37 lines
1.0 KiB
Nix
37 lines
1.0 KiB
Nix
{ lib
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, runCommand
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, nix
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, tarballs
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}:
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runCommand "installer-script" {
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buildInputs = [ nix ];
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} ''
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mkdir -p $out/nix-support
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# Converts /nix/store/50p3qk8k...-nix-2.4pre20201102_550e11f/bin/nix to 50p3qk8k.../bin/nix.
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tarballPath() {
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# Remove the store prefix
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local path=''${1#${builtins.storeDir}/}
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# Get the path relative to the derivation root
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local rest=''${path#*/}
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# Get the derivation hash
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local drvHash=''${path%%-*}
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echo "$drvHash/$rest"
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}
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substitute ${./install.in} $out/install \
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${lib.concatMapStrings
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(tarball: let
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inherit (tarball.stdenv.hostPlatform) system;
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in '' \
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--replace '@tarballHash_${system}@' $(nix --experimental-features nix-command hash-file --base16 --type sha256 ${tarball}/*.tar.xz) \
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--replace '@tarballPath_${system}@' $(tarballPath ${tarball}/*.tar.xz) \
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''
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)
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tarballs
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} --replace '@nixVersion@' ${nix.version}
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echo "file installer $out/install" >> $out/nix-support/hydra-build-products
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''
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