lix/flake.nix
2019-10-04 17:25:59 +02:00

466 lines
16 KiB
Nix

{
description = "The purely functional package manager";
edition = 201909;
inputs.nixpkgs.uri = "nixpkgs/release-19.03";
outputs = { self, nixpkgs }:
let
officialRelease = false;
systems = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux" ];
# Memoize nixpkgs for different platforms for efficiency.
nixpkgsFor = nixpkgs.lib.genAttrs systems (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 =
[
"--enable-gc"
] ++ 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
# 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;
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;
configureFlags = "--enable-gc";
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 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.*" "*/nlohmann/*" "*/linenoise/*" ];
# 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 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 = {
binaryTarball = self.hydraJobs.binaryTarball.x86_64-linux;
perlBindings = self.hydraJobs.perlBindings.x86_64-linux;
};
packages = {
inherit (nixpkgsFor.x86_64-linux) nix;
};
defaultPackage = self.packages.nix;
devShell =
with nixpkgsFor.x86_64-linux;
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
'';
};
};
}