use full path in ARTIFACT_PATH

Author: davegarthsimpson

.github/workflows/build.yml

@@ -432,10 +432,11 @@ jobs:
           path: ${{ env.BUILD_ARTIFACTS_PATH }}
 
       - name: Save artifact path to variable
+        shell: bash
         run: |
-          # Find the artifact ending with 'Windows_64bit.exe' in the specified download directory
-          ARTIFACT_PATH=$(find ${{ env.BUILD_ARTIFACTS_PATH }} -name "*Windows_64bit.exe")
-          echo "ARTIFACT_PATH=${ARTIFACT_PATH}" >> $GITHUB_ENV
+          ARTIFACT=$(find "${{ env.BUILD_ARTIFACTS_PATH }}" -name "*Windows_64bit.exe" | head -n 1)
+          FULL_PATH=$(cygpath -w $ARTIFACT)
+          echo "ARTIFACT_PATH=$FULL_PATH" >> $GITHUB_ENV
 
       - name: Save Win signing certificate to file
         run: echo "${{ secrets.INSTALLER_CERT_WINDOWS_CER }}" | base64 --decode > ${{ env.INSTALLER_CERT_WINDOWS_CER }}