Update PowerShell-Analysis.yml

Author: Miiraak

.github/workflows/PowerShell-Analysis.yml

@@ -116,3 +116,76 @@ jobs:
             git pull --rebase origin "$BRANCH"
             git push origin HEAD:"$BRANCH"
           fi
+
+  pr-powershell-analysis:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install PSScriptAnalyzer
+        run: pwsh -Command "Install-Module -Name PSScriptAnalyzer -Force -Scope CurrentUser"
+
+      - name: List changed .ps1 files in PR
+        id: files
+        run: |
+          git fetch origin ${{ github.base_ref }}
+          CHANGED=$(git diff --name-only origin/${{ github.base_ref }} ${{ github.sha }} | grep -E '\.ps1$' || true)
+          echo "changed_ps1<<EOF" >> $GITHUB_OUTPUT
+          echo "$CHANGED" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      - name: Run PSScriptAnalyzer on changed files
+        id: psa
+        run: |
+          FILES="${{ steps.files.outputs.changed_ps1 }}"
+          if [ -z "$FILES" ]; then
+            echo "No changed PowerShell files to analyze."
+            echo "psa_md<<EOF" >> $GITHUB_OUTPUT
+            echo "## PSScriptAnalyzer Results" >> $GITHUB_OUTPUT
+            echo "" >> $GITHUB_OUTPUT
+            echo "No PowerShell files changed in this PR." >> $GITHUB_OUTPUT
+            echo "EOF" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+          echo "$FILES" | xargs pwsh -Command "Invoke-ScriptAnalyzer -Path \$args -Recurse | ConvertTo-Json -Depth 5" > psa_result.json
+
+          cat <<'EOF' > format_psa.ps1
+          $results = Get-Content psa_result.json | ConvertFrom-Json
+          $md = @()
+          $md += '## PSScriptAnalyzer Results'
+          $md += ''
+          if ($results.Count -eq 0) {
+            $md += 'No issues detected.'
+          } else {
+            $md += '| File | Line | Rule | Severity | Message |'
+            $md += '| ---- | ---- | ---- | -------- | ------- |'
+            foreach ($item in $results) {
+              $file = if ($item.ScriptName) { $item.ScriptName } else { '' }
+              $line = if ($item.Line) { $item.Line } else { '' }
+              $rule = if ($item.RuleName) { $item.RuleName } else { '' }
+              $severity = switch ($item.Severity) { 0 {'Info'}; 1 {'Warning'}; 2 {'Error'}; default { $item.Severity } }
+              $msg = ($item.Message -replace '\|','\\|') -replace '\r?\n',' '
+              if ($msg.Length -gt 120) { $msg = $msg.Substring(0,117) + '...' }
+              $md += "| $file | $line | $rule | $severity | $msg |"
+            }
+          }
+          Set-Content -Path psa_result.md -Value ($md -join "`n")
+          EOF
+
+          pwsh -File format_psa.ps1
+
+          echo "psa_md<<EOF" >> $GITHUB_OUTPUT
+          cat psa_result.md >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      - name: Comment PR with results
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          issue-number: ${{ github.event.pull_request.number }}
+          body: ${{ steps.psa.outputs.psa_md }}