45d0964e27
- Use idiomatic var name `pkgs` for the imported nixpkgs. - Don't add `figlet` to PATH because it's only used internally. - Only print figlet in interactive shells to avoid interfering with stdout when running `nix-shell --run <cmd>`. - Define `fetch-release` as a function to enable running it via `nix-shell --run fetch-release`
54 lines
1.6 KiB
Nix
54 lines
1.6 KiB
Nix
let
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# This is either a path to a local nix-bitcoin source or an attribute set to
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# be used as the fetchurl argument.
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nix-bitcoin-release = import ./nix-bitcoin-release.nix;
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nix-bitcoin-path =
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if builtins.isAttrs nix-bitcoin-release then nix-bitcoin-unpacked
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else nix-bitcoin-release;
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nixpkgs-path = (import "${toString nix-bitcoin-path}/pkgs/nixpkgs-pinned.nix").nixpkgs;
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pkgs = import nixpkgs-path {};
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nix-bitcoin = pkgs.callPackage nix-bitcoin-path {};
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nix-bitcoin-unpacked = (import <nixpkgs> {}).runCommand "nix-bitcoin-src" {} ''
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mkdir $out; tar xf ${builtins.fetchurl nix-bitcoin-release} -C $out
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'';
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in
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with pkgs;
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stdenv.mkDerivation rec {
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name = "nix-bitcoin-environment";
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path = lib.makeBinPath [ nix-bitcoin.extra-container ];
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shellHook = ''
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export NIX_PATH="nixpkgs=${nixpkgs-path}:nix-bitcoin=${toString nix-bitcoin-path}:."
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export PATH="${path}''${PATH:+:}$PATH"
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export NIX_BITCOIN_EXAMPLES_DIR="${toString ./.}"
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fetch-release() {
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${toString nix-bitcoin-path}/helper/fetch-release
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}
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krops-deploy() {
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# Ensure strict permissions on secrets/ directory before rsyncing it to
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# the target machine
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chmod 700 ${toString ./secrets}
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$(nix-build --no-out-link ${toString ./krops/deploy.nix})
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}
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# Print logo if
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# 1. stdout is a TTY, i.e. we're not piping the output
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# 2. the shell is interactive
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if [[ -t 1 && $- == *i* ]]; then
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${figlet}/bin/figlet "nix-bitcoin"
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fi
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(mkdir -p secrets; cd secrets; env -i ${nix-bitcoin.generate-secrets})
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# Don't run this hook when another nix-shell is run inside this shell
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unset shellHook
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'';
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}
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