refs: print error message in debug output

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Han-Wen Nienhuys committed Dec 22, 2021 at 18:11 UTC a6db572af6bc792590716856d80e8b9c02a55bec
1 file changed +2 -1
refs/debug.c
+2 -1
index 791423c6a7..8a6bb157ee 100644 --- a/refs/debug.c +++ b/refs/debug.c @@ -47,7 +47,8 @@ static int debug_transaction_prepare(struct ref_store *refs, transaction->ref_store = drefs->refs; res = drefs->refs->be->transaction_prepare(drefs->refs, transaction, err); - trace_printf_key(&trace_refs, "transaction_prepare: %d\n", res); + trace_printf_key(&trace_refs, "transaction_prepare: %d \"%s\"\n", res, + err->buf); return res; }