Merge pull request #2 from humbletim/add-support-for-latest

Add support for `version: latest`

Author: humbletim

.github/workflows/ci.yml

@@ -7,6 +7,10 @@ on:
           description: 'Enable additional CI tests'
           required: false
           default: false
+        version:
+          description: 'Vulkan SDK Version'
+          required: true
+          default: '1.3.204.0'
 jobs:
   setup-all-matrix:
     if: ${{ github.event.inputs.extra_tests == 'true' || github.event.inputs.extra_tests == 'matrix' }}
@@ -18,7 +22,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ./
         with:
-          version: 1.3.204.0
+          version: ${{ github.event.inputs.version }}
           cache: true
       - name: Test Vulkan SDK Install
         shell: bash

README.md

@@ -1,4 +1,4 @@
-# install-vulkan-sdk v1
+# install-vulkan-sdk v1.1
 
 [![test install-vulkan-sdk](https://github.com/humbletim/install-vulkan-sdk/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/humbletim/install-vulkan-sdk/actions/workflows/ci.yml)
 
@@ -8,14 +8,14 @@ This action automatically downloads and installs the Vulkan SDK development envi
 
 ```yaml
   -name: Install Vulkan SDK
-   uses: humbletim/install-vulkan-sdk@v1
+   uses: humbletim/install-vulkan-sdk@v1.1
    with:
      version: 1.3.204.0
      cache: true
 ```
 
 Parameters:
-- *version* (required): N.N.N.N style Vulkan SDK release number.
+- *version* (required): `N.N.N.N` style Vulkan SDK release number (or `latest` to use most recent official release).
 - *cache* (optional; default=false): boolean indicating whether to cache the downloaded installer file between builds.
 
 ### SDK Revisions

action.yml

@@ -27,10 +27,18 @@ runs:
           Windows|MINGW*) os=windows ; basedir=$(pwd -W) ;;
           *) echo "unknown runner_os: $runner_os" ; exit 7 ; ;;
         esac
-        test -d $basedir/VULKAN_SDK || mkdir -v $basedir/VULKAN_SDK
+        version=${VULKAN_SDK_VERSION:-${{ inputs.version }}}
+        sdk_dir=${VULKAN_SDK:-$basedir/VULKAN_SDK}
+        test -d $sdk_dir || mkdir -pv $sdk_dir
+        if [[ $version == 'latest' ]] ; then
+          url=https://vulkan.lunarg.com/sdk/latest/$os.txt
+          echo "note: resolving '$version' for '$os' via webservices lookup: $url" >&2
+          version=$(curl -sL https://vulkan.lunarg.com/sdk/latest/$os.txt)
+          test -n "$version" || { echo "could not resolve latest version" ; exit 9 ; }
+        fi
         (
-          echo VULKAN_SDK=$basedir/VULKAN_SDK
-          echo VULKAN_SDK_VERSION=${{ inputs.version }}
+          echo VULKAN_SDK=$sdk_dir
+          echo VULKAN_SDK_VERSION=$version
           echo VULKAN_SDK_PLATFORM=$os
         ) | tee -a $GITHUB_ENV
 
@@ -40,7 +48,7 @@ runs:
       uses: actions/cache@v2
       with:
         path: vulkan_sdk.*
-        key: ${{ runner.os }}-vulkan-prebuilt-sdk-${{ inputs.cache }}-${{ inputs.version }}
+        key: ${{ runner.os }}-vulkan-prebuilt-sdk-${{ inputs.cache }}-${{ env.VULKAN_SDK_VERSION }}
 
     - name: Download Vulkan SDK
       shell: bash