From 68f64dc69a72d9242ee39db28bc04fc3efda99a2 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <bluca@debian.org>
Date: Sun, 21 Aug 2022 02:01:40 +0100
Subject: [PATCH] resolved: use DPKG_ROOT and make postinst shellcheck-happy

---
 debian/systemd-resolved.postinst | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/debian/systemd-resolved.postinst b/debian/systemd-resolved.postinst
index 17ab95726..f06f149a6 100644
--- a/debian/systemd-resolved.postinst
+++ b/debian/systemd-resolved.postinst
@@ -6,15 +6,15 @@ _adopt_conffile() {
     conffile=$1
     pkg=$2
 
-    [ -f ${conffile}.dpkg-bak ] || return 0
+    [ -f "${conffile}.dpkg-bak" ] || return 0
 
-    md5sum="$(md5sum ${conffile} | sed -e 's/ .*//')"
-    old_md5sum="$(dpkg-query -W -f='${Conffiles}' $pkg | \
+    md5sum="$(md5sum "${conffile}" | sed -e 's/ .*//')"
+    old_md5sum="$(dpkg-query -W -f='${Conffiles}' "$pkg" | \
                         sed -n -e "\' ${conffile} ' { s/ obsolete$//; s/.* //; p }")"
     # On new installs, if the policy file was preserved on systemd upgrade
     # by dpkg-maintscript helper, copy it back if the new file has not been modified yet
     if [ "$md5sum" = "$old_md5sum" ]; then
-        mv ${conffile}.dpkg-bak ${conffile}
+        mv "${conffile}.dpkg-bak" "${conffile}"
     fi
 }
 
@@ -22,7 +22,7 @@ _adopt_conffile() {
 if [ "$1" = configure ] && [ -z "$2" ]; then
     adduser --quiet --system --group --no-create-home --home /run/systemd \
         --gecos "systemd Resolver" systemd-resolve
-    _adopt_conffile /etc/systemd/resolved.conf systemd-resolved
+    _adopt_conffile "${DPKG_ROOT}/etc/systemd/resolved.conf" systemd-resolved
 fi
 
 #DEBHELPER#