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termio: exec direct commands as login sessions

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When executing a .direct command under macOS, we pass the arguments
directly to login. We want this to be a login session so we don't want
to use login's `-l` flag (which suppress the login session behavior).

We continue to use `login -l` for .shell commands because we wrap them
in a call to `exec -l`, which handles the login session itself.
This commit is contained in:
Jon Parise
2025-05-02 20:16:14 -04:00
parent 464b85b64c
commit 31e8689689
1 changed files with 14 additions and 11 deletions
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25
src/termio/Exec.zig
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@ -1575,13 +1575,15 @@ fn execCommand(
// Awesome.
try args.append("/usr/bin/login");
if (hush) try args.append("-q");
try args.append("-flp");
if (command == .shell) try args.append("-l");
try args.append("-fp");
try args.append(username);
switch (command) {
// Direct args can be passed directly to login, since
// login uses execvp we don't need to worry about PATH
// searching.
// searching. The command will be executed as a login
// session (login will prefix argv[0] with a hyphen).
.direct => |v| try args.appendSlice(v),
.shell => |v| {
@ -1670,15 +1672,16 @@ test "execCommand darwin: shell command" {
}
});
try testing.expectEqual(8, result.len);
try testing.expectEqual(9, result.len);
try testing.expectEqualStrings(result[0], "/usr/bin/login");
try testing.expectEqualStrings(result[1], "-flp");
try testing.expectEqualStrings(result[2], "testuser");
try testing.expectEqualStrings(result[3], "/bin/bash");
try testing.expectEqualStrings(result[4], "--noprofile");
try testing.expectEqualStrings(result[5], "--norc");
try testing.expectEqualStrings(result[6], "-c");
try testing.expectEqualStrings(result[7], "exec -l foo bar baz");
try testing.expectEqualStrings(result[1], "-l");
try testing.expectEqualStrings(result[2], "-fp");
try testing.expectEqualStrings(result[3], "testuser");
try testing.expectEqualStrings(result[4], "/bin/bash");
try testing.expectEqualStrings(result[5], "--noprofile");
try testing.expectEqualStrings(result[6], "--norc");
try testing.expectEqualStrings(result[7], "-c");
try testing.expectEqualStrings(result[8], "exec -l foo bar baz");
}
test "execCommand darwin: direct command" {
@ -1702,7 +1705,7 @@ test "execCommand darwin: direct command" {
try testing.expectEqual(5, result.len);
try testing.expectEqualStrings(result[0], "/usr/bin/login");
try testing.expectEqualStrings(result[1], "-flp");
try testing.expectEqualStrings(result[1], "-fp");
try testing.expectEqualStrings(result[2], "testuser");
try testing.expectEqualStrings(result[3], "foo");
try testing.expectEqualStrings(result[4], "bar baz");