nixpkgs/pkgs/build-support/autonix/manifest.sh

#!@bash@/bin/bash

@coreutils@/bin/mkdir tmp; cd tmp

@wget@/bin/wget -nH -r -c --no-parent $*

cat >../manifest.nix <<EOF
# This file is generated automatically. DO NOT EDIT!
{ stdenv, fetchurl, mirror }:
[
EOF

workdir=$(pwd)

@findutils@/bin/find . | while read path; do
    if [[ -f "${path}" ]]; then
        url="${path:2}"
        # Sanitize file name
        name=$(@coreutils@/bin/basename "${path}" | tr '@' '_')
        dirname=$(@coreutils@/bin/dirname "${path}")
        mv "${workdir}/${path}" "${workdir}/${dirname}/${name}"
        # Prefetch and hash source file
        sha256=$(@nix@/bin/nix-prefetch-url "file://${workdir}/${dirname}/${name}")
        store=$(@nix@/bin/nix-store --print-fixed-path sha256 "$sha256" "$name")
        cat >>../manifest.nix <<EOF
  {
    name = stdenv.lib.nameFromURL "${name}" ".tar";
    store = "${store}";
    src = fetchurl {
      url = "\${mirror}/${url}";
      sha256 = "${sha256}";
      name = "${name}";
    };
  }
EOF
    fi
done

echo "]" >>../manifest.nix

cd ..