test: run test program with --log, if Python

This makes it easier to debug failures when ./check fails. For
example, when build is run in CI.

1 files changed, 9 insertions, 2 deletions

diff --git a/check b/check
index 447011b..10c0303 100755
--- a/check
+++ b/check
@@ -26,8 +26,15 @@ fi
 
 
 codegen() {
-    $hideok cargo run $quiet --bin sp-codegen -- "$1" --output "$2" --run \
-          --templates "$(pwd)/templates"
+    $hideok cargo run $quiet --bin sp-codegen -- \
+	    "$1" --output "$2" --templates "$(pwd)/templates"
+    rm -f test.log
+    template="$(sed -n '/^template: /s///p' "$1" | tail -n1)"
+    case "$template" in
+	python) $hideok python3 "$2" --log test.log ;;
+	bash) $hideok bash "$2" ;;
+	*) echo "Don't know interpreter for $2" ; exit 1 ;;
+    esac
 }
 
 docgen() {