updated CI

This changes the CI as follows.

- adds a build run and also triggers on every push, not just
PRs, so that we can display badges for the main branch.
- separates all three CI runs into separate actions, so that we can
  display badges (can only be done per action)

Author: pazz

.github/workflows/build.yml

@@ -0,0 +1,19 @@
+name: Build
+on: [push, pull_request] 
+
+jobs: 
+  build: 
+    runs-on: ubuntu-latest 
+
+    steps: 
+    - uses: actions/checkout@v2 
+    - name: Set up Rust 
+      uses: actions-rs/toolchain@v1 
+      with: 
+        toolchain: stable 
+        profile: minimal 
+        override: true 
+    - name: Cache Cargo dependencies
+      uses: Swatinem/rust-cache@v2
+    - name: Build 
+      run: cargo build --verbose 

.github/workflows/clippy.yml

@@ -1,32 +1,19 @@
-name: Clippy Lint Check
+name: Clippy
+on: [pull_request] 
 
-on:
-  pull_request:
-    branches:
-      - main
+jobs: 
+  build: 
+    runs-on: ubuntu-latest 
 
-jobs:
-  clippy:
-    name: Run Clippy & Tests
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          components: clippy
-
-      - name: Cache Cargo dependencies
-        uses: Swatinem/rust-cache@v2
-
-      - name: Run Clippy
-        run: |
-          set -x
-          cargo clippy -- -D warnings
-
-      - name: Run Tests
-        run: |
-          set -x
-          cargo test --all-features --verbose
+    steps: 
+    - uses: actions/checkout@v2 
+    - name: Set up Rust 
+      uses: actions-rs/toolchain@v1 
+      with: 
+        toolchain: stable 
+        profile: minimal 
+        override: true 
+    - name: Cache Cargo dependencies
+      uses: Swatinem/rust-cache@v2
+    - name: Run linter
+      run: cargo clippy -- -D warnings

.github/workflows/test.yml

@@ -0,0 +1,19 @@
+name: Test
+on: [push, pull_request] 
+
+jobs: 
+  build: 
+    runs-on: ubuntu-latest 
+
+    steps: 
+    - uses: actions/checkout@v2 
+    - name: Set up Rust 
+      uses: actions-rs/toolchain@v1 
+      with: 
+        toolchain: stable 
+        profile: minimal 
+        override: true 
+    - name: Cache Cargo dependencies
+      uses: Swatinem/rust-cache@v2
+    - name: Run tests 
+      run: cargo test --all-features --verbose