shrub/default.nix

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/* Examples
Shared urbit and urbit-worker binaries:
$ nix-build -A urbit
Static urbit and urbit-worker binaries:
$ nix-build -A urbit --arg enableStatic true
Note that on linux the previous command is equivalent to:
$ nix-build -A urbit --argstr crossSystem x86_64-unknown-linux-musl \
--arg enableStatic true
Static release tarball:
$ nix-build -A tarball --arg enableStatic true
Build a pill:
$ nix-build -A ivory.build
$ nix-build -A brass.build
$ nix-build -A solid.build
*/
# The build system where packages will be _built_.
{ system ? builtins.currentSystem
# The host system where packages will _run_.
, crossSystem ? null
# Additional sources.json overrides.
, sources ? { }
# Additional nixpkgs.config overrides.
, config ? { }
# Additional nixpkgs.overlays.
, overlays ? [ ]
# Overlays to apply to the last package set in cross compilation.
, crossOverlays ? [ ]
# Whether to use pkgs.pkgsStatic.* to obtain statically linked package
# dependencies - ie. when building fully-static libraries or executables.
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, enableStatic ? false
# release channel (when static)
, verePace ? "" }:
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let
pkgsNative = import ./nix/default.nix { inherit system; };
pkgsCross = import ./nix/default.nix {
inherit system sources config overlays crossOverlays;
# If we're running on linux and crossSystem is unspecified but
# enableStatic = true - set the crossSystem to musl64.
crossSystem =
if system == "x86_64-linux" && crossSystem == null && enableStatic then
"x86_64-unknown-linux-musl"
else
if system == "aarch64-linux" && crossSystem == null && enableStatic then
"aarch64-unknown-linux-musl"
else
crossSystem;
};
# Use nixpkgs' top-level/static overlay if enableStatic = true.
pkgsStatic = if enableStatic then pkgsCross.pkgsStatic else pkgsCross;
# Enrich the global package set with our local functions and packages.
# Cross vs static build dependencies can be selectively overridden for
# inputs like python etc.
callPackage =
pkgsNative.lib.callPackageWith (pkgsStatic // libLocal // pkgsLocal);
# Local library import-from-derivation functions such as fetchGitHubLFS, etc.
libLocal = pkgsNative.callPackage ./nix/lib { };
# Local vendored packages defined in ./pkg.
# For non-vendored nixpkgs specific package overrides, see ./nix/overlays.
pkgsLocal = {
ca-bundle = callPackage ./nix/pkgs/ca-bundle { };
ent = callPackage ./nix/pkgs/ent { };
libaes_siv = callPackage ./nix/pkgs/libaes_siv { inherit (pkgsNative) cmake; };
murmur3 = callPackage ./nix/pkgs/murmur3 { };
softfloat3 = callPackage ./nix/pkgs/softfloat3 { };
herb = callPackage ./nix/pkgs/herb { inherit (pkgsCross) python; };
arvo = callPackage ./nix/pkgs/arvo { };
ivory = callPackage ./nix/pkgs/pill/ivory.nix { };
brass = callPackage ./nix/pkgs/pill/brass.nix { };
solid = callPackage ./nix/pkgs/pill/solid.nix { };
marsSources = callPackage ./nix/pkgs/marsSources { };
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urcrypt = callPackage ./nix/pkgs/urcrypt { inherit enableStatic; };
docker-image = callPackage ./nix/pkgs/docker-image { };
};
# Additional top-level packages and attributes exposed for convenience.
pkgsExtra = with pkgsLocal; rec {
# Expose packages with local customisations (like patches) for dev access.
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inherit (pkgsStatic) libsigsegv lmdb;
urbit-tests = libLocal.testFakeShip {
inherit arvo;
pill = solid.lfs;
};
ivory-goerli = ivory.override { arvo = arvo.goerli; };
brass-goerli = brass.override { arvo = arvo.goerli; };
# Create a .tgz of the primary binaries.
tarball = let
name = "urbit-v${urbit.version}-${urbit.system}";
in libLocal.makeReleaseTarball {
inherit name;
contents = {
"${name}/urbit" = "${urbit}/bin/urbit";
};
};
inherit (pkgsNative) skopeo;
# A convenience function for constructing a shell.nix for any of the
# pkgsLocal derivations by automatically propagating any dependencies
# to the nix-shell.
#
# Example:
#
# let
# pkgs = import ./default.nix { };
# in pkgs.shellFor {
# packages = ps: [
# ps.urbit
# ps.herb
# ];
# }
#
shellFor = { name, packages, ... }@attrs:
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pkgsNative.mkShell ({
inputsFrom = packages pkgsLocal;
} // builtins.removeAttrs attrs [ "packages" ]);
};
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# Ensure that in the case of cross-compilation we're not statically linking
# against glibc. This is typically a sign that crossSystem is misconfigured.
checkPlatform =
if enableStatic && pkgsCross.stdenv.hostPlatform.libc == "glibc" then
builtins.trace "warning: statically linking against glibc."
else
pkgsNative.lib.id;
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in checkPlatform (pkgsLocal // pkgsExtra)