Add an option to not preserve the date when copying books between libraries (found in Preferences->Adding books)

src/calibre/gui2/__init__.py

@@ -97,6 +97,7 @@ gprefs.defaults['book_display_fields'] = [
         ('last_modified', False), ('size', False),
         ]
 gprefs.defaults['default_author_link'] = 'http://en.wikipedia.org/w/index.php?search={author}'
+gprefs.defaults['preserve_date_on_ctl'] = True
 
 # }}}
 

src/calibre/gui2/actions/copy_to_library.py

@@ -15,6 +15,7 @@ from calibre.gui2.actions import InterfaceAction
 from calibre.gui2 import error_dialog, Dispatcher, warning_dialog, gprefs
 from calibre.gui2.dialogs.progress import ProgressDialog
 from calibre.utils.config import prefs, tweaks
+from calibre.utils.date import now
 
 class Worker(Thread): # {{{
 
@@ -55,6 +56,8 @@ class Worker(Thread): # {{{
         for i, x in enumerate(self.ids):
             mi = self.db.get_metadata(x, index_is_id=True, get_cover=True,
                     cover_as_data=True)
+            if not gprefs['preserve_date_on_ctl']:
+                mi.timestamp = now()
             self.progress(i, mi.title)
             fmts = self.db.formats(x, index_is_id=True)
             if not fmts: fmts = []

src/calibre/gui2/preferences/adding.py

@@ -24,6 +24,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         r('read_file_metadata', prefs)
         r('swap_author_names', prefs)
         r('add_formats_to_existing', prefs)
+        r('preserve_date_on_ctl', gprefs)
         choices = [
                 (_('Ignore duplicate incoming formats'), 'ignore'),
                 (_('Overwrite existing duplicate formats'), 'overwrite'),

src/calibre/gui2/preferences/adding.ui

@@ -58,7 +58,7 @@
      </item>
     </layout>
    </item>
-   <item row="2" column="0">
+   <item row="3" column="0">
     <widget class="QCheckBox" name="opt_add_formats_to_existing">
      <property name="toolTip">
       <string>Automerge: If books with similar titles and authors found, merge the incoming formats automatically into
@@ -72,7 +72,7 @@ Title match ignores leading indefinite articles (&quot;the&quot;, &quot;a&quot;,
      </property>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="3" column="1">
     <widget class="QComboBox" name="opt_automerge">
      <property name="toolTip">
       <string>Automerge: If books with similar titles and authors found, merge the incoming formats automatically into
@@ -88,7 +88,7 @@ Author matching is exact.</string>
      </property>
     </widget>
    </item>
-   <item row="3" column="0">
+   <item row="4" column="0">
     <widget class="QLabel" name="label_230">
      <property name="text">
       <string>&amp;Tags to apply when adding a book:</string>
@@ -98,14 +98,14 @@ Author matching is exact.</string>
      </property>
     </widget>
    </item>
-   <item row="3" column="1">
+   <item row="4" column="1">
     <widget class="QLineEdit" name="opt_new_book_tags">
      <property name="toolTip">
       <string>A comma-separated list of tags that will be applied to books added to the library</string>
      </property>
     </widget>
    </item>
-   <item row="4" column="0" colspan="2">
+   <item row="5" column="0" colspan="2">
     <widget class="QGroupBox" name="metadata_box">
      <property name="title">
       <string>&amp;Configure metadata from file name</string>
@@ -127,6 +127,13 @@ Author matching is exact.</string>
      </layout>
     </widget>
    </item>
+   <item row="2" column="0" colspan="2">
+    <widget class="QCheckBox" name="opt_preserve_date_on_ctl">
+     <property name="text">
+      <string>When &amp;copying books from one library to another, preserve the date</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>