Streamline the push and build process

.gitlab-ci.yml

@@ -3,6 +3,17 @@ stages:
   - check
   - trigger
 
+include:
+  # Low-effort, we can always do lint checks, validations, and so forth
+  - local: .gitlab/always.yml
+  # Actual download of ISOs and building of images. This should only be
+  # done some of the time
+  - local: .gitlab/build.yml
+    rules:
+      - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      - if: $CI_PIPELINE_SOURCE == "tag"
+      - if: $CI_COMMIT_BRANCH == "main"
+
 variables:
   PACKER_CONFIG_DIR: ./packer_config/
   PACKER_CACHE_DIR: ./cache/
@@ -11,66 +22,3 @@ default:
   image: registry.thehellings.com/greg/ci-images/vm-test:latest
   tags:
     - nix
-
-generate:
-  stage: generate
-  artifacts:
-    paths:
-      - distros/**/*.pkrvars.hcl
-    reports:
-      dotenv: build.env
-  script: nix run ".#generate"
-
-continue:
-  stage: generate
-  artifacts:
-    paths:
-      - .gitlab-ci-build.yml
-  script:
-    - nix build ".#continue"
-    - cp result .gitlab-ci-build.yml
-    - cat result
-
-shellcheck:
-  stage: generate
-  script: nix run ".#shellcheck"
-
-flake-check:
-  stage: generate
-  script: nix flake check
-
-validate:
-  stage: check
-  needs:
-    - generate
-  cache:
-    - key:
-        files:
-          - sources/build.pkr.hcl
-      paths:
-        - ./packer_config/
-  script: nix run ".#validate"
-
-# Makes sure that all of the ISO files we are looking for are
-# present on the S3 buckets that we use
-downloads:
-  stage: check
-  retry: 2
-  needs:
-    - generate
-  cache:
-    - key:
-        files:
-          - sources/build.pkr.hcl
-      paths:
-        - ./packer_config/
-  script: nix run ".#cache"
-
-trigger:
-  stage: trigger
-  trigger:
-    include:
-      - artifact: .gitlab-ci-build.yml
-        job: continue
-  variables:
-    PARENT_PIPELINE_ID: $CI_PIPELINE_ID

.gitlab/always.yml

@@ -0,0 +1,38 @@
+generate:
+  stage: generate
+  artifacts:
+    paths:
+      - distros/**/*.pkrvars.hcl
+    reports:
+      dotenv: build.env
+  script: nix run ".#generate"
+
+continue:
+  stage: generate
+  artifacts:
+    paths:
+      - .gitlab-ci-build.yml
+  script:
+    - nix build ".#continue"
+    - cp result .gitlab-ci-build.yml
+    - cat result
+
+shellcheck:
+  stage: generate
+  script: nix run ".#shellcheck"
+
+flake-check:
+  stage: generate
+  script: nix flake check
+
+validate:
+  stage: check
+  needs:
+    - generate
+  cache:
+    - key:
+        files:
+          - sources/build.pkr.hcl
+      paths:
+        - ./packer_config/
+  script: nix run ".#validate"

.gitlab/build.yml

@@ -0,0 +1,27 @@
+# These jobs actually fetch the downloads and trigger the
+# target builds. I don't want to do that on every single push,
+# but only when I'm part of a merge request or release event
+
+# Makes sure that all of the ISO files we are looking for are
+# present on the S3 buckets that we use
+downloads:
+  stage: check
+  retry: 2
+  needs:
+    - generate
+  cache:
+    - key:
+        files:
+          - sources/build.pkr.hcl
+      paths:
+        - ./packer_config/
+  script: nix run ".#cache"
+
+trigger:
+  stage: trigger
+  trigger:
+    include:
+      - artifact: .gitlab-ci-build.yml
+        job: continue
+  variables:
+    PARENT_PIPELINE_ID: $CI_PIPELINE_ID