#!/bin/bash

# Consolidate albums of < 3 tracks to a "medley" album

find . -wholename './.git' -prune -o -type d -links 2 \
     -exec /bin/bash -c 'a=( "{}"/* ); [[ ${#a[*]} -lt 3 ]]' ';' -print |
  while IFS=$'\n' read -r dir; do
    for f in "$dir"/*; do
      # echo "$f"
      p1=$(echo "$f" | cut -d/ -f 2)
      p2=$(basename "$f")
      if [[ "$p1" == "Various Artists" ]]; then
        newf="./Various Artists/Medley/$p2"
      else
        newf="./Various Artists/Medley/$p1-$p2"
      fi
      git mv "$f" "$newf"
    done
  done

# May need to do multiple times to remove all empty dirs
find . -wholename './.git' -prune -o -type d -empty -print |
  while IFS=$'\n' read -r dir; do
    echo rmdir "$dir"
  done