checkout: Support a "pure addition" mode

I plan to use this for `rpm-ostree livefs`. https://github.com/projectatomic/rpm-ostree/issues/639 Closes: #714 Approved by: jlebon
2017-03-06 20:58:04 +00:00
1 parent ff34810097
commit 94948e3522
@@ -89,6 +89,14 @@ Boston, MA 02111-1307, USA.
                </para></listitem>
            </varlistentry>

+            <varlistentry>
+                <term><option>--union-add</option></term>
+
+                <listitem><para>
+                    Keep existing directories and files.
+                </para></listitem>
+            </varlistentry>
+
            <varlistentry>
                <term><option>--allow-noent</option></term>