feat(third_party/bazel): Check in rules_haskell from Tweag r/17

3 files changed, 45 insertions, 0 deletions

diff --git a/third_party/bazel/rules_haskell/tests/library-with-sysdeps/BUILD.bazel b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/BUILD.bazel
new file mode 100644
index 000000000000..0e34f688fd69
--- /dev/null
+++ b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/BUILD.bazel
@@ -0,0 +1,32 @@
+load(
+    "@io_tweag_rules_haskell//haskell:haskell.bzl",
+    "haskell_library",
+    "haskell_test",
+)
+
+package(default_testonly = 1)
+
+haskell_library(
+    name = "library-with-sysdeps",
+    srcs = ["Lib.hs"],
+    tags = ["requires_zlib"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//tests/hackage:base",
+        "@zlib",
+    ],
+)
+
+haskell_test(
+    name = "bin",
+    srcs = ["Main.hs"],
+    expected_covered_expressions_percentage = 100,
+    tags = [
+        "coverage-compatible",
+        "requires_zlib",
+    ],
+    deps = [
+        ":library-with-sysdeps",
+        "//tests/hackage:base",
+    ],
+)
diff --git a/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Lib.hs b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Lib.hs
new file mode 100644
index 000000000000..771dd7faf10f
--- /dev/null
+++ b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Lib.hs
@@ -0,0 +1,8 @@
+module Lib (crc) where
+
+import Foreign.Ptr
+import Foreign.C.Types
+
+foreign import ccall crc32 :: CLong -> Ptr () -> CInt -> IO ()
+
+crc = crc32 0 nullPtr 0
diff --git a/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Main.hs b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Main.hs
new file mode 100644
index 000000000000..b892de88c4a7
--- /dev/null
+++ b/third_party/bazel/rules_haskell/tests/library-with-sysdeps/Main.hs
@@ -0,0 +1,5 @@
+module Main where
+
+import Lib (crc)
+
+main = crc