81 lines
2.2 KiB
Nix
81 lines
2.2 KiB
Nix
{
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stdenv
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}:
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{
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trebuchet,
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experiment
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}:
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with builtins;
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let
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experimentName = baseNameOf (experiment);
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trebuchetName = baseNameOf (trebuchet);
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in
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stdenv.mkDerivation {
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name = "resultTree";
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preferLocalBuild = true;
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phases = [ "installPhase" ];
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installPhase = ''
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echo "resultTree: searching for garlicd daemon..."
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if [ -e /garlic/run ]; then
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echo "resultTree: asking the daemon to run and fetch the experiment"
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echo ${trebuchet} >> /garlic/run
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echo "resultTree: waiting for experiment results..."
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res=$(cat /garlic/completed)
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if [ "$res" != "${trebuchet}" ]; then
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echo "resultTree: unknown trebuchet received"
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exit 1
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fi
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else
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echo "resultTree: garlicd not detected: /garlic/run not found"
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echo "resultTree: assuming results are already in /garlic"
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fi
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echo "resultTree: attempting to copy the results from /garlic ..."
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exp=/garlic/cache/${experimentName}
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if [ ! -e "$exp" ]; then
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echo "resultTree: $exp: not found"
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echo "resultTree: run the experiment and fetch the results running"
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echo "resultTree: the following command from the nix-shell"
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echo
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echo -e "\e[30;48;5;2mgarlic -RFv ${trebuchet}\e[0m"
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echo
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echo "resultTree: see garlic(1) for more details."
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echo "resultTree: cannot continue building $out, aborting"
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exit 1
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fi
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echo "resultTree: copying results from /garlic into the nix store..."
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mkdir -p $out
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cp -aL $exp $out/
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ln -s ${trebuchet} $out/trebuchet
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ln -s ${experiment} $out/experiment
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if [ -e /garlic/run ]; then
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echo "resultTree: removing temp files..."
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echo ${trebuchet} >> /garlic/wipe
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echo "resultTree: waiting confimation from daemon..."
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cat /garlic/completed > /dev/null
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else
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echo "resultTree: garlicd not detected: /garlic/run not found"
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echo "resultTree: ignoring temp files"
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fi
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echo "resultTree: successfully copied into the nix store"
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echo " experiment: ${experiment}"
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echo " trebuchet: ${trebuchet}"
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echo " resultTree: $out"
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'';
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}
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