lix/flake.nix

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{
description = "The purely functional package manager";
inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.05-small";
inputs.nixpkgs-regression.url = "github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
inputs.lowdown-src = { url = "github:kristapsdz/lowdown"; flake = false; };
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outputs = { self, nixpkgs, nixpkgs-regression, lowdown-src }:
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let
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version = builtins.readFile ./.version + versionSuffix;
versionSuffix =
if officialRelease
then ""
else "pre${builtins.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}_${self.shortRev or "dirty"}";
officialRelease = false;
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linux64BitSystems = [ "x86_64-linux" "aarch64-linux" ];
linuxSystems = linux64BitSystems ++ [ "i686-linux" ];
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systems = linuxSystems ++ [ "x86_64-darwin" "aarch64-darwin" ];
crossSystems = [ "armv6l-linux" "armv7l-linux" ];
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stdenvs = [ "gccStdenv" "clangStdenv" "clang11Stdenv" "stdenv" "libcxxStdenv" ];
forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
forAllSystemsAndStdenvs = f: forAllSystems (system:
nixpkgs.lib.listToAttrs
(map
(n:
nixpkgs.lib.nameValuePair "${n}Packages" (
f system n
)) stdenvs
)
);
forAllStdenvs = f: nixpkgs.lib.genAttrs stdenvs (stdenv: f stdenv);
# Memoize nixpkgs for different platforms for efficiency.
nixpkgsFor =
let stdenvsPackages = forAllSystemsAndStdenvs
(system: stdenv:
import nixpkgs {
inherit system;
overlays = [
(overlayFor (p: p.${stdenv}))
];
}
);
in
# Add the `stdenvPackages` at toplevel, both because these are the ones
# we want most of the time and for backwards compatibility
forAllSystems (system: stdenvsPackages.${system} // stdenvsPackages.${system}.stdenvPackages);
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-boost=${boost}/lib"
"--with-sandbox-shell=${sh}/bin/busybox"
"LDFLAGS=-fuse-ld=gold"
];
nativeBuildDeps =
[
buildPackages.bison
buildPackages.flex
(lib.getBin buildPackages.lowdown-nix)
buildPackages.mdbook
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buildPackages.autoconf-archive
buildPackages.autoreconfHook
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buildPackages.pkg-config
# Tests
buildPackages.git
buildPackages.mercurial # FIXME: remove? only needed for tests
buildPackages.jq # Also for custom mdBook preprocessor.
]
++ lib.optionals stdenv.hostPlatform.isLinux [(buildPackages.util-linuxMinimal or buildPackages.utillinuxMinimal)];
buildDeps =
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[ curl
bzip2 xz brotli editline
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openssl sqlite
libarchive
boost
lowdown-nix
gtest
]
++ lib.optionals stdenv.isLinux [libseccomp]
++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
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++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid;
awsDeps = lib.optional (stdenv.isLinux || stdenv.isDarwin)
(aws-sdk-cpp.override {
apis = ["s3" "transfer"];
customMemoryManagement = false;
});
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propagatedDeps =
[ ((boehmgc.override {
enableLargeConfig = true;
}).overrideAttrs(o: {
patches = (o.patches or []) ++ [
./boehmgc-coroutine-sp-fallback.diff
];
}))
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nlohmann_json
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];
};
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installScriptFor = systems:
with nixpkgsFor.x86_64-linux;
runCommand "installer-script"
{ buildInputs = [ nix ];
}
''
mkdir -p $out/nix-support
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# Converts /nix/store/50p3qk8k...-nix-2.4pre20201102_550e11f/bin/nix to 50p3qk8k.../bin/nix.
tarballPath() {
# Remove the store prefix
local path=''${1#${builtins.storeDir}/}
# Get the path relative to the derivation root
local rest=''${path#*/}
# Get the derivation hash
local drvHash=''${path%%-*}
echo "$drvHash/$rest"
}
substitute ${./scripts/install.in} $out/install \
${pkgs.lib.concatMapStrings
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(system: let
tarball = if builtins.elem system crossSystems then self.hydraJobs.binaryTarballCross.x86_64-linux.${system} else self.hydraJobs.binaryTarball.${system};
in '' \
--replace '@tarballHash_${system}@' $(nix --experimental-features nix-command hash-file --base16 --type sha256 ${tarball}/*.tar.xz) \
--replace '@tarballPath_${system}@' $(tarballPath ${tarball}/*.tar.xz) \
''
)
systems
} --replace '@nixVersion@' ${version}
echo "file installer $out/install" >> $out/nix-support/hydra-build-products
'';
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testNixVersions = pkgs: client: daemon: with commonDeps pkgs; with pkgs.lib; pkgs.stdenv.mkDerivation {
NIX_DAEMON_PACKAGE = daemon;
NIX_CLIENT_PACKAGE = client;
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name =
"nix-tests"
+ optionalString
(versionAtLeast daemon.version "2.4pre20211005" &&
versionAtLeast client.version "2.4pre20211005")
"-${client.version}-against-${daemon.version}";
inherit version;
src = self;
VERSION_SUFFIX = versionSuffix;
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ awsDeps;
propagatedBuildInputs = propagatedDeps;
enableParallelBuilding = true;
dontBuild = true;
doInstallCheck = true;
installPhase = ''
mkdir -p $out
'';
installCheckPhase = "make installcheck -j$NIX_BUILD_CORES -l$NIX_BUILD_CORES";
};
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binaryTarball = buildPackages: nix: pkgs:
let
inherit (pkgs) cacert;
installerClosureInfo = buildPackages.closureInfo { rootPaths = [ nix cacert ]; };
in
buildPackages.runCommand "nix-binary-tarball-${version}"
{ #nativeBuildInputs = lib.optional (system != "aarch64-linux") shellcheck;
meta.description = "Distribution-independent Nix bootstrap binaries for ${pkgs.system}";
}
''
cp ${installerClosureInfo}/registration $TMPDIR/reginfo
cp ${./scripts/create-darwin-volume.sh} $TMPDIR/create-darwin-volume.sh
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/create-darwin-volume.sh
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/create-darwin-volume.sh
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}-${pkgs.system}
fn=$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/create-darwin-volume.sh,$dir/create-darwin-volume.sh," \
--transform "s,$TMPDIR/reginfo,$dir/.reginfo," \
--transform "s,$NIX_STORE,$dir/store,S" \
$TMPDIR/install \
$TMPDIR/create-darwin-volume.sh \
$TMPDIR/install-darwin-multi-user.sh \
$TMPDIR/install-systemd-multi-user.sh \
$TMPDIR/install-multi-user \
$TMPDIR/reginfo \
$(cat ${installerClosureInfo}/store-paths)
'';
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overlayFor = getStdenv: final: prev:
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let currentStdenv = getStdenv final; in
{
nixStable = prev.nix;
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# Forward from the previous stage as we dont want it to pick the lowdown override
nixUnstable = prev.nixUnstable;
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nix = with final; with commonDeps pkgs; currentStdenv.mkDerivation {
name = "nix-${version}";
inherit version;
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src = self;
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VERSION_SUFFIX = versionSuffix;
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outputs = [ "out" "dev" "doc" ];
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nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ awsDeps;
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propagatedBuildInputs = propagatedDeps;
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disallowedReferences = [ boost ];
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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 currentStdenv.isLinux ''
chmod u+w $out/lib/*.so.*
patchelf --set-rpath $out/lib:${currentStdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
''}
${lib.optionalString currentStdenv.isDarwin ''
for LIB in $out/lib/*.dylib; do
chmod u+w $LIB
install_name_tool -id $LIB $LIB
done
install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
''}
'';
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configureFlags = configureFlags ++
[ "--sysconfdir=/etc" ];
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enableParallelBuilding = true;
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makeFlags = "profiledir=$(out)/etc/profile.d PRECOMPILE_HEADERS=1";
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doCheck = true;
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installFlags = "sysconfdir=$(out)/etc";
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postInstall = ''
mkdir -p $doc/nix-support
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
${lib.optionalString currentStdenv.isDarwin ''
install_name_tool \
-change ${boost}/lib/libboost_context.dylib \
$out/lib/libboost_context.dylib \
$out/lib/libnixutil.dylib
''}
'';
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doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
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separateDebugInfo = true;
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strictDeps = true;
passthru.perl-bindings = with final; perl.pkgs.toPerlModule (currentStdenv.mkDerivation {
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name = "nix-perl-${version}";
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src = self;
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nativeBuildInputs =
[ buildPackages.autoconf-archive
buildPackages.autoreconfHook
buildPackages.pkg-config
];
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buildInputs =
[ nix
curl
bzip2
xz
pkgs.perl
boost
]
++ lib.optional (currentStdenv.isLinux || currentStdenv.isDarwin) libsodium
++ lib.optional currentStdenv.isDarwin darwin.apple_sdk.frameworks.Security;
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configureFlags = ''
--with-dbi=${perlPackages.DBI}/${pkgs.perl.libPrefix}
--with-dbd-sqlite=${perlPackages.DBDSQLite}/${pkgs.perl.libPrefix}
'';
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enableParallelBuilding = true;
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postUnpack = "sourceRoot=$sourceRoot/perl";
});
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meta.platforms = systems;
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};
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lowdown-nix = with final; currentStdenv.mkDerivation rec {
name = "lowdown-0.9.0";
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src = lowdown-src;
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outputs = [ "out" "bin" "dev" ];
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nativeBuildInputs = [ buildPackages.which ];
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configurePhase = ''
${if (currentStdenv.isDarwin && currentStdenv.isAarch64) then "echo \"HAVE_SANDBOX_INIT=false\" > configure.local" else ""}
./configure \
PREFIX=${placeholder "dev"} \
BINDIR=${placeholder "bin"}/bin
'';
};
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};
in {
# A Nixpkgs overlay that overrides the 'nix' and
# 'nix.perl-bindings' packages.
overlays.default = overlayFor (p: p.stdenv);
hydraJobs = {
# Binary package for various platforms.
build = nixpkgs.lib.genAttrs systems (system: self.packages.${system}.nix);
buildStatic = nixpkgs.lib.genAttrs linux64BitSystems (system: self.packages.${system}.nix-static);
buildCross = nixpkgs.lib.genAttrs crossSystems (crossSystem:
nixpkgs.lib.genAttrs ["x86_64-linux"] (system: self.packages.${system}."nix-${crossSystem}"));
# Perl bindings for various platforms.
perlBindings = nixpkgs.lib.genAttrs systems (system: self.packages.${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.
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binaryTarball = nixpkgs.lib.genAttrs systems (system: binaryTarball nixpkgsFor.${system} nixpkgsFor.${system}.nix nixpkgsFor.${system});
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binaryTarballCross = nixpkgs.lib.genAttrs ["x86_64-linux"] (system: builtins.listToAttrs (map (crossSystem: {
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name = crossSystem;
value = let
nixpkgsCross = import nixpkgs {
inherit system crossSystem;
overlays = [ self.overlays.default ];
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};
in binaryTarball nixpkgsFor.${system} self.packages.${system}."nix-${crossSystem}" nixpkgsCross;
}) crossSystems));
# 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.
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installerScript = installScriptFor [ "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" "armv6l-linux" "armv7l-linux" ];
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installerScriptForGHA = installScriptFor [ "x86_64-linux" "x86_64-darwin" "armv6l-linux" "armv7l-linux"];
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# docker image with Nix inside
dockerImage = nixpkgs.lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
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# Line coverage analysis.
coverage =
with nixpkgsFor.x86_64-linux;
with commonDeps pkgs;
releaseTools.coverageAnalysis {
name = "nix-coverage-${version}";
src = self;
enableParallelBuilding = true;
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ propagatedDeps ++ awsDeps;
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;
overlay = self.overlays.default;
};
tests.nix-copy-closure = import ./tests/nix-copy-closure.nix {
system = "x86_64-linux";
inherit nixpkgs;
overlay = self.overlays.default;
};
tests.nssPreload = (import ./tests/nss-preload.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
overlay = self.overlays.default;
});
tests.githubFlakes = (import ./tests/github-flakes.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
overlay = self.overlays.default;
});
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tests.sourcehutFlakes = (import ./tests/sourcehut-flakes.nix rec {
system = "x86_64-linux";
inherit nixpkgs;
overlay = self.overlays.default;
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});
tests.setuid = nixpkgs.lib.genAttrs
["i686-linux" "x86_64-linux"]
(system:
import ./tests/setuid.nix rec {
inherit nixpkgs system;
overlay = self.overlays.default;
});
# Make sure that nix-env still produces the exact same result
# on a particular version of Nixpkgs.
tests.evalNixpkgs =
with nixpkgsFor.x86_64-linux;
runCommand "eval-nixos" { buildInputs = [ nix ]; }
''
type -p nix-env
# Note: we're filtering out nixos-install-tools because https://github.com/NixOS/nixpkgs/pull/153594#issuecomment-1020530593.
time nix-env --store dummy:// -f ${nixpkgs-regression} -qaP --drv-path | sort | grep -v nixos-install-tools > packages
[[ $(sha1sum < packages | cut -c1-40) = ff451c521e61e4fe72bdbe2d0ca5d1809affa733 ]]
mkdir $out
'';
metrics.nixpkgs = import "${nixpkgs-regression}/pkgs/top-level/metrics.nix" {
pkgs = nixpkgsFor.x86_64-linux;
nixpkgs = nixpkgs-regression;
};
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installTests = forAllSystems (system:
let pkgs = nixpkgsFor.${system}; in
pkgs.runCommand "install-tests" {
againstSelf = testNixVersions pkgs pkgs.nix pkgs.pkgs.nix;
againstCurrentUnstable =
# FIXME: temporarily disable this on macOS because of #3605.
if system == "x86_64-linux"
then testNixVersions pkgs pkgs.nix pkgs.nixUnstable
else null;
# Disabled because the latest stable version doesn't handle
# `NIX_DAEMON_SOCKET_PATH` which is required for the tests to work
# againstLatestStable = testNixVersions pkgs pkgs.nix pkgs.nixStable;
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} "touch $out");
};
checks = forAllSystems (system: {
binaryTarball = self.hydraJobs.binaryTarball.${system};
perlBindings = self.hydraJobs.perlBindings.${system};
installTests = self.hydraJobs.installTests.${system};
} // (nixpkgs.lib.optionalAttrs (builtins.elem system linux64BitSystems)) {
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dockerImage = self.hydraJobs.dockerImage.${system};
});
packages = forAllSystems (system: rec {
inherit (nixpkgsFor.${system}) nix;
default = nix;
} // (nixpkgs.lib.optionalAttrs (builtins.elem system linux64BitSystems) {
nix-static = let
nixpkgs = nixpkgsFor.${system}.pkgsStatic;
in with commonDeps nixpkgs; nixpkgs.stdenv.mkDerivation {
name = "nix-${version}";
src = self;
VERSION_SUFFIX = versionSuffix;
outputs = [ "out" "dev" "doc" ];
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ propagatedDeps;
configureFlags = [ "--sysconfdir=/etc" ];
enableParallelBuilding = true;
makeFlags = "profiledir=$(out)/etc/profile.d";
doCheck = true;
installFlags = "sysconfdir=$(out)/etc";
postInstall = ''
mkdir -p $doc/nix-support
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
mkdir -p $out/nix-support
echo "file binary-dist $out/bin/nix" >> $out/nix-support/hydra-build-products
'';
doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
stripAllList = ["bin"];
strictDeps = true;
hardeningDisable = [ "pie" ];
};
dockerImage =
let
pkgs = nixpkgsFor.${system};
image = import ./docker.nix { inherit pkgs; tag = version; };
in
pkgs.runCommand
"docker-image-tarball-${version}"
{ meta.description = "Docker image with Nix for ${system}"; }
''
mkdir -p $out/nix-support
image=$out/image.tar.gz
ln -s ${image} $image
echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
'';
} // builtins.listToAttrs (map (crossSystem: {
name = "nix-${crossSystem}";
value = let
nixpkgsCross = import nixpkgs {
inherit system crossSystem;
overlays = [ self.overlays.default ];
};
in with commonDeps nixpkgsCross; nixpkgsCross.stdenv.mkDerivation {
name = "nix-${version}";
src = self;
VERSION_SUFFIX = versionSuffix;
outputs = [ "out" "dev" "doc" ];
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ propagatedDeps;
configureFlags = [ "--sysconfdir=/etc" "--disable-doc-gen" ];
enableParallelBuilding = true;
makeFlags = "profiledir=$(out)/etc/profile.d";
doCheck = true;
installFlags = "sysconfdir=$(out)/etc";
postInstall = ''
mkdir -p $doc/nix-support
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
mkdir -p $out/nix-support
echo "file binary-dist $out/bin/nix" >> $out/nix-support/hydra-build-products
'';
doInstallCheck = true;
installCheckFlags = "sysconfdir=$(out)/etc";
};
}) crossSystems)) // (builtins.listToAttrs (map (stdenvName:
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nixpkgsFor.${system}.lib.nameValuePair
"nix-${stdenvName}"
nixpkgsFor.${system}."${stdenvName}Packages".nix
) stdenvs)));
devShells = forAllSystems (system:
forAllStdenvs (stdenv:
with nixpkgsFor.${system};
with commonDeps pkgs;
nixpkgsFor.${system}.${stdenv}.mkDerivation {
name = "nix";
outputs = [ "out" "dev" "doc" ];
nativeBuildInputs = nativeBuildDeps;
buildInputs = buildDeps ++ propagatedDeps ++ awsDeps;
inherit configureFlags;
enableParallelBuilding = true;
installFlags = "sysconfdir=$(out)/etc";
shellHook =
''
PATH=$prefix/bin:$PATH
unset PYTHONPATH
export MANPATH=$out/share/man:$MANPATH
# Make bash completion work.
XDG_DATA_DIRS+=:$out/share
'';
}
)
// { default = self.devShells.${system}.stdenv; }
);
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};
}