chore: cleanup sources.cmake, gitignore, and cmake policy warnings (#880)

Author: dnzbk

.gitignore

@@ -87,3 +87,10 @@ pytest.ini
 docker/downloads
 docker/config
 *.snap
+
+# Ignore all dotfiles except those explicitly needed
+.*
+!/.gitignore
+!/.gitattributes
+!.github/
+!.github/**

CMakeLists.txt

@@ -1,5 +1,9 @@
 cmake_minimum_required(VERSION 3.13)
 
+if(POLICY CMP0167)
+	cmake_policy(SET CMP0167 NEW)
+endif()
+
 if (PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
 	message(FATAL_ERROR "In-source builds are not allowed. You should create separate directory for build files.")
 endif()

daemon/sources.cmake

@@ -9,12 +9,10 @@ set(SRC
 	${CMAKE_SOURCE_DIR}/daemon/extension/FeedScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/NzbScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/PostScript.cpp
-	${CMAKE_SOURCE_DIR}/daemon/extension/PostScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/QueueScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/ScanScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/SchedulerScript.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/ScriptConfig.cpp
-	${CMAKE_SOURCE_DIR}/daemon/extension/ScriptConfig.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/Extension.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/ExtensionLoader.cpp
 	${CMAKE_SOURCE_DIR}/daemon/extension/ExtensionManager.cpp