Add MacOS on Apple Silicon as a fully supported platform

.github/workflows/nightlies.yml

@@ -85,3 +85,32 @@ jobs:
           type: stream
           topic: ${{ github.repository }} scheduled job failure
           content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.
+
+  arm64-apple-darwin-nightly:
+    name: Build and upload arm64-apple-darwin-nightly to Cloudsmith
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v3
+      - name: install ponyc
+        run: bash .ci-scripts/macOS-arm64-install-pony-tools.bash nightly
+      - name: brew install dependencies
+        run: brew install coreutils
+      - name: pip install dependencies
+        run: pip3 install --upgrade cloudsmith-cli
+      - name: Build and upload
+        run: |
+          export PATH="/tmp/ponyc/bin/:/Library/Frameworks/Python.framework/Versions/3.11/bin/:$PATH"
+          bash .ci-scripts/release/arm64-apple-darwin-nightly.bash
+        env:
+          CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
+      - name: Send alert on failure
+        if: ${{ failure() }}
+        uses: zulip/github-actions-zulip/send-message@b62d5a0e48a4d984ea4fce5dd65ba691963d4db4
+        with:
+          api-key: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_API_KEY }}
+          email: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_EMAIL }}
+          organization-url: 'https://ponylang.zulipchat.com/'
+          to: notifications
+          type: stream
+          topic: ${{ github.repository }} scheduled job failure
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.

.github/workflows/pr.yml

@@ -40,8 +40,8 @@ jobs:
       - name: Verify CHANGELOG
         run: changelog-tool verify
 
-  linux:
-    name: Verify PR builds most recent ponyc release on Linux
+  x86_linux:
+    name: x86_64 Linux
     runs-on: ubuntu-latest
     container:
       image: ghcr.io/ponylang/shared-docker-ci-x86-64-unknown-linux-builder:release
@@ -50,8 +50,8 @@ jobs:
       - name: Test with most recent ponyc release
         run: make test
 
-  windows:
-    name: Verify PR builds most recent ponyc release on Windows
+  x86_windows:
+    name: x86_64 Windows
     runs-on: windows-2022
     steps:
       - uses: actions/checkout@v3
@@ -62,8 +62,8 @@ jobs:
           $env:PATH = 'C:\ponyc\bin;' + $env:PATH;
           .\make.ps1 -Command test 2>&1
 
-  macos:
-    name: Verify PR builds most recent ponyc release on macOS
+  x86_macos:
+    name: x86_64 MacOS
     runs-on: macos-13
     steps:
       - uses: actions/checkout@v3
@@ -75,3 +75,17 @@ jobs:
         run: |
           export PATH="/tmp/ponyc/bin/:$PATH"
           make test
+
+  arm64_macos:
+    name: arm64 MacOS
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v3
+      - name: install ponyc
+        run: bash .ci-scripts/macOS-arm64-install-pony-tools.bash nightly
+      - name: brew install dependencies
+        run: brew install coreutils
+      - name: Test with most recent ponyc release
+        run: |
+          export PATH="/tmp/ponyc/bin/:$PATH"
+          make test

.github/workflows/release.yml

@@ -59,6 +59,26 @@ jobs:
         env:
           CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
 
+  arm64-apple-darwin-release:
+    name: Build and upload arm64-apple-darwin-release to Cloudsmith
+    runs-on: macos-14
+    needs:
+      - pre-artefact-creation
+    steps:
+      - uses: actions/checkout@v3
+      - name: install ponyc
+        run: bash .ci-scripts/macOS-arm64-install-pony-tools.bash nightly
+      - name: brew install dependencies
+        run: brew install coreutils
+      - name: pip install dependencies
+        run: pip3 install --upgrade cloudsmith-cli
+      - name: Build and upload
+        run: |
+          export PATH="/tmp/ponyc/bin/:/Library/Frameworks/Python.framework/Versions/3.11/bin/:$PATH"
+          bash .ci-scripts/release/arm64-apple-darwin-release.bash
+        env:
+          CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
+
   x86-64-pc-windows-msvc-release:
     name: Build and upload x86-64-pc-windows-msvc-release to Cloudsmith
     runs-on: windows-2022
@@ -121,6 +141,7 @@ jobs:
       - x86-64-unknown-linux-release
       - x86-64-pc-windows-msvc-release
       - x86-64-apple-darwin-release
+      - arm64-apple-darwin-release
       - build-release-docker-images
       - generate-documentation
     steps:

.release-notes/m1-again.md

@@ -0,0 +1,5 @@
+## Add MacOS on Apple Silicon as a fully supported platform
+
+In August of 2023, we had to drop MacOS on Apple Silicon as we lost our build environment when we switched off of CirrusCI to GitHub Actions. GitHub just added MacOS Apple Silicon build environments, so we are bring back MacOS on Apple Silicon as a fully supported platform.
+
+corral is once again available as a compiled arm64 MacOS binary.