From efd15b7950d15c8a4a9a68441d7692d089e88af9 Mon Sep 17 00:00:00 2001
From: Leo Arias <leo.arias@canonical.com>
Date: Sun, 7 Jan 2018 18:13:39 +0000
Subject: [PATCH] add a script to sync a mirror

---
 scripts/sync_mirror.sh | 49 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100755 scripts/sync_mirror.sh

diff --git a/scripts/sync_mirror.sh b/scripts/sync_mirror.sh
new file mode 100755
index 0000000..dc16c91
--- /dev/null
+++ b/scripts/sync_mirror.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+#
+# Copyright (C) 2018 JaquerEspeis
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make a full sync of an Ubuntu mirror.
+# This currently requires more than 1TB of storage space and takes a long time.
+# Arguments:
+#   storage-dir: The directory where the mirror files will be stored.
+
+set -e
+
+if [ "$#" -ne 1 ]; then
+    echo "Usage: "$0" <storage-dir>"
+    exit 1
+fi
+
+dir="$1"
+
+# Two stage sync of the main Ubuntu mirror.
+# More info and options in https://wiki.ubuntu.com/Mirrors/Scripts.
+echo "Synchronizing with the main Ubuntu mirror, stage 1."
+rsync --recursive --times --links --safe-links --hard-links --stats --exclude "Packages*" --exclude "Sources*" --exclude "Release*" --exclude "InRelease"   rsync://archive.ubuntu.com/ubuntu "${dir}"
+echo "Synchronizing with the main Ubuntu mirror, stage 2."
+rsync --recursive --times --links --safe-links --hard-links   --stats --delete --delete-after rsync://archive.ubuntu.com/ubuntu "${dir}"
+
+# Publish the files on IPFS.
+# This uses the experimental filestore:
+# https://github.com/ipfs/go-ipfs/issues/3397#issuecomment-284337564
+ipfs config --json Experimental.FilestoreEnabled true
+echo "Adding the mirror files to IPFS."
+hash="$(ipfs add --quiet --recursive --nocopy "${dir}" | tail -n1)"
+echo "Published IPFS hash ${hash}."
+echo "Updating IPNS."
+ipns="$(ipfs name publish "${hash}" | cut -d ' ' -f 3 | tr -d ':')"
+echo "IPFS Mirror synchronized."
+echo "Add the address 'ipfs:/ipns/${ipns}' to your '/etc/apt/sources.list'."
+echo "For example, add 'deb ipfs:/ipns/${ipns} xenial main' if you are in Ubuntu 16.04, and you want to use IPFS to get updates from the main archive."