build: Bundle files from the ImHex-Patterns repo with the installation

CMakeLists.txt

@@ -35,3 +35,6 @@ add_subdirectory(tests EXCLUDE_FROM_ALL)
 
 # Configure packaging
 createPackage()
+
+# Download and install all current files from the ImHex-Patterns repo
+downloadImHexPatternsFiles()

cmake/build_helpers.cmake

@@ -1,3 +1,5 @@
+include(FetchContent)
+
 macro(addVersionDefines)
     if (IS_DIRECTORY "${CMAKE_SOURCE_DIR}/.git")
         # Get the current working branch
@@ -279,3 +281,20 @@ macro(detectBadClone)
         endif()
     endforeach ()
 endmacro()
+
+
+function(downloadImHexPatternsFiles)
+    FetchContent_Declare(
+        imhex_patterns
+        GIT_REPOSITORY https://github.com/WerWolv/ImHex-Patterns.git
+        GIT_TAG master
+    )
+
+    FetchContent_Populate(imhex_patterns)
+
+    set(PATTERNS_FOLDERS_TO_INSTALL constants encodings includes patterns yara magic)
+    foreach (FOLDER ${PATTERNS_FOLDERS_TO_INSTALL})
+        install(DIRECTORY "${imhex_patterns_SOURCE_DIR}/${FOLDER}" DESTINATION "./")
+    endforeach()
+
+endfunction()

lib/libimhex/source/helpers/paths.cpp

@@ -59,7 +59,7 @@ namespace hex {
             CoTaskMemFree(wAppDataPath);
         }
 
-        std::vector<fs::path> paths = { parentDir, appDataDir / "imhex" };
+        std::vector<fs::path> paths = { appDataDir / "imhex", parentDir };
 
         switch (path) {
             case ImHexPath::Patterns:
@@ -128,7 +128,7 @@ namespace hex {
         // Get path to special directories
         const fs::path applicationSupportDir(getMacApplicationSupportDirectoryPath());
 
-        std::vector<fs::path> paths = { exePath, applicationSupportDir };
+        std::vector<fs::path> paths = { applicationSupportDir, exePath };
 
         switch (path) {
             case ImHexPath::Patterns:
@@ -179,9 +179,6 @@ namespace hex {
         for (auto &dir : dataDirs)
             dir = dir / "imhex";
 
-        if (!exePath.empty())
-            dataDirs.emplace(dataDirs.begin(), fs::path(exePath.data()).parent_path());
-
         switch (path) {
             case ImHexPath::Patterns:
                 addUserDirs(dataDirs);
@@ -226,6 +223,9 @@ namespace hex {
             default:
                 __builtin_unreachable();
         }
+
+        if (!exePath.empty())
+            dataDirs.emplace(dataDirs.begin(), fs::path(exePath.data()).parent_path());
 #endif
 
         if (!listNonExisting) {