refactor: music-transcode

kubernetes/apps/default/homelab/ks.yaml

@@ -3,14 +3,14 @@
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
 metadata:
-  name: &app music-transcode
+  name: &app homelab-music-transcode
   namespace: flux-system
 spec:
   targetNamespace: default
   commonMetadata:
     labels:
       app.kubernetes.io/name: *app
-  path: ./kubernetes/apps/default/music-transcode/app
+  path: ./kubernetes/apps/default/homelab/music-transcode
   prune: true
   sourceRef:
     kind: GitRepository

kubernetes/apps/default/homelab/music-transcode/helmrelease.yaml

@@ -3,7 +3,7 @@
 apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
-  name: &app music-transcode
+  name: &app homelab-music-transcode
   namespace: default
 spec:
   interval: 30m

kubernetes/apps/default/homelab/music-transcode/scripts/transcode.sh

@@ -0,0 +1,330 @@
+#!/bin/bash
+
+# Exit on any error
+set -e
+# Exit on undefined variable
+set -u
+# Exit if any command in pipe fails
+set -o pipefail
+
+# Create a logging function
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*"
+}
+
+checkForVariable() {
+    if [[ -z "${!1:-}" ]]; then
+        log "ERROR: $1 environment variable is not set"
+        exit 1
+    fi
+}
+
+cleanup() {
+    local exit_code=$?
+    log "Cleaning up..."
+    [[ -f "$TRANSCODE_INPUT_DIR/.fdignore" ]] && rm -f "$TRANSCODE_INPUT_DIR/.fdignore"
+    [[ -f "$TRANSCODE_OUTPUT_DIR/.fdignore" ]] && rm -f "$TRANSCODE_OUTPUT_DIR/.fdignore"
+    exit $exit_code
+}
+
+trap cleanup EXIT
+trap 'log "Script interrupted by user"; exit 1' INT TERM
+
+# Initialize variables with defaults
+export MODE_DELETE=false
+export MODE_CHECKSUM=false
+export MODE_DRY_RUN=false
+export TIMESTAMP=$(date "+%Y%m%d_%H%M%S")
+
+# Check required environment variables
+checkForVariable TRANSCODE_INPUT_DIR
+checkForVariable TRANSCODE_OUTPUT_DIR
+
+# Set defaults if not defined
+export TRANSCODE_DB="${TRANSCODE_DB:-${TRANSCODE_OUTPUT_DIR}.transcode}"
+export TRANSCODE_FREAC_BIN="${TRANSCODE_FREAC_BIN:-/app/freaccmd}"
+export TRANSCODE_COVER_EXTENSIONS="${TRANSCODE_COVER_EXTENSIONS:-png jpg}"
+export TRANSCODE_MUSIC_EXTENSIONS="${TRANSCODE_MUSIC_EXTENSIONS:-flac opus mp3 ogg wma m4a wav}"
+export TRANSCODE_FD_FILTERS="${TRANSCODE_FD_FILTERS:---changed-within 1week}"
+
+# Validate directories and files
+for dir in "$TRANSCODE_INPUT_DIR" "$TRANSCODE_OUTPUT_DIR"; do
+    if [[ ! -d "$dir" ]]; then
+        log "ERROR: Directory $dir does not exist"
+        exit 1
+    fi
+done
+
+if [[ ! -f "$TRANSCODE_FREAC_BIN" ]]; then
+    log "ERROR: Binary $TRANSCODE_FREAC_BIN does not exist"
+    exit 1
+fi
+
+if [[ ! -f "$(pwd)/transcode_exclude.cfg" ]]; then
+    log "ERROR: transcode_exclude.cfg file is missing"
+    exit 1
+fi
+
+# Determine fd binary name based on OS
+if grep -q ID_LIKE=debian /etc/os-release; then
+    export TRANSCODE_FD_BIN="fdfind"
+else
+    export TRANSCODE_FD_BIN="fd"
+fi
+
+command -v "$TRANSCODE_FD_BIN" >/dev/null 2>&1 || {
+    log "ERROR: $TRANSCODE_FD_BIN is required but not installed"
+    exit 1
+}
+
+export LD_LIBRARY_PATH="$(dirname "$TRANSCODE_FREAC_BIN")"
+
+# Create transcode DB directory if it doesn't exist
+mkdir -p "$TRANSCODE_DB"
+
+# Parse command line options
+while getopts ':frcd' OPTION; do
+    case "$OPTION" in
+        f)
+            log "INFO: FULL MODE"
+            export TRANSCODE_FD_FILTERS=""
+            ;;
+        r)
+            log "INFO: DELETE MODE"
+            export MODE_DELETE=true
+            ;;
+        c)
+            log "INFO: CHECKSUM MODE"
+            export MODE_CHECKSUM=true
+            ;;
+        d)
+            log "INFO: DRY RUN MODE"
+            export MODE_DRY_RUN=true
+            ;;
+        ?)
+            log "script usage: $(basename "$0") [-f] [-r] [-c] [-d]"
+            exit 1
+            ;;
+    esac
+done
+
+transcode() {
+    local input_file="$1"
+    local output_file="$2"
+    local md5_file="$3"
+
+    log "##: Processing file $input_file..."
+    if [[ $MODE_DRY_RUN == false ]]; then
+        local output
+        if ! output=$("$TRANSCODE_FREAC_BIN" --encoder=opus --bitrate 96 "$input_file" -o "$output_file" 2>&1); then
+            log "ERROR: Transcoding failed for $input_file"
+            log "$output"
+            return 1
+        fi
+
+        if echo "$output" | grep -q "Could not process"; then
+            log "ERROR: Could not process $input_file"
+            log "$output"
+            return 1
+        fi
+
+        mkdir -p "$(dirname "$md5_file")"
+        md5sum "$input_file" | awk '{ print $1 }' > "$md5_file"
+        log "Successfully transcoded: $input_file -> $output_file"
+    fi
+}
+
+write_cue() {
+    local input_file="$1"
+    local output_file="$2"
+    local replacement_string="$3"
+    local md5_file="$4"
+
+    log "##: writing $input_file"
+    if [[ $MODE_DRY_RUN == false ]]; then
+        if ! sed -i "/FILE/c $replacement_string" "$output_file"; then
+            log "ERROR: writing cuefile $output_file"
+            return 1
+        fi
+
+        mkdir -p "$(dirname "$md5_file")"
+        md5sum "$input_file" | awk '{ print $1 }' > "$md5_file"
+        log "Successfully wrote cue: $output_file"
+    fi
+}
+
+write_jpg() {
+    local input_file="$1"
+    local output_file="$2"
+    local md5_file="$3"
+
+    log "##: converting cover $input_file"
+    if [[ $MODE_DRY_RUN == false ]]; then
+        if ! convert "$input_file" -resize 1000 -quality 75 "$output_file"; then
+            log "ERROR: converting cover $input_file"
+            return 1
+        fi
+
+        mkdir -p "$(dirname "$md5_file")"
+        md5sum "$input_file" | awk '{ print $1 }' > "$md5_file"
+        log "Successfully converted cover: $input_file -> $output_file"
+    fi
+}
+
+directory_structure() {
+    local dryrun_flag=""
+    [[ $MODE_DRY_RUN == true ]] && dryrun_flag="--dry-run"
+
+    log "INFO: Creating directory structure with rsync..."
+    if ! rsync -rvz $dryrun_flag --exclude-from="./transcode_exclude.cfg" \
+         --include="*/" --exclude="*" "$TRANSCODE_INPUT_DIR" "$TRANSCODE_OUTPUT_DIR"; then
+        log "ERROR: rsync failed"
+        return 1
+    fi
+}
+
+convert_covers() {
+    log "INFO: Looking for covers to convert..."
+    cd "$TRANSCODE_INPUT_DIR" || exit 1
+
+    for ext in $TRANSCODE_COVER_EXTENSIONS; do
+        log "INFO: Searching for .$ext files..."
+        while IFS= read -r val; do
+            [[ -z "$val" ]] && continue
+
+            local filename="$TRANSCODE_OUTPUT_DIR/${val%.*}.jpg"
+            local md5_filename="$TRANSCODE_DB/${val}.md5"
+            local process_file=false
+
+            # Create output directory if it doesn't exist
+            mkdir -p "$(dirname "$filename")"
+            mkdir -p "$(dirname "$md5_filename")"
+
+            # Check if we need to process this file
+            if [[ ! -f "$md5_filename" ]]; then
+                process_file=true
+                log "Processing new file: $val"
+            elif [[ $MODE_CHECKSUM == true ]]; then
+                if [[ ! -f "$md5_filename" ]] || [[ "$(cat "$md5_filename" 2>/dev/null)" != "$(md5sum "$val" | awk '{ print $1 }')" ]]; then
+                    process_file=true
+                    log "File changed, reprocessing: $val"
+                fi
+            fi
+
+            if [[ $process_file == true ]]; then
+                write_jpg "$val" "$filename" "$md5_filename"
+            fi
+        done < <("$TRANSCODE_FD_BIN" --extension "$ext" $TRANSCODE_FD_FILTERS --type f)
+    done
+}
+
+convert_music() {
+    log "INFO: Looking for music to transcode..."
+    cd "$TRANSCODE_INPUT_DIR" || exit 1
+
+    for ext in $TRANSCODE_MUSIC_EXTENSIONS; do
+        log "INFO: Searching for .$ext files..."
+        while IFS= read -r val; do
+            [[ -z "$val" ]] && continue
+
+            local filebasename="$TRANSCODE_OUTPUT_DIR/${val%.*}"
+            local filename="${filebasename}.opus"
+            local md5_filename="$TRANSCODE_DB/${val}.md5"
+            local process_file=false
+
+            # Create output directory if it doesn't exist
+            mkdir -p "$(dirname "$filename")"
+            mkdir -p "$(dirname "$md5_filename")"
+
+            # Check if we need to process this file
+            if [[ ! -f "$md5_filename" ]]; then
+                process_file=true
+                log "Processing new file: $val"
+            elif [[ $MODE_CHECKSUM == true ]]; then
+                if [[ ! -f "$md5_filename" ]] || [[ "$(cat "$md5_filename" 2>/dev/null)" != "$(md5sum "$val" | awk '{ print $1 }')" ]]; then
+                    process_file=true
+                    log "File changed, reprocessing: $val"
+                fi
+            fi
+
+            if [[ $process_file == true ]]; then
+                transcode "$val" "$filename" "$md5_filename"
+            fi
+        done < <("$TRANSCODE_FD_BIN" --extension "$ext" $TRANSCODE_FD_FILTERS --type f)
+    done
+}
+
+fix_cuefiles() {
+    log "INFO: Looking for cuefiles..."
+    cd "$TRANSCODE_INPUT_DIR" || exit 1
+
+    while IFS= read -r val; do
+        [[ -z "$val" ]] && continue
+
+        local output_file="$TRANSCODE_OUTPUT_DIR/$val"
+        local md5_filename="$TRANSCODE_DB/${val}.md5"
+        local replacement_text_string="FILE \"$(basename "${val%.*}").opus\" MP3"
+        local process_file=false
+
+        # Create output directory if it doesn't exist
+        mkdir -p "$(dirname "$output_file")"
+        mkdir -p "$(dirname "$md5_filename")"
+
+        # Check if we need to process this file
+        if [[ ! -f "$md5_filename" ]]; then
+            process_file=true
+            log "Processing new cuefile: $val"
+        elif [[ $MODE_CHECKSUM == true ]]; then
+            if [[ ! -f "$md5_filename" ]] || [[ "$(cat "$md5_filename" 2>/dev/null)" != "$(md5sum "$val" | awk '{ print $1 }')" ]]; then
+                process_file=true
+                log "Cuefile changed, reprocessing: $val"
+            fi
+        fi
+
+        if [[ $process_file == true ]]; then
+            cp -p "$val" "$output_file"
+            write_cue "$val" "$output_file" "$replacement_text_string" "$md5_filename"
+        fi
+    done < <("$TRANSCODE_FD_BIN" --extension cue $TRANSCODE_FD_FILTERS --type f)
+}
+
+remove_absent_from_source() {
+    cd "$TRANSCODE_DB" || exit 1
+
+    local files
+    files=$("$TRANSCODE_FD_BIN" --extension md5) || return 0
+
+    while IFS= read -r val; do
+        [[ -z "$val" ]] && continue
+
+        local filename="$(dirname "$val")/$(basename "$val" .md5)"
+        if ! "$TRANSCODE_FD_BIN" . "$TRANSCODE_INPUT_DIR/$(dirname "$filename")" 2>/dev/null | grep -qF "$(basename "$filename" .md5)"; then
+            log "INFO: Transcoded file $filename doesn't have a source file: delete"
+            if [[ $MODE_DRY_RUN == false ]]; then
+                rm -f "$TRANSCODE_OUTPUT_DIR/$filename"*
+                rm -f "$TRANSCODE_DB/$filename"*
+            fi
+        fi
+    done <<< "$files"
+
+    log "INFO: removing empty directories..."
+    if [[ $MODE_DRY_RUN == false ]]; then
+        cd "$TRANSCODE_OUTPUT_DIR" || exit 1
+        "$TRANSCODE_FD_BIN" --type empty --exec-batch rmdir {} \; || true
+        cd "$TRANSCODE_DB" || exit 1
+        "$TRANSCODE_FD_BIN" --type empty --exec-batch rmdir {} \; || true
+    fi
+}
+
+# Main execution
+cp -f ./transcode_exclude.cfg "$TRANSCODE_INPUT_DIR/.fdignore"
+cp -f ./transcode_exclude.cfg "$TRANSCODE_OUTPUT_DIR/.fdignore"
+
+if [[ $MODE_DELETE == false ]]; then
+    directory_structure
+    convert_covers
+    convert_music
+    fix_cuefiles
+else
+    remove_absent_from_source
+fi

kubernetes/apps/default/homelab/music-transcode/scripts/transcode_exclude.cfg

@@ -5,3 +5,4 @@ tmp
 .thumbnails
 .qbittorrent
 .usenet
+.lms

kubernetes/apps/default/kustomization.yaml

@@ -19,6 +19,7 @@ resources:
   - ./hajimari/ks.yaml
   - ./home-assistant/ks.yaml
   - ./homebox/ks.yaml
+  - ./homelab/ks.yaml
   - ./homepage/ks.yaml
   - ./jellyfin/ks.yaml
   - ./joplin/ks.yaml
@@ -30,7 +31,6 @@ resources:
   - ./lldap/ks.yaml
   - ./lms/ks.yaml
   - ./lychee/ks.yaml
-  - ./music-transcode/ks.yaml
   - ./navidrome/ks.yaml
   - ./outline/ks.yaml
   - ./paperless/ks.yaml

kubernetes/apps/default/music-transcode/app/scripts/transcode.sh

@@ -1,306 +0,0 @@
-#!/bin/bash
-
-#set -x
-
-exec > >(awk '{ print strftime("[%Y-%m-%d %H:%M:%S]"), $0 }') 2>&1
-
-checkForVariable()
-{
-    local env_var=
-    env_var=$(declare -p "$1")
-    if !  [[ -v $1 && $env_var =~ ^declare\ -x ]]; then
-        echo "ERROR: $1 environment variable is not set"
-        exit 1
-    fi
-}
-
-export MODE_DELETE=false
-export MODE_CHECKSUM=false
-export MODE_DRY_RUN=false
-export TIMESTAMP=$(date "+%Y%m%d_%H%M%S")
-
-checkForVariable TRANSCODE_INPUT_DIR
-checkForVariable TRANSCODE_OUTPUT_DIR
-
-if [ -z "$TRANSCODE_DB" ]; then
-    export TRANSCODE_DB="$TRANSCODE_OUTPUT_DIR.transcode"
-fi
-
-if [ -z "$TRANSCODE_FREAC_BIN" ]; then
-    export TRANSCODE_FREAC_BIN="/app/freaccmd"
-fi
-if [ -z "$TRANSCODE_COVER_EXTENSIONS" ]; then
-    export TRANSCODE_COVER_EXTENSIONS="png jpg"
-fi
-if [ -z "$TRANSCODE_MUSIC_EXTENSIONS" ]; then
-    export TRANSCODE_MUSIC_EXTENSIONS="flac opus mp3 ogg wma m4a wav"
-fi
-if [ -z "$TRANSCODE_FD_FILTERS" ]; then
-    export TRANSCODE_FD_FILTERS="--changed-within 1week"
-fi
-
-if [ ! -d "$TRANSCODE_INPUT_DIR" ]; then
-    echo "ERROR: Directory $TRANSCODE_INPUT_DIR does not exists"
-    exit 1
-fi
-if [ ! -d "$TRANSCODE_OUTPUT_DIR" ]; then
-    echo "ERROR: Directory $TRANSCODE_OUTPUT_DIR does not exists"
-    exit 1
-fi
-if [ ! -f "$TRANSCODE_FREAC_BIN" ]; then
-    echo "ERROR: Binary $TRANSCODE_FREAC_BIN does not exists"
-    exit 1
-fi
-grep -q ID_LIKE=debian /etc/os-release
-if [ $? -eq 0 ]; then
-    export TRANSCODE_FD_BIN="fdfind"
-else
-    export TRANSCODE_FD_BIN="fd"
-fi
-export LD_LIBRARY_PATH=$(dirname $TRANSCODE_FREAC_BIN)
-
-test ! -d $TRANSCODE_DB && mkdir -p $TRANSCODE_DB
-
-if [ ! -f "$(pwd)/transcode_exclude.cfg" ]; then
-    echo "ERROR : transcode_exclude.cfg file is missing"
-    exit 1
-fi
-
-
-while getopts ':frcd' OPTION; do
-    case "$OPTION" in
-        f)
-        echo "INFO: FULL MODE"
-        export TRANSCODE_FD_FILTERS=""
-        ;;
-        r)
-        echo "INFO: DELETE MODE"
-        export MODE_DELETE=true
-        ;;
-        c)
-        echo "INFO: CHECKSUM MODE"
-        export MODE_CHECKSUM=true
-        ;;
-        d)
-        echo "INFO: DRY RUN MODE"
-        export MODE_DRY_RUN=true
-        ;;
-        ?)
-        echo "script usage: $(basename \$0) [-f] [-r] [-c] [-d]"
-        exit 1
-        ;;
-    esac
-done
-
-transcode()
-{
-    input_file=$1
-    output_file=$2
-    md5_file=$3
-
-    echo "##: Processing file $1..."
-    if [ $MODE_DRY_RUN == false ]; then
-        output=$($TRANSCODE_FREAC_BIN --encoder=opus --bitrate 96 "$input_file" -o "$output_file")
-        result=$(echo "$output" | grep -c "Could not process")
-        if [ $result -eq 1 ]; then
-            echo -e "$output"
-            exit 1
-        fi
-        mkdir -p "$TRANSCODE_DB/$(dirname "$input_file")"
-        echo "$(md5sum "$input_file" | awk '{ print $1 }')" > "$md5_file"
-    fi
-}
-
-write_cue()
-{
-    input_file=$1
-    output_file=$2
-    replacement_string=$3
-    md5_file=$4
-
-    echo "##: writing $input_file"
-    if [ $MODE_DRY_RUN == false ]; then
-        sed -i "/FILE/c $replacement_string" "$output_file"
-        if [ $? -ne 0 ]; then
-            echo "ERROR: writing cuefile $output_file"
-            exit 1
-        fi
-        mkdir -p "$TRANSCODE_DB/$(dirname "$input_file")"
-        echo "$(md5sum "$input_file" | awk '{ print $1 }')" > "$md5_file"
-    fi
-}
-
-write_jpg()
-{
-    input_file=$1
-    output_file=$2
-    md5_file=$3
-
-    echo "##: converting cover $input_file"
-    if [ $MODE_DRY_RUN == false ]; then
-        convert "$input_file" -resize 1000 -quality 75 "$output_file"
-        if [ $? -ne 0 ]; then
-            echo "ERROR: converting cover $input_file"
-            exit 1
-        fi
-        mkdir -p "$TRANSCODE_DB/$(dirname "$input_file")"
-        echo "$(md5sum "$input_file" | awk '{ print $1 }')" > "$md5_file"
-    fi
-}
-
-directory_structure()
-{
-    if [ $MODE_DRY_RUN == true ]; then
-        DRYRUN_FLAG="--dry-run"
-    else
-        DRYRUN_FLAG=""
-    fi
-    echo ""
-    echo "INFO: Creating directory structure with rsync..."
-    rsync -rvz $DRYRUN_FLAG --exclude-from="./transcode_exclude.cfg" --include="*/" --exclude="*" $TRANSCODE_INPUT_DIR $TRANSCODE_OUTPUT_DIR
-}
-
-convert_covers()
-{
-    echo "INFO: Looking for covers to convert..."
-    cd $TRANSCODE_INPUT_DIR
-
-    trap "exit" INT
-    for ext in $TRANSCODE_COVER_EXTENSIONS
-    do
-        FILES=$($TRANSCODE_FD_BIN --extension $ext $TRANSCODE_FD_FILTERS)
-        mapfile -t StringArray <<< "$FILES"
-        for val in "${StringArray[@]}"; do
-            if [ ! -z "$val" ]; then
-                FLAG=false
-                FILENAME="$TRANSCODE_OUTPUT_DIR$(dirname "$val")/$(basename "$val" .$ext).jpg"
-                MD5_FILENAME="$TRANSCODE_DB/$(dirname "$val")/$(basename "$val").md5"
-                # Check if a MD5 checksum already exists
-                RESULT=$($TRANSCODE_FD_BIN . "$(dirname "$MD5_FILENAME")" 2> /dev/null | grep -F "$(basename "$MD5_FILENAME")")
-                if [ $? -ne 0 ] ; then
-                    FLAG=true
-                # Check if an existing MD5 checksum is different
-                elif [ $MODE_CHECKSUM == true ]; then
-                    if [ "$(cat "$MD5_FILENAME")" != "$(md5sum "$val" | awk '{ print $1 }')" ]; then
-                        FLAG=true
-                    fi
-                fi
-                if $FLAG; then write_jpg "$val" "$FILENAME" "$MD5_FILENAME"; fi
-            fi
-        done
-    done
-}
-
-convert_music()
-{
-    echo "INFO: Looking for music to transcode..."
-    cd $TRANSCODE_INPUT_DIR
-
-    trap "exit" INT
-    for ext in $TRANSCODE_MUSIC_EXTENSIONS
-    do
-        FILES=$($TRANSCODE_FD_BIN --extension $ext $TRANSCODE_FD_FILTERS)
-        mapfile -t StringArray <<< "$FILES"
-        for val in "${StringArray[@]}"; do
-            if [ ! -z "$val" ]; then
-                FLAG=false
-                FILEBASENAME="$TRANSCODE_OUTPUT_DIR$(dirname "$val")/$(basename "$val" .$ext)"
-                FILENAME="$FILEBASENAME.opus"
-                MD5_FILENAME="$TRANSCODE_DB/$(dirname "$val")/$(basename "$val" .$ext).md5"
-                # Check if a MD5 checksum already exists
-                RESULT=$($TRANSCODE_FD_BIN . "$(dirname "$MD5_FILENAME")" 2> /dev/null | grep -F "$(basename "$MD5_FILENAME")")
-                if [ $? -ne 0 ] ; then
-                    FLAG=true
-                # Check if an existing MD5 checksum is different
-                elif [ $MODE_CHECKSUM == true ]; then
-                    if [ "$(cat "$MD5_FILENAME")" != "$(md5sum "$val" | awk '{ print $1 }')" ]; then
-                        FLAG=true
-                    fi
-                fi
-                if $FLAG; then transcode "$val" "$FILENAME" "$MD5_FILENAME"; fi
-            fi
-        done
-    done
-}
-
-fix_cuefiles()
-{
-    echo "INFO: Looking for cuefiles..."
-    cd $TRANSCODE_INPUT_DIR
-
-    FILES=$($TRANSCODE_FD_BIN --extension cue $TRANSCODE_FD_FILTERS)
-    mapfile -t StringArray <<< "$FILES"
-    for val in "${StringArray[@]}"; do
-        if [ ! -z "$val" ]; then
-            FLAG=false
-            MD5_FILENAME="$TRANSCODE_DB/$val.md5"
-            REPLACEMENT_TEXT_STRING="FILE \"$(basename "$val" .cue).opus\" MP3"
-            # Check if a MD5 checksum already exists
-            RESULT=$($TRANSCODE_FD_BIN . "$(dirname "$MD5_FILENAME")" 2> /dev/null| grep -F "$(basename "$MD5_FILENAME")")
-            if [ $? -ne 0 ] ; then
-                cp -pr "$val" "$TRANSCODE_OUTPUT_DIR/$val"
-                FLAG=true
-            # Check if an existing MD5 checksum is different
-            elif [ $MODE_CHECKSUM == true ]; then
-                if [ "$(cat "$MD5_FILENAME")" != "$(md5sum "$val" | awk '{ print $1 }')" ]; then
-                cp -pr "$val" "$TRANSCODE_OUTPUT_DIR/$val"
-                    FLAG=true
-                fi
-            fi
-            if $FLAG; then write_cue "$val" "$TRANSCODE_OUTPUT_DIR/$val" "$REPLACEMENT_TEXT_STRING" "$MD5_FILENAME"; fi
-        fi
-    done
-}
-
-remove_absent_from_source()
-{
-    cd $TRANSCODE_DB
-
-    EXTENSIONS="md5"
-    for ext in $EXTENSIONS
-    do
-        FILES=$($TRANSCODE_FD_BIN --extension $ext)
-        mapfile -t StringArray <<< "$FILES"
-        for val in "${StringArray[@]}"; do
-            if [ ! -z "$val" ]; then
-                FILENAME=$(dirname "$val")/$(basename "$val" .$ext)
-                RESULT=$($TRANSCODE_FD_BIN . "$TRANSCODE_INPUT_DIR/$(dirname "$FILENAME")" 2> /dev/null | grep -F "$(basename "$FILENAME" .$ext)")
-                # Transcoded file don't have a source file : delete
-                if [ $? -ne 0 ]; then
-                    echo "INFO: Transcoded file $FILENAME don't have a source file : delete"
-                    if [ $MODE_DRY_RUN == false ]; then
-                        rm "$TRANSCODE_OUTPUT_DIR/$FILENAME"*
-                        rm "$TRANSCODE_DB/$FILENAME"*
-                    fi
-                fi
-            fi
-        done
-    done
-
-    echo "INFO: removing empty directories..."
-
-    if [ $MODE_DRY_RUN == false ]; then
-        cd "$TRANSCODE_OUTPUT_DIR"
-        $TRANSCODE_FD_BIN --type empty --exec-batch rmdir
-        cd "$TRANSCODE_DB"
-        $TRANSCODE_FD_BIN --type empty --exec-batch rmdir
-    fi
-}
-
-cp -r ./transcode_exclude.cfg $TRANSCODE_INPUT_DIR/.fdignore
-cp -r ./transcode_exclude.cfg $TRANSCODE_OUTPUT_DIR/.fdignore
-
-if [ $MODE_DELETE == false ]; then
-    directory_structure
-
-    convert_covers
-
-    convert_music
-
-    fix_cuefiles
-else
-    remove_absent_from_source
-fi
-
-rm "$TRANSCODE_INPUT_DIR/.fdignore"
-rm "$TRANSCODE_OUTPUT_DIR/.fdignore"