65 lines
2.3 KiB
Nix
65 lines
2.3 KiB
Nix
{ lib, stdenvNoCC, fetchFromGitHub, hostPlatform, writeClosure, busybox, apps
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, benchmark, syscall, }:
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let
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etc = lib.fileset.toSource {
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root = ./../src/etc;
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fileset = ./../src/etc;
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};
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gvisor_libs = builtins.path {
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name = "gvisor-libs";
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path = "/lib/x86_64-linux-gnu";
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};
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all_pkgs = [ busybox etc ] ++ lib.optionals (apps != null) [ apps.package ]
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++ lib.optionals (benchmark != null) [ benchmark.package ]
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++ lib.optionals (syscall != null) [ syscall.package ];
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in stdenvNoCC.mkDerivation {
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name = "initramfs";
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buildCommand = ''
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mkdir -p $out/{dev,etc,root,usr,opt,tmp,var,proc,sys}
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mkdir -p $out/{benchmark,test,ext2,exfat}
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mkdir -p $out/usr/{bin,sbin,lib,lib64,local}
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ln -sfn usr/bin $out/bin
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ln -sfn usr/sbin $out/sbin
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ln -sfn usr/lib $out/lib
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ln -sfn usr/lib64 $out/lib64
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cp -r ${busybox}/bin/* $out/bin/
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cp -r ${etc}/* $out/etc/
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${lib.optionalString (apps != null) ''
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cp -r ${apps.package}/* $out/test/
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''}
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${lib.optionalString (benchmark != null) ''
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cp -r "${benchmark.package}"/* $out/benchmark/
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''}
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${lib.optionalString (syscall != null) ''
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cp -r "${syscall.package}"/opt/* $out/opt/
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# FIXME: Build gvisor syscall test with nix to avoid manual library copying.
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if [ "${syscall.testSuite}" == "gvisor" ]; then
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mkdir -p $out/lib/x86_64-linux-gnu
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cp -L ${gvisor_libs}/ld-linux-x86-64.so.2 $out/lib64/ld-linux-x86-64.so.2
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cp -L ${gvisor_libs}/libstdc++.so.6 $out/lib/x86_64-linux-gnu/libstdc++.so.6
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cp -L ${gvisor_libs}/libgcc_s.so.1 $out/lib/x86_64-linux-gnu/libgcc_s.so.1
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cp -L ${gvisor_libs}/libc.so.6 $out/lib/x86_64-linux-gnu/libc.so.6
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cp -L ${gvisor_libs}/libm.so.6 $out/lib/x86_64-linux-gnu/libm.so.6
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fi
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''}
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# Use `writeClosure` to retrieve all dependencies of the specified packages.
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# This will generate a text file containing the complete closure of the packages,
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# including the packages themselves.
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# The output of `writeClosure` is equivalent to `nix-store -q --requisites`.
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mkdir -p $out/nix/store
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pkg_path=${lib.strings.concatStringsSep ":" all_pkgs}
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while IFS= read -r dep_path; do
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if [[ "$pkg_path" == *"$dep_path"* ]]; then
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continue
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fi
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cp -r $dep_path $out/nix/store/
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done < ${writeClosure all_pkgs}
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'';
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}
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