Add cached install of Intel oneAPI

Author: gwauge

.github/workflow_scripts/oneapi_cache_exclude_linux.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# SPDX-FileCopyrightText: 2020 Intel Corporation
+#
+# SPDX-License-Identifier: MIT
+
+wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+echo "deb https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
+sudo apt-get update -o Dir::Etc::sourcelist="sources.list.d/oneAPI.list" -o APT::Get::List-Cleanup="0"

.github/workflow_scripts/oneapi_setup_apt_repo_linux.sh

@@ -1,17 +1,52 @@
+# based on: https://gist.github.com/scivision/b22455e3322826a1c385d5d4b1a8d25e
+
 name: Build project
 
-on: [push]
+env:
+    LINUX_CPP_COMPONENTS: intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic
+    # https://github.com/oneapi-src/oneapi-ci/blob/master/.github/workflows/build_all.yml
+    CTEST_NO_TESTS_ACTION: error
+
+on:
+    push:
+        paths:
+            - "**.cpp"
+            - "**.hpp"
+            - "CMakeLists.txt"
+            - ".github/workflows/*.yaml"
+            - "build.sh"
 
 jobs:
-    build:
+    linux:
         runs-on: ubuntu-latest
 
         steps:
-            - name: Checkout repository
-              uses: actions/checkout@v2
+            # must be first as we're using scripts from this repo
+            - uses: actions/checkout@v4
+
+            - name: cache install oneAPI
+              id: cache-install
+              uses: actions/cache@v3
+              with:
+                  path: |
+                      /opt/intel/oneapi
+                  key: install-apt
 
-            - name: Set up environment
-              run: sudo apt-get update && sudo apt-get install -y build-essential
+            - name: non-cache install oneAPI
+              if: steps.cache-install.outputs.cache-hit != 'true'
+              timeout-minutes: 10
+              run: |
+                  sh -c .github/workflow_scripts/oneapi_setup_apt_repo_linux.sh
+                  sudo apt install ${{ env.LINUX_CPP_COMPONENTS }}
+
+            - name: Setup Intel oneAPI environment
+              run: |
+                  source /opt/intel/oneapi/setvars.sh
+                  printenv >> $GITHUB_ENV
 
             - name: Run build script
               run: ./build.sh
+
+            - name: exclude unused files from cache
+              if: steps.cache-install.outputs.cache-hit != 'true'
+              run: sh -c .github/workflow_scripts/oneapi_cache_exclude_linux.sh