Convert Gnome to Ubuntu. The script is in progress.

ubuntu-gnome.bash

#!/bin/bash
# gnome-extensions tool introduced in GNOME Shell 3.34.1
# this script won't work for any earlier version of Gnome.

function installDashtoDock(){
  gsettings set org.gnome.desktop.wm.preferences button-layout ':minimize,maximize,close'
  wget "https://extensions.gnome.org/download-extension/[email protected]?shell_version=9.99.0" -O "dash-to-dock-latest.zip"
  gnome-extensions install "dash-to-dock-latest.zip"
  gnome-extensions enable "[email protected]"
  busctl --user call org.gnome.Shell /org/gnome/Shell org.gnome.Shell Eval s 'Meta.restart("Restarting…")'
  rm "dash-to-dock-latest.zip"
}
installDashtoDock;

function configureDashtoDock(){
  gsettings set org.gnome.shell.extensions.dash-to-dock click-action 'minimize-or-previews'
  gsettings set org.gnome.shell.extensions.dash-to-dock dock-fixed true
  gsettings set org.gnome.shell.extensions.dash-to-dock extend-height true
  gsettings set org.gnome.shell.extensions.dash-to-dock icon-size-fixed true
  gsettings set org.gnome.shell.extensions.dash-to-dock running-indicator-style 'DOTS'
}
configureDashtoDock;

function installYaruTheme(){
  sudo apt install git meson sassc libglib2.0-dev libxml2-utils
  git clone https://github.com/ubuntu/yaru.git
  cd yaru
  meson build
  cd build
  sudo ninja install

  #Changes interface theme to Yaru
  gsettings set org.gnome.desktop.interface gtk-theme "Yaru"
  gsettings set org.gnome.desktop.interface icon-theme "Yaru"
  
  #Changes Shell Theme to Yaru
  #https://extensions.gnome.org/extension/19/user-themes/
  
  #https://gist.github.com/atiensivu/fcc3183e9a6fd74ec1a283e3b9ad05f0
  sudo cp $HOME/.local/share/gnome-shell/extensions/[email protected]/schemas/org.gnome.shell.extensions.user-theme.gschema.xml /usr/share/glib-2.0/schemas && sudo glib-compile-schemas /usr/share/glib-2.0/schemas
  gsettings get org.gnome.shell.extensions.user-theme "name"
  #Shell Theme, changes Gnome topbar via user-theme gnome extension
  gsettings set org.gnome.shell.extensions.user-theme "name" "Yaru"
  
  #https://www.linuxuprising.com/2019/10/how-to-get-dark-gnome-shell-menus-and.html

}

function installSuruIcons(){

#Icons shall be installed in file:///usr/share/icons/

git clone https://github.com/snwh/suru-icon-theme.git

cd suru-icon-theme
# build
meson "build" --prefix=/usr
# install
sudo ninja -C "build" install

# set the icon theme
gsettings set org.gnome.desktop.interface icon-theme "Suru"
# or the cursor theme
gsettings set org.gnome.desktop.interface cursor-theme "Suru"

  #https://snwh.org/suru
  #https://www.omgubuntu.co.uk/2017/11/suru-default-icon-theme-ubuntu-18-04-lts
  #https://github.com/snwh/suru-icon-theme/
}









function reverseConversion(){
  gsettings reset org.gnome.shell.extensions.dash-to-dock click-action 
  gsettings reset org.gnome.shell.extensions.dash-to-dock dock-fixed
  gsettings reset org.gnome.shell.extensions.dash-to-dock extend-height
  gsettings reset org.gnome.shell.extensions.dash-to-dock icon-size-fixed
  gsettings reset org.gnome.shell.extensions.dash-to-dock running-indicator-style
  gnome-extensions disable "[email protected]"
  gnome-extensions uninstall "[email protected]"
  




  sudo rm -r /usr/share/themes/{Yaru,Yaru-dark,Yaru-light}
  sudo apt install --reinstall yaru-theme-gnome-shell yaru-theme-gtk

  gsettings set org.gnome.desktop.interface gtk-theme "Adwaita"
  gsettings set org.gnome.shell.extensions.user-theme "Name" ""

}