Retarget absolute local symlinks for old mountpoint into relative symlinks #script

retarget-symlinks.sh

#!/bin/bash

# This is the old absolute mountpoint which no longer exists
old=/mnt/Archive
# This is the current mountpoint, 
# which is factored out of the relative paths, 
# but is needed for the symlinks to be repaired
new=/run/media/deck/Hatshepsut/Archive

find . -type l | while read f; do # for each deeply nested symlinks
  oldtarget=$(readlink "$f") # read the old target
  if [[ "$oldtarget" =~ ^$old ]]; then # only if the old target used the old mountpoint
    newtarget=$(echo "$oldtarget" | sed "s:$old:$new:g") # generate a new target with the new mountpoint
    ln -fsr "$newtarget" "$f" # and force a new symlink relatively with the same symlink file
  fi
done