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;
pkgs = import nixpkgs-path {};
nix-bitcoin = pkgs.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 $out
'';
in
with pkgs;
stdenv.mkDerivation rec {
name = "nix-bitcoin-environment";
path = lib.makeBinPath [ nix-bitcoin.extra-container ];
shellHook = ''
export NIX_PATH="nixpkgs=${nixpkgs-path}:nix-bitcoin=${toString nix-bitcoin-path}:."
export PATH="${path}''${PATH:+:}$PATH"
export NIX_BITCOIN_EXAMPLES_DIR="${toString ./.}"
fetch-release() {
${toString nix-bitcoin-path}/helper/fetch-release
}
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krops-deploy() {
# Ensure strict permissions on secrets/ directory before rsyncing it to
# the target machine
chmod 700 ${toString ./secrets}
$(nix-build --no-out-link ${toString ./krops/deploy.nix})
}
# Print logo if
# 1. stdout is a TTY, i.e. we're not piping the output
# 2. the shell is interactive
if [[ -t 1 && $- == *i* ]]; then
${figlet}/bin/figlet "nix-bitcoin"
fi
(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
'';
}