#!/usr/bin/env nuxsh

nux.use nux/fs

## Symlink management tool
##

## relativize:: <link>
##   Converts absolute symlinks to relative ones
##
@command relativize {
  for p in "$@"; do
    if nux.check.file.symlink "$p"; then
      target=$(nux.fs.symlink.target "$p");

      if nux.fs.check.absolute "$target"; then
        link_dir=$(nux.fs.dirname "$p")
        link_name=$(nux.fs.name "$p")
        nux.fs.info "$p" Relativizing symlink
        nux.fs.symlink "$target" "$link_dir" "$link_name"
      fi
    fi
  done
}

## remove-source:: <link>
##   Removes the source of a symlink and any symbolic links that were encountered
##   during dereferencing.
##
@command remove-source {
  for p in "$@"; do
    if nux.check.file.symlink "$p"; then
      target="$(realpath "$p")"
      next="$p"
      while [ -L "$next" ]; do
        current="$next"
        next=$(nux.fs.symlink.target "$current")
        nux.fs.info "$current" Deleting symlink
        rm "$current"
      done
      if [  -e "$target" ]; then
        nux.fs.info "$target" Deleting source
        rm "$target"
      fi
       
    fi 
  done
}