Based on e0312f4db08c7100bd00299614e87bedc759b366 Mon Sep 17 00:00:00 2001
Based on c21b92ffe7ef939dd32502ac912cf8ad1c5638fd Mon Sep 17 00:00:00 2001
From: Michal Schmidt <mschmidt@redhat.com>
Date: Thu, 27 Nov 2014 15:23:58 +0100
Subject: [PATCH] core: fix transaction destructiveness check once more

The previous fix e0312f4db "core: fix check for transaction
destructiveness" broke test-engine (noticed by Zbyszek).
Apparently I had a wrong idea of the intended semantics of --fail.

The manpage says the operation should fail if it "conflicts with a
pending job (more specifically: causes an already pending start job to
be reversed into a stop job or vice versa)".

So let's check job_type_is_conflicting, instead of !is_superset.

This makes both test-engine and TEST-03-JOBS pass again.
---
 src/core/transaction.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- src/core/transaction.c
+++ src/core/transaction.c	2014-12-15 12:06:11.721518136 +0000
@@ -510,7 +510,7 @@ static int transaction_is_destructive(Tr
                 assert(!j->transaction_next);
 
                 if (j->unit->job && (mode == JOB_FAIL || j->unit->job->irreversible) &&
-                    !job_type_is_superset(j->type, j->unit->job->type)) {
+                    job_type_is_conflicting(j->unit->job->type, j->type)) {
 
                         sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE, "Transaction is destructive.");
                         return -EEXIST;
