committing changes in /etc made by "-bash"

Package changes:

etckeeper/list-installed.d/50list-installed

@@ -17,7 +17,7 @@ else
 	# format "package version\n" (or something similar).
 	if [ "$LOWLEVEL_PACKAGE_MANAGER" = dpkg ]; then
 		dpkg-query -W -f '${Status}\t${Package} ${Version} ${Architecture}\n' | \
-			egrep '(ok installed|ok config-files)' | cut -f2,3
+			grep -E '(ok installed|ok config-files)' | cut -f2,3
 	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = rpm ]; then
 		rpm -qa --qf "%|epoch?{%{epoch}}:{0}|:%{name}-%{version}-%{release}.%{arch}\n" | sort
 	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = pacman ]; then
@@ -28,5 +28,11 @@ else
 		pkg info -E "*"
 	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = apk ]; then
 		apk info -v | sort
+	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = xbps ]; then
+		xbps-query -l | awk '{print $2}' | sed -r 's/-([^-]+)$/ \1/g;'
+	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = qlist ]; then
+		qlist -ICv
+	elif [ "$LOWLEVEL_PACKAGE_MANAGER" = cave ]; then
+		cave print-packages -r installed
 	fi
 fi