Make sure we can install unsigned packages.

Sometimes we need to install unsigned packages from our own ad-hoc repo,
installing `apt-transport-https` makes sure we can do this (at least on
Debian Stretch).

diff --git a/build-scripts/docker/generate-repo-files.sh b/build-scripts/docker/generate-repo-files.sh
index e04f6e134519aea2ec56ec97aa978822dc2d526e..13d2e3fb197a4e6a615253c1ae6c79591f080750 100755 (executable)
--- a/build-scripts/docker/generate-repo-files.sh
+++ b/build-scripts/docker/generate-repo-files.sh
@@ -106,7 +106,7 @@ EOF
 FROM $OS:$VERSION
 
 RUN apt-get update
-RUN apt-get install -y curl gnupg dnsutils
+RUN apt-get install -y curl gnupg dnsutils apt-transport-https
 
 COPY dnsdist.debian-and-ubuntu /etc/apt/preferences.d/dnsdist
 COPY pdns.debian-and-ubuntu /etc/apt/preferences.d/pdns