systemd/0061-journalctl-properly-detect-empty-journal-files.patch

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From c6ab40306733c31e5f2f2d56b3fb199e6b4bfda2 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 24 Jul 2015 02:10:32 +0200
Subject: [PATCH 05/12] journalctl: properly detect empty journal files
When we encounter a journal file with exactly zero entries, print a nice
message and exit, and don't print a weird error message.
(cherry picked from commit 02ab86c732576a71179ce12e97d44c289833236d)
Resolves: #1255619
---
src/journal/journalctl.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 2d6ecfb..073cc77 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -2066,6 +2066,10 @@ int main(int argc, char *argv[]) {
log_error_errno(r, "Failed to iterate through journal: %m");
goto finish;
}
+ if (r == 0) {
+ printf("-- No entries --\n");
+ goto finish;
+ }
if (!arg_follow)
pager_open_if_enabled();
--
2.5.0