mirror of
https://github.com/mroi/apple-internals.git
synced 2026-02-12 17:12:44 +00:00
53 lines
1.6 KiB
Nix
53 lines
1.6 KiB
Nix
{
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description = "tools to understand the internals of Apple’s operating systems";
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inputs = {
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snapshot-header = {
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url = "https://opensource.apple.com/tarballs/xnu/xnu-6153.141.1.tar.gz";
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flake = false;
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};
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snap-util = {
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url = github:ahl/apfs;
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flake = false;
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};
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};
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outputs = { self, nixpkgs, snapshot-header, snap-util }: {
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snap-util =
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with import nixpkgs { system = "x86_64-darwin"; };
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stdenv.mkDerivation {
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name = "snap-util-${lib.substring 0 8 self.inputs.snap-util.lastModifiedDate}";
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src = snap-util;
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preBuild = "NIX_CFLAGS_COMPILE='-idirafter ${snapshot-header}/bsd'";
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installPhase = ''
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mkdir -p $out/bin
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cp snapUtil $out/bin/.snapUtil-wrapped
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cat > $out/bin/snapUtil <<- EOF
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#!/bin/sh
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if csrutil status | grep -Fq disabled && sysctl kern.bootargs | grep -Fq amfi_get_out_of_my_way ; then
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exec $out/bin/.snapUtil-wrapped "\$@"
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else
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echo 'snapUtil requires SIP and AMFI to be disabled:'
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echo '• boot recovery system'
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echo '• run ‘csrutil disable’'
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echo '• run ‘nvram boot-args=amfi_get_out_of_my_way=0x1’'
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exit 1
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fi
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EOF
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chmod a+x $out/bin/snapUtil
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'';
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postFixup = ''
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cat > snapUtil.entitlements <<- EOF
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>com.apple.developer.vfs.snapshot</key>
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<true/>
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</dict>
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</plist>
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EOF
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/usr/bin/codesign -s - --entitlement snapUtil.entitlements $out/bin/.snapUtil-wrapped
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'';
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};
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};
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}
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