Initial commit

scripts/sync-music

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+# Sync and transcode music files to a destination directory
+set -e
+
+SRC="${1:?Source directory required}"
+DST="${2:?Destination directory required}"
+JOBS="${3:-12}"
+
+command -v opusenc >/dev/null || { echo "ERROR: opusenc not found" >&2; exit 1; }
+
+mkdir -p "$DST"
+
+echo "Syncing music from $SRC to $DST (using $JOBS parallel jobs)"
+
+# Process source files in parallel
+process_file() {
+  local src="$1"
+  local rel="${src#"$SRC/"}"
+  local dst="$DST/$rel"
+  
+  case "${src,,}" in
+    *.flac)
+      dst="${dst%.*}.opus"
+      if [[ ! -f "$dst" || "$src" -nt "$dst" ]]; then
+        echo "Converting: $rel"
+        mkdir -p "$(dirname "$dst")"
+        opusenc --quiet --bitrate 160 --vbr "$src" "$dst"
+      fi
+      ;;
+    *.mp3)
+      if [[ ! -f "$dst" || "$src" -nt "$dst" ]]; then
+        echo "Copying: $rel"
+        mkdir -p "$(dirname "$dst")"
+        cp -p "$src" "$dst"
+      fi
+      ;;
+  esac
+}
+
+export -f process_file
+export SRC DST
+
+find -L "$SRC" -type f \( -iname "*.flac" -o -iname "*.mp3" \) -print0 | \
+  xargs -0 -P "$JOBS" -I {} bash -c 'process_file "$@"' _ {}
+
+# Remove stray files
+while IFS= read -r -d '' dst; do
+  rel="${dst#"$DST/"}"
+  base="${rel%.*}"
+  
+  case "${dst,,}" in
+    *.opus)
+      [[ -f "$SRC/$base.flac" || -f "$SRC/$base.FLAC" ]] && continue
+      echo "Removing: $rel"
+      rm -f "$dst"
+      ;;
+    *.mp3)
+      [[ -f "$SRC/$rel" ]] && continue
+      echo "Removing: $rel"
+      rm -f "$dst"
+      ;;
+  esac
+done < <(find -L "$DST" -type f \( -iname "*.opus" -o -iname "*.mp3" \) -print0)
+
+# Clean empty directories
+find "$DST" -type d -empty -delete 2>/dev/null || true
+
+echo "Done"