[gnome-autoar/wip/oholy/ci] ci: Add initial GitLab CI integration

[Ondrej Holy <oholy src gnome org>]

commit 7a9b1449f359085a9043198511d19d12d403c573
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Apr 29 17:18:15 2021 +0200

    ci: Add initial GitLab CI integration
    
    Let's use GitLab CI to automatically build source codes and run unit
    tests for each commit to be sure that new changes don't break anything.

 .gitlab-ci.yml     | 31 +++++++++++++++++++++++++++++++
 .gitlab/Dockerfile |  5 +++++
 2 files changed, 36 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..e964e0f
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,31 @@
+fedora:
+    image:
+        name: registry.gitlab.gnome.org/gnome/gnome-autoar:latest
+        entrypoint: ["/bin/sh", "-c"]
+    tags:
+        - x86_64
+    script:
+        - ./autogen.sh
+        - make
+        - cd tests
+        - ./test-extract-unit
+    allow_failure: true
+
+update image:
+    variables:
+         STORAGE_DRIVER: vfs
+         BUILDAH_FORMAT: docker
+         BUILDAH_ISOLATION: chroot
+    image: registry.fedoraproject.org/fedora:latest
+    script:
+        - dnf install -y buildah runc
+        - sed -i '/^mountopt =.*/d' /etc/containers/storage.conf
+        - buildah bud --tag $CI_REGISTRY_IMAGE -f .gitlab/Dockerfile
+        - buildah tag $CI_REGISTRY_IMAGE "$CI_REGISTRY_IMAGE:v$CI_JOB_ID"
+        - buildah login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+        - buildah push $CI_REGISTRY_IMAGE
+        - buildah push "$CI_REGISTRY_IMAGE:v$CI_JOB_ID"
+    when: manual
+    only:
+        variables:
+            - $CI_PROJECT_NAMESPACE == "GNOME"
diff --git a/.gitlab/Dockerfile b/.gitlab/Dockerfile
new file mode 100644
index 0000000..8753214
--- /dev/null
+++ b/.gitlab/Dockerfile
@@ -0,0 +1,5 @@
+FROM fedora:rawhide
+
+RUN dnf install --nogpg -y dnf-plugins-core gnome-common git \
+ && dnf builddep --nogpg -y gnome-autoar \
+ && dnf clean all