Handle exception if `git` is not found

src/Generator/Utils/Utils.cs

@@ -84,7 +84,7 @@ namespace CppSharp
         {
             while (stringBuilder.Length > 0 && stringBuilder[0] == '_')
                 stringBuilder.Remove(0, 1);
-            while (stringBuilder.Length > 0 && stringBuilder[stringBuilder.Length - 1] == '_')
+            while (stringBuilder.Length > 0 && stringBuilder[^1] == '_')
                 stringBuilder.Remove(stringBuilder.Length - 1, 1);
         }
     }
@@ -136,47 +136,54 @@ namespace CppSharp
     {
         public static NewLineType? GetNewLineTypeFromGitConfig(string outputDir)
         {
-            if (!bool.TryParse(
-                    ProcessHelper.RunFrom(outputDir,
-                        "git", "rev-parse --is-inside-work-tree",
-                        out _, out _
-                    ),
-                    out bool isInsideWorkTree))
+            try
             {
-                return null;
-            }
+                if (!bool.TryParse(
+                        ProcessHelper.RunFrom(outputDir,
+                            "git", "rev-parse --is-inside-work-tree",
+                            out _, out _
+                        ),
+                        out bool isInsideWorkTree))
+                {
+                    return null;
+                }
 
-            if (!isInsideWorkTree)
-                return null;
+                if (!isInsideWorkTree)
+                    return null;
 
-            // Check git config core.eol setting
-            var eolConfig = ProcessHelper.RunFrom(outputDir,
-                    "git", "config --get core.eol",
-                    out _, out _)
-                .Trim().ToLowerInvariant();
+                // Check git config core.eol setting
+                var eolConfig = ProcessHelper.RunFrom(outputDir,
+                        "git", "config --get core.eol",
+                        out _, out _)
+                    .Trim().ToLowerInvariant();
 
-            switch (eolConfig)
-            {
-                case "lf":
-                    return NewLineType.LF;
-                case "crlf":
-                    return NewLineType.CRLF;
-            }
+                switch (eolConfig)
+                {
+                    case "lf":
+                        return NewLineType.LF;
+                    case "crlf":
+                        return NewLineType.CRLF;
+                }
 
-            // Otherwise check git config core.autocrlf setting
-            var autoCrLf = ProcessHelper.RunFrom(outputDir,
-                    "git", "config --get core.autocrlf",
-                    out _, out _)
-                .Trim().ToLowerInvariant();
+                // Otherwise check git config core.autocrlf setting
+                var autoCrLf = ProcessHelper.RunFrom(outputDir,
+                        "git", "config --get core.autocrlf",
+                        out _, out _)
+                    .Trim().ToLowerInvariant();
 
-            return autoCrLf switch
-            {
-                "input" => NewLineType.LF,
-                "true" => NewLineType.CRLF,
-                "false" => NewLineType.Host,
+                return autoCrLf switch
+                {
+                    "input" => NewLineType.LF,
+                    "true" => NewLineType.CRLF,
+                    "false" => NewLineType.Host,
 
-                _ => null
-            };
+                    _ => null
+                };
+            }
+            catch (Exception)
+            {
+                return null;
+            }
         }
     }
 }