add a scriptlet to disable epsonds autodiscovery in case an user changed epsonds.conf

sane-backends.spec

@@ -14,7 +14,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.30
-Release: 2%{?dist}
+Release: 3%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
@@ -240,6 +240,14 @@ rm -f %{buildroot}%{_libdir}/sane/libsane-qcam.so
 %post
 udevadm hwdb --update >/dev/null 2>&1 || :
 
+# check if there is autodiscovery enabled in epsonds.conf
+autodiscovery=`%{_bindir}/grep -E '^[[:space:]]*net[[:space:]]*autodiscovery' /etc/sane.d/epsonds.conf`
+if [ -n "$autodiscovery" ]
+then
+  # comment out 'net autodiscovery' if it is not commented out
+  %{_bindir}/sed -i 's,^[[:space:]]*net[[:space:]]*autodiscovery,#net autodiscovery,g' /etc/sane.d/epsonds.conf
+fi
+
 %postun
 udevadm hwdb --update >/dev/null 2>&1 || :
 
@@ -421,6 +429,9 @@ exit 0
 %{_unitdir}/saned@.service
 
 %changelog
+* Tue Jul 28 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.30-3
+- add a scriptlet to disable epsonds autodiscovery in case an user changed epsonds.conf
+
 * Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 1.0.30-2
 - Use make macros
 - https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro