From 5da5d848f9d5175998e8a1030d32a7edb3371956 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 25 Apr 2024 14:22:41 +0900
Subject: [PATCH] journalctl: fail and show error message when no boot ID found

No boot ID in journal should be definitly spurious.
Let's warn about that and exit with failure.
---
 src/journal/journalctl-misc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/journal/journalctl-misc.c b/src/journal/journalctl-misc.c
index 47eb72575a..65785d4d35 100644
--- a/src/journal/journalctl-misc.c
+++ b/src/journal/journalctl-misc.c
@@ -115,7 +115,8 @@ int action_list_boots(void) {
         if (r < 0)
                 return log_error_errno(r, "Failed to determine boots: %m");
         if (r == 0)
-                return 0;
+                return log_full_errno(arg_quiet ? LOG_DEBUG : LOG_ERR, SYNTHETIC_ERRNO(ENODATA),
+                                      "No boot found.");
 
         table = table_new("idx", "boot id", "first entry", "last entry");
         if (!table)