Add stack builds to distro test

test/distrotest

@@ -16,10 +16,14 @@ and is still highly experimental.
 
 Make sure you're plugged in and have screen/tmux in place,
 then re-run with $0 --run to continue.
+
+Also note that 'dist' will be deleted.
 EOF
 exit 0
 }
 
+echo "Deleting 'dist'..."
+rm -rf dist
 
 log=$(mktemp) || die "Can't create temp file"
 date >> "$log" || die "Can't write to log"
@@ -63,7 +67,8 @@ opensuse:latest       zypper install -y cabal-install ghc
 ubuntu:18.04          apt-get update && apt-get install -y cabal-install
 ubuntu:17.10          apt-get update && apt-get install -y cabal-install
 
-# Misc
+# Misc Haskell including current and latest Stack build
+ubuntu:18.10          set -e; apt-get update && apt-get install -y curl && curl -sSL https://get.haskellstack.org/ | sh -s - -f && cd /mnt && exec test/stacktest
 haskell:latest        true
 
 # Known to currently fail

test/stacktest

@@ -0,0 +1,27 @@
+#!/bin/bash
+# This script builds ShellCheck through `stack` using
+# various resolvers. It's run via distrotest.
+
+resolvers=(
+  nightly-"$(date -d "3 days ago" +"%Y-%m-%d")"
+)
+
+die() { echo "$*" >&2; exit 1; }
+
+[ -e "ShellCheck.cabal" ] ||
+  die "ShellCheck.cabal not in current dir"
+[ -e "stack.yaml" ] ||
+  die "stack.yaml not in current dir"
+command -v stack ||
+  die "stack is missing"
+
+stack setup        || die "Failed to setup with default resolver"
+stack build --test || die "Failed to build/test with default resolver"
+
+for resolver in "${resolvers[@]}"
+do
+  stack --resolver="$resolver" setup        || die "Failed to setup $resolver"
+  stack --resolver="$resolver" build --test || die "Failed build/test with $resolver!"
+done
+
+echo "Success"