{ description = "Flake providing Veloren, a multiplayer voxel RPG written in Rust."; inputs = { naersk = { url = "github:yusdacra/naersk/veloren"; inputs.nixpkgs.follows = "nixpkgs"; }; nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; nixCargoIntegration = { url = "github:yusdacra/nix-cargo-integration"; inputs.nixpkgs.follows = "nixpkgs"; inputs.naersk.follows = "naersk"; }; }; outputs = inputs: inputs.nixCargoIntegration.lib.makeOutputs { root = ./.; overrides = { common = prev: { gitLfsCheckFile = ./assets/voxygen/background/bg_main.png; utils = import ./nix/utils.nix { pkgs = prev.pkgs; }; }; build = common: prevb: let pkgs = common.pkgs; sourceInfo = if inputs.self.sourceInfo ? rev then inputs.self.sourceInfo // { # Tag would have to be set manually for stable releases flake # because there's currently no way to get the tag via the interface. # tag = v0.9.0; } else (throw "Can't get revision because the git tree is dirty"); prettyRev = with sourceInfo; builtins.substring 0 8 rev + "/" + common.utils.dateTimeFormat lastModified; tag = with sourceInfo; if sourceInfo ? tag then sourceInfo.tag else ""; # If gitTag has a tag (meaning the commit we are on is a *release*), use # it as version, else: just use the prettified hash we have, if we don't # have it the build fails. # Must be in format f4987672/2020-12-10-12:00 version = if tag != "" then tag else if prettyRev != "" then prettyRev else throw "Need a tag or pretty revision in order to determine version"; veloren-assets = pkgs.runCommand "makeAssetsDir" { } '' mkdir $out ln -sf ${./assets} $out/assets ''; velorenOverride = oldAttr: if common.cargoPkg.name == "veloren-voxygen" then { nativeBuildInputs = oldAttr.nativeBuildInputs ++ [ pkgs.makeWrapper ]; postInstall = '' wrapProgram $out/bin/veloren-voxygen\ --set VELOREN_ASSETS ${veloren-assets}\ --set LD_LIBRARY_PATH ${ pkgs.lib.makeLibraryPath common.runtimeLibs } ''; } else if common.cargoPkg.name == "veloren-server-cli" then { nativeBuildInputs = oldAttr.nativeBuildInputs ++ [ pkgs.makeWrapper ]; postInstall = '' wrapProgram $out/bin/veloren-server-cli --set VELOREN_ASSETS ${veloren-assets} ''; } else { }; in { allRefs = true; override = old: (prevb.override old) // { # Disable `git-lfs` check here since we check it ourselves # We have to include the command output here, otherwise Nix won't run it DISABLE_GIT_LFS_CHECK = common.utils.isGitLfsSetup common.gitLfsCheckFile; # Declare env values here so that `common/build.rs` sees them NIX_GIT_HASH = prettyRev; NIX_GIT_TAG = tag; VELOREN_USERDATA_STRATEGY = "system"; }; overrideMain = old: (prevb.overrideMain old) // (velorenOverride old); }; }; }; }