bin: add music-copy

.local/bin/music-copy

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+SRC_DIR="$HOME/music"
+DEST_DIR="/run/media/$USER/F967-1B77/Music"
+
+die() {
+    printf '%s: %s\n' "${0##*/}" "$1" >&2
+    exit 1
+}
+
+# Check source and destination directories
+[ -d "$SRC_DIR" ] || die "no such directory: $SRC_DIR"
+[ -d "$DEST_DIR" ] || die "no such directory: $DEST_DIR"
+
+# Sync directories and artwork
+rsync -a --include '*/' --exclude '*.flac' "$SRC_DIR/" "$DEST_DIR/"
+
+# Transcode audio
+find "$SRC_DIR" -type f -name '*.flac' | while read -r src_file; do
+    rel_path="${src_file#"$SRC_DIR"/}"
+    dest_path="$DEST_DIR/${rel_path%.*}.opus"
+
+    [ -f "$dest_path" ] || ffmpeg -nostdin -i "$src_file" -c:a libopus -b:a 96k "$dest_path"
+done