Merge branch 'master' into 'master'

Added a basic gitlab-ci config.

See merge request danigm/fractal!3

.gitlab-ci.yml

@@ -0,0 +1,49 @@
+stages:
+  - test
+  - lint
+
+before_script:
+- apt-get update -yqq
+- apt-get install -yqq --no-install-recommends build-essential
+- apt-get install -yqq --no-install-recommends libgtk-3-dev
+- apt-get install -yqq libgmp-dev
+# - apt-get install -yqq --no-install-recommends meson
+
+test:stable:
+  # Stable img
+  # https://hub.docker.com/_/rust/
+  image: "rust"
+  script:
+  - rustc --version && cargo --version
+  - cargo build --all
+  - cargo test --all --verbose
+
+test:nightly:
+  # Nightly
+  # https://hub.docker.com/r/rustlang/rust/
+  image: "rustlang/rust:nightly"
+  script:
+  - rustc --version && cargo --version
+  - cargo build --all
+  - cargo test --all --verbose
+  # - cargo bench
+
+# Configure and run rustfmt on nightly
+# Exits and builds fails on bad format
+lint:rustfmt:
+  image: "rustlang/rust:nightly"
+  script:
+  - rustc --version && cargo --version
+  - cargo install rustfmt-nightly
+  - cargo fmt --all -- --write-mode=diff
+  allow_failure: true
+
+# Configure and run clippy on nightly
+# Only fails on errors atm.
+lint:clippy:
+  image: "rustlang/rust:nightly"
+  script:
+  - rustc --version && cargo --version
+  - cargo install clippy
+  - cargo clippy --all
+  allow_failure: true