ensuring failing tests actually fail CI (#17)

* ensuring failing tests actually fail CI

* fix bug

REPL/Main.lean

@@ -211,10 +211,10 @@ open REPL
 /-- Get lines from stdin until a blank line is entered. -/
 partial def getLines : IO String := do
   let line ← (← IO.getStdin).getLine
-  return if line.trim.isEmpty then
-    line
+  if line.trim.isEmpty then
+    return line
   else
-    line ++ (← getLines)
+    return line ++ (← getLines)
 
 instance [ToJson α] [ToJson β] : ToJson (α ⊕ β) where
   toJson x := match x with

test.sh

@@ -27,12 +27,15 @@ for infile in $IN_DIR/*.in; do
     # Compare the output with the expected output
     if diff "$tmpfile" "$expectedfile"; then
         echo "$base: PASSED"
+        # Remove the temporary file
+        rm "$tmpfile"
     else
         echo "$base: FAILED"
+        # Remove the temporary file
+        rm "$tmpfile"
+        exit 1
     fi
 
-    # Remove the temporary file
-    rm "$tmpfile"
 done
 
 # Run the Mathlib tests

test/Mathlib/test.sh

@@ -28,11 +28,14 @@ for infile in $IN_DIR/*.in; do
     # Compare the output with the expected output
     if diff "$tmpfile" "$expectedfile"; then
         echo "$base: PASSED"
+        # Remove the temporary file
+        rm "$tmpfile"
     else
         echo "$base: FAILED"
+        # Remove the temporary file
+        rm "$tmpfile"
+        exit 1
     fi
 
-    # Remove the temporary file
-    rm "$tmpfile"
 done