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Jade Lovelace b1f0f1c5a1 port crash-handler from lix to nix 
It was first introduced in 19e0ce2c03

In Nix we only register the crash handler in main instead of initNix,
because library user may want to use their own crash handler.

Sample output:

Mar 12 08:38:06 eve nix[2303762]: Nix crashed. This is a bug. Please report this at https://github.com/NixOS/nix/issues with the following information included:
Mar 12 08:38:06 eve nix[2303762]: Exception: nix::SysError: error: writing to file: Resource temporarily unavailable
Mar 12 08:38:06 eve nix[2303762]: Stack trace:
Mar 12 08:38:06 eve nix[2303762]:  0# 0x000000000076876A in nix
                                   1# 0x00007FDA40E9F20A in /nix/store/2lhklm5aizx30qbw49acnrrzkj9lbmij-gcc-14-20241116-lib/lib/libstdc++.so.6
                                   2# std::unexpected() in /nix/store/2lhklm5aizx30qbw49acnrrzkj9lbmij-gcc-14-20241116-lib/lib/libstdc++.so.6
                                   3# 0x00007FDA40E9F487 in /nix/store/2lhklm5aizx30qbw49acnrrzkj9lbmij-gcc-14-20241116-lib/lib/libstdc++.so.6
                                   4# nix::writeFull(int, std::basic_string_view<char, std::char_traits<char> >, bool) in /home/joerg/git/nix/inst/lib/libnixutil.so
                                   5# nix::writeLine(int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) in /home/joerg/git/nix/inst/lib/libnixutil.so
                                   6# nix::JSONLogger::write(nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::json_abi_v3_11_3::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> const&) in /home/joerg/git/nix/inst/lib/libnixutil.so
                                   7# nix::JSONLogger::logEI(nix::ErrorInfo const&) in /home/joerg/git/nix/inst/lib/libnixutil.so
                                   8# nix::Logger::logEI(nix::Verbosity, nix::ErrorInfo) in nix
                                   9# nix::handleExceptions(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::function<void ()>) in /home/joerg/git/nix/inst/lib/libnixmain.so
                                  10# 0x000000000087A563 in nix
                                  11# 0x00007FDA40BD41FE in /nix/store/6q2mknq81cyscjmkv72fpcsvan56qhmg-glibc-2.40-66/lib/libc.so.6
                                  12# __libc_start_main in /nix/store/6q2mknq81cyscjmkv72fpcsvan56qhmg-glibc-2.40-66/lib/libc.so.6
                                  13# 0x00000000006F4DF5 in nix

Co-authored-by: eldritch horrors <pennae@lix.systems>
(cherry picked from commit 163f94412a)
2025-03-21 15:31:03 +00:00
.github .github/ci: Use fixed names 2024-12-31 17:35:07 +01:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc/manual manual: Edit 2025-03-03 22:13:09 +00:00
maintainers {libutil,libexpr}: Move pos-idx,pos-table code to libutil 2025-03-14 13:22:52 +00:00
misc Install init system configs only when relevant 2024-12-03 16:51:01 +01:00
nix-meson-build-support Only enable big-obj on Windows 2025-02-01 21:36:50 +11:00
packaging packaging: Typo in setVersionLayer / preConfigure 2025-03-04 16:46:18 +00:00
scripts nix-profile.fish: set --local NIX_LINK 2025-02-04 16:01:29 -08:00
src port crash-handler from lix to nix 2025-03-21 15:31:03 +00:00
tests stack overflow is EvalBaseError 2025-03-21 14:13:40 +00:00
.clang-format Factor out lookupExecutable and other PATH improvments 2024-08-07 18:12:58 -04:00
.clang-tidy Add .clang-tidy 2024-02-01 01:01:39 +01:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig No global eval settings in libnixexpr 2024-06-24 12:15:16 -04:00
.gitignore Expand manual on derivation outputs 2025-03-03 22:13:08 +00:00
.mergify.yml Add mergify backport rule for 2.26 2025-01-22 14:13:24 +01:00
.shellcheckrc housekeeping: shellcheck for tests/functional/ca/build-cache.sh 2024-06-12 17:41:16 -04:00
.version Bump version 2025-01-22 13:37:05 +01:00
CITATION.cff chore: PhD thesis as reference in CITATION.cff 2024-05-18 20:05:22 +02:00
CONTRIBUTING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
default.nix Format .nix files 2025-01-24 17:04:02 +01:00
docker.nix Format .nix files 2025-01-24 17:04:02 +01:00
flake.lock Remove nixfmt override 2025-02-19 10:29:58 +01:00
flake.nix Mark official release 2025-02-27 17:03:27 +01:00
HACKING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
meson.build Add nix-flake-c, nix_flake_init_global, nix_flake_settings_new 2024-11-24 23:57:24 +01:00
meson.options Don't build the API docs in the devshell 2024-11-12 20:18:33 +01:00
precompiled-headers.h Build a minimized Nix with MinGW 2024-04-17 12:26:10 -04:00
README.md README: update CI badge 2024-08-22 23:16:14 +08:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

README.md

Nix

Open Collective supporters CI

Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.

Installation and first steps

Visit nix.dev for installation instructions and beginner tutorials.

Full reference documentation can be found in the Nix manual.

Building and developing

Follow instructions in the Nix reference manual to set up a development environment and build Nix from source.

Contributing

Check the contributing guide if you want to get involved with developing Nix.

Additional resources

Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis The Purely Functional Software Deployment Model, published 2006. Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it.

License

Nix is released under the LGPL v2.1.