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Surely if you have unreleased changes you want them on a page right?
`officialRelease` means "this is a *release version*", which is a
reasonable case to not want it, but we are not that here.
I understand wanting to be able to turn it off for deps reasons or
something, but other than that, uhh, seems better to just turn it on
always; it is basically free compute-wise to the point we run it on
pre-commit.
Part two of fixing lix#297.
Fixes: https://git.lix.systems/lix-project/lix/issues/297
Change-Id: I0f8dd1ae42458df371aef529c456e47a7ac04ae0
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Change-Id: I6f5fb54f70b02a467bbdee4c526f59da1193f7db
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This is broken and our resident nixbsd maintainers say it should
probably just be temporarily removed till we switch to 24.05 instead of
diagnosing it.
Originally introduced in: https://github.com/nixos/nix/pull/8887
Fixes: https://git.lix.systems/lix-project/lix/issues/277
Change-Id: I1e7db8859620024a7b37dbd0cc1c5ec139b9e5cb
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This includes the update to libseccomp 2.5.5[1], so we don't need to
override it on our own.
[1] https://nixpk.gs/pr-tracker.html?pr=306070
Change-Id: I1fa9c7fcc23e501d75f774745107c6bb086ced70
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Now instead of a derivation overridden from Lix, we use a mkShell
derivation parameterized on an already called package.nix. This also
lets callPackage take care of the buildPackages distinction for the
devShell.
Change-Id: I5ddfec40d83fa6136032da7606fe6d3d5014ef42
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Change-Id: I0e2df55efc1cd6ea0a3252b9f26676e84612fdb6
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We're not using it anymore. Any leftover bugs in the Meson buildsystem
are now just bugs.
Closes #249.
Change-Id: I0465a0c37ae819f94d40e7829f5bff046aa63d73
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ClangBuildAnalyzer doesn't build on i686-linux due to
`long long int`/`size_t` conversion errors, so let's just exclude it
from the devshell on that platform
Change-Id: If1077a7b3860db4381999c8e304f6d4b2bc96a05
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Closes #273
Change-Id: Id883d2cda06adbcae53b8c360ad015330f0af81b
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Change-Id: I62da3161327051005e3f48f83974140efef4417e
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It's a good hundred LOC, and wasn't coupled to the actual flake logic at
all.
Change-Id: Iebb4667b3197dbd8cb2b019014e99fa651848832
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It can be turned off by creating a file `.nocontribmsg` in the root
of the repo.
Change-Id: Iecc5c647c824a0416e527550226447780b94c08e
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With Linux kernel >=6.6 & glibc 2.39 a `fchmodat2(2)` is available that
isn't filtered away by the libseccomp sandbox.
Being able to use this to bypass that restriction has surprising results
for some builds such as lxc[1]:
> With kernel ≥6.6 and glibc 2.39, lxc's install phase uses fchmodat2,
> which slips through https://github.com/NixOS/nix/blob/9b88e5284608116b7db0dbd3d5dd7a33b90d52d7/src/libstore/build/local-derivation-goal.cc#L1650-L1663.
> The fixupPhase then uses fchmodat, which fails.
> With older kernel or glibc, setting the suid bit fails in the
> install phase, which is not treated as fatal, and then the
> fixup phase does not try to set it again.
Please note that there are still ways to bypass this sandbox[2] and this is
mostly a fix for the breaking builds.
This change works by creating a syscall filter for the `fchmodat2`
syscall (number 452 on most systems). The problem is that glibc 2.39
is needed to have the correct syscall number available via
`__NR_fchmodat2` / `__SNR_fchmodat2`, but this flake is still on
nixpkgs 23.11. To have this change everywhere and not dependent on the
glibc this package is built against, I added a header
"fchmodat2-compat.hh" that sets the syscall number based on the
architecture. On most platforms its 452 according to glibc with a few
exceptions:
$ rg --pcre2 'define __NR_fchmodat2 (?!452)'
sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
58:#define __NR_fchmodat2 1073742276
sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h
67:#define __NR_fchmodat2 6452
sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h
62:#define __NR_fchmodat2 5452
sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h
70:#define __NR_fchmodat2 4452
sysdeps/unix/sysv/linux/alpha/arch-syscall.h
59:#define __NR_fchmodat2 562
I added a small regression-test to the setuid integration-test that
attempts to set the suid bit on a file using the fchmodat2 syscall.
I confirmed that the test fails without the change in
local-derivation-goal.
Additionally, we require libseccomp 2.5.5 or greater now: as it turns
out, libseccomp maintains an internal syscall table and
validates each rule against it. This means that when using libseccomp
2.5.4 or older, one may pass `452` as syscall number against it, but
since it doesn't exist in the internal structure, `libseccomp` will refuse
to create a filter for that. This happens with nixpkgs-23.11, i.e. on
stable NixOS and when building Lix against the project's flake.
To work around that
* a backport of libseccomp 2.5.5 on upstream nixpkgs has been
scheduled[3].
* the package now uses libseccomp 2.5.5 on its own already. This is to
provide a quick fix since the correct fix for 23.11 is still a staging cycle
away.
We still need the compat header though since `SCMP_SYS(fchmodat2)`
internally transforms this into `__SNR_fchmodat2` which points to
`__NR_fchmodat2` from glibc 2.39, so it wouldn't build on glibc 2.38.
The updated syscall table from libseccomp 2.5.5 is NOT used for that
step, but used later, so we need both, our compat header and their
syscall table 🤷
Relevant PRs in CppNix:
* https://github.com/NixOS/nix/pull/10591
* https://github.com/NixOS/nix/pull/10501
[1] https://github.com/NixOS/nixpkgs/issues/300635#issuecomment-2031073804
[2] https://github.com/NixOS/nixpkgs/issues/300635#issuecomment-2030844251
[3] https://github.com/NixOS/nixpkgs/pull/306070
(cherry picked from commit ba6804518772e6afb403dd55478365d4b863c854)
Change-Id: I6921ab5a363188c6bff617750d00bb517276b7fe
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This commit makes Meson the default buildsystem for Lix.
The Make buildsystem is now deprecated and will be removed soon, but has
not yet, which will be done in a later commit when all seems good. The
mesonBuild jobs have been removed, and have not been replaced with
equivalent jobs to ensure the Make buildsystem still works.
The full, new commands in a development shell are:
$ meson setup ./build "--prefix=$out" $mesonFlags
(A simple `meson setup ./build` will also build, but will do a different
thing, not having the settings from package.nix applied.)
$ meson compile -C build
$ meson test -C build --suite=check
$ meson install -C build
$ meson test -C build --suite=installcheck
(Check and installcheck may both be done after install, allowing you to
omit the --suite argument entirely, but this is the order package.nix
runs them in.)
If tests fail and Meson helpfully has no output for why, use the
`--print-error-logs` option to `meson test`. Why this is not the default
I cannot explain.
If you change a setting in the buildsystem, most cases will
automatically regenerate the Meson configuration, but some cases, like
trying to build a specific target whose name is new to the buildsystem
(e.g. `meson compile -C build src/libmelt/libmelt.dylib`, when
`libmelt.dylib` did not exist as a target the last time the buildsystem
was generated), then you can reconfigure using new settings but
existing options, and only recompiling stuff affected by the changes:
$ meson setup --reconfigure build
Note that changes to the default values in `meson.options` or in the
`default_options :` argument to project() are NOT propagated with
`--reconfigure`.
If you want a totally clean build, you can use:
$ meson setup --wipe build
That will work regardless of if `./build` exists or not.
Specific, named targets may be addressed in
`meson build -C build <target>` with the "target ID" if there is one,
which is the first string argument passed to target functions that
have one, and unrelated to the variable name, e.g.:
libexpr_dylib = library('nixexpr', …)
can be addressed with:
$ meson compile -C build nixexpr
All targets may be addressed as their output, relative to the build
directory, e.g.:
$ meson compile -C build src/libexpr/libnixexpr.so
But Meson does not consider intermediate files like object files
targets. To build a specific object file, use Ninja directly and
specify the output file relative to the build directory:
$ ninja -C build src/libexpr/libnixexpr.so.p/nixexpr.cc.o
To inspect the canonical source of truth on what the state of the
buildsystem configuration is, use:
$ meson introspect
Have fun!
Change-Id: Ia3e7b1e6fae26daf3162e655b4ded611a5cd57ad
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This commit adds the capability for building the Doxygen internal API
docs in the Meson buildsystem, and also makes doing so the default for
the internal-api-docs hydra job. Aside from the /nix-support directory,
which differed only by the hash part of a store path, the outputs of
hydraJobs.internal-api-docs before and after this commit were
bit-for-bit identical on my machine.
Change-Id: I98f0017891c25b06866c15f7652fe74f706ec8e1
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Bit-for-bit identical, and this one is callPackage-able
Change-Id: Ic635687b0054e107271a9c24ae69101f5e0fba9e
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This is in our style guide, we can cheaply enforce it, let's do it.
```
$ pre-commit
check-case-conflicts.....................................................Passed
check-executables-have-shebangs..........................................Passed
check-headers............................................................Failed
- hook id: check-headers
- exit code: 1
Missing pattern @file in file src/libexpr/value.hh
We found some header files that don't conform to the style guide.
The Lix style guide requests that header files:
- Begin with `#pragma once` so they only get parsed once
- Contain a doxygen comment (`/**` or `///`) containing `@file`, for
example, `///@file`, which will make doxygen generate docs for them.
When adding that, consider also adding a `@brief` with a sentence
explaining what the header is for.
For more details: https://wiki.lix.systems/link/3#bkmrk-header-files
check-merge-conflicts....................................................Passed
check-shebang-scripts-are-executable.....................................Passed
check-symlinks.......................................(no files to check)Skipped
end-of-file-fixer........................................................Passed
mixed-line-endings.......................................................Passed
no-commit-to-branch......................................................Passed
release-notes........................................(no files to check)Skipped
treefmt..................................................................Passed
trim-trailing-whitespace.................................................Passed
```
Fixes: https://git.lix.systems/lix-project/lix/issues/233
Change-Id: I77150b9298c844ffedd0f85cc5250ae9208502e3
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This required making the build-release-notes script understand how to
check multiple directories.
Change-Id: I057f5f636155ab6c6fb5755da5217b7e72249ece
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The flake for pre-commit-checks is rather questionable. We ignored
it so it uses our own nixpkgs and doesn't reimport nixpkgs. This should
save a couple of seconds of eval time!
Change-Id: I4584982beb32e0122f791fa29f6a544bdbb9e201
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Change-Id: I61efeb666ff7481c05fcb247168290e86a250151
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Change-Id: I7f21695e3971cfd02b2cce0dd016ff6eb3389905
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package.nix previously needed this callPackage'd externally, which
didn't make a lot of sense to us since this is an internal dependency.
Thus we changed it to make it more self contained.
Change-Id: I4935bc0bc80e1a132bc9b1519e917791da95037c
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Some of this code existed for installer tests, and indeed its removal is
an indication that our daemon cross-compatibility tests were removed.
Although these are not like, super critical tests, we would like to
restore them.
See: https://git.lix.systems/lix-project/lix/issues/33
Change-Id: I75c733b25c00eca3a9676d498703bbfc1d6ec21b
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flake check)" into main
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The following command is now sufficient to build Lix from outside of the
flake:
nix-build -E 'let pkgs = import <nixpkgs> { }; in pkgs.callPackage
./package.nix { build-release-notes = false; nix-doc = pkgs.callPackage
./nix-doc/package.nix { }; }'
Change-Id: Ie6b14b446480ac07c7266d4fba20042b04cc35b9
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follow-up to 32eaa8a29[1] "flake: move release note checks to hydraJobs",
this commit fixes a load-bearing typo for`checks.rl-next` and
`checks.rl-next-dev`.
[1]: 32eaa8a2910793538deab31f85534faf7e722ef7
Change-Id: I9383ed21f7eccc337c0c2f65525418b735a94a1d
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In our view it really doesn't make sense to not have this in in
package.nix in some way. These patches aren't just for performance or
something -- Lix flat out doesn't build without these patches.
(Arguably that makes them a buildsystem responsibility as well, but that
can wait for when we're ready to start adding subproject fallback
dependency resolution to Meson.)
This is a step towards making `package.nix` more self-sufficient and
`callPackage`able without excessive external logic.
With this change the following command is enough to build Lix from out
of the flake:
nix-build -E 'let pkgs = import <nixpkgs> { }; in pkgs.callPackage
./package.nix { build-release-notes = false; inherit (pkgs.lib) fileset;
nix-doc = pkgs.callPackage ./nix-doc/package.nix { }; }'
Change-Id: Ia37fe8171f87d3293033de8be07d9bab12716f1d
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having them in checks only does not run them in CI, which can cause
broken release notes entries to pass.
fixes #228
Change-Id: If0ba7b1be0b6525fc884a27e941cbc84b5a160f9
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For a long time `nix repl` has supported displaying documentation set on
builtins, however, it has long been convention to use Markdown comments
on Nix functions themselves for documentation. This exposes that
information to `nix repl` users in a nice and formatted way.
NixOS/rfcs#145 doc-comments are primarily what this feature is intended
to consume, however, support for lambda documentation in the repl is
experimental. We do our best effort to support the RFC here.
These changes are based on [the nix-doc library](https://github.com/lf-/nix-doc) and
are licensed under the terms described in the relevant source files.
Change-Id: Ic6fe947d39a22540705d890737e336c4720b0a22
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Change-Id: I6bbc7d6da9accd7d2daffa9d780384df7226670e
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Meson fails to setup when cmake is not found.
Add cmake to the default devShell so meson build works.
Change-Id: I4d933efac9540c564f3171e43c23e7a645722ef7
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This lets us use different formatters for different filetypes.
Change-Id: Ib52383dd5097c8919a65e299aca2b5a55412223c
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The big ones here are `trim-trailing-whitespace` and `end-of-file-fixer`
(which makes sure that every file ends with exactly one newline
character).
Change-Id: Idca73b640883188f068f9903e013cf0d82aa1123
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Change-Id: Id6e4528392266c6f2444e030b67293abe297ed17
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I didn't enable this by default for clang due to making the build time
10% worse or so. Unfortunate, but tbh devs for whom 10% of build time is
not *that* bad should probably simply enable this.
Change-Id: I8d1e5b6f3f76c649a4e2f115f534f7f97cee46e6
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We keep changing dev stuff and we probably should keep the news up to
date?
Change-Id: I819da6a29f1c56c8ab8d758c159a9c96164cb04e
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Change-Id: I0e02567fe8f102a8a8f1558aa094eefacdac9393
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hacking changelog-d to support not just github but also forgejo and
gerrit is a lot more complicated than it's worth, even moreso since
the entire thing can just as well be done with ~60 lines of python.
this new script is also much cheaper to instantiate (being python),
so having it enabled in all shells is far less of a hassle.
we've also adjusted existing release notes that referenced a gerrit
cl to auto-link to the cl in question, making the diff a bit bigger
closes https://git.lix.systems/lix-project/lix/issues/176
Change-Id: I8ba7dd0070aad9ba4474401731215fcf5d9d2130
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parallel meson builds need too much ram. linearize them for now, and
hopefully we can remove the make build system and this hack soonish.
Change-Id: I42c092db8b0c63680e77da2263cdfe9e7f6575be
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This commit adds several meson.build, which successfully build and
install Lix executables, libraries, and headers. Meson does not yet
build docs, Perl bindings, or run tests, which will be added in
following commits. As such, this commit does not remove the existing
build system, or make it the default, and also as such, this commit has
several FIXMEs and TODOs as notes for what should be done before the
existing autoconf + make buildsystem can be removed and Meson made the
default. This commit does not modify any source files.
A Meson-enabled build is also added as a Hydra job, and to
`nix flake check`.
Change-Id: I667c8685b13b7bab91e281053f807a11616ae3d4
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Change-Id: Iacac97de0b3d5f2df52c7bc985148624a351f45d
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This brings in infrastructure for developing new custom clang-tidy lints
and refactors for Lix.
Change-Id: I3df5f5855712ab4f97d4e84d771e5e818f81f881
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pkgs.pkgsStatic.glibcLocales is null, so the string coercion was failing
for devShells against static stdenvs
Change-Id: Iee8e1042a852133ce0432627d72a85e97c17055e
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(cherry-picked from commit ba0087316acc2aba999cabe5e1a159da636b2569)
Change-Id: I5a50afb3b7b65516df798ee51b74f06727a91928
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