148 lines
3.2 KiB
Nix
148 lines
3.2 KiB
Nix
{ depot, pkgs, ... }:
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let
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inherit (depot.nix)
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writeExecline
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;
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inherit (depot.users.Profpatsch.lib)
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debugExec
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;
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bins = depot.nix.getBins pkgs.coreutils [ "head" "shuf" ]
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// depot.nix.getBins pkgs.jq [ "jq" ]
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// depot.nix.getBins pkgs.findutils [ "xargs" ]
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// depot.nix.getBins pkgs.gnused [ "sed" ]
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;
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export-json-object = pkgs.writers.writePython3 "export-json-object" { } ''
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import json
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import sys
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import os
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d = json.load(sys.stdin)
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if d == {}:
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sys.exit(0)
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for k, v in d.items():
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os.environ[k] = str(v)
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os.execvp(sys.argv[1], sys.argv[1:])
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'';
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meta-stdenv-lib = pkgs.writers.writeHaskell "meta-stdenv-lib"
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{
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libraries = [
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pkgs.haskellPackages.hnix
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pkgs.haskellPackages.aeson
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];
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} ./MetaStdenvLib.hs;
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replace-between-lines = writeExecline "replace-between-lines" { readNArgs = 1; } [
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"importas"
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"-ui"
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"file"
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"fileName"
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"importas"
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"-ui"
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"from"
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"fromLine"
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"importas"
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"-ui"
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"to"
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"toLine"
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"if"
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[ depot.tools.eprintf "%s-%s\n" "$from" "$to" ]
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(debugExec "adding lib")
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bins.sed
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"-e"
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"\${from},\${to} \${1}"
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"-i"
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"$file"
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];
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add-lib-if-necessary = writeExecline "add-lib-if-necessary" { readNArgs = 1; } [
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"pipeline"
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[ meta-stdenv-lib "$1" ]
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export-json-object
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# first replace any stdenv.lib mentions in the arg header
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# if this is not done, the replace below kills these.
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# Since we want it anyway ultimately, let’s do it here.
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"if"
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[ replace-between-lines "s/stdenv\.lib/lib/" ]
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# then add the lib argument
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# (has to be before stdenv, otherwise default arguments might be in the way)
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replace-between-lines
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"s/stdenv/lib, stdenv/"
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];
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metaString = ''meta = with stdenv.lib; {'';
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replace-stdenv-lib = pkgs.writers.writeBash "replace-stdenv-lib" ''
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set -euo pipefail
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sourceDir="$1"
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for file in $(
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${pkgs.ripgrep}/bin/rg \
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--files-with-matches \
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--fixed-strings \
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-e '${metaString}' \
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"$sourceDir"
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)
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do
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echo "replacing stdenv.lib meta in $file" >&2
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${bins.sed} -e '/${metaString}/ s/stdenv.lib/lib/' \
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-i "$file"
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${add-lib-if-necessary} "$file"
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done
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'';
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instantiate-nixpkgs-randomly = writeExecline "instantiate-nixpkgs-randomly" { readNArgs = 1; } [
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"export"
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"NIXPKGS_ALLOW_BROKEN"
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"1"
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"export"
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"NIXPKGS_ALLOW_UNFREE"
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"1"
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"export"
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"NIXPKGS_ALLOW_INSECURE"
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"1"
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"export"
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"NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM"
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"1"
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"pipeline"
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[
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"nix"
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"eval"
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"--raw"
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''(
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let pkgs = import ''${1} {};
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in builtins.toJSON (builtins.attrNames pkgs)
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)''
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]
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"pipeline"
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[ bins.jq "-r" ".[]" ]
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"pipeline"
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[ bins.shuf ]
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"pipeline"
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[ bins.head "-n" "1000" ]
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bins.xargs
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"-I"
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"{}"
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"-n1"
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"if"
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[ depot.tools.eprintf "instantiating %s\n" "{}" ]
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"nix-instantiate"
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"$1"
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"-A"
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"{}"
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];
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in
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depot.nix.readTree.drvTargets {
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inherit
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instantiate-nixpkgs-randomly
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# requires hnix, which we don’t want in tvl for now
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# uncomment manually if you want to use it.
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# meta-stdenv-lib
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# replace-stdenv-lib
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;
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}
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