add .gitlab-ci.yml

.gitlab-ci.yml

@@ -0,0 +1,41 @@
+image: nixos/nix:latest
+
+variables:
+  NIX_PATH: "nixpkgs=channel:nixos-unstable"
+  GIT_STRATEGY: clone
+  GIT_DEPTH: 1
+
+
+stages:
+  - "Update"
+  - "Checks"
+
+"Update inputs":
+  stage: "Update"
+  rules:
+  - if: $CI_PIPELINE_SOURCE == "schedule"
+  - when: manual
+  script:
+    - git clone https://gitlab.com/alyraffauf/wallpapers.git
+    - cd wallpapers
+    - git config --global user.email "${GIT_USER_EMAIL:-$GITLAB_USER_EMAIL}"
+    - git config --global user.name "${GIT_USER_NAME:-$GITLAB_USER_NAME}"
+    - nix --extra-experimental-features "nix-command flakes" flake update --commit-lock-file
+    - nix --extra-experimental-features "nix-command flakes" flake check
+    - git push https://${CI_PROJECT_NAMESPACE}:${CI_JOB_TOKEN}@${CI_SERVER_HOST}/${CI_PROJECT_PATH}.git "${CI_DEFAULT_BRANCH}" -o ci.skip || echo "No changes to commit"
+
+"Check formatting":
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+  stage: "Checks"
+  script:
+    - nix --extra-experimental-features "nix-command flakes" fmt -- -c .
+
+"Check evaluation":
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+  stage: "Checks"
+  script:
+    - nix --extra-experimental-features "nix-command flakes" flake check