ci: parallelize package builds and publish with docs deploy

Refactor the CI workflow to build distributable packages in
parallel with checks, then upload them to the Pages deployment
alongside documentation. Simplify artifact naming to use only the
OS rather than commit SHA and date, and add SHA-256 checksums.

1 files changed, 31 insertions, 23 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57af41e..90e7d57 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,20 +38,9 @@ jobs:
           name: docs-test-result-${{ matrix.os }}.md
           path: .temp/DOCS-TEST-RESULT.md
 
-  Move-Unreleased-Tag:
-    if: github.ref == 'refs/heads/main'
-    needs: [Check]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v7
-        with:
-          fetch-depth: 0
-      - run: |
-          git tag -f unreleased
-          git push origin unreleased --force
-
-  Package-Mling:
-    needs: [Move-Unreleased-Tag]
+  # Build the distributable packages in parallel with the checks, so that the
+  # `unreleased` tag and the Pages deployment always publish fresh artifacts.
+  Build:
     strategy:
       fail-fast: false
       matrix:
@@ -61,7 +50,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions-rust-lang/setup-rust-toolchain@v1
 
-      - name: Compute artifact metadata
+      - name: Compute package metadata
         id: metadata
         shell: bash
         run: |
@@ -71,8 +60,6 @@ jobs:
             macOS) os="mac" ;;
           esac
           echo "os=$os" >> "$GITHUB_OUTPUT"
-          echo "short_sha=${GITHUB_SHA:0:8}" >> "$GITHUB_OUTPUT"
-          echo "date=$(date +%y-%m-%d)" >> "$GITHUB_OUTPUT"
 
       - name: Install mling
         shell: bash
@@ -84,21 +71,36 @@ jobs:
           fi
 
       - name: Package mling
-        id: package
         shell: bash
         run: |
           mkdir -p dist
-          name="mling-${{ steps.metadata.outputs.os }}-${{ steps.metadata.outputs.short_sha }}-${{ steps.metadata.outputs.date }}.tar.gz"
+          name="mling-${{ steps.metadata.outputs.os }}.tar.gz"
           tar -czf "dist/$name" -C .temp/mling .
-          echo "artifact_name=${name%.tar.gz}" >> "$GITHUB_OUTPUT"
+          if command -v sha256sum >/dev/null 2>&1; then
+            (cd dist && sha256sum "$name" > "$name.sha256")
+          else
+            (cd dist && shasum -a 256 "$name" > "$name.sha256")
+          fi
 
-      - name: Upload mling artifact
+      - name: Upload mling package
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ steps.package.outputs.artifact_name }}
-          path: dist/mling-*.tar.gz
+          name: mling-${{ steps.metadata.outputs.os }}-pkg
+          path: dist/
           if-no-files-found: error
 
+  Move-Unreleased-Tag:
+    if: github.ref == 'refs/heads/main'
+    needs: [Check, Build]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          fetch-depth: 0
+      - run: |
+          git tag -f unreleased
+          git push origin unreleased --force
+
   Deploy-Github-Pages:
     needs: [Move-Unreleased-Tag]
     permissions:
@@ -129,6 +131,12 @@ jobs:
       - name: Delete .temp directory before deployment
         run: rm -rf .temp
 
+      - name: Download mling packages
+        uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+
       - name: Setup Pages
         uses: actions/configure-pages@v5