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This exports the standalone scripts from the Linux tree as usable package. For example, they are helpful for OS-space developers and virtualization engineers. For the beginning, this includes: `$ extract-vmlinux path/to/bzImage > vmlinux` `$ extract-ikconfig path/to/bzImage > .config`
65 lines
1.2 KiB
Nix
65 lines
1.2 KiB
Nix
{ lib
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, linuxHeaders # Linux source tree
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, makeWrapper
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, stdenvNoCC
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, binutils
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, coreutils
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, gnugrep
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# decompressors for possible kernel image formats
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, bzip2
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, gzip
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, lz4
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, lzop
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, xz
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, zstd
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}:
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let
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commonDeps = [
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binutils
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coreutils
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gnugrep
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gzip
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xz
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bzip2
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lzop
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lz4
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zstd
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];
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toWrapScriptLines = scriptName: ''
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install -Dm 0755 scripts/${scriptName} $out/bin/${scriptName}
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wrapProgram $out/bin/${scriptName} --prefix PATH : ${lib.makeBinPath commonDeps}
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'';
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in
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stdenvNoCC.mkDerivation
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{
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inherit (linuxHeaders) version;
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pname = "linux-scripts";
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# These scripts will rarely change and are usually not bound to a specific
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# version of Linux. So it is okay to just use whatever Linux version comes
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# from `linuxHeaders.
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src = linuxHeaders.src;
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nativeBuildInputs = [ makeWrapper ];
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dontConfigure = true;
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dontBuild = true;
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installPhase = ''
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${toWrapScriptLines "extract-ikconfig"}
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${toWrapScriptLines "extract-vmlinux"}
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'';
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meta = with lib; {
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description = "Standalone scripts from <linux>/scripts";
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homepage = "https://www.kernel.org/";
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license = licenses.gpl2Only;
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maintainers = [ maintainers.phip1611 ];
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platforms = platforms.all;
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};
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}
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