Fix coverity issues

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>

0001-import-Don-t-call-unlink-NULL.patch

@@ -0,0 +1,53 @@
+From ab1b0bf0f3611b556627f42e5accb1063acd91cc Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
+Date: Mon, 20 May 2019 14:19:01 +0200
+Subject: [PATCH 1/3] import: Don't call unlink(NULL)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Although `man 3 unlink` doesn't mention what should be the unlink()
+behaviour when NULL is passed to it, both coverity and clang complains
+about that.
+
+Error: FORWARD_NULL (CWE-476):
+osinfo-db-tools-1.5.0/tools/osinfo-db-import.c:157: var_compare_op:
+Comparing "*source_file" to null implies that "*source_file" might be
+null.
+osinfo-db-tools-1.5.0/tools/osinfo-db-import.c:181: var_deref_model:
+Passing null pointer "*source_file" to "unlink", which dereferences it.
+ #  179|           g_error_free(err);
+ #  180|       if (ret != 0)
+ #  181|->         unlink(*source_file);
+ #  182|
+ #  183|       return ret;
+
+Error: CLANG_WARNING:
+osinfo-db-tools-1.5.0/tools/osinfo-db-import.c:181:9: warning: Null
+pointer passed as an argument to a 'nonnull' parameter
+ #        unlink(*source_file);
+ #        ^
+
+Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
+Reviewed-by: Cole Robinson <crobinso@redhat.com>
+(cherry picked from commit 07be7309d830419c27ec65c76905d1e23219f480)
+---
+ tools/osinfo-db-import.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/osinfo-db-import.c b/tools/osinfo-db-import.c
+index 920f71b..11e68ae 100644
+--- a/tools/osinfo-db-import.c
++++ b/tools/osinfo-db-import.c
+@@ -177,7 +177,7 @@ osinfo_db_import_download_file(GFile *file,
+         g_object_unref(out);
+     if (err != NULL)
+         g_error_free(err);
+-    if (ret != 0)
++    if (ret != 0 && *source_file != NULL)
+         unlink(*source_file);
+ 
+     return ret;
+-- 
+2.21.0
+

0002-export-Remove-unused-variable.patch

@@ -0,0 +1,62 @@
+From 125f04cb6d742fb13f691cfbff54437014a399bd Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
+Date: Mon, 20 May 2019 14:25:34 +0200
+Subject: [PATCH 2/3] export: Remove unused variable
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+err is declared, set to NULL, but never used in
+osinfo_db_export_create().
+
+Error: DEADCODE (CWE-561):
+osinfo-db-tools-1.5.0/tools/osinfo-db-export.c:410: assignment:
+Assigning: "err" = "NULL".
+osinfo-db-tools-1.5.0/tools/osinfo-db-export.c:448: null: At condition
+"err", the value of "err" must be "NULL".
+osinfo-db-tools-1.5.0/tools/osinfo-db-export.c:448: dead_error_condition:
+The condition "err" cannot be true.
+osinfo-db-tools-1.5.0/tools/osinfo-db-export.c:449: dead_error_line:
+Execution cannot reach this statement: "g_error_free(err);".
+osinfo-db-tools-1.5.0/tools/osinfo-db-export.c:449: effectively_constant:
+Local variable "err" is assigned only once, to a constant value, making
+it effectively constant throughout its scope. If this is not the intent,
+examine the logic to see if there is a missing assigment that would make
+"err" not remain constant.
+ #  447|       archive_write_free(arc);
+ #  448|       if (err)
+ #  449|->         g_error_free(err);
+ #  450|       return ret;
+ #  451|   }
+
+Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
+Reviewed-by: Cole Robinson <crobinso@redhat.com>
+(cherry picked from commit 2d747c637c78c000002f97880436d94cc08a6b5c)
+---
+ tools/osinfo-db-export.c | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/tools/osinfo-db-export.c b/tools/osinfo-db-export.c
+index 3137e1d..eef6688 100644
+--- a/tools/osinfo-db-export.c
++++ b/tools/osinfo-db-export.c
+@@ -407,7 +407,6 @@ static int osinfo_db_export_create(const gchar *prefix,
+     struct archive *arc;
+     int ret = -1;
+     int r;
+-    GError *err = NULL;
+ 
+     arc = archive_write_new();
+ 
+@@ -445,8 +444,6 @@ static int osinfo_db_export_create(const gchar *prefix,
+     ret = 0;
+  cleanup:
+     archive_write_free(arc);
+-    if (err)
+-        g_error_free(err);
+     return ret;
+ }
+ 
+-- 
+2.21.0
+

0003-validate-Don-t-leak-files.patch

@@ -0,0 +1,36 @@
+From f4f65ea3e895eaab87af049300d2d69ba3d51c9f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
+Date: Mon, 20 May 2019 14:28:22 +0200
+Subject: [PATCH 3/3] validate: Don't leak "files"
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Error: CLANG_WARNING:
+osinfo-db-tools-1.5.0/tools/osinfo-db-validate.c:319:9: warning:
+Potential leak of memory pointed to by 'files'
+ #        g_printerr("%s\n", error->message);
+ #        ^
+
+Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
+Reviewed-by: Cole Robinson <crobinso@redhat.com>
+(cherry picked from commit 7ac63b928df3f445ede81cac0ade0ed6d810c3cb)
+---
+ tools/osinfo-db-validate.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tools/osinfo-db-validate.c b/tools/osinfo-db-validate.c
+index 0e28e1c..7fd87d2 100644
+--- a/tools/osinfo-db-validate.c
++++ b/tools/osinfo-db-validate.c
+@@ -327,6 +327,7 @@ gint main(gint argc, gchar **argv)
+         g_object_unref(schema);
+     if (dir)
+         g_object_unref(dir);
++    g_free(files);
+     g_clear_error(&error);
+     g_option_context_free(context);
+ 
+-- 
+2.21.0
+

0004-import-Don-t-call-unlink-NULL-in-_import_extract.patch

@@ -0,0 +1,43 @@
+From 66cdd50832a99e175079bfb36a321fd9499c6f0e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
+Date: Wed, 22 May 2019 18:06:28 +0200
+Subject: [PATCH] import: Don't call unlink(NULL) in _import_extract()
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Similarly to the issue fixed by ae52b0fbc, here we're also potentially
+passing NULL to unlink().
+
+Error: FORWARD_NULL (CWE-476):
+osinfo-db-tools-1.5.0/tools/osinfo-db-import.c:332: var_compare_op: Comparing "source_file" to null implies that "source_file" might be null.
+osinfo-db-tools-1.5.0/tools/osinfo-db-import.c:374: var_deref_model: Passing null pointer "source_file" to "unlink", which dereferences it.
+ #  372|           g_object_unref(file);
+ #  373|       if (!file_is_native)
+ #  374|->         unlink(source_file);
+ #  375|       g_free(source_file);
+ #  376|       return ret;
+
+Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
+Reviewed-by: Cole Robinson <crobinso@redhat.com>
+(cherry picked from commit 69eb33ad4207c76c0738bfa00b40c97892bab0ad)
+---
+ tools/osinfo-db-import.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/osinfo-db-import.c b/tools/osinfo-db-import.c
+index 11e68ae..675961d 100644
+--- a/tools/osinfo-db-import.c
++++ b/tools/osinfo-db-import.c
+@@ -370,7 +370,7 @@ static int osinfo_db_import_extract(GFile *target,
+     archive_read_free(arc);
+     if (file)
+         g_object_unref(file);
+-    if (!file_is_native)
++    if (!file_is_native && source_file != NULL)
+         unlink(source_file);
+     g_free(source_file);
+     return ret;
+-- 
+2.21.0
+

osinfo-db-tools.spec

@@ -3,12 +3,20 @@
 Summary: Tools for managing the osinfo database
 Name: osinfo-db-tools
 Version: 1.5.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv2+
 Source: https://releases.pagure.io/libosinfo/%{name}-%{version}.tar.gz
 URL: http://libosinfo.org/
+
+### Patches ###
+Patch0001: 0001-import-Don-t-call-unlink-NULL.patch
+Patch0002: 0002-export-Remove-unused-variable.patch
+Patch0003: 0003-validate-Don-t-leak-files.patch
+Patch0004: 0004-import-Don-t-call-unlink-NULL-in-_import_extract.patch
+
 BuildRequires:  gcc
 BuildRequires: gettext-devel
+BuildRequires: git
 BuildRequires: glib2-devel
 BuildRequires: libxml2-devel >= 2.6.0
 BuildRequires: libxslt-devel >= 1.0.0
@@ -25,7 +33,7 @@ This package provides tools for managing the osinfo database of
 information about operating systems for use with virtualization
 
 %prep
-%setup -q
+%autosetup -S git
 
 %build
 %configure
@@ -56,6 +64,9 @@ fi
 %{_mandir}/man1/osinfo-db-validate.1*
 
 %changelog
+* Mon Jun 03 2019 Fabiano Fidêncio <fidencio@redhat.com> -1.5.0-2
+- Fix coverity issues
+
 * Thu May 09 2019 Fabiano Fidêncio <fidencio@redhat.com> - 1.5.0-1
 - Update to 1.5.0 release