pkgs/games/ue4/generate-expr-from-cdn.sh

   1 #!/bin/sh
   2
   3 go() {
   4     file="$1"
   5
   6     IFS=$'\n'
   7     for pack in $(perl -n -e '/(<Pack .*\/>)/ && print "$1\n"' $file); do
   8         remotepath=$(echo "$pack" | perl -n -e '/RemotePath="([^"]*)"/ && print $1')
   9         hash=$(echo "$pack" | perl -n -e '/Hash="([^"]*)"/ && print $1')
  10         url="http://cdn.unrealengine.com/dependencies/$remotepath/$hash"
  11
  12         until sha256=$(nix-prefetch-url $url --type sha256); do
  13             true
  14         done
  15
  16         cat <<EOF
  17   "$hash" = fetchurl {
  18     url = $url;
  19     sha256 = "$sha256";
  20   };
  21 EOF
  22     done
  23 }
  24
  25
  26 cat <<EOF
  27 { fetchurl }:
  28
  29 {
  30 EOF
  31
  32 go Engine/Build/Commit.gitdeps.xml
  33 go Engine/Build/Promoted.gitdeps.xml
  34
  35 cat <<EOF
  36 }
  37 EOF