default.nix

{ stdenv, fetchurl, rustPlatform, darwin }:

with rustPlatform;

buildRustPackage rec {
  name = "pijul-${version}";
  version = "0.10.0";

  src = fetchurl {
    url = "https://pijul.org/releases/${name}.tar.gz";
    sha256 = "1lkipcp83rfsj9yqddvb46dmqdf2ch9njwvjv8f3g91rmfjcngys";
   };

  sourceRoot = "${name}";

  buildInputs = stdenv.lib.optionals stdenv.isDarwin
    (with darwin.apple_sdk.frameworks; [ Security ]);

  doCheck = false;

    cargoSha256 =  "1419mlxa4p53hm5qzfd1yi2k0n1bcv8kaslls1nyx661vknhfamw";
    meta = with stdenv.lib; {
    description = "A distributed version control system";
    homepage = https://pijul.org;
    license = with licenses; [ gpl2Plus ];
    maintainers = [ maintainers.gal_bolle ];
    platforms = platforms.all;
  };
}

error.txt

$ nix-build -A pijul -I nixpkgs=/home/pgowda/nixpkgs/
these derivations will be built:
  /nix/store/5xlhfafvwx7kndid9k8ys6y86yi0r898-pijul-0.10.0.drv
building '/nix/store/5xlhfafvwx7kndid9k8ys6y86yi0r898-pijul-0.10.0.drv'...
unpacking sources
unpacking source archive /nix/store/3s6vdyzkly0mzhgbg2xq08n6mqrzgf2z-pijul-0.10.0.tar.gz
source root is pijul-0.10.0
unpacking source archive /nix/store/j36ha3n1ppvkfcksv3f978wanxvqnir3-pijul-0.10.0-vendor
patching sources
configuring
building
Running cargo build --release
error: the lock file needs to be updated but --frozen was passed to prevent this
builder for '/nix/store/5xlhfafvwx7kndid9k8ys6y86yi0r898-pijul-0.10.0.drv' failed with exit code 101
error: build of '/nix/store/5xlhfafvwx7kndid9k8ys6y86yi0r898-pijul-0.10.0.drv' failed