Added CLI utility to reset material keywords

ScriptableRenderPipeline/HDRenderPipeline/Editor/HDEditorUtils.cs

             return relativePath.Replace("\\", "/") + "/";
         }
 
-        public static void ResetMaterialKeywords(Material material)
+        public static bool ResetMaterialKeywords(Material material)
         {
             MaterialResetter resetter;
             if (k_MaterialResetters.TryGetValue(material.shader.name, out resetter))
                 EditorUtility.SetDirty(material);
+                return true;
+            return false;
         }
 
         public static void RemoveMaterialKeywords(Material material)

ScriptableRenderPipeline/HDRenderPipeline/Editor/HDEditorCLI.cs

+using System;
+using UnityEngine;
+
+namespace UnityEditor.Experimental.Rendering.HDPipeline
+{
+    public class HDEditorCLI
+    {
+        enum CommandLineOperation
+        {
+            None,
+            ResetMaterialKeywords
+        }
+
+        struct CommandLineAction
+        {
+            internal CommandLineOperation operation;
+        }
+
+        const string k_SwitchOperation = "-operation";
+
+        public static void Run()
+        {
+            var args = System.Environment.GetCommandLineArgs();
+
+            var action = ParseCommandLine(args);
+            Execute(action);
+        }
+
+        static void Execute(CommandLineAction action)
+        {
+            switch (action.operation)
+            {
+                case CommandLineOperation.ResetMaterialKeywords:
+                {
+                    Console.WriteLine("[HDEditorCLI][ResetMaterialKeywords] Starting material reset");
+
+                    var matIds = AssetDatabase.FindAssets("t:Material");
+
+                    for (int i = 0, length = matIds.Length; i < length; i++)
+                    {
+                        var path = AssetDatabase.GUIDToAssetPath(matIds[i]);
+                        var mat = AssetDatabase.LoadAssetAtPath<Material>(path);
+
+                        if (HDEditorUtils.ResetMaterialKeywords(mat))
+                                Console.WriteLine("[HDEditorCLI][ResetMaterialKeywords] " + path);
+                    }
+                    break;
+                }
+            }
+        }
+
+        static CommandLineAction ParseCommandLine(string[] args)
+        {
+            CommandLineAction action = new CommandLineAction();
+            for (int i = 0, length = args.Length; i < length; ++i)
+            {
+                switch (args[i])
+                {
+                    case k_SwitchOperation:
+                    {
+                        if (i + 1 < length)
+                        {
+                            ++i;
+                            try
+                            {
+                                action.operation = (CommandLineOperation)Enum.Parse(typeof(CommandLineOperation), args[i]);
+                            }
+                            catch (Exception e) { }
+                        }
+                        break;
+                    }
+                }
+            }
+            return action;
+        }
+    }
+}

ScriptableRenderPipeline/HDRenderPipeline/Editor/HDEditorCLI.cs.meta

+fileFormatVersion: 2
+guid: 4baa489311168cc4ebdf3cd85ceb544a
+timeCreated: 1508231097
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

ScriptableRenderPipeline/HDRenderPipeline/Editor/cli.ps1

+# Execute the HDEditorCLI from a powsershell scripts
+# UNITY_PATH environment variable must be set to the folder containing Unity.exe
+
+Param
+(
+    [parameter(Mandatory=$true)]
+    [ValidateSet("ResetMaterialKeywords")]
+    [String]
+    $Operation
+)
+
+function FindUnityProjectRootPath
+{
+    Param
+    (
+        [parameter(Mandatory=$true)]
+        [string]
+        $Path
+    )
+
+    $folderName = [System.IO.Path]::GetFileNameWithoutExtension("$Path");
+    $currentPath = $Path;
+
+    while ($folderName -ne "Assets" -and -not [string]::IsNullOrEmpty("$currentPath"))
+    {
+        $currentPath = Split-Path -Path $currentPath -Parent;
+        $folderName = [System.IO.Path]::GetFileNameWithoutExtension("$currentPath");
+    }
+
+    return Split-Path -Path $currentPath -Parent;
+}
+
+function FindUnityBin
+{
+    return [System.IO.Path]::Combine("$env:UNITY_PATH", "Unity.exe");
+}
+
+function GetLogFilePath
+{
+    Param
+    (
+        [parameter(Mandatory=$true)]
+        [string]
+        $ProjectPath
+    )
+
+    $libPath = [System.IO.Path]::Combine("$ProjectPath", "Library");
+
+    if (-not [System.IO.Directory]::Exists("$libPath"))
+    {
+        [System.IO.Directory]::CreateDirectory("$libPath");
+    }
+
+    return [System.IO.Path]::Combine("$libPath", "hdcli.log");
+}
+
+$projectPath = FindUnityProjectRootPath $PSScriptRoot;
+if ([string]::IsNullOrEmpty("$projectPath"))
+{
+    throw "Unity Project Path was not found"
+}
+
+$unityPath = FindUnityBin
+if (-not [System.IO.File]::Exists("$unityPath"))
+{
+    throw "Unity binary was not found at $unityPath";
+}
+
+$logFilePath = GetLogFilePath $projectPath
+
+$cmd = $unityPath;
+$params = '-projectPath', "$projectPath", '-quit', '-batchmode', '-logFile', "$logFilePath", '-executeMethod', 'UnityEditor.Experimental.Rendering.HDPipeline.HDEditorCLI.Run', '-operation',  "$Operation"
+
+if (Test-Path $logFilePath)
+{
+    Remove-Item $logFilePath
+}
+
+Start-Process $cmd $params
+
+while ((Test-Path $logFilePath) -eq $false) 
+{
+    Start-Sleep -Milliseconds 100
+}
+
+$readJob = Start-Job -Name Reader -Arg $logFilePath -ScriptBlock {
+    param($file)
+
+    Get-Content $file -Tail 1 -Wait
+}
+
+Write-Host "Starting Task"
+
+while ($true) 
+{
+    $lines = Receive-Job -Name Reader
+    $theEnd = $false;
+    foreach ($line in $lines)
+    {
+        if ($line.Contains("[HDEditorCLI]"))
+        {
+            Write-Host $line;
+        }
+        if ($line.Contains("Exiting batchmode"))
+        {
+            $theEnd = $true;
+            break;
+        }
+    }
+
+    if ($theEnd)
+        { break; }
+
+    Start-Sleep -Milliseconds 500
+}
+
+Stop-Job $readJob
+
+Write-Host "Task Complete"

ScriptableRenderPipeline/HDRenderPipeline/Editor/cli.ps1.meta

+fileFormatVersion: 2
+guid: a07b31caef0cfb741b72f94fd0139c89
+timeCreated: 1508233704
+licenseType: Pro
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: