From f248913ce803c1821c9819e015227a608808fb67 Mon Sep 17 00:00:00 2001
From: chris <cg@zknt.org>
Date: Mon, 29 Jun 2020 10:48:31 +0200
Subject: [PATCH] add checkupdates

---
 Dockerfile   | 1 +
 checkupdates | 5 +++++
 2 files changed, 6 insertions(+)
 create mode 100755 checkupdates

diff --git a/Dockerfile b/Dockerfile
index e422658..2def035 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,6 +38,7 @@ ARG DUMB_INIT_VERSION
 COPY --from=toolbuilder /build/build /usr/local/sbin/gosu
 COPY --from=toolbuilder /dumb-init /usr/local/sbin/dumb-init
 COPY apt-install /bin/apt-install
+COPY checkupdates /bin/checkupdates
 CMD "bash"
 LABEL version.debian=buster \
   version.gosu=$GOSU_VERSION \
diff --git a/checkupdates b/checkupdates
new file mode 100755
index 0000000..e05352c
--- /dev/null
+++ b/checkupdates
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+apt-get -qy update > /dev/null
+apt-get -o Debug::NoLocking=yes -s dist-upgrade -y | awk '/^Inst/ {print $2 " " $5}' | wc -l
+rm -rf /var/lib/apt/lists/*