capture-hw-details.sh: get igc64.dll version from the currenlty loaded graphics driver

scripts/capture-hw-details.sh

@@ -20,7 +20,41 @@ done
 
 function libigc_version {
     if [[ $OSTYPE = msys ]]; then
-        powershell -Command "(Get-ChildItem c:/Windows/System32/DriverStore/FileRepository/*/igc64.dll).VersionInfo.ProductVersion"
+                powershell -Command "
+          try {
+            \$intel = Get-PnpDevice -Class Display -PresentOnly | Where-Object { \$_.FriendlyName -like '*Intel*' } | Select-Object -First 1
+            if (-not \$intel) { throw 'No Intel display adapter' }
+
+            # Get the bound signed driver (gives us oemXX.inf)
+            \$drv = Get-CimInstance Win32_PnPSignedDriver | Where-Object { \$_.DeviceID -eq \$intel.InstanceId } | Select-Object -First 1
+            if (-not \$drv) { throw 'No signed driver record' }
+            \$oemInf = \$drv.InfName   # e.g. oem42.inf
+
+            # Extract the Original Name from the oem*.inf (DCH packages keep it)
+            \$origLine = Select-String -Path (Join-Path \$env:windir 'INF' \$oemInf) -Pattern 'Original Name' -ErrorAction SilentlyContinue | Select-Object -First 1
+            if (\$origLine) {
+              \$originalInf = (\$origLine.Line -replace '.*Original Name\\s*-\\s*','').Trim()
+            } else {
+              # Fallback: if missing, guess by scanning for iigd_dch.inf style directories containing igc64.dll
+              \$originalInf = 'iigd_dch.inf'
+            }
+
+            # Locate matching driver store directory
+            \$dir = Get-ChildItem (Join-Path \$env:windir 'System32\\DriverStore\\FileRepository') -Directory -Filter \"\$originalInf*amd64*\" 2>\$null |
+                   Where-Object { Test-Path (Join-Path \$_.FullName 'igc64.dll') } |
+                   Sort-Object LastWriteTime -Descending |
+                   Select-Object -First 1
+
+            if (-not \$dir) { throw 'No driver store directory with igc64.dll' }
+
+            \$dll = Join-Path \$dir.FullName 'igc64.dll'
+            if (-not (Test-Path \$dll)) { throw 'igc64.dll missing in chosen directory' }
+
+            (Get-Item \$dll).VersionInfo.ProductVersion
+          } catch {
+            'Not Found'
+          }
+        "
         return
     fi
     if dpkg-query --show libigc2 &> /dev/null; then