Script to mount/unmount a directory containing music; run cmus against that directory

music.sh

#!/bin/sh

# Local dir: Place to mount remote dir
# Remote dir: Place to connect to when mounting fs
LOCAL_DIR=/mnt/music
REMOTE_DIR=senkwich@senkbeil.org:/datadrive/music

# Internal program settings
MUSIC_PLAYER=cmus
SSHFS=sshfs
UMOUNT=umount

# Internal CLI options
DO_MOUNT=false
DO_UNMOUNT=false
DO_PLAYER=false
VERBOSE=false
HELP=false

# Parse CLI arguments
for i in "$@"; do
case $i in
    --mount)
    DO_MOUNT=true
    shift # past argument=value
    ;;
    --unmount)
    DO_UNMOUNT=true
    shift # past argument=value
    ;;
    --remount)
    DO_MOUNT=true
    DO_UNMOUNT=true
    shift # past argument=value
    ;;
    --start-player)
    DO_PLAYER=true
    shift # past argument=value
    ;;
    -p=*|--player=*)
    MUSIC_PLAYER="${i#*=}"
    shift # past argument=value
    ;;
    -l=*|--local-dir=*)
    LOCAL_DIR="${i#*=}"
    shift # past argument=value
    ;;
    -r=*|--remote-dir=*)
    REMOTE_DIR="${i#*=}"
    shift # past argument=value
    ;;
    -h|--help)
    HELP=true
    shift # past argument with no value
    ;;
    -v|--verbose)
    VERBOSE=true
    shift # past argument with no value
    ;;
    *)
        # unknown option
    ;;
esac
done

# Update paths to be absolute
MUSIC_PLAYER_ABS=`which $MUSIC_PLAYER`
SSHFS_ABS=`which $SSHFS`
UMOUNT_ABS=`which $UMOUNT`

# Check if needed programs are defined
if [ -z "${MUSIC_PLAYER_ABS:+1}" ]; then
    printf "Cannot find music player: $MUSIC_PLAYER\n"
    exit 1
fi
if [ -z "${SSHFS_ABS:+1}" ]; then
    printf "Cannot find SSH FS: $SSHFS\n"
    exit 1
fi
if [ -z "${UMOUNT_ABS:+1}" ]; then
    printf "Cannot find umount: $UMOUNT\n"
    exit 1
fi

# If verbose flag toggled, display internal programs
if [ $VERBOSE == true ]; then
    printf "=== PROGRAMS ===\n"
    printf "Music player: $MUSIC_PLAYER\n"
    printf "SSH FS: $SSHFS\n"
    printf "Umount: $UMOUNT\n"
    printf "\n"
    printf "=== DIRECTORIES ===\n"
    printf "Local directory: $LOCAL_DIR\n"
    printf "Remote directory: $REMOTE_DIR\n"
    printf "\n"
fi

# If help requested (or nothing provided)
if [ $HELP == true ] || { [ $DO_MOUNT == false ] && [ $DO_UNMOUNT == false ] && [ $DO_PLAYER == false ]; }; then
    printf "Usage: music.sh [options]\n"
    printf "\n"
    printf "Options:\n"
    printf "\t--mount\t\t\tMounts the music dir\n"
    printf "\t--unmount\t\tUnmounts the music dir\n"
    printf "\t--remount\t\tUnmounts and then mounts the music dir\n"
    printf "\t--start-player\t\tOpens up music player to mounted dir\n"
    printf "\t-p, --player\t\tSets the music player\n"
    printf "\t-l, --local-dir\t\tSets local mounting directory\n"
    printf "\t-r, --remote-dir\tSets remote mounting directory\n"
    printf "\t-h, --help\t\tPrints help message\n"
    printf "\t-v, --verbose\t\tIncludes additional log output\n"
    printf "\n"
    exit 0
fi

# Unmount music
if [ $DO_UNMOUNT == true ]; then
    printf "Unmounting $LOCAL_DIR\n"
    $UMOUNT $LOCAL_DIR
fi

# Mount music
if [ $DO_MOUNT == true ]; then
    printf "Mounting $LOCAL_DIR from $REMOTE_DIR\n"
    $SSHFS $REMOTE_DIR $LOCAL_DIR
fi

# Open music player
if [ $DO_PLAYER == true ]; then
    printf "Opening $MUSIC_PLAYER in $LOCAL_DIR\n"
    (cd $LOCAL_DIR && $MUSIC_PLAYER)
fi