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nix-scripts/main.nix

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Nix

{ pkgs ? import <nixpkgs> {}}:
let
artiqSrc = <artiqSrc>;
generatedNix = pkgs.runCommand "generated-nix" { buildInputs = [ pkgs.nix pkgs.git ]; }
''
cp --no-preserve=mode,ownership -R ${./artiq} $out
REV=`git --git-dir ${artiqSrc}/.git rev-parse HEAD`
HASH=`nix-hash --type sha256 --base32 ${artiqSrc}`
cat > $out/pkgs/artiq-src.nix << EOF
{ fetchgit }:
fetchgit {
url = "git://github.com/m-labs/artiq.git";
rev = "$REV";
sha256 = "$HASH";
leaveDotGit = true;
}
EOF
echo \"5e.`cut -c1-8 <<< $REV`\" > $out/pkgs/artiq-version.nix
'';
generateTestOkHash = pkgs.runCommand "generate-test-ok-hash" { buildInputs = [ pkgs.nix ]; }
''
TMPDIR=`mktemp -d`
cp ${generatedNix}/pkgs/artiq-version.nix $TMPDIR/passed
HASH=`nix-hash --type sha256 --base32 $TMPDIR`
echo \"$HASH\" > $out
'';
artiqpkgs = import "${generatedNix}/default.nix" { inherit pkgs; };
artiqVersion = import "${generatedNix}/pkgs/artiq-version.nix";
jobs = builtins.mapAttrs (key: value: pkgs.lib.hydraJob value) artiqpkgs;
in
jobs // {
generated-nix = pkgs.lib.hydraJob generatedNix; # used by sinara-systems
channel = pkgs.releaseTools.channel rec {
name = "main";
src = generatedNix;
constituents = builtins.attrValues jobs;
};
# HACK: Abuse fixed-output derivations to escape the sandbox and run the hardware
# unit tests, all integrated in the Hydra interface.
# One major downside of this hack is the tests are only run when generateTestOkHash
# changes, i.e. when the ARTIQ version changes (and not the dependencies).
# Impure derivations, when they land in Nix/Hydra, should improve the situation.
kc705-tests = pkgs.stdenv.mkDerivation rec {
name = "kc705-tests";
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = import generateTestOkHash;
buildInputs = [
(pkgs.python3.withPackages(ps: [ ps.paramiko artiqpkgs.artiq artiqpkgs.artiq-board-kc705-nist_clock ]))
artiqpkgs.binutils-or1k
artiqpkgs.openocd
pkgs.iputils
];
sshKey = /var/lib/hydra/queue-runner/.ssh/id_rsa
phases = [ "buildPhase" ];
buildPhase =
''
export HOME=`mktemp -d`
mkdir $HOME/.ssh
cp ${sshKey} $HOME/.ssh/id_rsa
artiq_flash -t kc705 -H rpi
sleep 15
# ping: socket: Operation not permitted
#ping kc705-1 -c10 -w30
export ARTIQ_ROOT=`python -c "import artiq; print(artiq.__path__[0])"`/examples/kc705_nist_clock",
export ARTIQ_LOW_LATENCY=1
python -m unittest discover -v artiq.test.coredevice
mkdir $out
cp ${generatedNix}/pkgs/artiq-version.nix $out/passed
'';
};
}