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@NickCao
Last active March 9, 2023 08:40
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let
pkgs = import <nixpkgs> {};
inherit (pkgs) lib;
src = pkgs.fetchgit {
url = "https://gitlab.com/NickCao/RAIT";
rev = "e84e803641ec3a2dce5670275ea8d5497608f483";
fetchSubmodules = false;
deepClone = false;
leaveDotGit = false;
sha256 = "sha256-vaRPmHrom4GEOuAdILzFpttc4vwcRVQWhLNalCco2qE=";
};
deps = builtins.map
(v:
let i = builtins.elemAt v; in
{
path = i 0;
version = i 1;
hash = lib.strings.removePrefix "h1:" (i 2);
})
(builtins.map (lib.splitString " ")
(lib.filter (s: s != "")
(lib.splitString "\n"
(builtins.readFile "${src}/go.sum"))));
prefixes = builtins.map dep2prefix deps;
dep2prefix = dep:
let
version = lib.strings.removeSuffix "/go.mod" dep.version;
alphabet = "abcdefghijklmnopqrstuvwxyz";
uppers = lib.stringToCharacters (lib.toUpper alphabet);
lowers = builtins.map (x: "!${x}") (lib.stringToCharacters alphabet);
modpath = builtins.replaceStrings uppers lowers dep.path;
escapedPath = "${modpath}/@v/${version}";
modonlyfile = pkgs.fetchurl {
url = "https://goproxy.cn/${escapedPath}.mod";
sha256 = builtins.elemAt (builtins.split " " (builtins.readFile modonlymanifest)) 0;
};
modonlymanifest = pkgs.runCommand "manifest"
{
outputHashMode = "flat";
outputHashAlgo = "sha256";
outputHash = dep.hash;
nativeBuildInputs = [ pkgs.cacert pkgs.curl ];
} ''
curl https://goproxy.cn/${escapedPath}.mod -o go.mod
sha256sum go.mod > $out
'';
modonly = pkgs.runCommand "mod" { } "install -D ${modonlyfile} $out/${escapedPath}.mod";
mod = pkgs.runCommand "mod"
{
nativeBuildInputs = [ pkgs.curl pkgs.cacert pkgs.unzip ];
__impure = true;
} ''
curl -L https://goproxy.cn/${escapedPath}.zip -o mod.zip
unzip mod.zip -d $out
'';
manifest = pkgs.runCommand "manifest"
{
outputHashMode = "flat";
outputHashAlgo = "sha256";
outputHash = dep.hash;
nativeBuildInputs = [ pkgs.libarchive ];
} ''
cd ${mod}
find "${dep.path}@${version}" -type f | LC_COLLATE=C sort | xargs -d '\n' sha256sum > $out
'';
filelist = builtins.map
(v:
let i = builtins.elemAt v; in
{
path = i 1;
hash = i 0;
})
(builtins.map (lib.splitString " ")
(lib.filter (s: s != "")
(lib.splitString "\n"
(builtins.readFile manifest))));
files = builtins.map
(file: pkgs.runCommand "file"
{
outputHashMode = "flat";
outputHashAlgo = "sha256";
outputHash = file.hash;
passthru = {
path = file.path;
};
} ''
cp "${mod}/${file.path}" $out
'')
filelist;
prefix = pkgs.runCommand dep.path { } (lib.concatStrings
(builtins.map
(file: ''
install -D "${file}" "$out/${file.path}"
'')
files));
zipped = pkgs.runCommand "mod" { nativeBuildInputs = [ pkgs.zip ]; } ''
mkdir -p $out/${modpath}/@v
cd ${prefix}
zip -0 --recurse-paths --quiet --no-dir-entries $out/${escapedPath}.zip .
'';
in
if lib.strings.hasSuffix "/go.mod" dep.version then modonly else zipped;
modcache =
pkgs.symlinkJoin {
name = "download";
paths = prefixes;
};
in
pkgs.stdenv.mkDerivation {
name = "rait";
inherit src;
nativeBuildInputs = [ pkgs.go ];
buildPhase = ''
export GOPROXY=file://${modcache}
export HOME=$TMPDIR
go build -o $out/bin/rait cmd/rait/rait.go
'';
dontInstall = true;
}
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