From 373ae7469678140753b958c91cbf1dae2e5d03cb Mon Sep 17 00:00:00 2001
From: Olaf Meeuwissen <paddy-hack@member.fsf.org>
Date: Sat, 12 Aug 2017 21:31:48 +0900
Subject: [PATCH] Add support for buildd derived images

---
 .gitlab-ci.yml | 12 ++++++++++++
 buildd.df      | 11 +++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 buildd.df

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5750432..d3890ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,6 +14,7 @@ services:
 stages:
   - migrate
   - build
+  - derive
 
 before_script:
 - docker login -u gitlab-ci-token -p "$CI_JOB_TOKEN" registry.gitlab.com
@@ -43,3 +44,14 @@ build:
     && docker push "$CI_REGISTRY_IMAGE":"$version"
     && docker tag  "$CI_REGISTRY_IMAGE":"$version" "$CI_REGISTRY_IMAGE"
     && docker push "$CI_REGISTRY_IMAGE"
+
+derive:
+  stage: derive
+  script:
+  - docker build --build_arg DEVUAN_VERSION="$DEVUAN_VERSION"
+           --tag "$CI_REGISTRY_NAME"/buildd:"$DEVUAN_VERSION"
+           --file buildd.df
+  - docker push "$CI_REGISTRY_IMAGE"/buildd:"$DEVUAN_VERSION"
+  - docker tag  "$CI_REGISTRY_IMAGE"/buildd:"$DEVUAN_VERSION"
+                "$CI_REGISTRY_IMAGE"/buildd
+  - docker push "$CI_REGISTRY_IMAGE"/buildd
diff --git a/buildd.df b/buildd.df
new file mode 100644
index 0000000..193171a
--- /dev/null
+++ b/buildd.df
@@ -0,0 +1,11 @@
+# buildd.df -- a Devuan image for binary package builds
+# Copyright (C) 2017  Olaf Meeuwissen
+#
+# License: GPL-3.0+
+
+ARG   DEVUAN_VERSION
+FROM  devuan:${DEVUAN_VERSION}
+LABEL maintainer="Olaf Meeuwissen <paddy-hack@member.fsf.org>"
+
+RUN apt-get update -q \
+    && apt-get install build-essential -q -y