From b44ef97c893d0bf3d235d89752ddd30e4cc6edd6 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 17 Oct 2024 11:15:55 +0900
Subject: [PATCH] CI: build packages

---
 .github/workflows/main.yml | 46 +++++++++++++++++++++++++++++++++++++-
 rakelib/epoch.rake         |  5 +++++
 2 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 rakelib/epoch.rake

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4786eb1..47236ba 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,12 +19,20 @@ jobs:
     needs: ruby-versions
     name: CI (${{ matrix.ruby }} / ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
+    outputs:
+      chksum_ubuntu:  ${{ steps.build.outputs.chksum_ubuntu }}
+      chksum_windows: ${{ steps.build.outputs.chksum_windows }}
     strategy:
       matrix:
         ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
-        os: [ ubuntu-latest, windows-latest ]
+        os: [ ubuntu-24.04, windows-latest ]
 
     steps:
+    - name: git config
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+        git config --global advice.detachedHead 0
     - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
@@ -33,3 +41,39 @@ jobs:
         bundler-cache: true
     - name: Run the default task
       run: bundle exec rake
+
+    - id: build
+      run: |
+        bundle exec rake build
+        sum="`sha256sum -b pkg/*`"
+        echo "$sum"
+        echo "chksum_${BUILD_PLATFORM%%-*}=$sum" >> $GITHUB_OUTPUT
+        echo "pkg=${GITHUB_REPOSITORY#*/}" >> $GITHUB_OUTPUT
+      if: >-
+        ${{
+        github.event_name == 'push' &&
+        (matrix.ruby == needs.ruby-versions.outputs.latest)
+        }}
+      env:
+        BUILD_PLATFORM: ${{ matrix.os }}
+      shell: bash
+    - name: Upload package
+      uses: actions/upload-artifact@v4
+      with:
+        path: pkg/*.gem
+        name: ${{steps.build.outputs.pkg}}-${{matrix.os}}
+      if: >-
+        steps.build.outputs.pkg &&
+        startsWith(matrix.os, 'ubuntu')
+
+  comp:
+    name: ${{ github.workflow }} result
+    runs-on: ubuntu-latest
+    needs: [build]
+    steps:
+      - run: test "$chksum_ubuntu" = "$chksum_windows"
+        working-directory:
+        shell: bash
+        env:
+          chksum_ubuntu: ${{ needs.build.outputs.chksum_ubuntu }}
+          chksum_windows: ${{ needs.build.outputs.chksum_windows }}
diff --git a/rakelib/epoch.rake b/rakelib/epoch.rake
new file mode 100644
index 0000000..80f27c9
--- /dev/null
+++ b/rakelib/epoch.rake
@@ -0,0 +1,5 @@
+task "build" => "date_epoch"
+
+task "date_epoch" do
+  ENV["SOURCE_DATE_EPOCH"] = IO.popen(%W[git -C #{__dir__} log -1 --format=%ct], &:read).chomp
+end