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nixpkgs/pkgs/build-support
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Jörg Thalheim f10b935f84
breakpointHook: add for debugging failing builds 
Usuage: Add breakpointHook to your `buildInputs` like this:

  stdenv.mkDerivation rec {
    # ...
    buildInputs = [ breakpointHook ];
  });

When the build fails as show in this example:

  pkgs.hello.overrideAttrs (old: {
    buildInputs = [ breakpointHook ];
    postPatch = ''
      false
    '';
  });

It will halt execution printing the following message:

build failed in patchPhase with exit code 1
To attach to this build run the following command as root:

   cntr attach -t command cntr-/nix/store/ynyb4n82x2r7sldd58pbb405jdqh5f00-hello-2.10

Installing cntr and running the command will provide shell access to the
build sandbox of failed build:

sudo cntr attach -t command cntr-/nix/store/ynyb4n82x2r7sldd58pbb405jdqh5f00-hello-2.10
WARNING: bad ownership on /nix/var/nix/profiles/per-user/root, should be 1000
[nixbld@localhost:/var/lib/cntr]$

At /var/lib/cntr the sandbox filesystem is mounted. All commands and
files of the system are still accessible within the shell.
To execute commands from the sandbox use the `cntr exec` subcommand.
2018-10-25 10:19:41 +01:00
..
agda
bintools-wrapper bintools-wrapper, cc-wrapper, stdenv: infer propagateDoc automatically 2018-09-23 17:29:56 +00:00
build-bazel-package bazel-watcher: init at 0.5.0 2018-09-29 13:33:00 -07:00
build-dotnet-package treewide: Manual fix more pkg-config build-inputs 2017-09-21 15:49:54 -04:00
build-fhs-userenv reewide: Purge all uses stdenv.system and top-level system 2018-08-30 17:20:32 -04:00
build-setupcfg Revert "buildSetupcfg: Include unzip for zip sources." 2018-04-14 20:12:22 -04:00
buildenv
cc-wrapper bintools-wrapper, cc-wrapper, stdenv: infer propagateDoc automatically 2018-09-23 17:29:56 +00:00
docker dockerTools: Use nix instead of nixUnstable 2018-10-01 09:51:52 +02:00
dotnetbuildhelpers
dotnetenv [bot]: remove unreferenced code 2018-07-20 18:48:37 +00:00
emacs lib: Make overrideScope' which takes arguments in the conventional order 2018-09-24 17:50:11 -04:00
expand-response-params
fetchbower Merge remote-tracking branch 'upstream/master' into staging 2018-01-14 21:18:27 +02:00
fetchbzr treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchcvs bsd: init netbsd & openbsd userland 2018-04-24 14:16:35 -05:00
fetchdarcs pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchdocker Merge branch 'no-toPath' 2018-09-06 08:09:53 -04:00
fetchegg treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchfossil treewide: Fixed output fetch* derivations should use nativeBuildInputs 2018-01-09 20:14:46 -05:00
fetchgit pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchgitlocal pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchgx Merge remote-tracking branch 'upstream/master' into staging 2018-01-14 21:18:27 +02:00
fetchhg pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchipfs treewide: Fixed output fetch* derivations should use nativeBuildInputs 2018-01-09 20:14:46 -05:00
fetchmavenartifact
fetchmtn treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchnuget pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchpatch fetchpatch: patchutils -> buildPackages.patchutils 2018-08-21 17:21:25 -04:00
fetchrepoproject treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchs3 pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
fetchsvn treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchsvnrevision
fetchsvnssh treewide: Fetchers should use stdenvNoCC. 2018-01-10 11:18:44 -05:00
fetchurl fetchurl: add sageupstream mirror 2018-06-30 01:20:44 +02:00
fetchzip fetchzip: Use unzip from buildPackages 2018-09-21 12:55:32 -04:00
icon-conv-tools
kernel treewide: Remove usage of remaining redundant platform compatability stuff 2018-08-30 17:20:32 -04:00
libredirect libredirect: add description 2017-12-14 19:03:35 +00:00
make-desktopitem
make-startupitem
make-symlinks
mkshell mkShell: add builder (#30975) 2017-12-20 23:42:07 +00:00
mono-dll-fixer
nix-prefetch-github nix-prefetch-github: init -> 1.3 2018-05-22 20:55:07 +02:00
nuke-references
ocaml
references-by-popularity referencesByPopularity: init to sort packages by a cachability heuristic 2018-09-26 15:50:10 -04:00
release reewide: Purge all uses stdenv.system and top-level system 2018-08-30 17:20:32 -04:00
remove-references-to
rust buildRustPackage: fix regex for separating lib and bin 2018-10-07 22:14:19 +02:00
setup-hooks breakpointHook: add for debugging failing builds 2018-10-25 10:19:41 +01:00
singularity-tools pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
skaware skaware: switch from git repos to tarballs 2018-09-06 11:53:22 +02:00
src-only
substitute
substitute-files
templaterpm
upstream-updater
vm debian vm tools: use snapshot.debian.org 2018-10-08 18:05:09 +02:00
wrapper-common {bintools,cc}-wrapper: Factor out role accumulation logic 2018-05-07 15:10:45 -04:00
build-maven.nix buildMaven: Check for authenticated attribute 2018-07-25 16:00:52 +02:00
build-pecl.nix Revert "fix phpPackages memcache,memcached,xdebug" 2017-12-10 12:12:43 +01:00
closure-info.nix Cleanup 2018-02-27 19:59:26 +01:00
dhall-to-nix.nix
plugins.nix
replace-dependency.nix
setup-systemd-units.nix
source-from-head-fun.nix
trivial-builders.nix trivial builders: adding usage documentation for functions 2018-10-02 22:09:09 +02:00