blob: ef10ef1b45f671ec908dbef1af5f675c00be2040 [file] [log] [blame]
Andrew Geissler9aee5002022-03-30 16:27:02 +00001Let us override the hashbang directly (possibly upstreamable), and don't
2play games with hashbangs: for now assume that even hashbangs with spaces
3are simple (assume the spaces are only used to separate arguments) and
4we don't have long hashbangs.
5
6Upstream-Status: Inappropriate
7Signed-off-by: Ross Burton <ross.burton@arm.com>
8
9diff --git a/src/installer/__main__.py b/src/installer/__main__.py
10index 3357ec5..d2fd8d2 100644
11--- a/src/installer/__main__.py
12+++ b/src/installer/__main__.py
13@@ -23,6 +23,13 @@ def _get_main_parser() -> argparse.ArgumentParser:
14 type=str,
15 help="destination directory (prefix to prepend to each file)",
16 )
17+ parser.add_argument(
18+ "--interpreter",
19+ "-i",
20+ type=str,
21+ default=sys.executable,
22+ help=f"interpreter (defaults to {sys.executable})",
23+ )
24 parser.add_argument(
25 "--compile-bytecode",
26 action="append",
27@@ -73,7 +80,7 @@ def _main(cli_args: Sequence[str], program: Optional[str] = None) -> None:
28 with WheelFile.open(args.wheel) as source:
29 destination = SchemeDictionaryDestination(
30 scheme_dict=_get_scheme_dict(source.distribution),
31- interpreter=sys.executable,
32+ interpreter=args.interpreter,
33 script_kind=get_launcher_kind(),
34 bytecode_optimization_levels=bytecode_levels,
35 destdir=args.destdir,
36diff --git a/src/installer/scripts.py b/src/installer/scripts.py
37index 7e3c8fc..ba6ed5a 100644
38--- a/src/installer/scripts.py
39+++ b/src/installer/scripts.py
40@@ -59,20 +59,7 @@ def _build_shebang(executable: str, forlauncher: bool) -> bytes:
41 https://bitbucket.org/pypa/distlib/src/58cd5c6/distlib/scripts.py#lines-124
42 """
43 executable_bytes = executable.encode("utf-8")
44- if forlauncher: # The launcher can just use the command as-is.
45- return b"#!" + executable_bytes
46- if _is_executable_simple(executable_bytes):
47- return b"#!" + executable_bytes
48-
49- # Shebang support for an executable with a space in it is under-specified
50- # and platform-dependent, so we use a clever hack to generate a script to
51- # run in ``/bin/sh`` that should work on all reasonably modern platforms.
52- # Read the following message to understand how the hack works:
53- # https://github.com/pradyunsg/installer/pull/4#issuecomment-623668717
54-
55- quoted = shlex.quote(executable).encode("utf-8")
56- # I don't understand a lick what this is trying to do.
57- return b"#!/bin/sh\n'''exec' " + quoted + b' "$0" "$@"\n' + b"' '''"
58+ return b"#!" + executable_bytes
59
60
61 class InvalidScript(ValueError):