fix configure.win and update win GHA

Author: Artur-man

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         R: [ '4.3.1', '4.4.1' ]
-        os: [ 'macos-15-intel', 'ubuntu-latest' ]
+        os: [ 'macos-15-intel', 'ubuntu-latest', 'windows-latest']
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.R }} ${{ matrix.os }} build
     env:
@@ -39,18 +39,45 @@ jobs:
         sudo apt-get install -y libcurl4-openssl-dev libssh2-1-dev libharfbuzz-dev libfribidi-dev gh &&
         sudo rm -rf /var/lib/apt/lists/*
     - name: Configuration Information
+      if: runner.os == 'Linux' || runner.os == 'macOS'
       run: |
         mkdir ${R_LIBS}
         c++ --version
         cmake --version
         which R
         R --version
+    - name: Configuration Information (Windows)
+      if: startsWith(matrix.config.os, 'windows')
+      shell: pwsh
+      run: |
+        New-Item -ItemType Directory -Force -Path "$env:R_LIBS" | Out-Null
+        g++ --version
+        cmake --version
+        Get-Command R.exe
+        R.exe --version
     - name: Install R packages
+      if: runner.os == 'Linux' || runner.os == 'macOS'
       run: |
         R -e "install.packages(c('remotes'), lib=c('${R_LIBS}'), repo='https://cloud.r-project.org/')"
+    - name: Install R packages (Windows)
+      if: startsWith(matrix.config.os, 'windows')
+      shell: pwsh
+      run: |
+        Rscript -e "lib <- Sys.getenv('R_LIBS'); lib <- normalizePath(lib, winslash='/', mustWork=FALSE); dir.create(lib, recursive=TRUE, showWarnings=FALSE); install.packages('remotes', lib=lib, repos='https://cloud.r-project.org/')"
+        Rscript.exe -e "install.packages(c('remotes', 'desc'), repos='https://cloud.r-project.org/')"
     - name: Build and test
+      if: runner.os == 'Linux' || runner.os == 'macOS'
       run: |
         set -x
         R -e "remotes::install_git(c('.'), lib=c('${R_LIBS}'), configure.vars=c('"MAKEJ=2"'))"
       env:
         ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS: 2
+    - name: Build and test (Windows)
+      if: startsWith(matrix.config.os, 'windows')
+      shell: pwsh
+      env:
+        ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS: 2
+      run: |
+        $env:MAKEJ="8"
+        $env:ADDITIONAL_SITK_MODULES="-DSimpleITK_USE_ELASTIX=ON"
+        Rcmd.exe INSTALL --build .

configure.win

@@ -22,6 +22,7 @@ if [ -z "$R_HOME" ]; then
   exit 1
 fi
 
+export RTOOLS_HOME="$(ls -d /c/rtools* | head -n 1)" 
 if [ -z "$RTOOLS_HOME" ]; then
   echo "Environment variable \"RTOOLS_HOME\" is not set!" 1>&2
   exit 1
@@ -103,8 +104,7 @@ export MAKEJ
   # Remove ITK-build to save space (if present)
   [ -d ITK-build ] && rm -rf ITK-build
 
-  # Move wrapped R package into the package root using R
-  "${RCALL}" -f "${PKGBASED}/sitkmove.R" --args \
-    "SimpleITK-build/Wrapping/R/Packaging/SimpleITK" \
-    "${PKGBASED}"
+  # Move wrapped R package into the package root
+  # TODO: sitkmove.R fails to move for Windows
+  cp -r SimpleITK-build/Wrapping/R/Packaging/SimpleITK/* "$PKGBASED/."
 )