From 71784150d00655e8ebfb65026ea97e2d9dd6fb68 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sun, 17 Dec 2017 10:23:52 -0200
Subject: Adds aperiodic-upgrade

---
 TODO.md                          |  1 -
 share/hydractl/aperiodic-upgrade | 49 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100755 share/hydractl/aperiodic-upgrade

diff --git a/TODO.md b/TODO.md
index 607fbad..3bf56f8 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,6 +2,5 @@ TODO
 ====
 
 * hydractl
-  * aperiodic-upgrade: run hydractl upgrade if it doesn't ran for a day or more.
   * sync-tpc: way to ignore /var/cache/qemu and other files from syncing,
     perhaps a .sync-tpc-ignore.
diff --git a/share/hydractl/aperiodic-upgrade b/share/hydractl/aperiodic-upgrade
new file mode 100755
index 0000000..1b0f649
--- /dev/null
+++ b/share/hydractl/aperiodic-upgrade
@@ -0,0 +1,49 @@
+#!/bin/bash
+#
+# Run a system upgrade.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with this program.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# Basic parameters
+TIMEFRAME="${1:-86400}"
+DATE="`date +%s`"
+LOG="/var/lib/hydractl/aperidic-upgrade"
+
+# Set sudo config
+if [ "`whoami`" != 'root' ]; then
+  sudo="sudo"
+fi
+
+# Ensure log folder
+$sudo mkdir -p "`dirname $LOG`"
+
+if [ ! -e "$LOG" ]; then
+  # Upgrade anyway
+  hydractl upgrade
+else
+  LAST="`cat $LOG`"
+  INTERVAL="$(($DATE - $LAST))"
+
+  # More than $TIMEFRAME?
+  if (( $INTERVAL > $TIMEFRAME )); then
+    echo hydractl upgrade
+  else
+    echo "Please enjoy life for an additional $(($TIMEFRAME - $INTERVAL)) seconds before running this command again."
+    exit
+  fi
+fi
+
+# Save timestamp
+$DATE | $sudo tee $LOG > /dev/null
-- 
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