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Unity - Scripting API: EditorUtility.SetCustomDiffTool
Version: Unity 6.5 (6000.5)
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    EditorUtility.SetCustomDiffTool

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    Declaration

    public static void SetCustomDiffTool(string path, string twoWayDiff, string threeWayDiff, string mergeCommand, bool forceEnableCustomTool);

    Parameters

    Parameter Description
    path Diff tool path.
    twoWayDiff Two - way diff command line.
    threeWayDiff Three - way diff command line.
    mergeCommand Merge command line.
    forceEnableCustomTool Sets Custom Tool as current active Revision Control Diff/Merge tool.

    Description

    Set custom diff tool settings.

    using UnityEditor;
using UnityEngine;

    public class EditorScript : MonoBehaviour
{
    [MenuItem("SetCustomDiffTool/DiffMerge")]
    public static void ExampleSetCustomDiffTool()
    {
        string path = "/Applications/DiffMerge.app/Contents/MacOS/DiffMerge";
        string twoWayDiffCommandLine = "-t1 #LTITLE -t2 #RTITLE #LEFT #RIGHT";
        string threeWayDiffCommandLine = "-t1 #LTITLE -t2 #ATITLE -t3 #RTITLE -ro2 #LEFT #ANCESTOR #RIGHT";
        string mergeArguments = "-m -t1 #LTITLE -t2 #ATITLE -t3 #RTITLE -r #OUTPUT #LEFT #ANCESTOR #RIGHT";

            EditorUtility.SetCustomDiffTool(path, twoWayDiffCommandLine, threeWayDiffCommandLine, mergeArguments);
    }
}

    For more information about diff tools, see Revision Control Diff/Merge.

    Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

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