From d725ac794286e3464d80f5bce69da98ff4b2ebbf Mon Sep 17 00:00:00 2001 From: Isaac Shapira Date: Fri, 23 Apr 2021 13:55:38 -0600 Subject: Add haskell.lib.setBuiltTarget, and support non library compiling of a single target --- .../haskell-modules/generic-builder.nix | 7 +++++- pkgs/development/haskell-modules/lib.nix | 10 +++++++++ pkgs/test/haskell/default.nix | 1 + pkgs/test/haskell/setBuildTarget/Bar.hs | 4 ++++ pkgs/test/haskell/setBuildTarget/Foo.hs | 4 ++++ pkgs/test/haskell/setBuildTarget/Setup.hs | 2 ++ pkgs/test/haskell/setBuildTarget/default.nix | 26 ++++++++++++++++++++++ .../setBuildTarget/haskell-setBuildTarget.cabal | 16 +++++++++++++ 8 files changed, 69 insertions(+), 1 deletion(-) create mode 100644 pkgs/test/haskell/setBuildTarget/Bar.hs create mode 100644 pkgs/test/haskell/setBuildTarget/Foo.hs create mode 100644 pkgs/test/haskell/setBuildTarget/Setup.hs create mode 100644 pkgs/test/haskell/setBuildTarget/default.nix create mode 100644 pkgs/test/haskell/setBuildTarget/haskell-setBuildTarget.cabal diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix index faf80da0c7d..2f9127e30f3 100644 --- a/pkgs/development/haskell-modules/generic-builder.nix +++ b/pkgs/development/haskell-modules/generic-builder.nix @@ -464,7 +464,12 @@ stdenv.mkDerivation ({ installPhase = '' runHook preInstall - ${if !isLibrary then "${setupCommand} install" else '' + ${if !isLibrary && buildTarget == "" then "${setupCommand} install" + # ^^ if the project is not a library, and no build target is specified, we can just use "install". + else if !isLibrary then "${setupCommand} copy ${buildTarget}" + # ^^ if the project is not a library, and we have a build target, then use "copy" to install + # just the target specified; "install" will error here, since not all targets have been built. + else '' ${setupCommand} copy local packageConfDir="$out/lib/${ghc.name}/package.conf.d" local packageConfFile="$packageConfDir/${pname}-${version}.conf" diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix index 1537cd6466c..682953c3ce9 100644 --- a/pkgs/development/haskell-modules/lib.nix +++ b/pkgs/development/haskell-modules/lib.nix @@ -196,6 +196,16 @@ rec { appendPatch = drv: x: appendPatches drv [x]; appendPatches = drv: xs: overrideCabal drv (drv: { patches = (drv.patches or []) ++ xs; }); + /* Set a specific build target instead of compiling all targets in the package. + * For example, imagine we have a .cabal file with a library, and 2 executables "dev" and "server". + * We can build only "server" and not wait on the compilation of "dev" by useing setBuildTarget as follows: + * + * setBuildTarget (callCabal2nix "thePackageName" thePackageSrc {}) "server" + * + */ + setBuildTargets = drv: xs: overrideCabal drv (drv: { buildTarget = lib.concatStringsSep " " xs; }); + setBuildTarget = drv: x: setBuildTargets drv [x]; + doHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = true; }); dontHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = false; }); diff --git a/pkgs/test/haskell/default.nix b/pkgs/test/haskell/default.nix index 8171f929311..eb389f4051f 100644 --- a/pkgs/test/haskell/default.nix +++ b/pkgs/test/haskell/default.nix @@ -3,4 +3,5 @@ lib.recurseIntoAttrs { shellFor = callPackage ./shellFor { }; documentationTarball = callPackage ./documentationTarball { }; + setBuildTarget = callPackage ./setBuildTarget { }; } diff --git a/pkgs/test/haskell/setBuildTarget/Bar.hs b/pkgs/test/haskell/setBuildTarget/Bar.hs new file mode 100644 index 00000000000..010014082c7 --- /dev/null +++ b/pkgs/test/haskell/setBuildTarget/Bar.hs @@ -0,0 +1,4 @@ +module Main where + +main :: IO () +main = putStrLn "Hello, Bar!" diff --git a/pkgs/test/haskell/setBuildTarget/Foo.hs b/pkgs/test/haskell/setBuildTarget/Foo.hs new file mode 100644 index 00000000000..fec7bb11fe6 --- /dev/null +++ b/pkgs/test/haskell/setBuildTarget/Foo.hs @@ -0,0 +1,4 @@ +module Main where + +main :: IO () +main = putStrLn "Hello, Foo!" diff --git a/pkgs/test/haskell/setBuildTarget/Setup.hs b/pkgs/test/haskell/setBuildTarget/Setup.hs new file mode 100644 index 00000000000..9a994af677b --- /dev/null +++ b/pkgs/test/haskell/setBuildTarget/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/pkgs/test/haskell/setBuildTarget/default.nix b/pkgs/test/haskell/setBuildTarget/default.nix new file mode 100644 index 00000000000..161cecd9ec3 --- /dev/null +++ b/pkgs/test/haskell/setBuildTarget/default.nix @@ -0,0 +1,26 @@ +{ pkgs, haskellPackages }: with pkgs.haskell.lib; + + +let + drv = haskellPackages.callCabal2nix "haskell-setBuildTarget" ./. {}; + test = target: excluded: + + let only = setBuildTarget drv target; + in '' + if [[ ! -f "${only}/bin/${target}" ]]; then + echo "${target} was not built" + exit 1 + fi + + if [[ -f "${only}/bin/${excluded}" ]]; then + echo "${excluded} was built, when it should not have been" + exit 1 + fi + ''; + +in pkgs.runCommand "test haskell.lib.setBuildTarget" {} '' + ${test "foo" "bar"} + ${test "bar" "foo"} + touch "$out" +'' + diff --git a/pkgs/test/haskell/setBuildTarget/haskell-setBuildTarget.cabal b/pkgs/test/haskell/setBuildTarget/haskell-setBuildTarget.cabal new file mode 100644 index 00000000000..7395e139451 --- /dev/null +++ b/pkgs/test/haskell/setBuildTarget/haskell-setBuildTarget.cabal @@ -0,0 +1,16 @@ +cabal-version: >=1.10 +name: haskell-setBuildTarget +version: 0.1.0.0 +author: Isaac Shapira +maintainer: fresheyeball@protonmail.com +build-type: Simple + +executable foo + main-is: Foo.hs + build-depends: base + default-language: Haskell2010 + +executable bar + main-is: Bar.hs + build-depends: base + default-language: Haskell2010 -- cgit 1.4.1