rofi-tmux-sessions.sh

#!/usr/bin/env bash
#
# Switch tmux session with rofi menu

ROFI_SCRIPT=$( realpath $0 )
ROFI_ARGS="-bc #0A8A8A -bw 3 -fuzzy"

_filter_dupes () {
  perl -ne 'if (!defined $x{$_}) { print $_; $x{$_} = 1; }'
}

_tmux_list_sessions () {
  tmux list-sessions 2>/dev/null
}

tmux_sessions () {
  _tmux_list_sessions | cut -d ':' -f 1
}

tmux_switch_client () {
  local session; session="$1"
  tmux switch-client -t $session
}

_list_projects_by_modified () {
  local tempfile; tempfile="$( mktemp )"
  _list_projects > $tempfile
  ls -1t /data/noor/work/ | grep -f $tempfile
}

_list_projects () {
  find /data/noor/work -maxdepth 1 -mindepth 1 -type d \
	| sed -e 's,.*\/,,' \
	| sort
}

CMD=$1

case $CMD in
  choose-project)

    TMUX_SESSION=$( $ROFI_SCRIPT list-projects | _filter_dupes | rofi $ROFI_ARGS -dmenu -p "Select project:" )
    if [ -z "$TMUX_SESSION" ]; then
      exit 0
    fi

    # Open project in terminal or start a new one
    #/home/noor/bin/txdev $TMUX_SESSION
    /home/noor/scripts/awesome/tmux_run_or_raise.sh $TMUX_SESSION
    ;;
  choose-session)

    TMUX_SESSION=$( $ROFI_SCRIPT list-sessions | rofi $ROFI_ARGS -dmenu -p "Select session:" )
    if [ -z "$TMUX_SESSION" ]; then
      exit 1
    fi

    tmux_sessions | egrep -q "^${TMUX_SESSION}$"
    if [ $? -eq 0 ]; then
      exit 2
    fi

    # Switch to existing session
    tmux_switch_client $TMUX_SESSION
    ;;

  list-project-session)

    # Get all running tmux sessions
    _tmux_sessions="$( tmux_sessions )"

    # List all tmux sessions that belong to a project
    _list_projects_by_modified | while read name; do
      for session in $_tmux_sessions; do
        echo $session | egrep "^${name}\$"
      done
    done
    ;;

  list-projects)

    # Get all active tmux sessions
    _tmux_sessions="$( tmux_sessions )"

    # List all tmux sessions that belong to a project
    _list_projects_by_modified | while read name; do
      for session in $_tmux_sessions; do
        echo $session | egrep "^${name}\$"
      done
    done

    # List all projects that did not have a tmux session
    _list_projects_by_modified | while read name; do
       echo $sessions | egrep -q -v "^${name}\$" && echo $name
    done
    ;;
  list-sessions)
    tmux_sessions
    ;;
  *)
    echo "Unknown command: $CMD"
    exit 1
esac