Add auto-detection of OS and distro to scripts

copy_dotfiles.sh

@@ -40,7 +40,7 @@ copy_file src_files/.config/zsh/.zshenv $HOME # duplicate, copy anyway, ensures
 
 copy_dir src_files/.config $XDG_CONFIG_HOME
 copy_dir src_files/.local/bin $DIR_BIN
-[[ "$BOX_SETUP_OS" = "macos" ]] && copy_dir src_files/bin_overrides_macos $DIR_BIN
+[[ "$OSTYPE" = *"darwin"* ]] && copy_dir src_files/bin_overrides_macos $DIR_BIN
 copy_dir src_files/.local/scripts $DIR_SCRIPTS
 
 for obs_dir in "${OBSIDIAN_WORKSPACES_TO_CONFIGURE[@]}"; do
@@ -49,7 +49,7 @@ for obs_dir in "${OBSIDIAN_WORKSPACES_TO_CONFIGURE[@]}"; do
 done
 
 # [[ $1 = "studio-music" ]] {
-#     [[ "$BOX_SETUP_OS" = "macos" ]] &&
+#     [[ "$OSTYPE" = *"darwin"* ]] &&
 #         link_dir "$XDG_CONFIG_HOME/REAPER" "$HOME/Library/Application Support/REAPER" # TODO: get reaper config set up
 # }