mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-09-20 20:20:26 +03:00
tests.haskell.incremental: init
This commit is contained in:
parent
c072d7867d
commit
b278ca2195
@ -6,4 +6,5 @@ lib.recurseIntoAttrs {
|
||||
documentationTarball = callPackage ./documentationTarball { };
|
||||
setBuildTarget = callPackage ./setBuildTarget { };
|
||||
writers = callPackage ./writers { };
|
||||
incremental = callPackage ./incremental { };
|
||||
}
|
||||
|
35
pkgs/test/haskell/incremental/default.nix
Normal file
35
pkgs/test/haskell/incremental/default.nix
Normal file
@ -0,0 +1,35 @@
|
||||
# Demonstration of incremental builds for Haskell. Useful for speeding up CI.
|
||||
#
|
||||
# See: https://www.haskellforall.com/2022/12/nixpkgs-support-for-incremental-haskell.html
|
||||
# See: https://felixspringer.xyz/homepage/blog/incrementalHaskellBuildsWithNix
|
||||
|
||||
{ haskell, lib }:
|
||||
|
||||
let
|
||||
inherit (haskell.lib.compose) overrideCabal;
|
||||
|
||||
# Incremental builds work with GHC >=9.4.
|
||||
turtle = haskell.packages.ghc944.turtle;
|
||||
|
||||
# This will do a full build of `turtle`, while writing the intermediate build products
|
||||
# (compiled modules, etc.) to the `intermediates` output.
|
||||
turtle-full-build-with-incremental-output = overrideCabal (drv: {
|
||||
doInstallIntermediates = true;
|
||||
enableSeparateIntermediatesOutput = true;
|
||||
}) turtle;
|
||||
|
||||
# This will do an incremental build of `turtle` by copying the previously
|
||||
# compiled modules and intermediate build products into the source tree
|
||||
# before running the build.
|
||||
#
|
||||
# GHC will then naturally pick up and reuse these products, making this build
|
||||
# complete much more quickly than the previous one.
|
||||
turtle-incremental-build = overrideCabal (drv: {
|
||||
previousIntermediates = turtle-full-build-with-incremental-output.intermediates;
|
||||
}) turtle;
|
||||
in
|
||||
turtle-incremental-build.overrideAttrs (old: {
|
||||
meta = {
|
||||
maintainers = lib.teams.mercury.members;
|
||||
};
|
||||
})
|
Loading…
Reference in New Issue
Block a user