gitsig: Deprecate gpg-refresh

gitsig/README

@@ -21,6 +21,16 @@ It is important to check the gpg -k *every time* the .git-gpg directory is
 updated (so an attacker couldn't sneak a key into the git repository and wait
 for it to be installed by accident).
 
+Refreshing gpg keys
+-------------------
+
+It is recommended to periodically refresh these gpg keys to check if some of
+them was not revoked or so.
+
+Suitable cron job is:
+
+  13 13 * * * user GNUPGHOME=$HOME/.git-gpg gpg --refresh-keys
+
 Unsigned detector
 -----------------
 
@@ -43,12 +53,6 @@ This is a maintainance script. It imports the keys and trust settings from
 files in this directory (trusted_keys.gpg and trust.txt) and creates the
 $HOME/.git-gpg.
 
-gpg-refresh
------------
-
-Refresh keys from a keyserver. This will import any revocations or possible new
-signatures on the keys. It is recommended to put into a cron script.
-
 Adding a new key
 ----------------
 

gitsig/gpg-refresh

-#!/bin/bash
-
-# Copyright (c) 2015, CZ.NIC, z.s.p.o. (http://www.nic.cz/)
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#    * Redistributions of source code must retain the above copyright
-#      notice, this list of conditions and the following disclaimer.
-#    * Redistributions in binary form must reproduce the above copyright
-#      notice, this list of conditions and the following disclaimer in the
-#      documentation and/or other materials provided with the distribution.
-#    * Neither the name of the CZ.NIC nor the
-#      names of its contributors may be used to endorse or promote products
-#      derived from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL CZ.NIC BE LIABLE FOR ANY
-# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-set -e
-
-export GNUPGHOME=$HOME/.git-gpg
-gpg --keyserver hkp://sks.labs.nic.cz --refresh-keys