jade
c97e17144e
This breaks downstreams linking to us on purpose to make sure that if
someone is linking to Lix they're doing it on purpose and crucially not
mixing up Nix and Lix versions in compatibility code.
We still need to fix the internal includes to follow the same schema so
we can drop the single-level include system entirely. However, this
requires a little more effort.
This adds pkg-config for libfetchers and config.h.
Migration path:
expr.hh -> lix/libexpr/expr.hh
nix/config.h -> lix/config.h
To apply this migration automatically, remove all `<nix/>` from
includes, so: `#include <nix/expr.hh>` -> `#include <expr.hh>`. Then,
the correct paths will be resolved from the tangled mess, and the
clang-tidy automated fix will work.
Then run the following for out of tree projects:
```
lix_root=$HOME/lix
(cd $lix_root/clang-tidy && nix develop -c 'meson setup build && ninja -C build')
run-clang-tidy -checks='-*,lix-fixincludes' -load=$lix_root/clang-tidy/build/liblix-clang-tidy.so -p build/ -fix src
```
Related: lix-project/nix-eval-jobs#5
Fixes: #279
Change-Id: I7498e903afa6850a731ef8ce77a70da6b2b46966
459 lines
14 KiB
Nix
459 lines
14 KiB
Nix
{
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pkgs,
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lib,
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stdenv,
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aws-sdk-cpp,
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# If the patched version of Boehm isn't passed, then patch it based off of
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# pkgs.boehmgc. This allows `callPackage`ing this file without needing to
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# to implement behavior that this package flat out doesn't build without
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# anyway, but also allows easily overriding the patch logic.
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boehmgc-nix ? __forDefaults.boehmgc-nix,
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boehmgc,
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nlohmann_json,
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bison,
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build-release-notes ? __forDefaults.build-release-notes,
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boost,
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brotli,
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bzip2,
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cmake,
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curl,
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doxygen,
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editline,
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flex,
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git,
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gtest,
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jq,
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libarchive,
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libcpuid,
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libseccomp,
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libsodium,
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lsof,
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lowdown,
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mdbook,
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mdbook-linkcheck,
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mercurial,
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meson,
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ninja,
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openssl,
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pkg-config,
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python3,
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rapidcheck,
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sqlite,
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toml11,
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util-linuxMinimal ? utillinuxMinimal,
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utillinuxMinimal ? null,
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xz,
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busybox-sandbox-shell,
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# internal fork of nix-doc providing :doc in the repl
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lix-doc ? __forDefaults.lix-doc,
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pname ? "lix",
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versionSuffix ? "",
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officialRelease ? false,
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# Set to true to build the release notes for the next release.
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buildUnreleasedNotes ? true,
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internalApiDocs ? false,
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# Not a real argument, just the only way to approximate let-binding some
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# stuff for argument defaults.
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__forDefaults ? {
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canRunInstalled = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
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boehmgc-nix = (boehmgc.override { enableLargeConfig = true; }).overrideAttrs {
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patches = [
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# We do *not* include prev.patches (which doesn't exist in normal pkgs.boehmgc anyway)
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# because if the caller of this package passed a patched boehm as `boehmgc` instead of
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# `boehmgc-nix` then this will almost certainly have duplicate patches, which means
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# the patches won't apply and we'll get a build failure.
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./boehmgc-coroutine-sp-fallback.diff
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# https://github.com/ivmai/bdwgc/pull/586
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./boehmgc-traceable_allocator-public.diff
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];
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};
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lix-doc = pkgs.callPackage ./lix-doc/package.nix { };
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build-release-notes = pkgs.callPackage ./maintainers/build-release-notes.nix { };
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},
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}:
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let
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inherit (__forDefaults) canRunInstalled;
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inherit (lib) fileset;
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version = lib.fileContents ./.version + versionSuffix;
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aws-sdk-cpp-nix = aws-sdk-cpp.override {
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apis = [
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"s3"
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"transfer"
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];
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customMemoryManagement = false;
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};
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# Reimplementation of Nixpkgs' Meson cross file, with some additions to make
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# it actually work.
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mesonCrossFile =
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let
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cpuFamily =
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platform:
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with platform;
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if isAarch32 then
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"arm"
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else if isx86_32 then
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"x86"
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else
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platform.uname.processor;
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in
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builtins.toFile "lix-cross-file.conf" ''
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[properties]
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# Meson is convinced that if !buildPlatform.canExecute hostPlatform then we cannot
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# build anything at all, which is not at all correct. If we can't execute the host
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# platform, we'll just disable tests and doc gen.
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needs_exe_wrapper = false
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[binaries]
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# Meson refuses to consider any CMake binary during cross compilation if it's
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# not explicitly specified here, in the cross file.
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# https://github.com/mesonbuild/meson/blob/0ed78cf6fa6d87c0738f67ae43525e661b50a8a2/mesonbuild/cmake/executor.py#L72
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cmake = 'cmake'
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'';
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# The internal API docs need these for the build, but if we're not building
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# Nix itself, then these don't need to be propagated.
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maybePropagatedInputs = [
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boehmgc-nix
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nlohmann_json
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];
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# .gitignore has already been processed, so any changes in it are irrelevant
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# at this point. It is not represented verbatim for test purposes because
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# that would interfere with repo semantics.
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baseFiles = fileset.fileFilter (f: f.name != ".gitignore") ./.;
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configureFiles = fileset.unions [ ./.version ];
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topLevelBuildFiles = fileset.unions ([
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./meson.build
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./meson.options
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./meson
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./scripts/meson.build
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]);
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functionalTestFiles = fileset.unions [
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./tests/functional
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./tests/unit
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(fileset.fileFilter (f: lib.strings.hasPrefix "nix-profile" f.name) ./scripts)
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];
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in
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stdenv.mkDerivation (finalAttrs: {
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inherit pname version;
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src = fileset.toSource {
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root = ./.;
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fileset = fileset.intersection baseFiles (
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fileset.unions (
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[
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configureFiles
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topLevelBuildFiles
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functionalTestFiles
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]
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++ lib.optionals (!finalAttrs.dontBuild || internalApiDocs) [
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./boehmgc-coroutine-sp-fallback.diff
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./doc
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./misc
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./precompiled-headers.h
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./src
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./COPYING
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]
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)
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);
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};
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VERSION_SUFFIX = versionSuffix;
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outputs =
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[ "out" ]
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++ lib.optionals (!finalAttrs.dontBuild) [
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"dev"
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"doc"
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];
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dontBuild = false;
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mesonFlags =
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lib.optionals stdenv.hostPlatform.isLinux [
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# You'd think meson could just find this in PATH, but busybox is in buildInputs,
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# which don't actually get added to PATH. And buildInputs is correct over
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# nativeBuildInputs since this should be a busybox executable on the host.
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"-Dsandbox-shell=${lib.getExe' busybox-sandbox-shell "busybox"}"
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]
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++ lib.optional stdenv.hostPlatform.isStatic "-Denable-embedded-sandbox-shell=true"
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++ lib.optional (finalAttrs.dontBuild) "-Denable-build=false"
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++ [
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# mesonConfigurePhase automatically passes -Dauto_features=enabled,
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# so we must explicitly enable or disable features that we are not passing
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# dependencies for.
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(lib.mesonEnable "internal-api-docs" internalApiDocs)
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(lib.mesonBool "enable-tests" finalAttrs.doCheck)
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(lib.mesonBool "enable-docs" canRunInstalled)
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]
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++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "--cross-file=${mesonCrossFile}";
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# We only include CMake so that Meson can locate toml11, which only ships CMake dependency metadata.
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dontUseCmakeConfigure = true;
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nativeBuildInputs =
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[
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bison
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flex
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python3
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meson
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ninja
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cmake
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]
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++ [
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(lib.getBin lowdown)
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mdbook
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mdbook-linkcheck
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]
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++ [
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pkg-config
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# Tests
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git
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mercurial
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jq
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lsof
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]
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++ lib.optional stdenv.hostPlatform.isLinux util-linuxMinimal
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++ lib.optional (!officialRelease && buildUnreleasedNotes) build-release-notes
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++ lib.optional internalApiDocs doxygen;
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buildInputs =
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[
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curl
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bzip2
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xz
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brotli
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editline
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openssl
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sqlite
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libarchive
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boost
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lowdown
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libsodium
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toml11
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lix-doc
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]
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++ lib.optionals stdenv.hostPlatform.isLinux [
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libseccomp
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busybox-sandbox-shell
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]
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++ lib.optional internalApiDocs rapidcheck
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++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid
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# There have been issues building these dependencies
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++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) aws-sdk-cpp-nix
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++ lib.optionals (finalAttrs.dontBuild) maybePropagatedInputs;
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checkInputs = [
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gtest
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rapidcheck
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];
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propagatedBuildInputs = lib.optionals (!finalAttrs.dontBuild) maybePropagatedInputs;
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disallowedReferences = [ boost ];
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# Needed for Meson to find Boost.
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# https://github.com/NixOS/nixpkgs/issues/86131.
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env = {
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BOOST_INCLUDEDIR = "${lib.getDev boost}/include";
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BOOST_LIBRARYDIR = "${lib.getLib boost}/lib";
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};
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preConfigure =
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lib.optionalString (!finalAttrs.dontBuild && !stdenv.hostPlatform.isStatic) ''
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# Copy libboost_context so we don't get all of Boost in our closure.
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# https://github.com/NixOS/nixpkgs/issues/45462
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mkdir -p $out/lib
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cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
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rm -f $out/lib/*.a
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''
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+ lib.optionalString (!finalAttrs.dontBuild && stdenv.hostPlatform.isLinux) ''
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chmod u+w $out/lib/*.so.*
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patchelf --set-rpath $out/lib:${stdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
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''
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+ lib.optionalString (!finalAttrs.dontBuild && stdenv.hostPlatform.isDarwin) ''
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for LIB in $out/lib/*.dylib; do
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chmod u+w $LIB
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install_name_tool -id $LIB $LIB
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install_name_tool -delete_rpath ${boost}/lib/ $LIB || true
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done
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install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
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''
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+ ''
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# Workaround https://github.com/NixOS/nixpkgs/issues/294890.
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if [[ -n "''${doCheck:-}" ]]; then
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appendToVar configureFlags "--enable-tests"
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else
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appendToVar configureFlags "--disable-tests"
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fi
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'';
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mesonBuildType = "debugoptimized";
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installTargets = lib.optional internalApiDocs "internal-api-html";
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enableParallelBuilding = true;
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doCheck = canRunInstalled;
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mesonCheckFlags = [
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"--suite=check"
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"--print-errorlogs"
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];
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# the tests access localhost.
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__darwinAllowLocalNetworking = true;
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# Make sure the internal API docs are already built, because mesonInstallPhase
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# won't let us build them there. They would normally be built in buildPhase,
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# but the internal API docs are conventionally built with doBuild = false.
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preInstall = lib.optional internalApiDocs ''
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meson ''${mesonBuildFlags:-} compile "$installTargets"
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'';
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postInstall =
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lib.optionalString (!finalAttrs.dontBuild) ''
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mkdir -p $doc/nix-support
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echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
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''
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+ lib.optionalString stdenv.hostPlatform.isStatic ''
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mkdir -p $out/nix-support
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echo "file binary-dist $out/bin/nix" >> $out/nix-support/hydra-build-products
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''
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+ lib.optionalString stdenv.isDarwin ''
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for lib in liblixutil.dylib liblixexpr.dylib; do
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install_name_tool \
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-change "${lib.getLib boost}/lib/libboost_context.dylib" \
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"$out/lib/libboost_context.dylib" \
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"$out/lib/$lib"
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done
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''
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+ lib.optionalString internalApiDocs ''
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mkdir -p $out/nix-support
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echo "doc internal-api-docs $out/share/doc/nix/internal-api/html" >> "$out/nix-support/hydra-build-products"
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'';
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doInstallCheck = finalAttrs.doCheck;
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mesonInstallCheckFlags = [
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"--suite=installcheck"
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"--print-errorlogs"
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];
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installCheckPhase = ''
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runHook preInstallCheck
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flagsArray=($mesonInstallCheckFlags "''${mesonInstallCheckFlagsArray[@]}")
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meson test --no-rebuild "''${flagsArray[@]}"
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runHook postInstallCheck
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'';
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separateDebugInfo = !stdenv.hostPlatform.isStatic && !finalAttrs.dontBuild;
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strictDeps = true;
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# strictoverflow is disabled because we trap on signed overflow instead
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hardeningDisable = [ "strictoverflow" ] ++ lib.optional stdenv.hostPlatform.isStatic "pie";
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meta.platforms = lib.platforms.unix;
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passthru.perl-bindings = pkgs.callPackage ./perl { inherit fileset stdenv; };
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# Export the patched version of boehmgc.
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# flake.nix exports that into its overlay.
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passthru = {
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inherit (__forDefaults) boehmgc-nix build-release-notes;
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# The collection of dependency logic for this derivation is complicated enough that
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# it's easier to parameterize the devShell off an already called package.nix.
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mkDevShell =
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{
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mkShell,
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just,
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nixfmt,
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glibcLocales,
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pre-commit-checks,
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clang-tools,
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llvmPackages,
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clangbuildanalyzer,
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contribNotice,
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}:
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let
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glibcFix = lib.optionalAttrs (stdenv.buildPlatform.isLinux && glibcLocales != null) {
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# Required to make non-NixOS Linux not complain about missing locale files during configure in a dev shell
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LOCALE_ARCHIVE = "${lib.getLib pkgs.glibcLocales}/lib/locale/locale-archive";
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};
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# for some reason that seems accidental and was changed in
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# NixOS 24.05-pre, clang-tools is pinned to LLVM 14 when
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# default LLVM is newer.
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clang-tools_llvm = clang-tools.override { inherit llvmPackages; };
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# pkgs.mkShell uses pkgs.stdenv by default, regardless of inputsFrom.
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actualMkShell = mkShell.override { inherit stdenv; };
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in
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actualMkShell (
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glibcFix
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// {
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inputsFrom = [ finalAttrs ];
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# For Meson to find Boost.
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env = finalAttrs.env;
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packages =
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lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) clang-tools_llvm
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++ [
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just
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nixfmt
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# Load-bearing order. Must come before clang-unwrapped below, but after clang_tools above.
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stdenv.cc
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]
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++ lib.optionals stdenv.cc.isClang [
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# Required for clang-tidy checks.
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llvmPackages.llvm
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llvmPackages.clang-unwrapped.dev
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]
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++ lib.optional (pre-commit-checks ? enabledPackages) pre-commit-checks.enabledPackages
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++ lib.optional (lib.meta.availableOn stdenv.buildPlatform clangbuildanalyzer) clangbuildanalyzer
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++ finalAttrs.checkInputs;
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shellHook = ''
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PATH=$prefix/bin:$PATH
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unset PYTHONPATH
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export MANPATH=$out/share/man:$MANPATH
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|
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# Make bash completion work.
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XDG_DATA_DIRS+=:$out/share
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${lib.optionalString (pre-commit-checks ? shellHook) pre-commit-checks.shellHook}
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# Allow `touch .nocontribmsg` to turn this notice off.
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if ! [[ -f .nocontribmsg ]]; then
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cat ${contribNotice}
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fi
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# Install the Gerrit commit-msg hook.
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|
# (git common dir is the main .git, including for worktrees)
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|
if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
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echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
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mkdir -p "$gitcommondir/hooks"
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curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
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chmod u+x "$gitcommondir/hooks/commit-msg"
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fi
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unset gitcommondir
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'';
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}
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);
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};
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})
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