metadata.sh: fix scripts in subpkgs, add shadow rundep if $system_accounts set.

--HG--
extra : convert_revision : 80e31c482ea3fd6c3ed91a6758a09c54820efcd5

xbps-src/shutils/metadata.sh

@@ -54,7 +54,8 @@ xbps_write_metadata_pkg()
 		fi
 		setup_tmpl ${sourcepkg}
 		unset run_depends conf_files noarch triggers replaces \
-			revision openrc_services essential keep_empty_dirs
+			revision openrc_services system_accounts essential \
+			preserve keep_empty_dirs
 		. $XBPS_SRCPKGDIR/${sourcepkg}/${subpkg}.template
 		pkgname=${subpkg}
 		set_tmpl_common_vars
@@ -281,6 +282,13 @@ _EOF
 		Add_dependency run OpenRC
 	fi
 
+	#
+	# If package sets $system_accounts, add shadow rundep.
+	#
+	if [ -n "$system_accounts" ]; then
+		Add_dependency run shadow
+	fi
+
 	# Is this an essential pkg?
 	if [ -n "$essential" ]; then
 		echo "<key>essential</key>" >> $TMPFPROPS