From 7a6269ba7b37a31bdc4b7ec539d45adf860f5623 Mon Sep 17 00:00:00 2001 From: John Ericson Date: Fri, 5 Jul 2024 16:21:20 -0400 Subject: [PATCH] Package the Nix CLI with Meson Co-Authored-By: Qyriad --- meson.build | 3 + packaging/components.nix | 3 + packaging/hydra.nix | 1 + src/nix/.version | 1 + src/nix/build-remote | 1 + src/nix/build-utils-meson | 1 + src/nix/doc | 1 + src/nix/help-stores.md | 1 + src/nix/local.mk | 21 ++--- src/nix/main.cc | 2 +- src/nix/meson.build | 170 ++++++++++++++++++++++++++++++++++++ src/nix/nix-build | 1 + src/nix/nix-channel | 1 + src/nix/nix-collect-garbage | 1 + src/nix/nix-copy-closure | 1 + src/nix/nix-env | 1 + src/nix/nix-instantiate | 1 + src/nix/nix-store | 1 + src/nix/package.nix | 129 +++++++++++++++++++++++++++ src/nix/profile.md | 2 +- src/nix/profiles.md | 1 + 21 files changed, 326 insertions(+), 18 deletions(-) create mode 120000 src/nix/.version create mode 120000 src/nix/build-remote create mode 120000 src/nix/build-utils-meson create mode 120000 src/nix/doc create mode 120000 src/nix/help-stores.md create mode 100644 src/nix/meson.build create mode 120000 src/nix/nix-build create mode 120000 src/nix/nix-channel create mode 120000 src/nix/nix-collect-garbage create mode 120000 src/nix/nix-copy-closure create mode 120000 src/nix/nix-env create mode 120000 src/nix/nix-instantiate create mode 120000 src/nix/nix-store create mode 100644 src/nix/package.nix create mode 120000 src/nix/profiles.md diff --git a/meson.build b/meson.build index f09998ab6..e6bdc2eac 100644 --- a/meson.build +++ b/meson.build @@ -15,6 +15,9 @@ subproject('libflake') subproject('libmain') subproject('libcmd') +# Executables +subproject('nix') + # Docs subproject('internal-api-docs') subproject('external-api-docs') diff --git a/packaging/components.nix b/packaging/components.nix index f1cd3b9c6..0e369a055 100644 --- a/packaging/components.nix +++ b/packaging/components.nix @@ -32,6 +32,9 @@ in nix-cmd = callPackage ../src/libcmd/package.nix { }; + # Will replace `nix` once the old build system is gone. + nix-ng = callPackage ../src/nix/package.nix { }; + nix-internal-api-docs = callPackage ../src/internal-api-docs/package.nix { }; nix-external-api-docs = callPackage ../src/external-api-docs/package.nix { }; diff --git a/packaging/hydra.nix b/packaging/hydra.nix index 0bbbc31f7..4dfaf9bbf 100644 --- a/packaging/hydra.nix +++ b/packaging/hydra.nix @@ -53,6 +53,7 @@ let "nix-flake-tests" "nix-main" "nix-cmd" + "nix-ng" ]; in { diff --git a/src/nix/.version b/src/nix/.version new file mode 120000 index 000000000..b7badcd0c --- /dev/null +++ b/src/nix/.version @@ -0,0 +1 @@ +../../.version \ No newline at end of file diff --git a/src/nix/build-remote b/src/nix/build-remote new file mode 120000 index 000000000..2cea44d46 --- /dev/null +++ b/src/nix/build-remote @@ -0,0 +1 @@ +../build-remote \ No newline at end of file diff --git a/src/nix/build-utils-meson b/src/nix/build-utils-meson new file mode 120000 index 000000000..91937f183 --- /dev/null +++ b/src/nix/build-utils-meson @@ -0,0 +1 @@ +../../build-utils-meson/ \ No newline at end of file diff --git a/src/nix/doc b/src/nix/doc new file mode 120000 index 000000000..7e57b0f58 --- /dev/null +++ b/src/nix/doc @@ -0,0 +1 @@ +../../doc \ No newline at end of file diff --git a/src/nix/help-stores.md b/src/nix/help-stores.md new file mode 120000 index 000000000..5c5624f5e --- /dev/null +++ b/src/nix/help-stores.md @@ -0,0 +1 @@ +../../doc/manual/src/store/types/index.md.in \ No newline at end of file diff --git a/src/nix/local.mk b/src/nix/local.mk index 4b6117330..28b30b586 100644 --- a/src/nix/local.mk +++ b/src/nix/local.mk @@ -42,27 +42,16 @@ $(eval $(call install-symlink, $(bindir)/nix, $(libexecdir)/nix/build-remote)) src/nix-env/user-env.cc: src/nix-env/buildenv.nix.gen.hh -src/nix/develop.cc: src/nix/get-env.sh.gen.hh +$(d)/develop.cc: $(d)/get-env.sh.gen.hh src/nix-channel/nix-channel.cc: src/nix-channel/unpack-channel.nix.gen.hh -src/nix/main.cc: \ +$(d)/main.cc: \ doc/manual/generate-manpage.nix.gen.hh \ doc/manual/utils.nix.gen.hh doc/manual/generate-settings.nix.gen.hh \ doc/manual/generate-store-info.nix.gen.hh \ - src/nix/generated-doc/help-stores.md + $(d)/help-stores.md.gen.hh -src/nix/generated-doc/files/%.md: doc/manual/src/command-ref/files/%.md - @mkdir -p $$(dirname $@) - @cp $< $@ +$(d)/profile.cc: $(d)/profile.md -src/nix/profile.cc: src/nix/profile.md src/nix/generated-doc/files/profiles.md.gen.hh - -src/nix/generated-doc/help-stores.md: doc/manual/src/store/types/index.md.in - @mkdir -p $$(dirname $@) - @echo 'R"(' >> $@.tmp - @echo >> $@.tmp - @cat $^ >> $@.tmp - @echo >> $@.tmp - @echo ')"' >> $@.tmp - @mv $@.tmp $@ +$(d)/profile.md: $(d)/profiles.md.gen.hh diff --git a/src/nix/main.cc b/src/nix/main.cc index de6d89bd3..c90bb25a7 100644 --- a/src/nix/main.cc +++ b/src/nix/main.cc @@ -333,7 +333,7 @@ struct CmdHelpStores : Command std::string doc() override { return - #include "generated-doc/help-stores.md" + #include "help-stores.md.gen.hh" ; } diff --git a/src/nix/meson.build b/src/nix/meson.build new file mode 100644 index 000000000..dd21c4b1b --- /dev/null +++ b/src/nix/meson.build @@ -0,0 +1,170 @@ +project('nix', 'cpp', + version : files('.version'), + default_options : [ + 'cpp_std=c++2a', + # TODO(Qyriad): increase the warning level + 'warning_level=1', + 'debug=true', + 'optimization=2', + 'errorlogs=true', # Please print logs for tests that fail + ], + meson_version : '>= 1.1', + license : 'LGPL-2.1-or-later', +) + +cxx = meson.get_compiler('cpp') + +subdir('build-utils-meson/deps-lists') + +deps_private_maybe_subproject = [ + dependency('nix-util'), + dependency('nix-store'), + dependency('nix-expr'), + dependency('nix-fetchers'), + dependency('nix-main'), + dependency('nix-cmd'), +] +deps_public_maybe_subproject = [ +] +subdir('build-utils-meson/subprojects') + +subdir('build-utils-meson/export-all-symbols') + +add_project_arguments( + # TODO(Qyriad): Yes this is how the autoconf+Make system did it. + # It would be nice for our headers to be idempotent instead. + '-include', 'config-util.hh', + '-include', 'config-store.hh', + '-include', 'config-expr.hh', + #'-include', 'config-fetchers.hh', + '-include', 'config-main.hh', + '-include', 'config-cmd.hh', + language : 'cpp', +) + +subdir('build-utils-meson/diagnostics') +subdir('build-utils-meson/generate-header') + +nix_sources = files( + 'add-to-store.cc', + 'app.cc', + 'build.cc', + 'bundle.cc', + 'cat.cc', + 'config-check.cc', + 'config.cc', + 'copy.cc', + 'derivation-add.cc', + 'derivation-show.cc', + 'derivation.cc', + 'develop.cc', + 'diff-closures.cc', + 'dump-path.cc', + 'edit.cc', + 'env.cc', + 'eval.cc', + 'flake.cc', + 'fmt.cc', + 'hash.cc', + 'log.cc', + 'ls.cc', + 'main.cc', + 'make-content-addressed.cc', + 'nar.cc', + 'optimise-store.cc', + 'path-from-hash-part.cc', + 'path-info.cc', + 'prefetch.cc', + 'profile.cc', + 'realisation.cc', + 'registry.cc', + 'repl.cc', + 'run.cc', + 'search.cc', + 'sigs.cc', + 'store-copy-log.cc', + 'store-delete.cc', + 'store-gc.cc', + 'store-info.cc', + 'store-repair.cc', + 'store.cc', + 'unix/daemon.cc', + 'upgrade-nix.cc', + 'verify.cc', + 'why-depends.cc', +) + +nix_sources += [ + gen_header.process('doc/manual/generate-manpage.nix'), + gen_header.process('doc/manual/generate-settings.nix'), + gen_header.process('doc/manual/generate-store-info.nix'), + gen_header.process('doc/manual/utils.nix'), + gen_header.process('get-env.sh'), + gen_header.process('profiles.md'), + gen_header.process('help-stores.md'), +] + +if host_machine.system() != 'windows' + nix_sources += files( + 'unix/daemon.cc', + ) +endif + +# The rest of the subdirectories aren't separate components, +# just source files in another directory, so we process them here. + +build_remote_sources = files( + 'build-remote/build-remote.cc', +) +nix_build_sources = files( + 'nix-build/nix-build.cc', +) +nix_channel_sources = files( + 'nix-channel/nix-channel.cc', +) +unpack_channel_gen = gen_header.process('nix-channel/unpack-channel.nix') +nix_collect_garbage_sources = files( + 'nix-collect-garbage/nix-collect-garbage.cc', +) +nix_copy_closure_sources = files( + 'nix-copy-closure/nix-copy-closure.cc', +) +nix_env_buildenv_gen = gen_header.process('nix-env/buildenv.nix') +nix_env_sources = files( + 'nix-env/nix-env.cc', + 'nix-env/user-env.cc', +) +nix_instantiate_sources = files( + 'nix-instantiate/nix-instantiate.cc', +) +nix_store_sources = files( + 'nix-store/dotgraph.cc', + 'nix-store/graphml.cc', + 'nix-store/nix-store.cc', +) + +# Hurray for Meson list flattening! +sources = [ + nix_sources, + build_remote_sources, + nix_build_sources, + nix_channel_sources, + unpack_channel_gen, + nix_collect_garbage_sources, + nix_copy_closure_sources, + nix_env_buildenv_gen, + nix_env_sources, + nix_instantiate_sources, + nix_store_sources, +] + +include_dirs = [include_directories('.')] + +this_exe = executable( + meson.project_name(), + sources, + dependencies : deps_private_subproject + deps_private + deps_other, + include_directories : include_dirs, + link_args: linker_export_flags, + install : true, +) diff --git a/src/nix/nix-build b/src/nix/nix-build new file mode 120000 index 000000000..2954d8ac7 --- /dev/null +++ b/src/nix/nix-build @@ -0,0 +1 @@ +../nix-build \ No newline at end of file diff --git a/src/nix/nix-channel b/src/nix/nix-channel new file mode 120000 index 000000000..29b759473 --- /dev/null +++ b/src/nix/nix-channel @@ -0,0 +1 @@ +../nix-channel \ No newline at end of file diff --git a/src/nix/nix-collect-garbage b/src/nix/nix-collect-garbage new file mode 120000 index 000000000..b037fc1b0 --- /dev/null +++ b/src/nix/nix-collect-garbage @@ -0,0 +1 @@ +../nix-collect-garbage \ No newline at end of file diff --git a/src/nix/nix-copy-closure b/src/nix/nix-copy-closure new file mode 120000 index 000000000..9063c583a --- /dev/null +++ b/src/nix/nix-copy-closure @@ -0,0 +1 @@ +../nix-copy-closure \ No newline at end of file diff --git a/src/nix/nix-env b/src/nix/nix-env new file mode 120000 index 000000000..f2f19f580 --- /dev/null +++ b/src/nix/nix-env @@ -0,0 +1 @@ +../nix-env \ No newline at end of file diff --git a/src/nix/nix-instantiate b/src/nix/nix-instantiate new file mode 120000 index 000000000..2d7502ffa --- /dev/null +++ b/src/nix/nix-instantiate @@ -0,0 +1 @@ +../nix-instantiate \ No newline at end of file diff --git a/src/nix/nix-store b/src/nix/nix-store new file mode 120000 index 000000000..e6efcac42 --- /dev/null +++ b/src/nix/nix-store @@ -0,0 +1 @@ +../nix-store/ \ No newline at end of file diff --git a/src/nix/package.nix b/src/nix/package.nix new file mode 100644 index 000000000..fe83c6969 --- /dev/null +++ b/src/nix/package.nix @@ -0,0 +1,129 @@ +{ lib +, stdenv +, mkMesonDerivation +, releaseTools + +, meson +, ninja +, pkg-config + +, nix-store +, nix-expr +, nix-main +, nix-cmd + +, rapidcheck +, gtest +, runCommand + +# Configuration Options + +, version +}: + +let + inherit (lib) fileset; +in + +mkMesonDerivation (finalAttrs: { + pname = "nix"; + inherit version; + + workDir = ./.; + fileset = fileset.unions ([ + ../../build-utils-meson + ./build-utils-meson + ../../.version + ./.version + ./meson.build + # ./meson.options + + # Symbolic links to other dirs + ./build-remote + ./doc + ./nix-build + ./nix-channel + ./nix-collect-garbage + ./nix-copy-closure + ./nix-env + ./nix-instantiate + ./nix-store + + # Doc nix files for --help + ../../doc/manual/generate-manpage.nix + ../../doc/manual/utils.nix + ../../doc/manual/generate-settings.nix + ../../doc/manual/generate-store-info.nix + + # Other files to be included as string literals + ../nix-channel/unpack-channel.nix + ../nix-env/buildenv.nix + ./get-env.sh + ./help-stores.md + ../../doc/manual/src/store/types/index.md.in + ./profiles.md + ../../doc/manual/src/command-ref/files/profiles.md + + # Files + ] ++ lib.concatMap + (dir: [ + (fileset.fileFilter (file: file.hasExt "cc") dir) + (fileset.fileFilter (file: file.hasExt "hh") dir) + (fileset.fileFilter (file: file.hasExt "md") dir) + ]) + [ + ./. + ../build-remote + ../nix-build + ../nix-channel + ../nix-collect-garbage + ../nix-copy-closure + ../nix-env + ../nix-instantiate + ../nix-store + ] + ); + + outputs = [ "out" "dev" ]; + + nativeBuildInputs = [ + meson + ninja + pkg-config + ]; + + buildInputs = [ + nix-store + nix-expr + nix-main + nix-cmd + ]; + + preConfigure = + # "Inline" .version so it's not a symlink, and includes the suffix. + # Do the meson utils, without modification. + '' + chmod u+w ./.version + echo ${version} > ../../../.version + ''; + + mesonFlags = [ + ]; + + env = lib.optionalAttrs (stdenv.isLinux && !(stdenv.hostPlatform.isStatic && stdenv.system == "aarch64-linux")) { + LDFLAGS = "-fuse-ld=gold"; + }; + + enableParallelBuilding = true; + + separateDebugInfo = !stdenv.hostPlatform.isStatic; + + strictDeps = true; + + hardeningDisable = lib.optional stdenv.hostPlatform.isStatic "pie"; + + meta = { + platforms = lib.platforms.unix ++ lib.platforms.windows; + }; + +}) diff --git a/src/nix/profile.md b/src/nix/profile.md index 9b2f86f4a..83a0b5f29 100644 --- a/src/nix/profile.md +++ b/src/nix/profile.md @@ -11,7 +11,7 @@ them to be rolled back easily. )"" -#include "generated-doc/files/profiles.md.gen.hh" +#include "profiles.md.gen.hh" R""( diff --git a/src/nix/profiles.md b/src/nix/profiles.md new file mode 120000 index 000000000..c67a86194 --- /dev/null +++ b/src/nix/profiles.md @@ -0,0 +1 @@ +../../doc/manual/src/command-ref/files/profiles.md \ No newline at end of file