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minimal-bootstrap: refactor out bootstrap-sources.nix

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This commit is contained in:
Emily Trau 2023-05-02 10:59:15 +10:00
parent c2fd974d5b
commit 5f4f945cff
3 changed files with 42 additions and 38 deletions
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34
pkgs/os-specific/linux/minimal-bootstrap/stage0-posix/bootstrap-sources.nix Normal file
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@ -0,0 +1,34 @@
rec {
name = "stage0-posix-${version}-${rev}-source";
# Pinned from https://github.com/oriansj/stage0-posix/commit/bdd3ee779adb9f4a299059d09e68dfedecfd4226
version = "unstable-2023-04-24";
rev = "bdd3ee779adb9f4a299059d09e68dfedecfd4226";
# This 256 byte seed is the only pre-compiled binary in the bootstrap chain.
# While it is included in the stage0-posix source bundle and is synced with
# stage0-posix updates, we have split it out into its own derivation to highlight
# its unique status as a trusted binary seed.
hex0-seed = import <nix/fetchurl.nix> {
name = "hex0-seed-${version}";
url = "https://github.com/oriansj/bootstrap-seeds/raw/b1263ff14a17835f4d12539226208c426ced4fba/POSIX/x86/hex0-seed";
hash = "sha256-QU3RPGy51W7M2xnfFY1IqruKzusrSLU+L190ztN6JW8=";
executable = true;
};
# Packaged resources required for the first bootstrapping stage.
# Contains source code and 256-byte hex0 binary seed.
#
# We don't have access to utilities such as fetchgit and fetchzip since this
# is this is part of the bootstrap process and would introduce a circular
# dependency. The only tool we have to fetch source trees is `import <nix/fetchurl.nix>`
# with the unpack option, taking a NAR file as input. This requires source
# tarballs to be repackaged.
#
# To build see `make-bootstrap-sources.nix`
src = import <nix/fetchurl.nix> {
inherit name;
url = "https://github.com/emilytrau/bootstrap-tools-nar-mirror/releases/download/2023-04-25/${name}.nar.xz";
hash = "sha256-hMLo32yqXiTXPyW1jpR5zprYzZW8lFQy6KMrkNQZ89I=";
unpack = true;
};
}

31
pkgs/os-specific/linux/minimal-bootstrap/stage0-posix/default.nix
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@ -5,36 +5,7 @@
lib.makeScope newScope (self: with self; {
callPackage = self.callPackage;
# Pinned from https://github.com/oriansj/stage0-posix/commit/bdd3ee779adb9f4a299059d09e68dfedecfd4226
version = "unstable-2023-04-24";
rev = "bdd3ee779adb9f4a299059d09e68dfedecfd4226";
# This 256 byte seed is the only pre-compiled binary in the bootstrap chain.
# While it is included in the stage0-posix source bundle and is synced with
# stage0-posix updates, we have split it out into its own derivation to highlight
# its unique status as a trusted binary seed.
hex0-seed = import <nix/fetchurl.nix> {
name = "hex0-seed-${version}";
url = "https://github.com/oriansj/bootstrap-seeds/raw/b1263ff14a17835f4d12539226208c426ced4fba/POSIX/x86/hex0-seed";
hash = "sha256-QU3RPGy51W7M2xnfFY1IqruKzusrSLU+L190ztN6JW8=";
executable = true;
};
# Packaged resources required for the first bootstrapping stage.
# Contains source code and 256-byte hex0 binary seed.
#
# We don't have access to utilities such as fetchgit and fetchzip since this
# is this is part of the bootstrap process and would introduce a circular
# dependency. The only tool we have to fetch source trees is `import <nix/fetchurl.nix>`
# with the unpack option, taking a NAR file as input. This requires source
# tarballs to be repackaged.
#
# To build see `make-bootstrap-sources.nix`
src = import <nix/fetchurl.nix> {
url = "https://github.com/emilytrau/bootstrap-tools-nar-mirror/releases/download/2023-04-25/stage0-posix-${builtins.substring 0 7 rev}-source.nar.xz";
hash = "sha256-hMLo32yqXiTXPyW1jpR5zprYzZW8lFQy6KMrkNQZ89I=";
unpack = true;
};
inherit (import ./bootstrap-sources.nix) version hex0-seed src;
m2libc = src + "/M2libc";

15
pkgs/os-specific/linux/minimal-bootstrap/stage0-posix/make-bootstrap-sources.nix
View file

@ -10,27 +10,26 @@
# To build:
#
# nix-build pkgs/os-specific/linux/minimal-bootstrap/stage0-posix/make-bootstrap-sources.nix
# => ./result/stage0-posix-0000000-source.nar.xz
# => ./result/stage0-posix-$version-$rev-source.nar.xz
#
{ pkgs ? import ../../../../.. {} }:
let
inherit (pkgs) runCommand fetchFromGitHub nix xz;
inherit (pkgs) callPackage runCommand fetchFromGitHub nix xz;
inherit (import ./bootstrap-sources.nix) name rev;
pname = "stage0-posix";
rev = "bdd3ee779adb9f4a299059d09e68dfedecfd4226";
shortHash = builtins.substring 0 7 rev;
src = fetchFromGitHub {
owner = "oriansj";
repo = pname;
repo = "stage0-posix";
inherit rev;
sha256 = "hMLo32yqXiTXPyW1jpR5zprYzZW8lFQy6KMrkNQZ89I=";
fetchSubmodules = true;
};
in
runCommand "${pname}-${shortHash}-source" {
runCommand name {
nativeBuildInputs = [ nix xz ];
} ''
mkdir $out
nix-store --dump ${src} | xz -c > "$out/${pname}-${shortHash}-source.nar.xz"
nix-store --dump ${src} | xz -c > "$out/${name}.nar.xz"
''