Early-catch large show output with -interactive-print

2 files changed, 14 insertions, 0 deletions

diff --git a/bwrap-files/workdir/Yahb2Defs.hs b/bwrap-files/workdir/Yahb2Defs.hs
new file mode 100644
index 0000000..c0dfbfd
--- /dev/null
+++ b/bwrap-files/workdir/Yahb2Defs.hs
@@ -0,0 +1,8 @@
+module Yahb2Defs where
+
+
+limitedPrint :: Show a => a -> IO ()
+limitedPrint x =
+  case splitAt 200 (show x) of
+    (s, "") -> putStrLn s
+    (s, _) -> putStrLn (take 197 s ++ "...")
diff --git a/bwrap-files/workdir/entry.sh b/bwrap-files/workdir/entry.sh
new file mode 100755
index 0000000..1a466da
--- /dev/null
+++ b/bwrap-files/workdir/entry.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+ghcup --offline run -- ghci Yahb2Defs.hs 2>&1