Merge remote-tracking branch 'upstream/master' into structured-attrsorigin/structured-attrs

5 files changed, 64 insertions, 0 deletions

diff --git a/pkgs/test/haskell/setBuildTarget/Bar.hs b/pkgs/test/haskell/setBuildTarget/Bar.hs
new file mode 100644
index 000000000000..010014082c7d
--- /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 000000000000..fec7bb11fe6c
--- /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 000000000000..9a994af677b0
--- /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 000000000000..b1335e2a74cf
--- /dev/null
+++ b/pkgs/test/haskell/setBuildTarget/default.nix
@@ -0,0 +1,38 @@
+{ pkgs, haskellPackages }:
+
+let
+  # This can be regenerated by running `cabal2nix .` in the current directory.
+  pkgDef =
+    { mkDerivation, base, lib }:
+      mkDerivation {
+        pname = "haskell-setBuildTarget";
+        version = "0.1.0.0";
+        src = ./.;
+        isLibrary = false;
+        isExecutable = true;
+        executableHaskellDepends = [ base ];
+        license = lib.licenses.bsd3;
+      };
+
+  drv = haskellPackages.callPackage pkgDef {};
+
+  test  = target: excluded:
+    let only = pkgs.haskell.lib.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 000000000000..7395e139451c
--- /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