Merge pull request #6 from actions-rust-lang/jonasbb/issue5

Fixes #5

CHANGELOG.md

@@ -7,6 +7,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.3.1] - 2022-08-14
+
+### Changed
+
+* Use the sparse-registry on nightly for faster access to the crate registry on nightly.
+    <https://internals.rust-lang.org/t/call-for-testing-cargo-sparse-registry/16862>
+
+## [1.3.0] - 2022-07-30
+
+### Added
+
+* An option to disable configuring Rust cache.
+    Thanks to @filips123 for the PR.
+
 ## [1.2.1] - 2022-07-29
 
 ### Fixed

README.md

@@ -50,6 +50,7 @@ All input values are ignored if a toolchain file exists.
 | `toolchain`  | Rustup toolchain specifier e.g. `stable`, `nightly`, `1.42.0`.                    | stable  |
 | `target`     | Additional target support to install e.g. `wasm32-unknown-unknown`                |         |
 | `components` | Comma-separated string of additional components to install e.g. `clippy, rustfmt` |         |
+| `cache`      | Automatically configure Rust cache (using `Swatinem/rust-cache`)                  | true    |
 
 ## Outputs
 

action.yml

@@ -22,6 +22,10 @@ inputs:
   components:
     description: "Comma-separated list of components to be additionally installed"
     required: false
+  cache:
+    description: "Automatically configure Rust cache"
+    required: false
+    default: "true"
 
 outputs:
   rustc-version:
@@ -58,6 +62,9 @@ runs:
         echo "CARGO_TERM_COLOR=always" >> $GITHUB_ENV
         echo "RUST_BACKTRACE=short" >> $GITHUB_ENV
         echo "RUSTFLAGS=-D warnings" >> $GITHUB_ENV
+        # Enable faster sparse index on nightly
+        # https://internals.rust-lang.org/t/call-for-testing-cargo-sparse-registry/16862
+        echo "CARGO_UNSTABLE_SPARSE_REGISTRY=true" >> $GITHUB_ENV
       shell: bash
     - name: "Install Rust Problem Matcher"
       run: echo "::add-matcher::${{ github.action_path }}/rust.json"
@@ -100,4 +107,5 @@ runs:
       shell: bash
 
     - name: "Setup Rust Caching"
+      if: inputs.cache == 'true'
       uses: Swatinem/rust-cache@v2