Merge remote-tracking branch 'origin/master' into systemd

doc/manual/man-nixos-rebuild.xml

@@ -25,12 +25,10 @@
       <arg choice='plain'><option>dry-run</option></arg>
       <arg choice='plain'><option>build-vm</option></arg>
       <arg choice='plain'><option>build-vm-with-bootloader</option></arg>
-      <arg choice='plain'><option>pull</option></arg>
     </group>
     <sbr />
     <arg><option>--upgrade</option></arg>
     <arg><option>--install-grub</option></arg>
-    <arg><option>--no-pull</option></arg>
     <arg><option>--no-build-nix</option></arg>
     <arg><option>--fast</option></arg>
     <arg><option>--rollback</option></arg>
@@ -170,17 +168,6 @@ $ ./result/bin/run-*-vm
       partition, which is mounted read-only in the VM.</para>
     </listitem>
   </varlistentry>
-  
-  <varlistentry>
-    <term><option>pull</option></term>
-    <listitem>
-      <para>This operation fetches the latest manifest in the Nixpkgs
-      channel to speed up subsequent <command>nix-env</command>
-      operations.  This is useful if you are not using
-      <command>nix-channel</command> but still want to use pre-built
-      binary packages.  It doesn’t reconfigure the system</para>
-    </listitem>
-  </varlistentry>
 
 </variablelist>