArgumentParser:
         type=str,
         help="override prefix to install packages to",
     )
-    parser.add_argument(
-        "--executable",
-        metavar="path",
-        default=sys.executable,
-        type=str,
-        help="#! executable to install scripts with (default=sys.executable)",
-    )
     parser.add_argument(
         "--compile-bytecode",
         action="append",
@@ -110,7 +103,7 @@ def _main(cli_args: Sequence[str], program: Optional[str] = None) -> None:
                 source.validate_record(validate_contents=args.validate_record == "all")
             destination = SchemeDictionaryDestination(
                 scheme_dict=_get_scheme_dict(source.distribution, prefix=args.prefix),
-                interpreter=args.executable,
+                interpreter=sys.executable,
                 script_kind=get_launcher_kind(),
                 bytecode_optimization_levels=bytecode_levels,
                 destdir=args.destdir,

tests/test_main.py

@@ -74,28 +74,6 @@ def test_main_prefix(fancy_wheel, tmp_path):
     }
 
 
-def test_main_executable(fancy_wheel, tmp_path):
-    destdir = tmp_path / "dest"
-
-    main(
-        [
-            str(fancy_wheel),
-            "-d",
-            str(destdir),
-            "--executable",
-            "/monty/python3.x",
-        ],
-        "python -m installer",
-    )
-
-    installed_scripts = destdir.rglob("bin/*")
-
-    for f in installed_scripts:
-        with f.open("rb") as fp:
-            shebang = fp.readline()
-            assert shebang == b"#!/monty/python3.x\n"
-
-
 def test_main_no_pyc(fancy_wheel, tmp_path):
     destdir = tmp_path / "dest"