From 4ed2f8c8b18cb7eda15aa89530da667a9f324930 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 14 Nov 2025 07:28:59 +0000
Subject: [PATCH 1/5] Initial plan


From 6766ff1cf804faba1b52986004d7f79e48b69430 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 14 Nov 2025 07:33:27 +0000
Subject: [PATCH 2/5] Add GitHub Action for trailing whitespace check on PRs

Co-authored-by: softworkz <4985349+softworkz@users.noreply.github.com>
---
 .../workflows/trailing-whitespace-check.yml   | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 .github/workflows/trailing-whitespace-check.yml

diff --git a/.github/workflows/trailing-whitespace-check.yml b/.github/workflows/trailing-whitespace-check.yml
new file mode 100644
index 00000000..e00d1d02
--- /dev/null
+++ b/.github/workflows/trailing-whitespace-check.yml
@@ -0,0 +1,80 @@
+name: Trailing Whitespace Check
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  check-trailing-whitespace:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Check for trailing whitespace
+      run: |
+        echo "Checking for trailing whitespace in changed files..."
+
+        # Get the base branch
+        BASE_SHA="${{ github.event.pull_request.base.sha }}"
+        HEAD_SHA="${{ github.event.pull_request.head.sha }}"
+
+        # Get list of changed files (excluding deleted files)
+        CHANGED_FILES=$(git diff --name-only --diff-filter=d "$BASE_SHA" "$HEAD_SHA")
+
+        if [ -z "$CHANGED_FILES" ]; then
+          echo "No files to check."
+          exit 0
+        fi
+
+        # File patterns to check (text files)
+        PATTERNS="\.cs$|\.csproj$|\.sln$|\.json$|\.yml$|\.yaml$|\.md$|\.sh$|\.ps1$|\.cmd$|\.txt$|\.xml$|\.config$|\.props$|\.targets$|\.js$|\.ts$|\.html$|\.css$|\.scss$"
+
+        # Directories and file patterns to exclude
+        EXCLUDE_PATTERNS="(^|\/)(\.|node_modules|bin|obj|artifacts|packages|\.vs|\.nuke\/temp)($|\/)"
+
+        ERRORS_FOUND=0
+        TEMP_FILE=$(mktemp)
+
+        while IFS= read -r file; do
+          # Skip if file doesn't exist (shouldn't happen with --diff-filter=d, but just in case)
+          if [ ! -f "$file" ]; then
+            continue
+          fi
+
+          # Check if file matches patterns to check
+          if ! echo "$file" | grep -qE "$PATTERNS"; then
+            continue
+          fi
+
+          # Check if file should be excluded
+          if echo "$file" | grep -qE "$EXCLUDE_PATTERNS"; then
+            continue
+          fi
+
+          # Check for trailing whitespace
+          if grep -n '[[:space:]]$' "$file" > /dev/null 2>&1; then
+            echo "❌ Trailing whitespace found in: $file"
+            grep -n '[[:space:]]$' "$file" | head -10
+            if [ $(grep -c '[[:space:]]$' "$file") -gt 10 ]; then
+              echo "   ... and $(($(grep -c '[[:space:]]$' "$file") - 10)) more lines"
+            fi
+            echo "1" >> "$TEMP_FILE"
+          fi
+        done <<< "$CHANGED_FILES"
+
+        ERRORS_FOUND=$(wc -l < "$TEMP_FILE" 2>/dev/null || echo "0")
+        rm -f "$TEMP_FILE"
+
+        if [ "$ERRORS_FOUND" -gt 0 ]; then
+          echo ""
+          echo "❌ Found trailing whitespace in $ERRORS_FOUND file(s)."
+          echo "Please remove trailing whitespace from the files listed above."
+          exit 1
+        else
+          echo "✅ No trailing whitespace found in changed files."
+          exit 0
+        fi

From 3090f44435c6c7e80d3342feee1d981bbd25932e Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 14 Nov 2025 07:35:46 +0000
Subject: [PATCH 3/5] Add explicit permissions to trailing whitespace check
 workflow

Co-authored-by: softworkz <4985349+softworkz@users.noreply.github.com>
---
 .github/workflows/trailing-whitespace-check.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/trailing-whitespace-check.yml b/.github/workflows/trailing-whitespace-check.yml
index e00d1d02..59804218 100644
--- a/.github/workflows/trailing-whitespace-check.yml
+++ b/.github/workflows/trailing-whitespace-check.yml
@@ -7,6 +7,8 @@ on:
 jobs:
   check-trailing-whitespace:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
 
     steps:
     - name: Checkout code

From 6f4e1f0b24b822e8c3bcb9fb6cd0412ec218ad00 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 14 Nov 2025 08:03:43 +0000
Subject: [PATCH 4/5] Simplify PATTERNS and add demo files with trailing
 whitespace

Co-authored-by: softworkz <4985349+softworkz@users.noreply.github.com>
---
 .../workflows/trailing-whitespace-check.yml   |  2 +-
 src/ElectronNET.CLI/TrailingWhitespaceDemo.cs | 24 +++++++++++++++++++
 .../test-trailing-whitespace.html             | 14 +++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
 create mode 100644 src/ElectronNET.WebApp/test-trailing-whitespace.html

diff --git a/.github/workflows/trailing-whitespace-check.yml b/.github/workflows/trailing-whitespace-check.yml
index 59804218..23b08fc3 100644
--- a/.github/workflows/trailing-whitespace-check.yml
+++ b/.github/workflows/trailing-whitespace-check.yml
@@ -33,7 +33,7 @@ jobs:
         fi
 
         # File patterns to check (text files)
-        PATTERNS="\.cs$|\.csproj$|\.sln$|\.json$|\.yml$|\.yaml$|\.md$|\.sh$|\.ps1$|\.cmd$|\.txt$|\.xml$|\.config$|\.props$|\.targets$|\.js$|\.ts$|\.html$|\.css$|\.scss$"
+        PATTERNS="\.cs$|\.csproj$|\.sln$|\.ts$|\.html$|\.css$|\.scss$"
 
         # Directories and file patterns to exclude
         EXCLUDE_PATTERNS="(^|\/)(\.|node_modules|bin|obj|artifacts|packages|\.vs|\.nuke\/temp)($|\/)"
diff --git a/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs b/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
new file mode 100644
index 00000000..ad4f7c75
--- /dev/null
+++ b/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
@@ -0,0 +1,24 @@
+using System;
+
+namespace ElectronNET.TestDemo
+{
+    /// <summary>
+    /// This is a demo class to test trailing whitespace detection.  
+    /// </summary>
+    public class TrailingWhitespaceDemo
+    {
+        // This line has trailing spaces at the end  
+        private string demoField;  
+
+        public TrailingWhitespaceDemo()
+        {
+            demoField = "Hello World";  
+        }
+
+        public void DemoMethod()  
+        {
+            Console.WriteLine("This demonstrates the trailing whitespace check.");  
+            // The workflow will detect these trailing spaces  
+        }  
+    }
+}
diff --git a/src/ElectronNET.WebApp/test-trailing-whitespace.html b/src/ElectronNET.WebApp/test-trailing-whitespace.html
new file mode 100644
index 00000000..e417e6bc
--- /dev/null
+++ b/src/ElectronNET.WebApp/test-trailing-whitespace.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Trailing Whitespace Test</title>  
+</head>
+<body>
+    <h1>Demo Page</h1>  
+    <p>This file has trailing whitespace to demonstrate the check.</p>  
+    <div class="container">  
+        <span>Content here</span>  
+    </div>
+</body>
+</html>

From 5d5bda02781adaf46e65501c2502ed6534cff4bb Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 14 Nov 2025 08:22:01 +0000
Subject: [PATCH 5/5] Remove demo files with trailing whitespace

Co-authored-by: softworkz <4985349+softworkz@users.noreply.github.com>
---
 src/ElectronNET.CLI/TrailingWhitespaceDemo.cs | 24 -------------------
 .../test-trailing-whitespace.html             | 14 -----------
 2 files changed, 38 deletions(-)
 delete mode 100644 src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
 delete mode 100644 src/ElectronNET.WebApp/test-trailing-whitespace.html

diff --git a/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs b/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
deleted file mode 100644
index ad4f7c75..00000000
--- a/src/ElectronNET.CLI/TrailingWhitespaceDemo.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using System;
-
-namespace ElectronNET.TestDemo
-{
-    /// <summary>
-    /// This is a demo class to test trailing whitespace detection.  
-    /// </summary>
-    public class TrailingWhitespaceDemo
-    {
-        // This line has trailing spaces at the end  
-        private string demoField;  
-
-        public TrailingWhitespaceDemo()
-        {
-            demoField = "Hello World";  
-        }
-
-        public void DemoMethod()  
-        {
-            Console.WriteLine("This demonstrates the trailing whitespace check.");  
-            // The workflow will detect these trailing spaces  
-        }  
-    }
-}
diff --git a/src/ElectronNET.WebApp/test-trailing-whitespace.html b/src/ElectronNET.WebApp/test-trailing-whitespace.html
deleted file mode 100644
index e417e6bc..00000000
--- a/src/ElectronNET.WebApp/test-trailing-whitespace.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>Trailing Whitespace Test</title>  
-</head>
-<body>
-    <h1>Demo Page</h1>  
-    <p>This file has trailing whitespace to demonstrate the check.</p>  
-    <div class="container">  
-        <span>Content here</span>  
-    </div>
-</body>
-</html>