nix-bitcoin/examples/shell.nix

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let
# This is either a path to a local nix-bitcoin source or an attribute set to
# be used as the fetchurl argument.
nix-bitcoin-release = import ./nix-bitcoin-release.nix;
nix-bitcoin-path =
if builtins.isAttrs nix-bitcoin-release then nix-bitcoin-unpacked
else nix-bitcoin-release;
nixpkgs-path = (import "${toString nix-bitcoin-path}/pkgs/nixpkgs-pinned.nix").nixpkgs;
nixpkgs = import nixpkgs-path {};
nix-bitcoin = nixpkgs.callPackage nix-bitcoin-path {};
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nix-bitcoin-unpacked = (import <nixpkgs> {}).runCommand "nix-bitcoin-src" {} ''
mkdir $out; tar xf ${builtins.fetchurl nix-bitcoin-release} -C $out
'';
in
with nixpkgs;
stdenv.mkDerivation rec {
name = "nix-bitcoin-environment";
path = lib.makeBinPath [ nix-bitcoin.nixops19_09 nix-bitcoin.extra-container figlet ];
shellHook = ''
export NIX_PATH="nixpkgs=${nixpkgs-path}:nix-bitcoin=${toString nix-bitcoin-path}:."
export PATH="${path}''${PATH:+:}$PATH"
alias fetch-release="${toString nix-bitcoin-path}/helper/fetch-release"
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# ssh-agent and nixops don't play well together (see
# https://github.com/NixOS/nixops/issues/256). I'm getting `Received disconnect
# from 10.1.1.200 port 22:2: Too many authentication failures` if I have a few
# keys already added to my ssh-agent.
export SSH_AUTH_SOCK=""
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figlet "nix-bitcoin"
(mkdir -p secrets; cd secrets; env -i ${nix-bitcoin.generate-secrets})
# Don't run this hook when another nix-shell is run inside this shell
unset shellHook
'';
}