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make $0 available to non-interactive shell startup files

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This commit is contained in:
Chet Ramey
2021-07-28 10:27:04 -04:00
parent 6650b4de61
commit 6c84d09c19
6 changed files with 52 additions and 13 deletions
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shell.c
+14
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@@ -694,10 +694,24 @@ main (argc, argv, env)
/* The startup files are run with `set -e' temporarily disabled. */
if (locally_skip_execution == 0 && running_setuid == 0)
{
char *t;
old_errexit_flag = exit_immediately_on_error;
exit_immediately_on_error = 0;
/* Temporarily set $0 while running startup files, then restore it so
we get better error messages when trying to open script files. */
if (shell_script_filename)
{
t = dollar_vars[0];
dollar_vars[0] = exec_argv0 ? savestring (exec_argv0) : savestring (shell_script_filename);
}
run_startup_files ();
if (shell_script_filename)
{
free (dollar_vars[0]);
dollar_vars[0] = t;
}
exit_immediately_on_error += old_errexit_flag;
}