[build] improve automated update task

Rakefile

@@ -935,7 +935,7 @@ namespace :java do
     file = 'java/version.bzl'
     text = File.read(file).gsub(old_version, new_version)
     File.open(file, "w") { |f| f.puts text }
-    Rake::Task['java:changelog'].invoke unless old_version.include?('SNAPSHOT')
+    Rake::Task['java:changelog'].invoke if old_version.include?('SNAPSHOT')
   end
 end
 
@@ -1043,7 +1043,7 @@ namespace :all do
       Bazel.execute('run', args, '//scripts:update_cdp')
       Bazel.execute('run', args, '//scripts:pinned_browsers')
       Bazel.execute('run', args, '//scripts:selenium_manager')
-      Rake::Task['java:dependencies'].invoke
+      Rake::Task['java:update'].invoke
       Rake::Task['authors'].invoke
       Rake::Task['copyright:update'].invoke
     end

scripts/update_cdp.py

@@ -103,22 +103,20 @@ def create_new_chrome_files(src_base, chrome_milestone):
     target_dir = root_dir / f"{src_base}/v{new_chrome(chrome_milestone)}"
     old_dir = root_dir / f"{src_base}/v{old_chrome(chrome_milestone)}"
 
-    # New target must not be already present
-    if not target_dir.is_dir():
-        if old_dir.is_dir():
-            shutil.rmtree(old_dir)
+    if old_dir.is_dir():
+        shutil.rmtree(old_dir)
 
-        if source_dir.is_dir() and any(source_dir.iterdir()):
-            os.makedirs(target_dir, exist_ok=True)
-            for item in source_dir.iterdir():
-                shutil.copy(item, target_dir)
+    if source_dir.is_dir() and any(source_dir.iterdir()):
+        os.makedirs(target_dir, exist_ok=True)
+        for item in source_dir.iterdir():
+            shutil.copy(item, target_dir)
 
-            for file in target_dir.iterdir():
-                replace_in_file(file, previous_chrome(chrome_milestone), new_chrome(chrome_milestone))
-                new_filename = file.name.replace(previous_chrome(chrome_milestone), new_chrome(chrome_milestone))
-                file.rename(target_dir / new_filename)
+        for file in target_dir.iterdir():
+            replace_in_file(file, previous_chrome(chrome_milestone), new_chrome(chrome_milestone))
+            new_filename = file.name.replace(previous_chrome(chrome_milestone), new_chrome(chrome_milestone))
+            file.rename(target_dir / new_filename)
 
-        subprocess.run(["git", "add", str(target_dir / "*")], cwd=root_dir)
+    subprocess.run(["git", "add", str(target_dir / "*")], cwd=root_dir)
 
 
 def replace_in_file(file_path, old_string, new_string, is_regex=False):
@@ -187,3 +185,5 @@ def update_js(chrome_milestone):
     update_ruby(chrome_milestone)
     update_python(chrome_milestone)
     update_js(chrome_milestone)
+
+    print(f"adding CDP {new_chrome(chrome_milestone)} and removing {old_chrome(chrome_milestone)}")