Add Gitlab CI and badges

Author: ddernon

.gitlab-ci.yml

@@ -0,0 +1,43 @@
+stages:
+  - lint
+  - test
+
+cache:
+  key: 
+    files:
+      - Cargo.lock
+  paths:
+    - .cargo/
+    - target/
+
+clippy:
+  stage: lint
+  image: rust:latest
+  script:
+    - rustup component add clippy
+    - cargo clippy -- -D warnings  # Fail on warnings
+
+rust-stable:
+  stage: test
+  image: rust:latest
+  script:
+    - cargo test --features test
+
+rust-1_58:
+  stage: test
+  image: rust:1.58
+  script:
+    - cargo test --features test
+
+rust-beta:
+  stage: test
+  image: instrumentisto/rust:beta
+  script:
+    - cargo test --features test
+
+rust-nightly:
+  stage: test
+  image: rustlang/rust:nightly
+  allow_failure: true  # Allowed to fail
+  script:
+    - cargo test --features test

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "list-features"
-version = "0.1.0"
+version = "0.1.1-dev"
 edition = "2021"
 rust-version = "1.58"
 
@@ -14,4 +14,4 @@ repository = "https://framagit.org/dder/list-features"
 exclude = ["/.github/", "/.vscode/"]
 
 [features]
-test = []
+test = [] # makes some private functions public for cargo test

readme.md

@@ -1,5 +1,11 @@
 # list-features
 
+[![crates.io](https://img.shields.io/crates/v/list-features.svg)](https://crates.io/crates/list-features)
+[![license](https://img.shields.io/crates/l/list-features.svg)](https://framagit.org/dder/list-features/blob/master/license.txt)
+[![docs.rs](https://docs.rs/list-features/badge.svg)](https://docs.rs/list-features)
+[![pipeline status](https://framagit.org/dder/list-features/badges/master/pipeline.svg)](https://framagit.org/dder/list-features/pipelines)
+[![rustc version](https://img.shields.io/badge/rustc-1.58+-lightgray.svg)](https://rust-lang.org)
+
 Extracts the list of enabled feature flags during compilation. These flags can then be saved and displayed at run-time.
 
 ## Highlights