nixpkgs/pkgs/tools/virtualization/amazon-ec2-ami-tools/default.nix

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{ stdenv, fetchurl, unzip, ruby, openssl, makeWrapper }:
stdenv.mkDerivation {
name = "ec2-ami-tools";
buildInputs = [unzip makeWrapper];
src = fetchurl {
url = http://s3.amazonaws.com/ec2-downloads/ec2-ami-tools.zip;
sha256 = "2a7c848abea286234adcbb08938cfad50b844ecdfc7770e781289d9d396a1972";
};
# Amazon EC2 requires that disk images are writable. If they're
# not, the VM immediately terminates with a mysterious
# "Server.InternalError" message. Since disk images generated in
# the Nix store are read-only, they must be made writable in the
# tarball uploaded to Amazon S3. So add a `--mode=0755' flag to the
# tar invocation.
patches = [ ./writable.patch ];
installPhase =
''
ensureDir $out
mv * $out
rm $out/*.txt
for i in $out/bin/*; do
wrapProgram $i \
--set EC2_HOME $out \
--prefix PATH : ${ruby}/bin:${openssl}/bin
done
sed -i 's|/bin/bash|${stdenv.shell}|' $out/lib/ec2/platform/base/pipeline.rb
'';
meta = {
homepage = http://developer.amazonwebservices.com/connect/entry.jspa?externalID=368&categoryID=88;
description = "Command-line tools to create and manage Amazon EC2 virtual machine images";
license = "unfree-redistributable";
};
}