mirror of
https://github.com/NixOS/nixpkgs.git
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f10b935f84
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.
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| .. | ||
| agda | ||
| bintools-wrapper | ||
| build-bazel-package | ||
| build-dotnet-package | ||
| build-fhs-userenv | ||
| build-setupcfg | ||
| buildenv | ||
| cc-wrapper | ||
| docker | ||
| dotnetbuildhelpers | ||
| dotnetenv | ||
| emacs | ||
| expand-response-params | ||
| fetchbower | ||
| fetchbzr | ||
| fetchcvs | ||
| fetchdarcs | ||
| fetchdocker | ||
| fetchegg | ||
| fetchfossil | ||
| fetchgit | ||
| fetchgitlocal | ||
| fetchgx | ||
| fetchhg | ||
| fetchipfs | ||
| fetchmavenartifact | ||
| fetchmtn | ||
| fetchnuget | ||
| fetchpatch | ||
| fetchrepoproject | ||
| fetchs3 | ||
| fetchsvn | ||
| fetchsvnrevision | ||
| fetchsvnssh | ||
| fetchurl | ||
| fetchzip | ||
| icon-conv-tools | ||
| kernel | ||
| libredirect | ||
| make-desktopitem | ||
| make-startupitem | ||
| make-symlinks | ||
| mkshell | ||
| mono-dll-fixer | ||
| nix-prefetch-github | ||
| nuke-references | ||
| ocaml | ||
| references-by-popularity | ||
| release | ||
| remove-references-to | ||
| rust | ||
| setup-hooks | ||
| singularity-tools | ||
| skaware | ||
| src-only | ||
| substitute | ||
| substitute-files | ||
| templaterpm | ||
| upstream-updater | ||
| vm | ||
| wrapper-common | ||
| build-maven.nix | ||
| build-pecl.nix | ||
| closure-info.nix | ||
| dhall-to-nix.nix | ||
| plugins.nix | ||
| replace-dependency.nix | ||
| setup-systemd-units.nix | ||
| source-from-head-fun.nix | ||
| trivial-builders.nix | ||