mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 22:20:51 +00:00
ce26b3eaf0
The SLIM project is abandoned and their last release was in 2013. Because of this it poses a security risk to systems, no one is working on it or picked up maintenance. It also lacks compatibility with systemd and logind sessions. For users, there liikely isn't anything like slim that's as lightweight in terms of dependencies.
269 lines
8.2 KiB
Nix
269 lines
8.2 KiB
Nix
{ system
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, pkgs ? import ../.. { inherit system config; }
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# Use a minimal kernel?
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, minimal ? false
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# Ignored
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, config ? {}
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# Modules to add to each VM
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, extraConfigurations ? [] }:
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with import ./build-vms.nix { inherit system pkgs minimal extraConfigurations; };
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with pkgs;
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let
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jquery-ui = callPackage ./testing/jquery-ui.nix { };
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jquery = callPackage ./testing/jquery.nix { };
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in rec {
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inherit pkgs;
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testDriver = stdenv.mkDerivation {
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name = "nixos-test-driver";
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buildInputs = [ makeWrapper perl ];
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dontUnpack = true;
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preferLocalBuild = true;
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installPhase =
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''
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mkdir -p $out/bin
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cp ${./test-driver/test-driver.pl} $out/bin/nixos-test-driver
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chmod u+x $out/bin/nixos-test-driver
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libDir=$out/${perl.libPrefix}
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mkdir -p $libDir
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cp ${./test-driver/Machine.pm} $libDir/Machine.pm
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cp ${./test-driver/Logger.pm} $libDir/Logger.pm
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wrapProgram $out/bin/nixos-test-driver \
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--prefix PATH : "${lib.makeBinPath [ qemu_test vde2 netpbm coreutils ]}" \
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--prefix PERL5LIB : "${with perlPackages; makePerlPath [ TermReadLineGnu XMLWriter IOTty FileSlurp ]}:$out/${perl.libPrefix}"
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'';
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};
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# Run an automated test suite in the given virtual network.
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# `driver' is the script that runs the network.
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runTests = driver:
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stdenv.mkDerivation {
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name = "vm-test-run-${driver.testName}";
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requiredSystemFeatures = [ "kvm" "nixos-test" ];
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buildInputs = [ libxslt ];
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buildCommand =
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''
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mkdir -p $out/nix-support
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LOGFILE=$out/log.xml tests='eval $ENV{testScript}; die $@ if $@;' ${driver}/bin/nixos-test-driver
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# Generate a pretty-printed log.
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xsltproc --output $out/log.html ${./test-driver/log2html.xsl} $out/log.xml
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ln -s ${./test-driver/logfile.css} $out/logfile.css
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ln -s ${./test-driver/treebits.js} $out/treebits.js
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ln -s ${jquery}/js/jquery.min.js $out/
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ln -s ${jquery-ui}/js/jquery-ui.min.js $out/
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touch $out/nix-support/hydra-build-products
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echo "report testlog $out log.html" >> $out/nix-support/hydra-build-products
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for i in */xchg/coverage-data; do
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mkdir -p $out/coverage-data
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mv $i $out/coverage-data/$(dirname $(dirname $i))
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done
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'';
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};
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makeTest =
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{ testScript
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, makeCoverageReport ? false
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, enableOCR ? false
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, name ? "unnamed"
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, ...
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} @ t:
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let
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# A standard store path to the vm monitor is built like this:
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# /tmp/nix-build-vm-test-run-$name.drv-0/vm-state-machine/monitor
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# The max filename length of a unix domain socket is 108 bytes.
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# This means $name can at most be 50 bytes long.
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maxTestNameLen = 50;
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testNameLen = builtins.stringLength name;
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testDriverName = with builtins;
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if testNameLen > maxTestNameLen then
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abort ("The name of the test '${name}' must not be longer than ${toString maxTestNameLen} " +
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"it's currently ${toString testNameLen} characters long.")
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else
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"nixos-test-driver-${name}";
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nodes = buildVirtualNetwork (
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t.nodes or (if t ? machine then { machine = t.machine; } else { }));
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testScript' =
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# Call the test script with the computed nodes.
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if lib.isFunction testScript
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then testScript { inherit nodes; }
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else testScript;
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vlans = map (m: m.config.virtualisation.vlans) (lib.attrValues nodes);
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vms = map (m: m.config.system.build.vm) (lib.attrValues nodes);
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ocrProg = tesseract4.override { enableLanguages = [ "eng" ]; };
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imagemagick_tiff = imagemagick_light.override { inherit libtiff; };
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# Generate onvenience wrappers for running the test driver
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# interactively with the specified network, and for starting the
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# VMs from the command line.
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driver = runCommand testDriverName
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{ buildInputs = [ makeWrapper];
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testScript = testScript';
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preferLocalBuild = true;
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testName = name;
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}
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''
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mkdir -p $out/bin
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echo "$testScript" > $out/test-script
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ln -s ${testDriver}/bin/nixos-test-driver $out/bin/
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vms=($(for i in ${toString vms}; do echo $i/bin/run-*-vm; done))
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wrapProgram $out/bin/nixos-test-driver \
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--add-flags "''${vms[*]}" \
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${lib.optionalString enableOCR
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"--prefix PATH : '${ocrProg}/bin:${imagemagick_tiff}/bin'"} \
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--run "export testScript=\"\$(cat $out/test-script)\"" \
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--set VLANS '${toString vlans}'
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ln -s ${testDriver}/bin/nixos-test-driver $out/bin/nixos-run-vms
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wrapProgram $out/bin/nixos-run-vms \
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--add-flags "''${vms[*]}" \
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${lib.optionalString enableOCR "--prefix PATH : '${ocrProg}/bin'"} \
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--set tests 'startAll; joinAll;' \
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--set VLANS '${toString vlans}' \
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${lib.optionalString (builtins.length vms == 1) "--set USE_SERIAL 1"}
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''; # "
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passMeta = drv: drv // lib.optionalAttrs (t ? meta) {
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meta = (drv.meta or {}) // t.meta;
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};
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test = passMeta (runTests driver);
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report = passMeta (releaseTools.gcovReport { coverageRuns = [ test ]; });
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nodeNames = builtins.attrNames nodes;
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invalidNodeNames = lib.filter
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(node: builtins.match "^[A-z_][A-z0-9_]+$" node == null) nodeNames;
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in
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if lib.length invalidNodeNames > 0 then
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throw ''
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Cannot create machines out of (${lib.concatStringsSep ", " invalidNodeNames})!
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All machines are referenced as perl variables in the testing framework which will break the
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script when special characters are used.
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Please stick to alphanumeric chars and underscores as separation.
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''
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else
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(if makeCoverageReport then report else test) // {
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inherit nodes driver test;
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};
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runInMachine =
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{ drv
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, machine
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, preBuild ? ""
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, postBuild ? ""
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, ... # ???
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}:
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let
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vm = buildVM { }
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[ machine
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{ key = "run-in-machine";
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networking.hostName = "client";
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nix.readOnlyStore = false;
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virtualisation.writableStore = false;
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}
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];
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buildrunner = writeText "vm-build" ''
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source $1
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${coreutils}/bin/mkdir -p $TMPDIR
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cd $TMPDIR
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exec $origBuilder $origArgs
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'';
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testScript = ''
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startAll;
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$client->waitForUnit("multi-user.target");
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${preBuild}
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$client->succeed("env -i ${bash}/bin/bash ${buildrunner} /tmp/xchg/saved-env >&2");
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${postBuild}
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$client->succeed("sync"); # flush all data before pulling the plug
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'';
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vmRunCommand = writeText "vm-run" ''
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xchg=vm-state-client/xchg
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${coreutils}/bin/mkdir $out
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${coreutils}/bin/mkdir -p $xchg
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for i in $passAsFile; do
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i2=''${i}Path
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_basename=$(${coreutils}/bin/basename ''${!i2})
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${coreutils}/bin/cp ''${!i2} $xchg/$_basename
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eval $i2=/tmp/xchg/$_basename
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${coreutils}/bin/ls -la $xchg
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done
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unset i i2 _basename
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export | ${gnugrep}/bin/grep -v '^xchg=' > $xchg/saved-env
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unset xchg
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export tests='${testScript}'
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${testDriver}/bin/nixos-test-driver ${vm.config.system.build.vm}/bin/run-*-vm
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''; # */
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in
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lib.overrideDerivation drv (attrs: {
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requiredSystemFeatures = [ "kvm" ];
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builder = "${bash}/bin/sh";
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args = ["-e" vmRunCommand];
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origArgs = attrs.args;
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origBuilder = attrs.builder;
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});
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runInMachineWithX = { require ? [], ... } @ args:
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let
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client =
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{ ... }:
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{
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inherit require;
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virtualisation.memorySize = 1024;
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services.xserver.enable = true;
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services.xserver.displayManager.auto.enable = true;
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services.xserver.windowManager.default = "icewm";
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services.xserver.windowManager.icewm.enable = true;
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services.xserver.desktopManager.default = "none";
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};
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in
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runInMachine ({
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machine = client;
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preBuild =
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''
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$client->waitForX;
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'';
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} // args);
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simpleTest = as: (makeTest as).test;
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}
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