From 0211db1e0875957fe2290048df8caa34d138af75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kov=C3=A1cs=20Zolt=C3=A1n?= <kovacsz@marcusconsulting.hu>
Date: Sun, 15 Jun 2025 12:39:42 +0200
Subject: [PATCH] 110-startlogs.sh: better continuation of existing log file
 (even if empty).

---
 .metadata                        | Bin 15730 -> 15730 bytes
 tools/startup.d/110-startlogs.sh |   7 +++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/.metadata b/.metadata
index ef2f238b264c51058d4a699ae8d619bd2f154b6f..620bc318ce52cae5dc82f2e32ea4bd525363284c 100644
GIT binary patch
delta 59
zcmexV^{Hw@GaJv>7LyDHAh;jCOnLG|G11BU`NbyNNw80zz{0WlB-<M?9+3zaunHUV
MJju-mWjD$L0GwD98UO$Q

delta 54
zcmexV^{Hw@GaJwACX);XAXwo0igEHpG11BU`NbyNNw80zz{0WlB-<M?=3`MWCO<R~
K+k8%Ti97&O0~L+{

diff --git a/tools/startup.d/110-startlogs.sh b/tools/startup.d/110-startlogs.sh
index 1a696ad..320e51d 100755
--- a/tools/startup.d/110-startlogs.sh
+++ b/tools/startup.d/110-startlogs.sh
@@ -6,6 +6,8 @@
 # Author: Kovács Zoltán <kovacsz@marcusconsulting.hu>
 # License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
 #
+# 2025-06-01 v0.4
+# fix: better continuation of existing log file (even if empty).
 # 2025-03-29 v0.3
 # mod: no longer repeats existing log lines.
 # 2025-02-26 v0.2
@@ -103,10 +105,11 @@ else
 		[[ -n "$logline" ]] \
 		    && timestamp="$(echo "$logline" | "$CUT" -d' ' -f1 2>/dev/null)" \
 		    || timestamp="invalid"
-		# Checks the validity.
+		# If the log does not contain a valid last timestamp, we write log lines
+		# created since the last time the container was started.
 		[[ $("$DATE" -d "$timestamp" >/dev/null 2>&1; echo $?) -eq 0 ]] \
 		    && since="$timestamp" \
-		    || since="1970-01-01T00:00Z"
+		    || since="$("$DOCKER" inspect -f '{{ .State.StartedAt }}' $container)"
 		# Only logs the new lines (actually repeats the last one - TODO!).
         	"$DOCKER" logs -t --since "$since" -f $container >> "$BASE_DIR/$LOGDIR/$service.log" 2>&1 &
 	    fi