#!/bin/bash
    
    # Run notmuch on remote host over SSH
    #
    # https://notmuchmail.org/remoteusage/
    #
    # Put this script in your path and add (setq notmuch-command
    # "notmuch-remote") to your emacs configuration.
    #
    # Add a host specification for "notmuch" to ~/.ssh/config to set the
    # remote host and (optionally) remote user.
    #
    # Host notmuch
    #     HostName host.example.org
    #     User username
    
    SSH_REMOTE_HOST=notmuch

    # Note: for security reasons the control socket is placed in ~/.ssh
    SSH_CONTROL_PATH='-o ControlPath=~/.ssh/notmuch-remote.%r@%h:%p'
    
    # Start a background master connection if one isn't running yet
    ssh ${SSH_CONTROL_PATH} -O check ${SSH_REMOTE_HOST} 2>/dev/null ||
    ssh ${SSH_CONTROL_PATH} -MNf ${SSH_REMOTE_HOST}
    
    # The ControlPersist option (in OpenSSH 5.6) could be used to start
    # the master connection automatically when "ssh host notmuch" is run.
    
    # This requires the bash version of printf (bashism)
    printf -v ARGS "%q " "$@"
    exec ssh ${SSH_CONTROL_PATH} ${SSH_REMOTE_HOST} notmuch ${ARGS}