lib: Fix system parsing, and use for doubles lists

The old hard-coded lists are now used to test system parsing.

In the process, make an `assertTrue` in release lib for eval tests; also
use it in release-cross
This commit is contained in:
John Ericson 2017-02-09 16:09:47 -05:00
parent fffcee35f9
commit 8c99aab3ea
7 changed files with 238 additions and 126 deletions

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@ -1,24 +1,44 @@
let lists = import ../lists.nix; in
let parse = import ./parse.nix; in
let inherit (import ../attrsets.nix) matchAttrs; in
let
all = [
"aarch64-linux"
"armv5tel-linux" "armv6l-linux" "armv7l-linux"
"mips64el-linux"
"i686-cygwin" "i686-freebsd" "i686-linux" "i686-netbsd" "i686-openbsd"
"x86_64-cygwin" "x86_64-darwin" "x86_64-freebsd" "x86_64-linux"
"x86_64-netbsd" "x86_64-openbsd" "x86_64-solaris"
];
allParsed = map parse.mkSystemFromString all;
filterDoubles = f: map parse.doubleFromSystem (lists.filter f allParsed);
in rec {
inherit all;
rec {
all = linux ++ darwin ++ cygwin ++ freebsd ++ openbsd ++ netbsd ++ illumos;
allBut = platforms: lists.filter (x: !(builtins.elem x platforms)) all;
none = [];
arm = ["armv5tel-linux" "armv6l-linux" "armv7l-linux" ];
i686 = ["i686-linux" "i686-freebsd" "i686-netbsd" "i686-cygwin"];
mips = [ "mips64el-linux" ];
x86_64 = ["x86_64-linux" "x86_64-darwin" "x86_64-freebsd" "x86_64-openbsd" "x86_64-netbsd" "x86_64-cygwin"];
arm = filterDoubles (matchAttrs { cpu = { family = "arm"; bits = 32; }; });
i686 = filterDoubles parse.isi686;
mips = filterDoubles (matchAttrs { cpu = { family = "mips"; }; });
x86_64 = filterDoubles parse.isx86_64;
cygwin = ["i686-cygwin" "x86_64-cygwin"];
darwin = ["x86_64-darwin"];
freebsd = ["i686-freebsd" "x86_64-freebsd"];
gnu = linux; /* ++ hurd ++ kfreebsd ++ ... */
illumos = ["x86_64-solaris"];
linux = ["i686-linux" "x86_64-linux" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux" "mips64el-linux"];
netbsd = ["i686-netbsd" "x86_64-netbsd"];
openbsd = ["i686-openbsd" "x86_64-openbsd"];
unix = linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos;
cygwin = filterDoubles (matchAttrs { kernel = parse.kernels.cygwin; });
darwin = filterDoubles parse.isDarwin;
freebsd = filterDoubles (matchAttrs { kernel = parse.kernels.freebsd; });
gnu = filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnu; }); # Should be better
illumos = filterDoubles (matchAttrs { kernel = parse.kernels.solaris; });
linux = filterDoubles parse.isLinux;
netbsd = filterDoubles (matchAttrs { kernel = parse.kernels.netbsd; });
openbsd = filterDoubles (matchAttrs { kernel = parse.kernels.openbsd; });
unix = filterDoubles parse.isUnix;
mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux"];
}

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@ -6,11 +6,13 @@ with import ../types.nix;
with import ../attrsets.nix;
let
lib = import ./default.nix;
setTypes = type:
lib = import ../default.nix;
setTypesAssert = type: pred:
mapAttrs (name: value:
setType type ({inherit name;} // value)
);
#assert pred value;
setType type ({ inherit name; } // value));
setTypes = type: setTypesAssert type (_: true);
in
rec {
@ -22,20 +24,31 @@ rec {
};
isCpuType = x: isType "cpu-type" x
&& elem x.bits [8 16 32 64 128]
&& (8 < x.bits -> isSignificantByte x.significantByte);
cpuTypes = with significantBytes;
setTypes "cpu-type" {
arm = { bits = 32; significantByte = littleEndian; };
armv5tel = { bits = 32; significantByte = littleEndian; };
armv7l = { bits = 32; significantByte = littleEndian; };
i686 = { bits = 32; significantByte = littleEndian; };
powerpc = { bits = 32; significantByte = bigEndian; };
x86_64 = { bits = 64; significantByte = littleEndian; };
};
isCpuType = isType "cpu-type";
cpuTypes = with significantBytes; setTypesAssert "cpu-type"
(x: elem x.bits [8 16 32 64 128]
&& (if 8 < x.bits
then isSignificantByte x.significantByte
else !(x ? significantByte)))
{
arm = { bits = 32; significantByte = littleEndian; family = "arm"; };
armv5tel = { bits = 32; significantByte = littleEndian; family = "arm"; };
armv6l = { bits = 32; significantByte = littleEndian; family = "arm"; };
armv7a = { bits = 32; significantByte = littleEndian; family = "arm"; };
armv7l = { bits = 32; significantByte = littleEndian; family = "arm"; };
aarch64 = { bits = 64; significantByte = littleEndian; family = "arm"; };
i686 = { bits = 32; significantByte = littleEndian; family = "x86"; };
x86_64 = { bits = 64; significantByte = littleEndian; family = "x86"; };
mips64el = { bits = 32; significantByte = littleEndian; family = "mips"; };
powerpc = { bits = 32; significantByte = bigEndian; family = "powerpc"; };
};
isVendor = isType "vendor";
vendors = setTypes "vendor" {
apple = {};
pc = {};
unknown = {};
};
isExecFormat = isType "exec-format";
execFormats = setTypes "exec-format" {
@ -43,84 +56,118 @@ rec {
elf = {};
macho = {};
pe = {};
unknow = {};
unknown = {};
};
isKernelFamily = isType "kernel-family";
kernelFamilies = setTypes "kernel-family" {
bsd = {};
unix = {};
windows-nt = {};
dos = {};
};
isKernel = x: isType "kernel" x;
kernels = with execFormats; with kernelFamilies; setTypesAssert "kernel"
(x: isExecFormat x.execFormat && all isKernelFamily (attrValues x.families))
{
cygwin = { execFormat = pe; families = { inherit /*unix*/ windows-nt; }; };
darwin = { execFormat = macho; families = { inherit unix; }; };
freebsd = { execFormat = elf; families = { inherit unix bsd; }; };
linux = { execFormat = elf; families = { inherit unix; }; };
netbsd = { execFormat = elf; families = { inherit unix bsd; }; };
none = { execFormat = unknown; families = { inherit unix; }; };
openbsd = { execFormat = elf; families = { inherit unix bsd; }; };
solaris = { execFormat = elf; families = { inherit unix; }; };
win32 = { execFormat = pe; families = { inherit dos; }; };
};
isKernel = isType "kernel";
kernels = with execFormats;
setTypes "kernel" {
cygwin = { execFormat = pe; };
darwin = { execFormat = macho; };
freebsd = { execFormat = elf; };
linux = { execFormat = elf; };
netbsd = { execFormat = elf; };
none = { execFormat = unknow; };
openbsd = { execFormat = elf; };
win32 = { execFormat = pe; };
isAbi = isType "abi";
abis = setTypes "abi" {
gnu = {};
msvc = {};
eabi = {};
androideabi = {};
unknown = {};
};
isSystem = isType "system";
mkSystem = { cpu, vendor, kernel, abi }:
assert isCpuType cpu && isVendor vendor && isKernel kernel && isAbi abi;
setType "system" {
inherit cpu vendor kernel abi;
};
isArchitecture = isType "architecture";
architectures = setTypes "architecture" {
apple = {};
pc = {};
unknow = {};
};
isSystem = x: isType "system" x
&& isCpuType x.cpu
&& isArchitecture x.arch
&& isKernel x.kernel;
mkSystem = {
cpu ? cpuTypes.i686,
arch ? architectures.pc,
kernel ? kernels.linux,
name ? "${cpu.name}-${arch.name}-${kernel.name}"
}: setType "system" {
inherit name cpu arch kernel;
};
is64Bit = matchAttrs { cpu = { bits = 64; }; };
isDarwin = matchAttrs { kernel = kernels.darwin; };
is32Bit = matchAttrs { cpu = { bits = 32; }; };
isi686 = matchAttrs { cpu = cpuTypes.i686; };
isLinux = matchAttrs { kernel = kernels.linux; };
isx86_64 = matchAttrs { cpu = cpuTypes.x86_64; };
isDarwin = matchAttrs { kernel = kernels.darwin; };
isLinux = matchAttrs { kernel = kernels.linux; };
isUnix = matchAttrs { kernel = { families = { inherit (kernelFamilies) unix; }; }; };
isWindows = s: matchAttrs { kernel = { families = { inherit (kernelFamilies) windows-nt; }; }; } s
|| matchAttrs { kernel = { families = { inherit (kernelFamilies) dos; }; }; } s;
mkSkeletonFromList = l: {
"2" = { cpu = elemAt l 0; kernel = elemAt l 1; };
"4" = { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; abi = elemAt l 3; };
"3" = # Awkwards hacks, beware!
if elemAt l 1 == "apple"
then { cpu = elemAt l 0; vendor = "apple"; kernel = elemAt l 2; }
else if (elemAt l 1 == "linux") || (elemAt l 2 == "gnu")
then { cpu = elemAt l 0; kernel = elemAt l 1; abi = elemAt l 2; }
else throw "Target specification with 3 components is ambiguous";
}.${toString (length l)}
or (throw "system string has invalid number of hyphen-separated components");
# This should revert the job done by config.guess from the gcc compiler.
mkSystemFromString = s: let
l = lib.splitString "-" s;
mkSystemFromSkeleton = { cpu
, # Optional, but fallback too complex for here.
# Inferred below instead.
vendor ? assert false; null
, kernel
, # Also inferred below
abi ? assert false; null
} @ args: let
getCpu = name:
attrByPath [name] (throw "Unknow cpuType `${name}'.")
attrByPath [name] (throw "Unknown CPU type: ${name}")
cpuTypes;
getArch = name:
attrByPath [name] (throw "Unknow architecture `${name}'.")
architectures;
getVendor = name:
attrByPath [name] (throw "Unknown vendor: ${name}")
vendors;
getKernel = name:
attrByPath [name] (throw "Unknow kernel `${name}'.")
attrByPath [name] (throw "Unknown kernel: ${name}")
kernels;
getAbi = name:
attrByPath [name] (throw "Unknown ABI: ${name}")
abis;
system = rec {
cpu = getCpu args.cpu;
vendor =
/**/ if args ? vendor then getVendor args.vendor
else if isDarwin system then vendors.apple
else if isWindows system then vendors.pc
else vendors.unknown;
kernel = getKernel args.kernel;
abi =
/**/ if args ? abi then getAbi args.abi
else if isLinux system then abis.gnu
else if isWindows system then abis.gnu
else abis.unknown;
};
in mkSystem system;
mkSystemFromString = s: mkSystemFromSkeleton (mkSkeletonFromList (lib.splitString "-" s));
doubleFromSystem = { cpu, vendor, kernel, abi, ... }: "${cpu.name}-${kernel.name}";
tripleFromSystem = { cpu, vendor, kernel, abi, ... } @ sys: assert isSystem sys; let
optAbi = lib.optionalString (abi != abis.unknown) "-${abi.name}";
in "${cpu.name}-${vendor.name}-${kernel.name}${optAbi}";
system =
if builtins.length l == 2 then
mkSystem rec {
name = s;
cpu = getCpu (head l);
arch =
if isDarwin system
then architectures.apple
else architectures.pc;
kernel = getKernel (head (tail l));
}
else
mkSystem {
name = s;
cpu = getCpu (head l);
arch = getArch (head (tail l));
kernel = getKernel (head (tail (tail l)));
};
in assert isSystem system; system;
}

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@ -1,31 +1,40 @@
{ nixpkgs }:
{ nixpkgs ? { outPath = (import ../.).cleanSource ../..; revCount = 1234; shortRev = "abcdef"; }
, # The platforms for which we build Nixpkgs.
supportedSystems ? [ builtins.currentSystem ]
, # Strip most of attributes when evaluating to spare memory usage
scrubJobs ? true
}:
with import ../.. { };
with import ../../pkgs/top-level/release-lib.nix { inherit supportedSystems scrubJobs; };
with lib;
stdenv.mkDerivation {
name = "nixpkgs-lib-tests";
buildInputs = [ nix ];
NIX_PATH="nixpkgs=${nixpkgs}";
{
systems = import ./systems.nix { inherit lib assertTrue; };
buildCommand = ''
datadir="${nix}/share"
export TEST_ROOT=$(pwd)/test-tmp
export NIX_BUILD_HOOK=
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_DB_DIR=$TEST_ROOT/db
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_STORE_DIR=$TEST_ROOT/store
export PAGER=cat
cacheDir=$TEST_ROOT/binary-cache
nix-store --init
moduleSystem = pkgs.stdenv.mkDerivation {
name = "nixpkgs-lib-tests";
buildInputs = [ pkgs.nix ];
NIX_PATH="nixpkgs=${nixpkgs}";
cd ${nixpkgs}/lib/tests
./modules.sh
buildCommand = ''
datadir="${pkgs.nix}/share"
export TEST_ROOT=$(pwd)/test-tmp
export NIX_BUILD_HOOK=
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_DB_DIR=$TEST_ROOT/db
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_STORE_DIR=$TEST_ROOT/store
export PAGER=cat
cacheDir=$TEST_ROOT/binary-cache
nix-store --init
touch $out
'';
cd ${nixpkgs}/lib/tests
./modules.sh
touch $out
'';
};
}

31
lib/tests/systems.nix Normal file
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@ -0,0 +1,31 @@
# We assert that the new algorithmic way of generating these lists matches the
# way they were hard-coded before.
#
# One might think "if we exhaustively test, what's the point of procedurally
# calculating the lists anyway?". The answer is one can mindlessly update these
# tests as new platforms become supported, and then just give the diff a quick
# sanity check before committing :).
{ lib, assertTrue }:
with lib.systems.doubles;
let mseteq = x: y: lib.sort lib.lessThan x == lib.sort lib.lessThan y; in
{
all = assertTrue (mseteq all (linux ++ darwin ++ cygwin ++ freebsd ++ openbsd ++ netbsd ++ illumos));
arm = assertTrue (mseteq arm [ "armv5tel-linux" "armv6l-linux" "armv7l-linux" ]);
i686 = assertTrue (mseteq i686 [ "i686-linux" "i686-freebsd" "i686-netbsd" "i686-cygwin" ]);
mips = assertTrue (mseteq mips [ "mips64el-linux" ]);
x86_64 = assertTrue (mseteq x86_64 [ "x86_64-linux" "x86_64-darwin" "x86_64-freebsd" "x86_64-openbsd" "x86_64-netbsd" "x86_64-cygwin" ]);
cygwin = assertTrue (mseteq cygwin [ "i686-cygwin" "x86_64-cygwin" ]);
darwin = assertTrue (mseteq darwin [ "x86_64-darwin" ]);
freebsd = assertTrue (mseteq freebsd [ "i686-freebsd" "x86_64-freebsd" ]);
gnu = assertTrue (mseteq gnu (linux /* ++ hurd ++ kfreebsd ++ ... */));
illumos = assertTrue (mseteq illumos [ "x86_64-solaris" ]);
linux = assertTrue (mseteq linux [ "i686-linux" "x86_64-linux" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux" "mips64el-linux" ]);
netbsd = assertTrue (mseteq netbsd [ "i686-netbsd" "x86_64-netbsd" ]);
openbsd = assertTrue (mseteq openbsd [ "i686-openbsd" "x86_64-openbsd" ]);
unix = assertTrue (mseteq unix (linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos));
}

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@ -47,11 +47,11 @@ in
# cause false negatives.
testEqualOne = path: system: let
f = path: attrs: builtins.toString (lib.getAttrFromPath path (allPackages attrs));
in assert
in assertTrue (
f path { inherit system; }
==
f (["buildPackages"] ++ path) { inherit system crossSystem; };
true;
);
testEqual = path: systems: forAllSupportedSystems systems (testEqualOne path);

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@ -46,6 +46,11 @@ rec {
pkgs_x86_64_cygwin = allPackages { system = "x86_64-cygwin"; };
assertTrue = bool:
if bool
then pkgs.runCommand "evaluated-to-true" {} "touch $out"
else pkgs.runCommand "evaluated-to-false" {} "false";
/* The working or failing mails for cross builds will be sent only to
the following maintainers, as most package maintainers will not be
interested in the result of cross building a package. */

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@ -26,7 +26,7 @@ let
metrics = import ./metrics.nix { inherit pkgs nixpkgs; };
manual = import ../../doc;
lib-tests = import ../../lib/tests/release.nix { inherit nixpkgs; };
lib-tests = import ../../lib/tests/release.nix { inherit nixpkgs supportedSystems scrubJobs; };
unstable = pkgs.releaseTools.aggregate
{ name = "nixpkgs-${jobs.tarball.version}";
@ -35,7 +35,6 @@ let
[ jobs.tarball
jobs.metrics
jobs.manual
jobs.lib-tests
jobs.stdenv.x86_64-linux
jobs.stdenv.i686-linux
jobs.stdenv.x86_64-darwin
@ -62,7 +61,8 @@ let
jobs.git.x86_64-darwin
jobs.mysql.x86_64-darwin
jobs.vim.x86_64-darwin
] ++ lib.collect lib.isDerivation jobs.stdenvBootstrapTools;
] ++ lib.collect lib.isDerivation jobs.stdenvBootstrapTools
++ lib.collect lib.isDerivation jobs.lib-tests;
};
} // (lib.optionalAttrs (builtins.elem "i686-linux" supportedSystems) {
stdenvBootstrapTools.i686-linux =