Nouvelle CI permettant de faire plus de tests

La CI teste si le formatage est correcte et construit une image
docker si un fichier Dockerfile est présent dans le dossier. De
plus, elle execute les jobs en paralelle pour que l'execution soit
plus rapide

.gitlab-ci.yml

@@ -1,13 +1,62 @@
 stages:
   - checks
+  - build
 
 cargo-test:
+  image: rust:latest
+  stage: checks
+  script:
+    - cargo test --workspace
+  rules:
+    - exists:
+      - Cargo.toml
+
+cargo-clippy:
   image: rust:latest
   stage: checks
   before_script:
-    - apt-get update && apt-get install libasound2-dev libudev-dev -y
     - rustup component add clippy
   script:
-    - rustc --version && cargo --version
     - cargo clippy --workspace
-    - cargo test --workspace
+  rules:
+    - exists:
+      - Cargo.toml
+
+cargo-fmt:
+  image: rust:latest
+  stage: checks
+  before_script:
+    - rustup install nightly
+  script:
+    - cargo +nightly fmt --check
+  rules:
+    - exists:
+      - Cargo.toml
+
+development-image:
+  image: docker:latest
+  stage: build
+  services:
+    - docker:dind
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build -t $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+  rules:
+    - if: $CI_COMMIT_BRANCH != $CI_DEFAULT_BRANCH
+    - exists:
+      - Dockerfile
+
+production-image:
+  image: docker:latest
+  stage: build
+  services:
+    - docker:dind
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build -t $CI_REGISTRY_IMAGE:latest
+    - docker push $CI_REGISTRY_IMAGE:latest
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+    - exists:
+      - Dockerfile

rustfmt.toml

@@ -0,0 +1,19 @@
+use_try_shorthand = true
+use_field_init_shorthand = true
+use_small_heuristics = "Max"
+
+version = "Two"
+error_on_line_overflow = true
+error_on_unformatted = true
+
+format_code_in_doc_comments = true
+format_macro_bodies = true
+format_macro_matchers = true
+format_strings = true
+
+imports_granularity = "Module"
+group_imports = "StdExternalCrate"
+
+normalize_doc_attributes = true
+normalize_comments = true
+wrap_comments = true