Always search for host in ~/.local/share/yabridge

src/plugin/utils.cpp

@@ -118,7 +118,8 @@ fs::path find_vst_host(PluginArchitecture plugin_arch, bool use_plugin_groups) {
 
     // Boost will return an empty path if the file could not be found in the
     // search path
-    const fs::path vst_host_path = bp::search_path(host_name);
+    const fs::path vst_host_path =
+        bp::search_path(host_name, get_modified_search_path());
     if (vst_host_path == "") {
         throw std::runtime_error("Could not locate '" + std::string(host_name) +
                                  "'");
@@ -176,6 +177,20 @@ boost::filesystem::path generate_group_endpoint(
     return get_temporary_directory() / socket_name.str();
 }
 
+std::vector<boost::filesystem::path> get_modified_search_path() {
+    std::vector<boost::filesystem::path> search_path =
+        boost::this_process::path();
+
+    const bp::environment environment = boost::this_process::environment();
+    if (auto home_directory = environment.find("HOME");
+        home_directory != environment.end()) {
+        search_path.push_back(fs::path(home_directory->to_string()) / ".local" /
+                              "share" / "yabridge");
+    }
+
+    return search_path;
+}
+
 fs::path get_this_file_location() {
     // HACK: Not sure why, but `boost::dll::this_line_location()` returns a path
     //       starting with a double slash on some systems. I've seen this happen

src/plugin/utils.h

@@ -80,7 +80,8 @@ PluginArchitecture find_vst_architecture(boost::filesystem::path);
  *      when developing, as you can simply symlink the the libyabridge.so
  *      file in the build directory without having to install anything to
  *      /usr.
- *   2. In the regular search path.
+ *   2. In the regular search path, augmented with `~/.local/share/yabridge` to
+ *      ease the setup process.
  *
  * @param plugin_arch The architecture of the plugin, either 64-bit or 32-bit.
  *   Used to determine which host application to use, if available.
@@ -143,6 +144,16 @@ boost::filesystem::path generate_group_endpoint(
     const boost::filesystem::path& wine_prefix,
     const PluginArchitecture architecture);
 
+/**
+ * Return the search path as defined in `$PATH`, with `~/.local/share/yabridge`
+ * appended to the end. I'd rather not do this since more magic makes things
+ * harder to comprehend, but I can understand that modifying your login shell's
+ * `PATH` environment variable can be a big hurdle if you've never done anything
+ * like that before. And since this is the recommended installation location, it
+ * makes sense to also search there by default.
+ */
+std::vector<boost::filesystem::path> get_modified_search_path();
+
 /**
  * Return a path to this `.so` file. This can be used to find out from where
  * this link to or copy of `libyabridge.so` was loaded.