install.sh

#!/usr/bin/bash
REPO_URL="https://github.com/fluoroom/papirus-folders-cycle"
clear
function bold() {
  echo "$(tput bold)${1}$(tput sgr0)"
}
function smso() {
  echo "$(tput smso)${1}$(tput sgr0)"
}
function boldS() {
  echo "$(tput bold)${1}$(tput sgr0)$(tput smso)"
}

#check if root
if [ "$EUID" -ne 0 ]; then
  echo "Please run as root"
  exit
fi
if ! type papirus-folders >/dev/null; then
  echo "$(bold papirus-folders) is not installed. Please install it and try again." && exit
fi
function checkFiles() {
  if ([[ -f ps-folders-cycle.sh ]] && [[ -f ps-folders-cycle.desktop ]] && [[ -f ps-fc-cli.sh ]] && [[ -f .ps-folders-cycle.example ]]); then
    return 1
  else
    return 0
  fi
}
if checkFiles == 0; then
  echo "$(bold "Missing files"), please download repo again from $(bold $REPO_URL) ." && exit
fi

USER_HOME=$(eval echo ~${SUDO_USER})
APPS_DIR=/usr/share/applications
echo " 
   $(tput smso)                                    $(tput rmso)
   $(tput smso) $(tput rmso) I'll help you installing: $(tput smso)        $(tput rmso)
   $(tput smso)                                    $(tput rmso)
   $(tput smso)  $(tput bold)Papirus Folder Cycle$(tput sgr0)$(tput smso) by $(tput bold)fluoroom$(tput sgr0)$(tput smso)  $(tput rmso)
   $(tput smso)                                    $(tput rmso)
   $(tput smso) $(tput rmso) https://github.com/fluoroom $(tput smso)      $(tput rmso)
   $(tput smso)                                    $(tput rmso)

Now I'll copy the files:
 .ps-folders-cycle.example ->  ${USER_HOME}/.ps-folders-cycle
 ps-folders-cycle.desktop  ->  $APPS_DIR/ps-folders-cycle.desktop
 ps-folders-cycle.sh       ->  ${USER_HOME}/bin/ps-folders-cycle.sh

Then I must grant execution permissions.
"

function install() {
  if [[ -f $USER_HOME/.ps-folders-cycle ]]; then
    echo "Found $(tput bold)${USER_HOME}/.ps-folders-cycle$(tput sgr0)"
    read -p "Do you want to keep your previous config file? (y/n)" choice
    case "$choice" in
    n | N) cp .ps-folders-cycle.example $USER_HOME/.ps-folders-cycle && echo ".ps-folders-cycle.example ->  ${USER_HOME}/.ps-folders-cycle $(tput bold)config file replaced$(tput sgr0)" ;;
    *) echo "$(tput bold)Config file kept.$(tput sgr0)" ;;
    esac
  else
    cp .ps-folders-cycle.example $USER_HOME/.ps-folders-cycle && echo ".ps-folders-cycle.example ->  ${USER_HOME}/.ps-folders-cycle $(tput bold)OK$(tput sgr0)"
  fi
  cp ps-folders-cycle.desktop $APPS_DIR/ps-folders-cycle.desktop && echo "ps-folders-cycle.desktop  ->  ${APPS_DIR}/ps-folders-cycle.desktop $(tput bold)OK$(tput sgr0)"
  echo "$USER_HOME/bin/ps-folders-cycle.sh" >> $APPS_DIR/ps-folders-cycle.desktop && chmod +x $APPS_DIR/ps-folders-cycle.desktop && echo "${APPS_DIR}/ps-folders-cycle.desktop $(tput bold)correctly configured.$(tput sgr0)"
  if [[ ! -d $USER_HOME/bin/ ]]; then
    mkdir $USER_HOME/bin/ && echo "Created ${USER_HOME}/bin/"
  fi
  cp ps-folders-cycle.sh $USER_HOME/bin/ps-folders-cycle.sh && echo "ps-folders-cycle.sh       ->  ${USER_HOME}/bin/ps-folders-cycle.sh $(tput bold)OK$(tput sgr0)"
  chmod +x $USER_HOME/bin/ps-folders-cycle.sh && echo "chmod +x ${USER_HOME}/bin/ps-folders-cycle.sh $(tput bold)OK$(tput sgr0)"
  cp ps-fc-cli.sh /usr/local/bin/ps-fc-cli && chmod +x /usr/local/bin/ps-fc-cli && echo "ps-fc-cli.sh     ->   /usr/local/bin/ps-fc-cli $(tput bold)OK$(tput sgr0)" && echo "$(tput bold)CLI installed succesfully$(tput sgr0)"
  read -p "Enable now? (y/n)" choice
  case "$choice" in
  y | Y)
    killall ps-folders-cycle.sh
    cp $APPS_DIR/ps-folders-cycle.desktop $USER_HOME/.config/autostart/ps-folders-cycle.desktop && echo "Autostart enabled $(bold OK)
Daemon will start on next log on.
To disable use $(tput bold)ps-fc-cli disable$(tput sgr0)";;
  * ) echo "
To enable use $(tput bold)ps-fc-cli enable$(tput sgr0)
" ;;
  esac
  echo "
$(smso " Please install icon themes in $(boldS "~/.icons/") as i can't (and $(boldS "shouldn't")) have root access to read $(boldS /usr/share/icons/). 
 Otherwise you'll recieve $(boldS "Error 404").                                                                            ")";
}

function bye() {
  echo "
Config file is $(tput bold)${USER_HOME}/.ps-folders-cycle$(tput sgr0)
Run $(tput bold)ps-fc-cli help$(tput sgr0) to see available commands.
You may now delete this folder.
" && exit
}

read -p "Shall i continue (y/n)?" choice
case "$choice" in
y | Y) install && bye ;;
*) echo "Ok, marry to a single color then!" && exit ;;
esac