commit f4086c716b2f27f2f0e34157dcd64960589a3c9f
from: Omar Polo <op@omarpolo.com>
via: Thomas Adam <thomas@xteddy.org>
date: Sat Apr 22 18:10:32 2023 UTC

tog: don't open /dev/tty during regress

as it might not be there (for e.g. if ran under cron).  Reuse instead
/dev/null since it's not expected to get input from stdin.

ok jamsek

commit - ff553ea7e0fb7b9ca9834780057bdd0f709339f5
commit + f4086c716b2f27f2f0e34157dcd64960589a3c9f
blob - e0fcc1a64a5f6169ecb16f98c8a65b82b97bea52
blob + 51022b6090574aeb9224b976148c4f0a2979f53f
--- tog/tog.c
+++ tog/tog.c
@@ -4190,6 +4190,7 @@ static const struct got_error *
 init_mock_term(const char *test_script_path)
 {
 	const struct got_error	*err = NULL;
+	int in;
 
 	if (test_script_path == NULL || *test_script_path == '\0')
 		return got_error_msg(GOT_ERR_IO, "TOG_TEST_SCRIPT not defined");
@@ -4204,13 +4205,19 @@ init_mock_term(const char *test_script_path)
 	/* test mode, we don't want any output */
 	tog_io.cout = fopen("/dev/null", "w+");
 	if (tog_io.cout == NULL) {
-		err = got_error_from_errno("fopen: /dev/null");
+		err = got_error_from_errno2("fopen", "/dev/null");
 		goto done;
 	}
 
-	tog_io.cin = fopen("/dev/tty", "r+");
+	in = dup(fileno(tog_io.cout));
+	if (in == -1) {
+		err = got_error_from_errno("dup");
+		goto done;
+	}
+	tog_io.cin = fdopen(in, "r");
 	if (tog_io.cin == NULL) {
-		err = got_error_from_errno("fopen: /dev/tty");
+		err = got_error_from_errno("fdopen");
+		close(in);
 		goto done;
 	}