From 5b4db424b5ada34e41daeffbd89798aadfa9290b Mon Sep 17 00:00:00 2001
From: Christoph Hagen <github@christophhagen.de>
Date: Thu, 25 Aug 2022 00:11:53 +0200
Subject: [PATCH] Log accessed files

---
 WebsiteGenerator/Generic/FileAccess.swift | 27 +++++++++++++++++++++++
 WebsiteGenerator/main.swift               |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/WebsiteGenerator/Generic/FileAccess.swift b/WebsiteGenerator/Generic/FileAccess.swift
index a10dc7a..5a231b1 100644
--- a/WebsiteGenerator/Generic/FileAccess.swift
+++ b/WebsiteGenerator/Generic/FileAccess.swift
@@ -27,6 +27,8 @@ final class FileAccess {
 
     private var changedFiles: Set<String> = []
 
+    private var accessedFiles: Set<String> = []
+
     init(in root: URL, errorOutput: ErrorOutput) {
         self.sourceFolder = root
         self.errorOutput = errorOutput
@@ -63,6 +65,7 @@ final class FileAccess {
     }
 
     private func didAccess(inputPath: String, modified lastModified: Date, source: String) {
+        accessedFiles.insert(inputPath)
         guard let previousDate = sourceLastModifiedTimes[inputPath] else {
             // File not processed before, so mark as changed
             changedFiles.insert(inputPath)
@@ -143,4 +146,28 @@ final class FileAccess {
             print("  ...")
         }
     }
+
+    func printAccessedFilesOverview() {
+        let count = accessedFiles.count
+        guard count > 0 else {
+            print("No files accessed")
+            return
+        }
+        print("\(count) files accessed:")
+        accessedFiles.prefix(10).forEach { print("  " + $0) }
+        if count > 10 {
+            print("  ...")
+        }
+    }
+
+    func printAllTouchedFiles() {
+        print("\(accessedFiles.count) files accessed:")
+        accessedFiles.sorted().forEach { file in
+            if changedFiles.contains(file) {
+                print("  \(file) (changed)")
+            } else {
+                print("  " + file)
+            }
+        }
+    }
 }
diff --git a/WebsiteGenerator/main.swift b/WebsiteGenerator/main.swift
index febde28..21a7412 100644
--- a/WebsiteGenerator/main.swift
+++ b/WebsiteGenerator/main.swift
@@ -17,7 +17,7 @@ do {
 }
 
 siteData.printTree()
-context.fileSystem.printChangedFilesOverview()
+context.fileSystem.printAllTouchedFiles()
 context.fileSystem.didGenerateAllFiles()
 
 exit(0)