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From a38c3d5d4e94c7e11db1ca22126bb11c6b029886 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sun, 15 Sep 2013 12:15:38 -0400
Subject: [PATCH] transaction.c: do not point users to logs when unit not found

The logs are unlikely to contain any useful information in this case.

Also, change "walked on cycle path" to "found dependency on", which
is less technical and indicates the direction. With the old message,
I was never sure if prior units depended on later ones, or vice versa.

https://bugzilla.redhat.com/show_bug.cgi?id=996133
https://bugzilla.redhat.com/show_bug.cgi?id=997082
---
 src/core/transaction.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/core/transaction.c b/src/core/transaction.c
index 27efef7..203070f 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -344,7 +344,7 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi
         assert(!j->transaction_prev);
 
         /* Does a recursive sweep through the ordering graph, looking
-         * for a cycle. If we find cycle we try to break it. */
+         * for a cycle. If we find a cycle we try to break it. */
 
         /* Have we seen this before? */
         if (j->generation == generation) {
@@ -371,7 +371,7 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi
 
                         /* logging for j not k here here to provide consistent narrative */
                         log_info_unit(j->unit->id,
-                                      "Walked on cycle path to %s/%s",
+                                      "Found dependency on %s/%s",
                                       k->unit->id, job_type_to_string(k->type));
 
                         if (!delete &&
@@ -860,7 +860,7 @@ int transaction_add_job_and_dependencies(
                 return -EINVAL;
         }
 
-        if (type != JOB_STOP && (unit->load_state == UNIT_ERROR || unit->load_state == UNIT_NOT_FOUND)) {
+        if (type != JOB_STOP && unit->load_state == UNIT_ERROR) {
                 dbus_set_error(e, BUS_ERROR_LOAD_FAILED,
                                "Unit %s failed to load: %s. "
                                "See system logs and 'systemctl status %s' for details.",
@@ -870,6 +870,14 @@ int transaction_add_job_and_dependencies(
                 return -EINVAL;
         }
 
+        if (type != JOB_STOP && unit->load_state == UNIT_NOT_FOUND) {
+                dbus_set_error(e, BUS_ERROR_LOAD_FAILED,
+                               "Unit %s failed to load: %s.",
+                               unit->id,
+                               strerror(-unit->load_error));
+                return -EINVAL;
+        }
+
         if (type != JOB_STOP && unit->load_state == UNIT_MASKED) {
                 dbus_set_error(e, BUS_ERROR_MASKED, "Unit %s is masked.", unit->id);
                 return -EADDRNOTAVAIL;