Refactoring symlink check

Refactoring the symlink check so that the same code handles both production and test use cases instead of needing 2 different pieces of code.

Sources/ApolloCodegenLib/Glob.swift

@@ -125,8 +125,10 @@ public struct Glob {
     let isExclude = pattern.isExclude
     var parts = pattern.components(separatedBy: String.Globstar)
     var firstPart = parts.removeFirst()
-    let lastPart = parts.joined(separator: String.Globstar)
-    let lastDirComponent = lastPart.components(separatedBy: "*").first ?? ""
+    let last = parts.joined(separator: String.Globstar)
+    parts = last.components(separatedBy: "*")
+    let lastDirComponent = parts.removeFirst()
+    let lastPart = "*\(parts.joined(separator: "*"))"
 
     if isExclude {
       // Remove ! here otherwise the Linux glob function would not return any results. Results for
@@ -186,15 +188,9 @@ public struct Glob {
     }
 
     return OrderedSet<String>(directories.compactMap({ directory in
-      // build directory URL up the the '*' in the pattern, and check if it is a symlink, if so skip it
-      let symCheckURL = directory.appendingPathComponent(lastDirComponent).standardizedFileURL
-      if let resourceValues = try? symCheckURL.resourceValues(forKeys: [.isSymbolicLinkKey]),
-         let isSymLink = resourceValues.isSymbolicLink,
-         isSymLink {
-        return nil
-      }
-
-      var path = directory.resolvingSymlinksInPath().appendingPathComponent(lastPart).standardizedFileURL.path
+      // build directory URL up to the first '*' in the pattern, and resolve symlinks
+      let url = directory.appendingPathComponent(lastDirComponent).standardizedFileURL.resolvingSymlinksInPath()
+      var path = url.appendingPathComponent("\(lastPart)").standardizedFileURL.path
       if isExclude {
         path.insert("!", at: path.startIndex)
       }