session


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#!/bin/bash
#
# A lightweight session manager.
# Open a work session, which might consist of VIM, tmux, etc sessions.
#

# Parameters
NAME="$0"
BASENAME="`basename $0`"
IGNORE="$HOME/.config/session-ignore"

function __session_not_ignored {
  if [ -z "$1" ]; then
    return 1
  fi

  if grep -q "^$1$" $IGNORE; then
    return 1
  fi

  return 0
}

function __session_query {
  # VIM
  if __session_not_ignored vim && [ -e "$HOME/.local/share/vim/sessions" ]; then
    ls -1 $HOME/.local/share/vim/sessions | sed -e 's/\.vim//g'
  fi

  # Tmux
  if __session_not_ignored tmux && [ -d "$HOME/.tmux" ]; then
    ls -1 $HOME/.tmux
  fi

  # Screen
  #if __session_not_ignored screen && [ -d "$HOME/.screen" ]; then
  #  ls -1 $HOME/.screen
  #fi

  # Luakit
  if __session_not_ignored luakit && [ -d "$HOME/.local/share/luakit/sessions" ]; then
    ls -1 $HOME/.local/share/luakit/sessions
  fi

  # Qutebrowser
  if __session_not_ignored qutebrowser && [ -d "$HOME/.local/share/qutebrowser" ]; then
    ls -1 $HOME/.local/share/qutebrowser
  fi

  # Chromium
  if __session_not_ignored chromium && [ -d "$HOME/.config/chromium-profiles" ]; then
    ls -1 $HOME/.config/chromium-profiles
  fi

  # Firefox
  if __session_not_ignored firefox && [ -d "$HOME/.mozilla/firefox/profiles" ]; then
    ls -1 $HOME/.mozilla/firefox/profiles
  fi
}

function __session_list {
  n="0"
  __session_query | sort | uniq | while read session; do
    echo -en "$n. $session:"

    # Check VIM session
    if __session_not_ignored vim && [ -e "$HOME/.local/share/vim/sessions/$session.vim" ]; then
      echo -n " vim"
    #else
    #  echo " -"
    fi

    # Check tmux session
    if __session_not_ignored tmux && [ -e "$HOME/.tmux/$session" ]; then
      echo -n " tmux"
    #else
    #  echo " -"
    fi

    # Screen
    if __session_not_ignored screen && [ -e "$HOME/.screen/$session" ]; then
      echo -n " screen"
    #else
    #  echo " -"
    fi

    # Luakit
    if __session_not_ignored luakit && [ -e "$HOME/.local/share/luakit/sessions/$session" ]; then
      echo -n " luakit"
    #else
    #  echo " -"
    fi

    # Qutebrowser
    if __session_not_ignored qutebrowser && [ -d "$HOME/.local/share/qutebrowser/$session" ]; then
      echo -n " qutebrowser"
    #else
    #  echo " -"
    fi

    # Chromium
    if __session_not_ignored chromium && [ -d "$HOME/.config/chromium-profiles/$session" ]; then
      echo -n " chromium"
    #else
    #  echo " -"
    fi

    # Firefox
    if __session_not_ignored firefox && [ -d "$HOME/.mozilla/firefox/profiles/$session" ]; then
      echo -n " firefox"
    #else
    #  echo " -"
    fi

    echo ""
    let ++n
  done | column -t -c 6 #| sed -e 's/^/\t/'
}

function __session_chooser {
  __session_list
  read -rep "Choose session: " n

  if [ ! -z "$n" ]; then
    session="$(__session_list | grep "^$n." | sed -e "s/^$n. //" | cut -d : -f 1)"

    if [ ! -z "$session" ]; then
      $NAME $session
    fi
  fi
}

function __session_open {
  SESSION="$1"

  # Check VIM session
  if __session_not_ignored vim && [ -e "$HOME/.local/share/vim/sessions/$SESSION.vim" ]; then
    if which vim &> /dev/null; then
      terminal vim -S $HOME/.local/share/vim/sessions/$SESSION.vim &
    fi
  fi

  # Check tmux session
  if __session_not_ignored tmux && [ -e "$HOME/.tmux/$SESSION" ]; then
    if which tmux &> /dev/null; then
      terminal shell $SESSION &
    fi
  fi

  # Screen
  #if __session_not_ignored screen && [ -e "$HOME/.screen/$SESSION" ]; then
  #  if which screen &> /dev/null; then
  #    terminal shell $SESSION &
  #  fi
  #fi

  # Luakit
  # TODO: how to open luakit in a given session from the command line?
  #if __session_not_ignored luakit && [ -e "$HOME/.local/share/luakit/sessions/$SESSION" ]; then
  #  if which luakit &> /dev/null; then
  #  fi
  #fi

  # Qutebrowser
  if __session_not_ignored qutebrowser && [ -d "$HOME/.local/share/qutebrowser/$SESSION" ]; then
    if which qutebrowser &> /dev/null; then
      qutebrowser -r $SESSION
    fi
  fi

  # Chromium
  if __session_not_ignored chromium && [ -d "$HOME/.config/chromium-profiles/$SESSION" ]; then
    if which chromium-profile &> /dev/null; then
      chromium-profile $SESSION
    fi
  fi

  # Firefox
  if __session_not_ignored firefox && [ -d "$HOME/.mozilla/firefox/profiles" ]; then
    firefox-profile $SESSION
  fi
}

# Dispatch
if [ "$BASENAME" == "session-list" ]; then
  __session_list
elif [ "$BASENAME" == "session-chooser" ]; then
  __session_chooser
elif [ "$BASENAME" == "terminal-session-chooser" ]; then
  terminal session-chooser
elif [ ! -z "$1" ] && echo "$1" | grep -q -- '--list'; then
  __session_list
elif [ ! -z "$1" ] && echo "$1" | grep -q -- '--chooser'; then
  __session_chooser
elif [ -z "$1" ]; then
  echo "usage: $BASENAME [--list|--chooser] <session>"
  echo "available sessions:"
  echo ""
  __session_list
  exit 1
else
  __session_open $*
fi