From 9710390ba04f7ae9204f34e683e81bdcb99ffa3a Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Tue, 18 Nov 2025 17:48:08 +0100
Subject: [PATCH] change refactor postrm script

---
 src/debian/postrm | 38 ++++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/src/debian/postrm b/src/debian/postrm
index b8dacd3..ae14384 100644
--- a/src/debian/postrm
+++ b/src/debian/postrm
@@ -1,26 +1,36 @@
 #!/bin/bash
 
+errlog()
+{
+	local lastexit=$?
+	local msg="$1"
+
+	echo "$msg"
+
+	return $lastexit
+}
+
 main()
 {
-	DLLCONFIG="/etc/sane.d/dll.conf"
-	ENTRY="kds_s2000w_net"
+	local DLLCONFIG="/etc/sane.d/dll.conf"
+	local ENTRY="kds_s2000w_net"
 
-	if [ ! -f "$DLLCONFIG" ]; then
-		echo "ERROR: $DLLCONFIG does not exist"
-		exit 0
-	fi
+	[ -f "$DLLCONFIG" ] \
+		|| errlog "ERROR: $DLLCONFIG does not exist" \
+		|| return $?
 
 	echo "found $DLLCONFIG"
-	ENTRYCHECK=$(cat $DLLCONFIG | grep $ENTRY)
+	local entrycheck=$(cat $DLLCONFIG | grep $ENTRY)
+
+	[ -z "$entrycheck" ] \
+		&& echo "$ENTRY entry does not exists in $DLLCONFIG" \
+		&& return 0
 
-	if [ -z "$ENTRYCHECK" ]; then
-		echo "$ENTRY entry does not exists in $DLLCONFIG"
-		exit 0
-	fi
+	sed -i "/$ENTRY/d" $DLLCONFIG \
+		|| errlog "could not remove $ENTRY from $DLLCONFIG"  \
+		|| return $?
 
-	sed -i "/$ENTRY/d" $DLLCONFIG
 	echo "remove $ENTRY from $DLLCONFIG"
 }
 
-main
-exit 0
\ No newline at end of file
+main
\ No newline at end of file
-- 
2.47.3