471 lines
12 KiB
Bash
Executable File
471 lines
12 KiB
Bash
Executable File
#!/bin/bash
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#
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#/
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#/ Usage:
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#/ music-sync <options> -s|--source <source> -d|--dest <destination>
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#/ music-sync <options> <source> <destination>
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#/
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#/ Syncronises music from one folder to another.
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#/
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#/ Options:
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#/ -s, --source <source> The source folder of the music
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#/ -d, --dest <destination> The destination folder of the music
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#/ -t, --temp <folder> The temporary cache for converted files (default: /tmp/converted)
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#/ -c, --convert <bitrate> Convert files to a given bitrate in kbps before syncing (default: 192)
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#/ -a, --resize-art <width> Resize album-art before syncing (default width: 200)
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#/ -j, --jobs <nproc> Number of processes to use in multi-threading (default: nproc - 2)
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#/ -v, --verbose <0-6> Set log level (default: 2)
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#/ -h, --help Display this help text
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#/
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#/ Log levels:
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#/ 0 | Verbose
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#/ 1 | Debug
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#/ 2 | Info
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#/ 3 | Warning
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#/ 4 | Error
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#/ 5 | Fatal
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#/ 6 | Silence
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#/
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#/ Exit Codes:
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#/ 1 Dependencies not met
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#/ 2 Invalid Argument
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#/ 3 Source Unreachable
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#/ 4 Destination Unreachable
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#/ 5 Command failed
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#/
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begin=$(date +"%s")
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# saner programming env: these switches turn some bugs into errors
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set -o errexit -o pipefail -o noclobber -o nounset
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source="-"
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dest="-"
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convert=false
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verbose=2
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bitrate=192
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help=false
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temp="/tmp/converted"
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convertart=false
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coverartsize=200
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jobcount=$(expr $(nproc) - 2)
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multithread=false
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script_name=$(basename "${0}")
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script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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CheckDeps() {
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if [[ $1 == 0 ]]; then
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# Check getopt
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! getopt --test > /dev/null
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if [[ ${PIPESTATUS[0]} -ne 4 ]]; then
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VerboseOutput 5 "\`getopt --test\` failed"
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VerboseOutput 5 "Sorry, It seems that your shell is not supported"
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VerboseOutput 5 "If you're using MacOS or another unix-like system, please install GNU getopt"
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ExecTime
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exit 1
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fi
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VerboseOutput 0 "\`getopt --test\` succeeded"
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fi
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if [[ $1 == 1 ]]; then
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# Check ffmpeg
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if [[ $convert == true && ! $(ffmpeg -h 2>/dev/null) ]]; then
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VerboseOutput 5 "\`ffmpeg -h\` failed"
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VerboseOutput 5 "Sorry, It seems that ffmpeg is not installed on your system"
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VerboseOutput 5 "Please install ffmpeg from your repositories and make sure it is available in your \$PATH"
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VerboseOutput 5 "Otherwise disable conversion"
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ExecTime
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exit 1
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fi
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VerboseOutput 0 "\`ffmpeg -h\` succeeded"
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# Check EyeD3
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if [[ $convertart == true && ! $(eyeD3 --version 2>/dev/null) ]]; then
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VerboseOutput 5 "\`eyeD3 --version\` failed"
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VerboseOutput 5 "Sorry, It seems that eyeD3 is not installed on your system"
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VerboseOutput 5 "Please install eyeD3 from your repositories and make sure it is available in your \$PATH"
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VerboseOutput 5 "Otherwise disable albumart conversion"
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ExecTime
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exit 1
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fi
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VerboseOutput 0 "\`eyeD3 --version\` succeeded"
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# Check ImageMagick
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if [[ $convertart == true && ! $(convert --version 2>/dev/null) ]]; then
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VerboseOutput 5 "\`convert --version\` failed"
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VerboseOutput 5 "Sorry, It seems that ImageMagick is not installed on your system"
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VerboseOutput 5 "Please install ImageMagick from your repositories and make sure it is available in your \$PATH"
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VerboseOutput 5 "Otherwise disable albumart conversion"
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ExecTime
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exit 1
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fi
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VerboseOutput 0 "\`convert --version\` succeeded"
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# Check Gnu parallel
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if [[ $multithread == true && ! $(parallel -h 2>/dev/null) ]]; then
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VerboseOutput 5 "\`parallel -h\` failed"
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VerboseOutput 5 "Sorry, It seems that parallel is not installed on your system"
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VerboseOutput 5 "Please install gnu-parallel and env_parallel from your repositories and make sure it is available in your \$PATH"
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VerboseOutput 5 "Otherwise disable multithreading"
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ExecTime
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exit 1
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fi
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VerboseOutput 0 "\`parallel -h \` succeeded"
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fi
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VerboseOutput 1 "Dependency test OK"
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=s:d:t:c::a::v::hj::
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LONGOPTS=source:,dest:,temp:,convert::,resize-art::,verbose::,help,jobs::
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt’s output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-v|--verbose)
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verbose=2
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if [[ $2 != "" ]]; then
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verbose=${2}
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fi
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shift 2
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;;
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-h|--help)
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help=true
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shift
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;;
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-s|--source)
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VerboseOutput 0 "--source given."
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VerboseOutput 1 "Source is ${2}"
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source="$2"
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shift 2
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;;
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-d|--dest)
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VerboseOutput 0 "--dest given."
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VerboseOutput 1 "Destination is ${2}"
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dest="$2"
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shift 2
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;;
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-t|--temp)
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VerboseOutput 0 "--temp given"
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VerboseOutput 1 "Tempfolder is ${2}"
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temp="$2"
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shift 2
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;;
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-c|--convert)
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VerboseOutput 0 "--convert given"
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convert=true
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bitrate=192
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if [[ $2 != "" ]]; then
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bitrate=${2}
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fi
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VerboseOutput 1 "Converted bitrate is ${bitrate}"
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shift 2
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;;
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-a|--resize-art)
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VerboseOutput 0 "--resize-art given"
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convertart=true
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coverartsize=200
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if [[ $2 != "" ]]; then
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coverartsize=${2}
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fi
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shift 2
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VerboseOutput 1 "Album art will ${coverartsize}px wide"
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;;
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-j|--jobs)
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VerboseOutput 0 "--jobs given"
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multithread=true
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jobcount=$(expr $(nproc) - 2)
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if [[ $2 != "" ]]; then
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jobcount=${2}
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fi
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shift 2
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VerboseOutput 1 "Multithreading will use ${jobcount} threads"
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;;
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--)
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shift
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break
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;;
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*)
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VerboseOutput 5 "Programming error"
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return 3
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;;
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esac
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done
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if [[ ! -z "${1+x}" ]]; then
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if [[ ${source} != "-" ]]; then
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VerboseOutput 4 "Source provided twice. Continueing with ${1}"
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fi
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source="$1"
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VerboseOutput 1 "Source is ${1}"
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fi
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if [[ ! -z "${2+x}" ]]; then
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if [[ ${dest} != "-" ]]; then
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VerboseOutput 4 "Destination provided twice. Continueing with ${2}"
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fi
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dest="$2"
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VerboseOutput 1 "Destination is ${2}"
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fi
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if [[ $dest == "-" ]] || [[ $source == "-" ]]; then
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help=true
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fi
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VerboseOutput 1 "Checks OK. Going on"
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}
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Usage() {
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grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
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}
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VerboseOutput() {
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level=""
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if [[ $verbose -le $1 ]]; then
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case "$1" in
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0)
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level="\033[1;36mVerbose\033[0m"
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;;
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1)
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level="\033[1;34m Debug \033[0m"
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;;
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2)
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level="\033[1;37m Info \033[0m"
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;;
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3)
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level="\033[1;33mWarning\033[0m"
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;;
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4)
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level="\033[1;31m Error \033[0m"
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;;
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5)
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level="\033[1;30m Fatal \033[0m"
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;;
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esac
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echo -e "[$level] $2" >&2
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fi
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}
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CreateFileList() {
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# ${1} /mnt/hdd/Example-Artist/Example-Album
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# ${2} /mnt/mtp/Example-Artist/Example-Album
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# ${3} Example-Artist/Example-Album
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IFS=""
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sourcepath="${1/\[/\\\[}/*"
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sourcepath="${sourcepath/\]/\\\]}"
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for file in $sourcepath; do
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origfile="${file#"$1/"}"
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relfile=$(echo ${origfile} | sed -e 's/\(\.\)*$//g' | tr -s ' ')
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mp3file=$(echo "${relfile}" | sed -e 's/.flac/.mp3/')
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VerboseOutput 0 "Checking ${origfile}"
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if [[ -d "${1}/$origfile" ]]; then
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VerboseOutput 0 "${origfile} is folder"
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newdir="${3}/$origfile"
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newdir=${newdir#"/"}
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VerboseOutput 1 "Entering $newdir"
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CreateFileList "${1}/$origfile" "${2}/$relfile" "$newdir"
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elif [[ "${1}/$origfile" != *".m3u" ]] && [[ "${1}/$origfile" -nt "${2}/$mp3file" ]]; then
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echo ${3}/$origfile >> /tmp/music-sync-filelist
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VerboseOutput 0 "${origfile} is newer in source"
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VerboseOutput 2 "Added: ${3}/${origfile}"
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fi
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if [[ "${1}/$origfile" == *".m3u" ]]; then
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VerboseOutput 0 "${origfile} is playlist"
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fi
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done
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}
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Execute() {
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curline=0
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percentage=0
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IFS="
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";
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if [[ $multithread == true ]]; then
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VerboseOutput 3 "Running in parallel. Mind your load"
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export -f ProcessFile
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export -f ConvertFile
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export -f CopyFile
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export -f VerboseOutput
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export -f ExecTime
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export dest
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export source
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export bitrate
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export convert
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export temp
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export verbose
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export coverartsize
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export begin
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parallel --jobs ${jobcount} --line-buffer --arg-file "/tmp/music-sync-filelist" ProcessFile
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else
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for line in $(cat "/tmp/music-sync-filelist")
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do
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curline=$(expr ${curline} + 1)
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total=$(cat /tmp/music-sync-filelist | wc -l)
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percentage=$(echo "scale=4;${curline}/${total}" | bc)
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percentage=$(echo "scale=2;${percentage}*100" | bc)
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VerboseOutput 2 "Current file: $line"
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VerboseOutput 2 "Progress: $curline / $total (${percentage%00}%)"
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ProcessFile $line
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done
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fi
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VerboseOutput 2 "Done!"
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}
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ProcessFile() {
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line=${1}
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VerboseOutput 2 "Current File: $line"
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if [[ $convert == true ]]; then
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ConvertFile "$line"
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fi
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CopyFile "$line"
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}
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ConvertFile() {
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line=${1}
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if [[ ! -f "${source}/$line" ]]; then
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VerboseOutput 5 "Source-file ${source}/$line Unreachable"
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ExecTime
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exit 3
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fi
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if [[ "$temp/$line" = */* ]]; then
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VerboseOutput 0 "Creating folder $temp/${line%/*}"
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mkdir -p "$temp/${line%/*}";
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fi;
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mp3line=$(echo "$line" | sed -e 's/.flac/.mp3/')
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if [[ ! -f "$temp/$mp3line" || "${source}/$mp3line" -nt "$temp/$mp3line" ]]; then
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if [[ $line != *".mp3" ]]; then
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VerboseOutput 3 "${line} will be converted to mp3-file ${mp3line}"
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fi
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VerboseOutput 0 "Converting MP3-file $line"
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ffmpeg -y -i "$source/$line" -acodec libmp3lame -map_metadata 0 -id3v2_version 3 -b:a ${bitrate}k "$temp/${mp3line}" 1>/dev/null 2>/dev/null
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if [[ $convertart == true ]]; then
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VerboseOutput 0 "Creating folder $temp/${mp3line}-images/"
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mkdir -p "$temp/${mp3line}-images/"
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VerboseOutput 0 "Extracted albumart"
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eyeD3 --write-images "$temp/${mp3line}-images/" "$temp/${mp3line}" 1>/dev/null 2>/dev/null
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frontcovers=(${temp}/${mp3line}-images/FRONT_COVER.*)
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if [ -e "$frontcovers" ]; then
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VerboseOutput 0 "Converting albumart"
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convert "$temp/${mp3line}-images/FRONT_COVER.*" -resize ${coverartsize}x${coverartsize} "$temp/${mp3line}-images/FRONT_COVER.jpg" 1>/dev/null 2>/dev/null
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eyeD3 --remove-all-images "$temp/${mp3line}" 1>/dev/null 2>/dev/null
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VerboseOutput 0 "Embedding albumart"
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eyeD3 --add-image "$temp/${mp3line}-images/FRONT_COVER.jpg:FRONT_COVER" "$temp/${mp3line}" 1>/dev/null 2>/dev/null
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VerboseOutput 1 "Converted cover art: ${mp3line}"
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else
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VerboseOutput 4 "No front cover art found for ${mp3line}"
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fi
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fi
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VerboseOutput 1 "Converted: $line"
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else
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VerboseOutput 3 "$line already converted"
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fi;
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}
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CopyFile() {
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line=${1}
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if [[ ! -d "$dest" ]]; then
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VerboseOutput 5 "Destination unreachable"
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ExecTime
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exit 4
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fi
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if [[ $convert == true ]]; then
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mp3line=$(echo "$line" | sed -e 's/.flac/.mp3/')
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else
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mp3line=$(echo "$line")
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fi
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if [[ ! -f "${temp}/$mp3line" ]]; then
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VerboseOutput 5 "Source-file ${temp}/$mp3line Unreachable"
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ExecTime
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exit 3
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fi
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destline=$(echo $mp3line | sed -e 's/\.*\//\//g'| tr -s ' ')
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VerboseOutput 1 "Copying: $line"
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if [[ "$dest/$line" = */* ]]; then
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VerboseOutput 0 "Creating folder $dest/${line%/*}"
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mkdir -p "$dest/${destline%/*}";
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fi;
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cp -fv "$temp/$mp3line" "$dest/${destline}" 1>/dev/null 2>/dev/null
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VerboseOutput 1 "Copied: $line"
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}
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CleanUp() {
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VerboseOutput 1 "Cleaning Up"
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if [[ -f /tmp/music-sync-filelist ]]; then
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VerboseOutput 1 "Removing filelist"
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rm "/tmp/music-sync-filelist"
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fi
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VerboseOutput 1 "Done"
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}
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ExecTime() {
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termin=$(date +"%s")
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difftimelps=$(($termin-$begin))
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VerboseOutput 1 "$(($difftimelps / 60)) minutes and $(($difftimelps % 60)) seconds elapsed for Script Execution."
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}
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ErrorHandler() {
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VerboseOutput 5 "Error while executing $1"
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CleanUp
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exit 5
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}
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ExitHandler() {
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VerboseOutput 5 "Aborted"
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CleanUp
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exit 0
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}
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trap 'ExitHandler' SIGINT
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trap 'ErrorHandler $BASH_COMMAND' ERR
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CheckDeps 0
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GetOptions $@
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CheckDeps 1
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if [[ $help == true ]]; then
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Usage
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exit
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fi
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if [[ -f /tmp/music-sync-filelist ]]; then
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rm /tmp/music-sync-filelist
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fi
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VerboseOutput 2 "Scanning for new or updated files"
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CreateFileList $source $dest ""
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if [[ ! -f /tmp/music-sync-filelist ]]; then
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VerboseOutput 2 "Nothing to do!"
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CleanUp
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exit 0
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fi
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if [[ $convert == false ]]; then
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if [[ $temp != "/tmp/converted" ]]; then
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VerboseOutput 2 "Conversion not enabled. Ignoring cache folder"
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fi
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temp=$source
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fi
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Execute
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CleanUp
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ExecTime
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