{ description = "The purely functional package manager"; edition = 201909; inputs.nixpkgs.uri = "nixpkgs/release-19.09"; outputs = { self, nixpkgs }: let officialRelease = false; systems = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux" ]; forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system); # Memoize nixpkgs for different platforms for efficiency. nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; overlays = [ self.overlay ]; } ); commonDeps = pkgs: with pkgs; rec { # Use "busybox-sandbox-shell" if present, # if not (legacy) fallback and hope it's sufficient. sh = pkgs.busybox-sandbox-shell or (busybox.override { useMusl = true; enableStatic = true; enableMinimal = true; extraConfig = '' CONFIG_FEATURE_FANCY_ECHO y CONFIG_FEATURE_SH_MATH y CONFIG_FEATURE_SH_MATH_64 y CONFIG_ASH y CONFIG_ASH_OPTIMIZE_FOR_SIZE y CONFIG_ASH_ALIAS y CONFIG_ASH_BASH_COMPAT y CONFIG_ASH_CMDCMD y CONFIG_ASH_ECHO y CONFIG_ASH_GETOPTS y CONFIG_ASH_INTERNAL_GLOB y CONFIG_ASH_JOB_CONTROL y CONFIG_ASH_PRINTF y CONFIG_ASH_TEST y ''; }); configureFlags = lib.optionals stdenv.isLinux [ "--with-sandbox-shell=${sh}/bin/busybox" ]; tarballDeps = [ bison flex libxml2 libxslt docbook5 docbook_xsl_ns autoconf-archive autoreconfHook ]; buildDeps = [ curl bzip2 xz brotli editline openssl pkgconfig sqlite boehmgc boost (nlohmann_json.override { multipleHeaders = true; }) # Tests git mercurial jq ] ++ lib.optionals stdenv.isLinux [libseccomp utillinuxMinimal] ++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium ++ lib.optional (stdenv.isLinux || stdenv.isDarwin) (aws-sdk-cpp.override { apis = ["s3" "transfer"]; customMemoryManagement = false; }); perlDeps = [ perl perlPackages.DBDSQLite ]; }; in { # A Nixpkgs overlay that overrides the 'nix' and # 'nix.perl-bindings' packages. overlay = final: prev: { nix = with final; with commonDeps pkgs; (releaseTools.nixBuild { name = "nix"; src = self.hydraJobs.tarball; outputs = [ "out" "dev" ]; buildInputs = buildDeps; preConfigure = # Copy libboost_context so we don't get all of Boost in our closure. # https://github.com/NixOS/nixpkgs/issues/45462 '' mkdir -p $out/lib cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib rm -f $out/lib/*.a ${lib.optionalString stdenv.isLinux '' chmod u+w $out/lib/*.so.* patchelf --set-rpath $out/lib:${stdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.* ''} ''; configureFlags = configureFlags ++ [ "--sysconfdir=/etc" ]; enableParallelBuilding = true; makeFlags = "profiledir=$(out)/etc/profile.d"; installFlags = "sysconfdir=$(out)/etc"; doInstallCheck = true; installCheckFlags = "sysconfdir=$(out)/etc"; }) // { perl-bindings = with final; releaseTools.nixBuild { name = "nix-perl"; src = self.hydraJobs.tarball; buildInputs = [ nix curl bzip2 xz pkgconfig pkgs.perl boost ] ++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium; configureFlags = '' --with-dbi=${perlPackages.DBI}/${pkgs.perl.libPrefix} --with-dbd-sqlite=${perlPackages.DBDSQLite}/${pkgs.perl.libPrefix} ''; enableParallelBuilding = true; postUnpack = "sourceRoot=$sourceRoot/perl"; }; }; }; hydraJobs = { # Source tarball. tarball = with nixpkgsFor.x86_64-linux; with commonDeps pkgs; releaseTools.sourceTarball { name = "nix-tarball"; version = builtins.readFile ./.version; versionSuffix = if officialRelease then "" else "pre${builtins.substring 0 8 self.lastModified}_${self.shortRev}"; src = self; inherit officialRelease; buildInputs = tarballDeps ++ buildDeps; postUnpack = '' (cd $sourceRoot && find . -type f) | cut -c3- > $sourceRoot/.dist-files cat $sourceRoot/.dist-files ''; preConfigure = '' (cd perl ; autoreconf --install --force --verbose) # TeX needs a writable font cache. export VARTEXFONTS=$TMPDIR/texfonts ''; distPhase = '' runHook preDist make dist mkdir -p $out/tarballs cp *.tar.* $out/tarballs ''; preDist = '' make install docdir=$out/share/doc/nix makefiles=doc/manual/local.mk echo "doc manual $out/share/doc/nix/manual" >> $out/nix-support/hydra-build-products ''; }; # Binary package for various platforms. build = nixpkgs.lib.genAttrs systems (system: nixpkgsFor.${system}.nix); # Perl bindings for various platforms. perlBindings = nixpkgs.lib.genAttrs systems (system: nixpkgsFor.${system}.nix.perl-bindings); # Binary tarball for various platforms, containing a Nix store # with the closure of 'nix' package, and the second half of # the installation script. binaryTarball = nixpkgs.lib.genAttrs systems (system: with nixpkgsFor.${system}; let version = nix.src.version; installerClosureInfo = closureInfo { rootPaths = [ nix cacert ]; }; in runCommand "nix-binary-tarball-${version}" { #nativeBuildInputs = lib.optional (system != "aarch64-linux") shellcheck; meta.description = "Distribution-independent Nix bootstrap binaries for ${system}"; } '' cp ${installerClosureInfo}/registration $TMPDIR/reginfo substitute ${./scripts/install-nix-from-closure.sh} $TMPDIR/install \ --subst-var-by nix ${nix} \ --subst-var-by cacert ${cacert} substitute ${./scripts/install-darwin-multi-user.sh} $TMPDIR/install-darwin-multi-user.sh \ --subst-var-by nix ${nix} \ --subst-var-by cacert ${cacert} substitute ${./scripts/install-systemd-multi-user.sh} $TMPDIR/install-systemd-multi-user.sh \ --subst-var-by nix ${nix} \ --subst-var-by cacert ${cacert} substitute ${./scripts/install-multi-user.sh} $TMPDIR/install-multi-user \ --subst-var-by nix ${nix} \ --subst-var-by cacert ${cacert} if type -p shellcheck; then # SC1090: Don't worry about not being able to find # $nix/etc/profile.d/nix.sh shellcheck --exclude SC1090 $TMPDIR/install shellcheck $TMPDIR/install-darwin-multi-user.sh shellcheck $TMPDIR/install-systemd-multi-user.sh # SC1091: Don't panic about not being able to source # /etc/profile # SC2002: Ignore "useless cat" "error", when loading # .reginfo, as the cat is a much cleaner # implementation, even though it is "useless" # SC2116: Allow ROOT_HOME=$(echo ~root) for resolving # root's home directory shellcheck --external-sources \ --exclude SC1091,SC2002,SC2116 $TMPDIR/install-multi-user fi chmod +x $TMPDIR/install chmod +x $TMPDIR/install-darwin-multi-user.sh chmod +x $TMPDIR/install-systemd-multi-user.sh chmod +x $TMPDIR/install-multi-user dir=nix-${version}-${system} fn=$out/$dir.tar.xz mkdir -p $out/nix-support echo "file binary-dist $fn" >> $out/nix-support/hydra-build-products tar cvfJ $fn \ --owner=0 --group=0 --mode=u+rw,uga+r \ --absolute-names \ --hard-dereference \ --transform "s,$TMPDIR/install,$dir/install," \ --transform "s,$TMPDIR/reginfo,$dir/.reginfo," \ --transform "s,$NIX_STORE,$dir/store,S" \ $TMPDIR/install $TMPDIR/install-darwin-multi-user.sh \ $TMPDIR/install-systemd-multi-user.sh \ $TMPDIR/install-multi-user $TMPDIR/reginfo \ $(cat ${installerClosureInfo}/store-paths) ''); # The first half of the installation script. This is uploaded # to https://nixos.org/nix/install. It downloads the binary # tarball for the user's system and calls the second half of the # installation script. installerScript = with nixpkgsFor.x86_64-linux; runCommand "installer-script" { buildInputs = [ nix ]; } '' mkdir -p $out/nix-support substitute ${./scripts/install.in} $out/install \ ${pkgs.lib.concatMapStrings (system: "--replace '@binaryTarball_${system}@' $(nix --experimental-features nix-command hash-file --base16 --type sha256 ${self.hydraJobs.binaryTarball.${system}}/*.tar.xz) ") [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux" ] } \ --replace '@nixVersion@' ${nix.src.version} echo "file installer $out/install" >> $out/nix-support/hydra-build-products ''; # Line coverage analysis. coverage = with nixpkgsFor.x86_64-linux; with commonDeps pkgs; releaseTools.coverageAnalysis { name = "nix-build"; src = self.hydraJobs.tarball; buildInputs = buildDeps; dontInstall = false; doInstallCheck = true; lcovFilter = [ "*/boost/*" "*-tab.*" ]; # We call `dot', and even though we just use it to # syntax-check generated dot files, it still requires some # fonts. So provide those. FONTCONFIG_FILE = texFunctions.fontsConf; }; # System tests. tests.remoteBuilds = import ./tests/remote-builds.nix { system = "x86_64-linux"; inherit nixpkgs; inherit (self) overlay; }; tests.nix-copy-closure = import ./tests/nix-copy-closure.nix { system = "x86_64-linux"; inherit nixpkgs; inherit (self) overlay; }; tests.githubFlakes = (import ./tests/github-flakes.nix rec { system = "x86_64-linux"; inherit nixpkgs; inherit (self) overlay; }); tests.setuid = nixpkgs.lib.genAttrs ["i686-linux" "x86_64-linux"] (system: import ./tests/setuid.nix rec { inherit nixpkgs system; inherit (self) overlay; }); # Test whether the binary tarball works in an Ubuntu system. tests.binaryTarball = with nixpkgsFor.x86_64-linux; vmTools.runInLinuxImage (runCommand "nix-binary-tarball-test" { diskImage = vmTools.diskImages.ubuntu1204x86_64; } '' set -x useradd -m alice su - alice -c 'tar xf ${self.hydraJobs.binaryTarball.x86_64-linux}/*.tar.*' mkdir /dest-nix mount -o bind /dest-nix /nix # Provide a writable /nix. chown alice /nix su - alice -c '_NIX_INSTALLER_TEST=1 ./nix-*/install' su - alice -c 'nix-store --verify' su - alice -c 'PAGER= nix-store -qR ${self.hydraJobs.build.x86_64-linux}' # Check whether 'nix upgrade-nix' works. cat > /tmp/paths.nix <<EOF { x86_64-linux = "${self.hydraJobs.build.x86_64-linux}"; } EOF su - alice -c 'nix --experimental-features nix-command upgrade-nix -vvv --nix-store-paths-url file:///tmp/paths.nix' (! [ -L /home/alice/.profile-1-link ]) su - alice -c 'PAGER= nix-store -qR ${self.hydraJobs.build.x86_64-linux}' mkdir -p $out/nix-support touch $out/nix-support/hydra-build-products umount /nix ''); /* # Check whether we can still evaluate all of Nixpkgs. tests.evalNixpkgs = import (nixpkgs + "/pkgs/top-level/make-tarball.nix") { # FIXME: fix pkgs/top-level/make-tarball.nix in NixOS to not require a revCount. inherit nixpkgs; pkgs = nixpkgsFor.x86_64-linux; officialRelease = false; }; # Check whether we can still evaluate NixOS. tests.evalNixOS = with nixpkgsFor.x86_64-linux; runCommand "eval-nixos" { buildInputs = [ nix ]; } '' export NIX_STATE_DIR=$TMPDIR nix-instantiate ${nixpkgs}/nixos/release-combined.nix -A tested --dry-run \ --arg nixpkgs '{ outPath = ${nixpkgs}; revCount = 123; shortRev = "abcdefgh"; }' touch $out ''; */ # Aggregate job containing the release-critical jobs. release = with self.hydraJobs; nixpkgsFor.x86_64-linux.releaseTools.aggregate { name = "nix-${tarball.version}"; meta.description = "Release-critical builds"; constituents = [ tarball build.i686-linux build.x86_64-darwin build.x86_64-linux build.aarch64-linux binaryTarball.i686-linux binaryTarball.x86_64-darwin binaryTarball.x86_64-linux binaryTarball.aarch64-linux tests.remoteBuilds tests.nix-copy-closure tests.binaryTarball #tests.evalNixpkgs #tests.evalNixOS installerScript ]; }; }; checks = forAllSystems (system: { binaryTarball = self.hydraJobs.binaryTarball.${system}; perlBindings = self.hydraJobs.perlBindings.${system}; }); packages = forAllSystems (system: { inherit (nixpkgsFor.${system}) nix; }); defaultPackage = forAllSystems (system: self.packages.${system}.nix); devShell = forAllSystems (system: with nixpkgsFor.${system}; with commonDeps pkgs; stdenv.mkDerivation { name = "nix"; buildInputs = buildDeps ++ tarballDeps ++ perlDeps; inherit configureFlags; enableParallelBuilding = true; installFlags = "sysconfdir=$(out)/etc"; shellHook = '' export prefix=$(pwd)/inst configureFlags+=" --prefix=$prefix" PKG_CONFIG_PATH=$prefix/lib/pkgconfig:$PKG_CONFIG_PATH PATH=$prefix/bin:$PATH unset PYTHONPATH ''; }); }; }