From 61a5b0173ff015daf8419ed3df2cb24b2206d263 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Thu, 14 Jun 2018 15:34:38 +0200
Subject: [PATCH] require GitLab CI session to run these scripts

These scripts assume things that you only get while running in a CI
Docker container, like root access and state that is reset everytime.
---
 Dockerfile                    | 1 +
 gitlab-ci-common              | 6 ++++++
 gitlab-ci-enable-experimental | 2 ++
 gitlab-ci-enable-sid          | 2 ++
 gitlab-ci-git-buildpackage    | 2 ++
 5 files changed, 13 insertions(+)
 create mode 100644 gitlab-ci-common

diff --git a/Dockerfile b/Dockerfile
index 2bbab35..9c8cf15 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,6 +26,7 @@ RUN mkdir -p /usr/share/man/man1 \
 	&& rm -rf /var/lib/apt/lists/*
 
 COPY gitlab-ci-git-buildpackage /
+COPY gitlab-ci-common /usr/share/
 COPY gitlab-ci-enable-sid /usr/bin/
 COPY gitlab-ci-enable-experimental /usr/bin/
 
diff --git a/gitlab-ci-common b/gitlab-ci-common
new file mode 100644
index 0000000..fb92733
--- /dev/null
+++ b/gitlab-ci-common
@@ -0,0 +1,6 @@
+
+if [ -z "$CI" ]; then
+    echo "This script should only ever be run in GitLab CI!"
+    exit 1
+fi
+
diff --git a/gitlab-ci-enable-experimental b/gitlab-ci-enable-experimental
index b9ed9e4..fa214f1 100755
--- a/gitlab-ci-enable-experimental
+++ b/gitlab-ci-enable-experimental
@@ -1,5 +1,7 @@
 #!/bin/bash -e
 
+. /usr/share/gitlab-ci-common
+
 printf "Package: *\nPin: release o=Debian,a=stable\nPin-Priority: 900\n" \
        > /etc/apt/preferences.d/debian-stable.pref
 
diff --git a/gitlab-ci-enable-sid b/gitlab-ci-enable-sid
index bf135b5..09be8ff 100755
--- a/gitlab-ci-enable-sid
+++ b/gitlab-ci-enable-sid
@@ -1,5 +1,7 @@
 #!/bin/bash -e
 
+. /usr/share/gitlab-ci-common
+
 printf "Package: *\nPin: release o=Debian,a=stable\nPin-Priority: 900\n" \
        > /etc/apt/preferences.d/debian-stable.pref
 
diff --git a/gitlab-ci-git-buildpackage b/gitlab-ci-git-buildpackage
index 384ff5f..11ed984 100755
--- a/gitlab-ci-git-buildpackage
+++ b/gitlab-ci-git-buildpackage
@@ -5,6 +5,8 @@ if [ "$CI_COMMIT_REF_NAME" == "upstream" ] || [ "$CI_COMMIT_REF_NAME" == "pristi
     exit 0
 fi
 
+. /usr/share/gitlab-ci-common
+
 # https://gitlab.com/gitlab-org/gitlab-runner/issues/1380#note_48552305
 lockfile=/.lock
 if [[ ! -f $lockfile ]] ; then