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fractal-latest: reduce build time from 2hr+ to 5 minutes

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This commit is contained in:
Colin 2023-09-29 18:21:59 +00:00
parent 56866c1ac1
commit f3423d45bd
1 changed files with 33 additions and 3 deletions
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36
pkgs/additional/fractal-latest/default.nix
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@ -1,5 +1,6 @@
{ fractal-next
, fetchFromGitLab
, git
, rustPlatform
, unstableGitUpdater
}:
@ -16,7 +17,7 @@ let
# hash = "sha256-LXrlTca50ALo+Nm55fwXNb4k3haLqHNnzLPc08VhA5s=";
# };
# });
self = fractal-next.overrideAttrs (prev: rec {
self = fractal-next.overrideAttrs (upstream: rec {
pname = "fractal-latest";
# XXX(2023/09/27): beyond this commit, dependencies are higher than what nixpkgs provides:
# - gtk4 >= 4.11.3
@ -30,8 +31,6 @@ let
hash = "sha256-z6uURqMG5pT8rXZCv5IzTjXxtt/f4KUeCDSgk90aWdo=";
};
passthru.updateScript = unstableGitUpdater {};
cargoDeps = rustPlatform.importCargoLock {
lockFile = ./Cargo.lock;
outputHashes = {
@ -47,6 +46,37 @@ let
"vodozemac-0.4.0" = "sha256-TCbWJ9bj/FV3ILWUTcksazel8ESTNTiDGL7kGlEGvow=";
};
};
nativeBuildInputs = (upstream.nativeBuildInputs or []) ++ [
git # only necessary when profile is development or hack
];
mesonFlags = (upstream.mesonFlags or []) ++ [
# profile: default, beta, development, hack.
# - default causes a 2hr+ build, 98% of that being `rustc fractal` using a single core
# - development has the same problem
# - hack brings the build down to ~5 minutes, possibly because it doesn't pass --release to cargo
# - it still has rustc using ~4 cores typical
# development and hack both require `git`
"-Dprofile=hack"
];
# codegen settings, see: <https://doc.rust-lang.org/rustc/codegen-options/index.html>
# trying to speed up compilation. see deep dive: <https://fasterthanli.me/articles/why-is-my-rust-build-so-slow>
# - `RUSTC_BOOTSTRAP=1` allows using nightly rustc options
# postPatch = (upstream.postPatch or "") + ''
# # sed -i "s/^codegen-units = .*$/codegen-units = $NIX_BUILD_CORES/" Cargo.toml
# sed -i 's/^codegen-units = .*$/codegen-units = 256/' Cargo.toml
# sed -i 's/^lto = .*$/lto = "off"/' Cargo.toml
# sed -i 's/debug = true/debug = false/' Cargo.toml
# sed -i "s/cargo_options,/cargo_options + [ '-j$NIX_BUILD_CORES', '--verbose', '--timings' ],/" src/meson.build
# '';
# preConfigure = (upstream.preConfigure or "") + ''
# export CARGO_BUILD_JOBS=$NIX_BUILD_CORES
# export RUSTFLAGS="-C codegen-units=256"
# '';
passthru.updateScript = unstableGitUpdater {};
});
in self // {
meta = self.meta // {