add publih workflow

.github/actions/publish/action.yml

@@ -0,0 +1,33 @@
+name: 'publish'
+description: 'Publishes Rust library to crates.io'
+inputs:
+  crates-token:
+    description: 'used for authenticating towards crates.io'
+    required: true
+  version:
+    description: 'the version to release under (e.g. `1.2.3-dev.1`)'
+    required: true
+  dry-run:
+    description: "'true' = only log potential result; 'false' = publish'"
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Setup Rust
+      uses: './.github/actions/setup'
+      with:
+        os: ${{ runner.os }}
+
+    - name: Install cargo-release
+      shell: bash
+      run: cargo install --version =0.25 cargo-release
+
+    - name: Publish library to crates.io
+      shell: bash
+      run: |
+        echo "dry-run: '${{ inputs.dry-run }}'"
+        echo "version: '${{ inputs.version }}'"
+        cargo login ${{ inputs.crates-token }}
+        cargo release config
+        cargo release version --verbose --execute --no-confirm ${{ inputs.version }}
+        cargo release publish --verbose $(if [ "${{ inputs.dry-run }}" = "false" ]; then echo --execute --no-confirm; fi)

.github/actions/setup/action.yml

@@ -0,0 +1,49 @@
+name: 'rust-setup'
+description: 'Prepares a rust environment and relevant caches.'
+inputs:
+  target:
+    description: 'Additionally install specified target for this toolchain, ex. x86_64-apple-darwin'
+    required: false
+  toolchain:
+    description: 'Toolchain to install. Default: stable.'
+    required: false
+    default: stable
+  components:
+    description: 'Comma-separated string of additional components to install e.g. `clippy`, `rustfmt`'
+    required: false
+  os:
+    description: 'OS of the runner, used for cache key construction.'
+    required: true
+runs:
+  using: "composite"
+  steps:
+
+    - name: Setup rust toolchain
+      shell: bash
+      run: |
+
+        if ! rustup self update; then
+            echo "rustup self update failed"
+        fi
+        
+        TARGET=${{ inputs.target }}
+        if [[ $TARGET != '' ]]; then
+          rustup target add $TARGET
+        fi
+
+        rustup update
+        
+        TOOLCHAIN=${{ inputs.toolchain }}
+        if [[ $TOOLCHAIN != 'stable' ]]; then
+           rustup toolchain install $TOOLCHAIN
+        fi
+
+        COMPONENTS=${{ inputs.components }}
+        if [[ $COMPONENTS != '' ]]; then
+          for i in ${COMPONENTS//,/ }
+          do
+            rustup component add $i $(if [ $TOOLCHAIN != '' ]; then echo --toolchain $TOOLCHAIN; fi)
+          done
+        fi
+        
+        rustup show

.github/workflows/rust.yml

@@ -16,15 +16,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
-    - name: Install rust toolchain
-      uses: actions-rs/toolchain@v1
+    - name: Setup Rust
+      uses: './.github/actions/setup'
       with:
+        os: ${{ runner.os }}
         toolchain: nightly
         components: clippy,rustfmt
-        override: true
-        profile: minimal
 
     - name: Run cargo test
       uses: actions-rs/cargo@v1