Failing test case for #3431

Author: snoyberg

test/integration/tests/3431-precompiled-works/Main.hs

@@ -0,0 +1,9 @@
+import StackTest
+import Control.Monad
+import Data.List
+
+main :: IO ()
+main = do
+    stack ["build", "stm", "--stack-yaml", "custom1/stack.yaml"]
+    stackCheckStderr ["build", "stm", "--stack-yaml", "custom2/stack.yaml"] $ \out ->
+      unless ("precompiled" `isInfixOf` out) $ error "Didn't use precompiled!"

test/integration/tests/3431-precompiled-works/files/custom1/custom1.yaml

@@ -0,0 +1,5 @@
+resolver: ghc-8.2.1
+name: custom1
+packages:
+- stm-2.4.4.1
+- acme-missiles-0.3

test/integration/tests/3431-precompiled-works/files/custom1/stack.yaml

@@ -0,0 +1,2 @@
+resolver: custom1.yaml
+packages: []

test/integration/tests/3431-precompiled-works/files/custom2/custom2.yaml

@@ -0,0 +1,5 @@
+resolver: ghc-8.2.1
+name: custom2
+packages:
+- stm-2.4.4.1
+- acme-missiles-0.2

test/integration/tests/3431-precompiled-works/files/custom2/stack.yaml

@@ -0,0 +1,2 @@
+resolver: custom2.yaml
+packages: []