forked from mirrors/nixpkgs
8dc5ff7dcf
The upstream session files display managers use have no concept of sessions being composed from desktop manager and window manager. To be able to set upstream session files as default session, we need a single option. Having two different ways to set default session would be confusing, though, so we decided to deprecate the old method. We also created separate script for each session, just like we already had a separate desktop file for each one, and started using displayManager.sessionPackages mechanism to make the session handling more uniform.
281 lines
8.6 KiB
Nix
281 lines
8.6 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 = let
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testDriverScript = ./test-driver/test-driver.py;
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in stdenv.mkDerivation {
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name = "nixos-test-driver";
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = [ (python3.withPackages (p: [ p.ptpython ])) ];
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checkInputs = with python3Packages; [ pylint black mypy ];
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dontUnpack = true;
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preferLocalBuild = true;
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doCheck = true;
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checkPhase = ''
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mypy --disallow-untyped-defs \
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--no-implicit-optional \
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--ignore-missing-imports ${testDriverScript}
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pylint --errors-only ${testDriverScript}
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black --check --diff ${testDriverScript}
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'';
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installPhase =
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''
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mkdir -p $out/bin
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cp ${testDriverScript} $out/bin/nixos-test-driver
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chmod u+x $out/bin/nixos-test-driver
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# TODO: copy user script part into this file (append)
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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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'';
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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='exec(os.environ["testScript"])' ${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}/js/jquery.js $out/
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ln -s ${jquery-ui}/js/jquery-ui.min.js $out/
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ln -s ${jquery-ui}/js/jquery-ui.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 $out/bin
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echo -n "$testScript" > $out/test-script
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${python3Packages.black}/bin/black --check --diff $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 'start_all(); join_all();' \
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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.displayManager.defaultSession = "none+icewm";
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services.xserver.windowManager.icewm.enable = true;
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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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