core: add --crash-vt= for compat with --help

Fixes b9e74c399458a1146894ce371e7d85c60658110c.

diff --git a/src/core/main.c b/src/core/main.c
index d990017dedffeb1b5dc5b19bc84a0efde648832c..9fc2ace1c56f28c004c1ad082a7148a037011c5a 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1026,10 +1026,11 @@ static int parse_argv(int argc, char *argv[]) {
                                 return r;
                         break;
 
-                OPTION_LONG("crash-chvt", "NR", "Change to specified VT on crash"):
+                OPTION_LONG("crash-chvt", "NR", "Change to specified VT on crash"): {}
+                OPTION_LONG("crash-vt", "NR", /* help= */ NULL):  /* compat option that was previously documented in --help */
                         r = parse_crash_chvt(opts.arg, &arg_crash_chvt);
                         if (r < 0)
-                                return log_error_errno(r, "Failed to parse crash virtual terminal index: \"%s\": %m",
+                                return log_error_errno(r, "Failed to parse crash virtual terminal index '%s': %m",
                                                        opts.arg);
                         break;