From dc8591fdbeb39cf643bd097e70dd5493eccaaa99 Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Tue, 22 Apr 2025 17:36:20 -0400
Subject: [PATCH] Use Github Actions to build MSI installer (#3923)

* Re-add steps to build MSI installer.

* Fix name of directory from Azure to GHA.

* We have to build the HTML documentation before we can put it in the MSI.

* Install kramdown as a separate step.

* Specify Ruby version.

* Fix name of variable.

* Install the gfm parser too.
---
 .github/workflows/ci.yml | 82 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3a207bbf80..a055fdd528 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -280,3 +280,85 @@ jobs:
           show: "fail, skip"
           fail_job: true
           print_output: true
+
+      - name: Archive compiled programs
+        run: mkdir exe_archive && cp -r build/Release/*.exe exe_archive/
+
+      - name: Publish Windows no-libs archive
+        uses: actions/upload-artifact@v4.4.0
+        with:
+          name: mlpack-windows-vs17-no-libs
+          path: exe_archive/
+
+      - name: Publish Windows libs archive
+        uses: actions/upload-artifact@v4.4.0
+        with:
+          name: mlpack-windows-vs17
+          path: build/Release/
+
+      - name: Install Ruby for HTML documentation build
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: head
+
+      - name: Build HTML documentation
+        shell: bash
+        run: |
+          gem install kramdown kramdown-parser-gfm
+          DISABLE_HTML_CHECKS=1 ./scripts/build-docs.sh
+
+      - name: Build MSI installer
+        shell: powershell
+        run: |
+          # Preparing installer staging.
+          mkdir dist\win-installer\mlpack-win-installer\Sources\lib
+          cp build\Release\*.lib dist\win-installer\mlpack-win-installer\Sources\lib\
+          cp build\Release\*.exp dist\win-installer\mlpack-win-installer\Sources\lib\
+          cp build\Release\*.dll dist\win-installer\mlpack-win-installer\Sources\
+          cp build\Release\*.exe dist\win-installer\mlpack-win-installer\Sources\
+          cp ${{ github.workspace }}\deps\OpenBLAS.0.2.14.1\lib\native\bin\x64\*.dll dist\win-installer\mlpack-win-installer\Sources\
+          #
+          # Copy documentation.
+          mkdir dist\win-installer\mlpack-win-installer\Sources\doc
+          cp doc\html dist\win-installer\mlpack-win-installer\Sources\doc -recurse
+          #
+          # Copy sources.
+          mkdir dist\win-installer\mlpack-win-installer\Sources\include\mlpack
+          cp src\mlpack.hpp dist\win-installer\mlpack-win-installer\Sources\include
+          cp src\mlpack\*.hpp dist\win-installer\mlpack-win-installer\Sources\include\mlpack
+          cp src\mlpack\core dist\win-installer\mlpack-win-installer\Sources\include\mlpack -recurse
+          cp src\mlpack\methods dist\win-installer\mlpack-win-installer\Sources\include\mlpack -recurse
+          #
+          # Copy examples.
+          cp doc\examples dist\win-installer\mlpack-win-installer\Sources\ -recurse
+          cp src\mlpack\tests\data\german.csv dist\win-installer\mlpack-win-installer\Sources\examples\sample-ml-app\sample-ml-app\data\
+          #
+          # Check current git version or mlpack version.
+          $ver = (Get-Content "src\mlpack\core\util\version.hpp" | where {$_ -like "*MLPACK_VERSION*"});
+          $env:MLPACK_VERSION += $ver[0].substring($ver[0].length - 1, 1) + '.';
+          $env:MLPACK_VERSION += $ver[1].substring($ver[1].length - 1, 1) + '.';
+          $env:MLPACK_VERSION += $ver[2].substring($ver[2].length - 1, 1);
+          #
+          if (Test-Path "src/mlpack/core/util/gitversion.hpp")
+          {
+            $ver = (Get-Content "src/mlpack/core/util/gitversion.hpp");
+            $env:INSTALL_VERSION = $ver.Split('"')[1].Split(' ')[1];
+          }
+          else
+          {
+            $env:INSTALL_VERSION = $env:MLPACK_VERSION;
+          }
+          #
+          # Build the MSI installer.
+          cd dist\win-installer\mlpack-win-installer
+          & 'C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin\MSBuild.exe' `
+              -t:rebuild `
+              -p:Configuration=Release `
+              -p:TreatWarningsAsErrors=True `
+              mlpack-win-installer.wixproj
+
+      - name: Publish MSI installer
+        uses: actions/upload-artifact@v4.4.0
+        with:
+          name: mlpack-windows-installer
+          path: dist/win-installer/mlpack-win-installer/bin/Release/mlpack-windows.msi