alois31
21fc0ddce5
Currently, a bunch of documentation is generated by embedding parts of it in
the nix executable, getting it out again by running it, and then postprocessing
the output. This is bad, since it creates a pointless dependency of the
documentation on the executable, and also makes documentation generation
impossible when cross-compiling.
Instead, both the code and the documentation should be generated from data, see
#292 . Here we start applying
this approach to the experimental and deprecated features, which are done in
one go since the technical implementation is very similar.
Of course, the actual benefits are not realised yet, since the offending
pattern is used in several more places. These will be fixed later.
Change-Id: I4c802052cc7e865c61119a34b8f1063c4decc9cb
629 lines
20 KiB
Nix
629 lines
20 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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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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callPackage,
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capnproto-lix ? __forDefaults.capnproto-lix,
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cmake,
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curl,
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doxygen,
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editline-lix ? __forDefaults.editline-lix,
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editline,
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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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lix-clang-tidy ? null,
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llvmPackages,
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lsof,
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# FIXME: remove default after dropping NixOS 24.05
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lowdown-unsandboxed ? lowdown,
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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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ncurses,
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openssl,
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pegtl,
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pkg-config,
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python3,
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rapidcheck,
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rustPlatform,
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rustc,
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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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pname ? "lix",
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versionSuffix ? "",
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officialRelease ? __forDefaults.versionJson.official_release,
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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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|
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# Support garbage collection in the evaluator.
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enableGC ? sanitize == null || !builtins.elem "address" sanitize,
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# List of Meson sanitize options. Accepts values of b_sanitize, e.g.
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# "address", "undefined", "thread".
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# Enabling the "address" sanitizer will disable garbage collection in the evaluator.
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sanitize ? null,
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# Turn compiler warnings into errors.
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werror ? false,
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lintInsteadOfBuild ? 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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versionJson = builtins.fromJSON (builtins.readFile ./version.json);
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boehmgc-nix = boehmgc.override { enableLargeConfig = true; };
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editline-lix = editline.overrideAttrs (prev: {
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patches = (prev.patches or [ ]) ++ [
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# Recognize `Alt-Left` and `Alt-Right` for navigating by words in more
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# terminals/shells/platforms.
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#
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# See: https://github.com/troglobit/editline/pull/70
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./nix-support/editline.patch
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];
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configureFlags = (prev.configureFlags or [ ]) ++ [
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# Enable SIGSTOP (Ctrl-Z) behavior.
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(lib.enableFeature true "sigstop")
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# Enable ANSI arrow keys.
|
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(lib.enableFeature true "arrow-keys")
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# Use termcap library to query terminal size.
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(lib.enableFeature true "termcap")
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];
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propagatedBuildInputs = (prev.propagatedBuildInputs or [ ]) ++ [ ncurses ];
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});
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build-release-notes = callPackage ./maintainers/build-release-notes.nix { };
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|
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# needs derivation patching to add debuginfo and coroutine library support
|
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# !! must build this with clang as it is affected by the gcc coroutine bugs
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capnproto-lix = callPackage ./misc/capnproto.nix { inherit stdenv; };
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},
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}:
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# gcc miscompiles coroutines at least until 13.2, possibly longer
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assert stdenv.cc.isClang;
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let
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inherit (__forDefaults) canRunInstalled;
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inherit (lib) fileset;
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inherit (stdenv) hostPlatform buildPlatform;
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version = __forDefaults.versionJson.version + versionSuffix;
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aws-sdk-cpp-nix =
|
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if aws-sdk-cpp == null then
|
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null
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else
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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 = 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 = lib.optional enableGC boehmgc-nix ++ [ nlohmann_json ];
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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.json ];
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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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./subprojects
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# Required for meson to generate Cargo wraps
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./Cargo.lock
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]);
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functionalTestFiles = fileset.unions [
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./tests/functional
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./tests/functional2
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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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assert (lintInsteadOfBuild -> lix-clang-tidy != null);
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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 || lintInsteadOfBuild) [
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./doc
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./misc
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./src
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./COPYING
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]
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++ lib.optionals lintInsteadOfBuild [ ./.clang-tidy ]
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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 = lintInsteadOfBuild;
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mesonFlags =
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let
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sanitizeOpts = lib.optional (
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sanitize != null
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) "-Db_sanitize=${builtins.concatStringsSep "," sanitize}";
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in
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lib.optionals hostPlatform.isLinux [
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# You'd think meson could just find this in PATH, but busybox is in buildInputs,
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# which don't actually get added to PATH. And buildInputs is correct over
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# nativeBuildInputs since this should be a busybox executable on the host.
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"-Dsandbox-shell=${lib.getExe' busybox-sandbox-shell "busybox"}"
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]
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++ lib.optional hostPlatform.isStatic "-Denable-embedded-sandbox-shell=true"
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++ lib.optional (finalAttrs.dontBuild && !lintInsteadOfBuild) "-Denable-build=false"
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++ lib.optional lintInsteadOfBuild "-Dlix-clang-tidy-checks-path=${lix-clang-tidy}/lib/liblix-clang-tidy.so"
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++ [
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# mesonConfigurePhase automatically passes -Dauto_features=enabled,
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# so we must explicitly enable or disable features that we are not passing
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# dependencies for.
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(lib.mesonEnable "gc" enableGC)
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(lib.mesonEnable "internal-api-docs" internalApiDocs)
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(lib.mesonBool "enable-tests" (finalAttrs.finalPackage.doCheck || lintInsteadOfBuild))
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(lib.mesonBool "enable-docs" canRunInstalled)
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(lib.mesonBool "werror" werror)
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]
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++ lib.optional (hostPlatform != buildPlatform) "--cross-file=${mesonCrossFile}"
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++ sanitizeOpts;
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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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# python3.withPackages does not splice properly, see https://github.com/NixOS/nixpkgs/issues/305858
|
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(python3.pythonOnBuildForHost.withPackages (p: [
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p.pytest
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p.pytest-xdist
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p.python-frontmatter
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]))
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meson
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ninja
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cmake
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rustc
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capnproto-lix
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]
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++ [
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(lib.getBin lowdown-unsandboxed)
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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 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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++ lib.optionals lintInsteadOfBuild [
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|
# required for a wrapped clang-tidy
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llvmPackages.clang-tools
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# load-bearing order (just as below); the actual stdenv wrapped clang
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|
# needs to precede the unwrapped clang in PATH such that calling `clang`
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# can compile things.
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stdenv.cc
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# required for run-clang-tidy
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llvmPackages.clang-unwrapped
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];
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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-lix
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|
openssl
|
|
sqlite
|
|
libarchive
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|
boost
|
|
lowdown
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|
libsodium
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|
toml11
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|
pegtl
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|
capnproto-lix
|
|
]
|
|
++ lib.optionals 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 hostPlatform.isx86_64 libcpuid
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|
# There have been issues building these dependencies
|
|
++ lib.optional (hostPlatform.canExecute buildPlatform) aws-sdk-cpp-nix
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|
++ lib.optionals (finalAttrs.dontBuild) maybePropagatedInputs
|
|
# I am so sorry. This is because checkInputs are required to pass
|
|
# configure, but we don't actually want to *run* the checks here.
|
|
++ lib.optionals lintInsteadOfBuild finalAttrs.checkInputs;
|
|
|
|
checkInputs = [
|
|
gtest
|
|
rapidcheck
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|
];
|
|
|
|
propagatedBuildInputs = lib.optionals (!finalAttrs.dontBuild) maybePropagatedInputs;
|
|
|
|
disallowedReferences = [ boost ];
|
|
|
|
# Needed for Meson to find Boost.
|
|
# https://github.com/NixOS/nixpkgs/issues/86131.
|
|
env = {
|
|
BOOST_INCLUDEDIR = "${lib.getDev boost}/include";
|
|
BOOST_LIBRARYDIR = "${lib.getLib boost}/lib";
|
|
|
|
# Meson allows referencing a /usr/share/cargo/registry shaped thing for subproject sources.
|
|
# Turns out the Nix-generated Cargo dependencies are named the same as they
|
|
# would be in a Cargo registry cache.
|
|
MESON_PACKAGE_CACHE_DIR = finalAttrs.cargoDeps;
|
|
};
|
|
|
|
cargoDeps = rustPlatform.importCargoLock { lockFile = ./Cargo.lock; };
|
|
|
|
preConfigure =
|
|
lib.optionalString (!finalAttrs.dontBuild && !hostPlatform.isStatic) ''
|
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# Copy libboost_context so we don't get all of Boost in our closure.
|
|
# https://github.com/NixOS/nixpkgs/issues/45462
|
|
mkdir -p $out/lib
|
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cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
|
|
rm -f $out/lib/*.a
|
|
''
|
|
+ lib.optionalString (!finalAttrs.dontBuild && hostPlatform.isLinux && !hostPlatform.isStatic) ''
|
|
chmod u+w $out/lib/*.so.*
|
|
patchelf --set-rpath $out/lib:${stdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
|
|
''
|
|
+ lib.optionalString (!finalAttrs.dontBuild && hostPlatform.isDarwin) ''
|
|
for LIB in $out/lib/*.dylib; do
|
|
chmod u+w $LIB
|
|
install_name_tool -id $LIB $LIB
|
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install_name_tool -delete_rpath ${boost}/lib/ $LIB || true
|
|
done
|
|
install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
|
|
''
|
|
+ ''
|
|
# Fix up /usr/bin/env shebangs relied on by the build
|
|
patchShebangs --build tests/ doc/manual/
|
|
'';
|
|
|
|
mesonBuildType = "debugoptimized";
|
|
|
|
installTargets = lib.optional internalApiDocs "internal-api-html";
|
|
|
|
enableParallelBuilding = true;
|
|
|
|
doCheck = canRunInstalled && !lintInsteadOfBuild;
|
|
|
|
mesonCheckFlags = [
|
|
"--suite=check"
|
|
"--print-errorlogs"
|
|
];
|
|
# the tests access localhost.
|
|
__darwinAllowLocalNetworking = true;
|
|
|
|
# Make sure the internal API docs are already built, because mesonInstallPhase
|
|
# won't let us build them there. They would normally be built in buildPhase,
|
|
# but the internal API docs are conventionally built with doBuild = false.
|
|
preInstall =
|
|
(lib.optionalString internalApiDocs ''
|
|
meson ''${mesonBuildFlags:-} compile "$installTargets"
|
|
'')
|
|
# evil, but like above, we do not want to run an actual build phase
|
|
+ lib.optionalString lintInsteadOfBuild ''
|
|
ninja clang-tidy
|
|
'';
|
|
|
|
installPhase = lib.optionalString lintInsteadOfBuild ''
|
|
runHook preInstall
|
|
touch $out
|
|
runHook postInstall
|
|
'';
|
|
|
|
postInstall =
|
|
lib.optionalString (!finalAttrs.dontBuild) ''
|
|
mkdir -p $doc/nix-support
|
|
echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
|
|
''
|
|
+ lib.optionalString hostPlatform.isStatic ''
|
|
mkdir -p $out/nix-support
|
|
echo "file binary-dist $out/bin/nix" >> $out/nix-support/hydra-build-products
|
|
''
|
|
+ lib.optionalString stdenv.isDarwin ''
|
|
for lib in liblixutil.dylib liblixexpr.dylib; do
|
|
install_name_tool \
|
|
-change "${lib.getLib boost}/lib/libboost_context.dylib" \
|
|
"$out/lib/libboost_context.dylib" \
|
|
"$out/lib/$lib"
|
|
done
|
|
''
|
|
+ lib.optionalString internalApiDocs ''
|
|
mkdir -p $out/nix-support
|
|
echo "doc internal-api-docs $out/share/doc/nix/internal-api/html" >> "$out/nix-support/hydra-build-products"
|
|
'';
|
|
|
|
doInstallCheck = finalAttrs.doCheck;
|
|
|
|
mesonInstallCheckFlags = [
|
|
"--suite=installcheck"
|
|
"--print-errorlogs"
|
|
];
|
|
|
|
installCheckPhase = ''
|
|
runHook preInstallCheck
|
|
flagsArray=($mesonInstallCheckFlags "''${mesonInstallCheckFlagsArray[@]}")
|
|
meson test --no-rebuild "''${flagsArray[@]}"
|
|
runHook postInstallCheck
|
|
'';
|
|
|
|
separateDebugInfo = !hostPlatform.isStatic && !finalAttrs.dontBuild;
|
|
|
|
strictDeps = true;
|
|
|
|
# strictoverflow is disabled because we trap on signed overflow instead
|
|
hardeningDisable = [ "strictoverflow" ] ++ lib.optional hostPlatform.isStatic "pie";
|
|
|
|
meta = {
|
|
mainProgram = "nix";
|
|
platforms = lib.platforms.unix;
|
|
};
|
|
|
|
# Export the patched version of boehmgc.
|
|
# flake.nix exports that into its overlay.
|
|
passthru = {
|
|
inherit (__forDefaults)
|
|
boehmgc-nix
|
|
editline-lix
|
|
build-release-notes
|
|
pegtl
|
|
capnproto-lix
|
|
;
|
|
|
|
# The collection of dependency logic for this derivation is complicated enough that
|
|
# it's easier to parameterize the devShell off an already called package.nix.
|
|
mkDevShell =
|
|
{
|
|
pkgsBuildHost,
|
|
|
|
mkShell,
|
|
|
|
bashInteractive,
|
|
clangbuildanalyzer,
|
|
doxygen,
|
|
glibcLocales,
|
|
just,
|
|
nixfmt-rfc-style,
|
|
skopeo,
|
|
xonsh,
|
|
|
|
# Lix specific packages
|
|
pre-commit-checks,
|
|
contribNotice,
|
|
check-syscalls,
|
|
|
|
# Rust development tools
|
|
rust-analyzer,
|
|
cargo,
|
|
rustc,
|
|
rustfmt,
|
|
rustPlatform,
|
|
|
|
# debuggers
|
|
gdb,
|
|
rr,
|
|
}:
|
|
let
|
|
glibcFix = lib.optionalAttrs (buildPlatform.isLinux && glibcLocales != null) {
|
|
# Required to make non-NixOS Linux not complain about missing locale files during configure in a dev shell
|
|
LOCALE_ARCHIVE = "${lib.getLib pkgsBuildHost.glibcLocales}/lib/locale/locale-archive";
|
|
};
|
|
|
|
pythonPackages = (
|
|
p: [
|
|
# FIXME: these have to be added twice due to the nix shell using a
|
|
# wrapped python instead of build inputs for its python inputs
|
|
p.pytest
|
|
p.pytest-xdist
|
|
|
|
p.yapf
|
|
p.python-frontmatter
|
|
p.requests
|
|
p.xdg-base-dirs
|
|
p.packaging
|
|
(p.toPythonModule pkgsBuildHost.xonsh.passthru.unwrapped)
|
|
]
|
|
);
|
|
pythonEnv = python3.pythonOnBuildForHost.withPackages pythonPackages;
|
|
|
|
# pkgs.mkShell uses pkgs.stdenv by default, regardless of inputsFrom.
|
|
actualMkShell = mkShell.override { inherit stdenv; };
|
|
in
|
|
actualMkShell (
|
|
glibcFix
|
|
// {
|
|
|
|
name = "lix-shell-env";
|
|
|
|
# finalPackage is necessary to propagate stuff that is set by mkDerivation itself,
|
|
# like doCheck.
|
|
inputsFrom = [ finalAttrs.finalPackage ];
|
|
|
|
# For Meson to find Boost.
|
|
env = finalAttrs.env;
|
|
|
|
mesonFlags =
|
|
# I guess this is necessary because mesonFlags to mkDerivation doesn't propagate in inputsFrom,
|
|
# which only propagates stuff set in hooks? idk.
|
|
finalAttrs.mesonFlags
|
|
# Clangd breaks when GCC is using precompiled headers, so for the devshell specifically
|
|
# we make precompiled C++ stdlib conditional on using Clang.
|
|
# https://git.lix.systems/lix-project/lix/issues/374
|
|
++ [ (lib.mesonBool "enable-pch-std" stdenv.cc.isClang) ];
|
|
|
|
packages =
|
|
lib.optional (stdenv.cc.isClang && hostPlatform == buildPlatform) llvmPackages.clang-tools
|
|
++ [
|
|
# Why are we providing a bashInteractive? Well, when you run
|
|
# `bash` from inside `nix develop`, say, because you are using it
|
|
# via direnv, you will by default get bash (unusable edition).
|
|
bashInteractive
|
|
check-syscalls
|
|
pythonEnv
|
|
# docker image tool
|
|
skopeo
|
|
just
|
|
nixfmt-rfc-style
|
|
# Included above when internalApiDocs is true, but we set that to
|
|
# false intentionally to save dev build time.
|
|
# To build them in a dev shell, you can set -Dinternal-api-docs=enabled when configuring.
|
|
doxygen
|
|
# Load-bearing order. Must come before clang-unwrapped below, but after clang_tools above.
|
|
stdenv.cc
|
|
]
|
|
++ [
|
|
rust-analyzer
|
|
cargo
|
|
rustc
|
|
rustfmt
|
|
rustPlatform.rustLibSrc
|
|
rustPlatform.rustcSrc
|
|
]
|
|
++ lib.optionals stdenv.cc.isClang [
|
|
# Required for clang-tidy checks.
|
|
llvmPackages.llvm
|
|
llvmPackages.clang-unwrapped.dev
|
|
]
|
|
++ lib.optional (pre-commit-checks ? enabledPackages) pre-commit-checks.enabledPackages
|
|
++ lib.optional (lib.meta.availableOn buildPlatform clangbuildanalyzer) clangbuildanalyzer
|
|
++ lib.optional (!stdenv.isDarwin) gdb
|
|
++ lib.optional (lib.meta.availableOn buildPlatform rr && hostPlatform == buildPlatform) rr
|
|
++ finalAttrs.checkInputs;
|
|
|
|
shellHook = ''
|
|
# don't re-run the hook in (other) nested nix-shells
|
|
function lixShellHook() {
|
|
# n.b. how the heck does this become -env-env? well, `nix develop` does it:
|
|
# https://git.lix.systems/lix-project/lix/src/commit/7575db522e9008685c4009423398f6900a16bcce/src/nix/develop.cc#L240-L241
|
|
# this is, of course, absurd.
|
|
if [[ $name != lix-shell-env && $name != lix-shell-env-env ]]; then
|
|
return
|
|
fi
|
|
|
|
PATH=$prefix/bin''${PATH:+:''${PATH}}
|
|
unset PYTHONPATH
|
|
export MANPATH=$out/share/man:''${MANPATH:-}
|
|
|
|
# Make bash completion work.
|
|
XDG_DATA_DIRS+=:$out/share
|
|
|
|
if [[ ! -f ./.this-is-lix ]]; then
|
|
echo "Dev shell not started from inside a Lix repo, skipping repo setup" >&2
|
|
return
|
|
fi
|
|
|
|
${lib.optionalString (pre-commit-checks ? shellHook) pre-commit-checks.shellHook}
|
|
# Allow `touch .nocontribmsg` to turn this notice off.
|
|
if ! [[ -f .nocontribmsg ]]; then
|
|
cat ${contribNotice}
|
|
fi
|
|
|
|
# Install the Gerrit commit-msg hook.
|
|
# (git common dir is the main .git, including for worktrees)
|
|
if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
|
|
echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
|
|
mkdir -p "$gitcommondir/hooks"
|
|
curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
|
|
chmod u+x "$gitcommondir/hooks/commit-msg"
|
|
fi
|
|
unset gitcommondir
|
|
}
|
|
|
|
lixShellHook
|
|
'';
|
|
}
|
|
);
|
|
|
|
perl-bindings = pkgs.callPackage ./perl { inherit fileset stdenv; };
|
|
|
|
binaryTarball = pkgs.callPackage ./nix-support/binary-tarball.nix {
|
|
nix = finalAttrs.finalPackage;
|
|
};
|
|
};
|
|
})
|