Backport a fix for a packagekit crasher / F29 Beta blocker (#1626851)

QA asked me to do a build with what's in stable (libdnf-0.17.0-2.fc29) +
the crasher fix, so I'm abusing git merge a bit to get bug fixes on top
of an older build.

0001-db-Don-t-crash-when-a-package-has-no-origin.patch

@@ -0,0 +1,38 @@
+From ccf8b4945ba6a7c888237ff0b439153b79740d80 Mon Sep 17 00:00:00 2001
+From: Kalev Lember <klember@redhat.com>
+Date: Wed, 12 Sep 2018 15:24:05 +0200
+Subject: [PATCH] db: Don't crash when a package has no origin
+
+This fixes a NULL pointer dereference in a debug print that was causing
+packagekitd crashes.
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1626851
+---
+ libdnf/dnf-db.cpp | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/libdnf/dnf-db.cpp b/libdnf/dnf-db.cpp
+index 5b28288f..894703d3 100644
+--- a/libdnf/dnf-db.cpp
++++ b/libdnf/dnf-db.cpp
+@@ -36,8 +36,6 @@
+ void
+ dnf_db_ensure_origin_pkg(DnfDb *db, DnfPackage *pkg)
+ {
+-    g_autoptr(GError) error = NULL;
+-
+     /* already set */
+     if (dnf_package_get_origin(pkg) != NULL)
+         return;
+@@ -47,7 +45,7 @@ dnf_db_ensure_origin_pkg(DnfDb *db, DnfPackage *pkg)
+     /* set from the database if available */
+     auto tmp = db->getRPMRepo(dnf_package_get_nevra(pkg));
+     if (tmp.empty()) {
+-        g_debug("no origin for %s: %s", dnf_package_get_package_id(pkg), error->message);
++        g_debug("no origin for %s", dnf_package_get_package_id(pkg));
+     } else {
+         dnf_package_set_origin(pkg, tmp.c_str());
+     }
+-- 
+2.19.0.rc0
+

libdnf.spec

@@ -24,7 +24,7 @@
 
 Name:           libdnf
 Version:        0.17.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Library providing simplified C and Python API to libsolv
 License:        LGPLv2+
 URL:            https://github.com/rpm-software-management/libdnf
@@ -35,6 +35,9 @@ Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 # https://github.com/rpm-software-management/libdnf/pull/546
 Patch0:         0001-transaction-Fix-crash-after-using-dnf.comps.CompsQue.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1626851
+Patch1:         0001-db-Don-t-crash-when-a-package-has-no-origin.patch
+
 BuildRequires:  cmake
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
@@ -219,6 +222,9 @@ popd
 %endif
 
 %changelog
+* Fri Aug 10 2018 Kalev Lember <klember@redhat.com> - 0.17.0-3
+- Backport a fix for a packagekit crasher / F29 Beta blocker (#1626851)
+
 * Fri Aug 10 2018 Adam Williamson <awilliam@redhat.com> - 0.17.0-2
 - Backport fix that prevented anaconda running dnf in a subprocess (#546)