[gnome-ostree] jsondb: Switch to YMD.serial version numbering

[Colin Walters <walters src gnome org>]

commit e2ef9e9387923d3440386056db22808b8216b135
Author: Colin Walters <walters verbum org>
Date:   Thu Jun 13 18:22:47 2013 -0400

    jsondb: Switch to YMD.serial version numbering
    
    This is just saner.

 src/js/jsondb.js |   25 ++++++++++++++++---------
 1 files changed, 16 insertions(+), 9 deletions(-)
---
diff --git a/src/js/jsondb.js b/src/js/jsondb.js
index 79867e3..5ef5781 100644
--- a/src/js/jsondb.js
+++ b/src/js/jsondb.js
@@ -126,21 +126,28 @@ const JsonDB = new Lang.Class({
        }
        
        let currentTime = GLib.DateTime.new_now_utc();
+       let currentYmd = Format.vprintf('%d%02d%02d', [currentTime.get_year(),
+                                                      currentTime.get_month(),
+                                                      currentTime.get_day_of_month()]);
 
        let buf = JSON.stringify(obj, null, "  ");
        let csum = GLib.compute_checksum_for_string(GLib.ChecksumType.SHA256, buf, -1);
         
-       let latestVersion;
-        if (latest) {
-            if (csum == latest[2]) {
-                return [this._path.get_child(latest[3]), false];
-           }
-            latestVersion = [latest[0], latest[1]];
-        } else {
-            latestVersion = [currentTime.get_year(), 0];
+        if (latest && csum == latest[2]) {
+            return [this._path.get_child(latest[3]), false];
+       }
+       
+       let version = null;
+       if (latest) {
+           let lastYmd = latest[0];
+           if (lastYmd == currentYmd)
+               version = currentYmd + '.' + (latest[1]+1);
+        }
+       if (version == null) {
+            version = currentYmd + '.0';
        }
 
-        let targetName = Format.vprintf('%d.%d-%s.json', [currentTime.get_year(), latestVersion[1] + 1, 
csum]);
+        let targetName = Format.vprintf('%s-%s.json', [version, csum]);
         let targetPath = this._path.get_child(targetName);
        targetPath.replace_contents(buf, null, false, Gio.FileCreateFlags.REPLACE_DESTINATION, cancellable);