[dconf: 3/6] bin: Add optional directory argument for update command

[Daniel Playfair Cal <danielplayfaircal src gnome org>]

commit 1f5e6a04ab92acdb6ef3e6136af7ecf119d82d9b
Author: Tomasz Miąsko <tomasz miasko gmail com>
Date:   Wed Nov 14 00:00:00 2018 +0000

    bin: Add optional directory argument for update command
    
    This make it possible to create integration tests for dconf update
    without having access to SYSCONFDIR/dconf/db.

 bin/dconf-update.vala | 14 +++++++++++++-
 bin/dconf.vala        |  2 +-
 2 files changed, 14 insertions(+), 2 deletions(-)
---
diff --git a/bin/dconf-update.vala b/bin/dconf-update.vala
index 55a8231..520e02d 100644
--- a/bin/dconf-update.vala
+++ b/bin/dconf-update.vala
@@ -251,7 +251,19 @@ void dconf_compile (string[] args) throws GLib.Error {
 extern const string CONFIG_SYSCONFDIR;
 
 void dconf_update (string[] args) throws GLib.Error {
-       update_all (CONFIG_SYSCONFDIR + "/dconf/db");
+       var index = 2;
+       var dbpath = CONFIG_SYSCONFDIR + "/dconf/db";
+
+       if (args[index] != null) {
+               dbpath = args[index];
+               index ++;
+       }
+
+       if (args[index] != null) {
+               throw new OptionError.FAILED ("too many arguments");
+       }
+
+       update_all (dbpath);
 }
 
 // vim:noet ts=4 sw=4
diff --git a/bin/dconf.vala b/bin/dconf.vala
index 1f0109c..6448808 100644
--- a/bin/dconf.vala
+++ b/bin/dconf.vala
@@ -64,7 +64,7 @@ void show_help (bool requested, string? command) {
 
                case "update":
                        description = "Update the system dconf databases";
-                       synopsis = "";
+                       synopsis = " [DIR] ";
                        break;
 
                case "watch":