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nix build --json: Include build statistics

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Example:

  # nix build -L --extra-experimental-features cgroups --impure --expr 'with import <nixpkgs> {}; runCommand "foo" {} "dd if=/dev/urandom bs=1M count=1024 | md5sum; mkdir $out"' --json
  [
    {
      "cpuSystem": 1.911431,
      "cpuUser": 1.214249,
      "drvPath": "/nix/store/xzdqz67xba18hljhycp0hwfigzrs2z69-foo.drv",
      "outputs": {
        "out": "/nix/store/rh9mc9l2gkpq8kn2sgzndr6ll7ffjh6l-foo"
      },
      "startTime": 1669024076,
      "stopTime": 1669024079
    }
  ]
This commit is contained in:
Eelco Dolstra 2022-11-21 10:49:01 +01:00
parent e7a5b76844
commit f0baa5c128
7 changed files with 73 additions and 46 deletions
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11
src/libcmd/installables.hh
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@ -7,6 +7,7 @@
#include "eval.hh"
#include "store-api.hh"
#include "flake/flake.hh"
#include "build-result.hh"
#include <optional>
@ -51,6 +52,12 @@ enum class OperateOn {
Derivation
};
struct BuiltPathWithResult
{
BuiltPath path;
std::optional<BuildResult> result;
};
struct Installable
{
virtual ~Installable() { }
@ -91,14 +98,14 @@ struct Installable
return FlakeRef::fromAttrs({{"type","indirect"}, {"id", "nixpkgs"}});
}
static BuiltPaths build(
static std::vector<BuiltPathWithResult> build(
ref<Store> evalStore,
ref<Store> store,
Realise mode,
const std::vector<std::shared_ptr<Installable>> & installables,
BuildMode bMode = bmNormal);
static std::vector<std::pair<std::shared_ptr<Installable>, BuiltPath>> build2(
static std::vector<std::pair<std::shared_ptr<Installable>, BuiltPathWithResult>> build2(
ref<Store> evalStore,
ref<Store> store,
Realise mode,