Blame SOURCES/0192-v2v-Don-t-fail-if-one-of-the-input-disks-is-blank-RH.patch

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From c3f824a71eb165d45231bfb3561b3ac1b4e35c1e Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Tue, 16 Jun 2015 12:15:29 +0100
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Subject: [PATCH] v2v: Don't fail if one of the input disks is blank
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 (RHBZ#1232192).
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This also adds a regression test since it is probably easy to break
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this in future.
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Thanks: Junqin Zhou
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(cherry picked from commit 4c73d1d4f142c6f6211c963beea68773e11fd3ef)
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---
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 tests/regressions/Makefile.am     |  3 +++
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 tests/regressions/rhbz1232192.sh  | 56 +++++++++++++++++++++++++++++++++++++++
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 tests/regressions/rhbz1232192.xml | 26 ++++++++++++++++++
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 v2v/v2v.ml                        |  7 ++++-
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 4 files changed, 91 insertions(+), 1 deletion(-)
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 create mode 100755 tests/regressions/rhbz1232192.sh
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 create mode 100644 tests/regressions/rhbz1232192.xml
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diff --git a/tests/regressions/Makefile.am b/tests/regressions/Makefile.am
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index 72d26da..1cd50b4 100644
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--- a/tests/regressions/Makefile.am
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+++ b/tests/regressions/Makefile.am
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@@ -43,6 +43,8 @@ EXTRA_DIST = \
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 	rhbz1054761.sh \
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 	rhbz1091803.sh \
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 	rhbz1175196.sh \
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+	rhbz1232192.sh \
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+	rhbz1232192.xml \
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 	test-noexec-stack.pl
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 TESTS = \
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@@ -68,6 +70,7 @@ TESTS = \
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 	rhbz1055452 \
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 	rhbz1091803.sh \
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 	rhbz1175196.sh \
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+	rhbz1232192.sh \
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 	test-noexec-stack.pl
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 if HAVE_LIBVIRT
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diff --git a/tests/regressions/rhbz1232192.sh b/tests/regressions/rhbz1232192.sh
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new file mode 100755
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index 0000000..5b4b31e
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--- /dev/null
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+++ b/tests/regressions/rhbz1232192.sh
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@@ -0,0 +1,56 @@
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+#!/bin/bash -
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+# libguestfs
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+# Copyright (C) 2015 Red Hat Inc.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program; if not, write to the Free Software
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+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+
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+# Regression test for virt-v2v handling of blank disks:
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+# https://bugzilla.redhat.com/show_bug.cgi?id=1232192
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+
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+set -e
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+export LANG=C
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+
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+if [ -n "$SKIP_TEST_RHBZ1232192_SH" ]; then
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+    echo "$0: test skipped because environment variable is set"
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+    exit 77
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+fi
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+
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+if ! ../../v2v/virt-v2v --help >/dev/null 2>&1; then
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+    echo "$0: test skipped because virt-v2v was not built"
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+    exit 77
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+fi
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+
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+if [ "$(guestfish get-backend)" = "uml" ]; then
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+    echo "$0: test skipped because UML backend does not support network"
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+    exit 77
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+fi
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+
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+if [ ! -f ../guests/windows.img ] || [ ! -s ../guests/windows.img ]; then
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+    echo "$0: test skipped because tests/guests/windows.img was not built"
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+    exit 77
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+fi
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+
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+if [ ! -f ../guests/blank-disk.img ]; then
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+    echo "$0: test skipped because tests/guests/blank-disk.img was not built"
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+    exit 77
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+fi
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+
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+virt_tools_data_dir=${VIRT_TOOLS_DATA_DIR:-/usr/share/virt-tools}
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+if ! test -r $virt_tools_data_dir/rhsrvany.exe; then
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+    echo "$0: test skipped because rhsrvany.exe is not installed"
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+    exit 77
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+fi
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+
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+../../v2v/virt-v2v -i libvirtxml rhbz1232192.xml -o null --no-copy
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diff --git a/tests/regressions/rhbz1232192.xml b/tests/regressions/rhbz1232192.xml
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new file mode 100644
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index 0000000..c31ea24
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--- /dev/null
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+++ b/tests/regressions/rhbz1232192.xml
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@@ -0,0 +1,26 @@
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+<domain type='kvm'>
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+  <name>rhbz1232192</name>
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+  <memory>1048576</memory>
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+  <vcpu>2</vcpu>
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+  <os>
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+    <type>hvm</type>
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+    <boot dev='hd'/>
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+  </os>
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+  <features>
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+    <acpi/>
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+    <apic/>
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+    <pae/>
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+  </features>
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+  <devices>
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+    <disk type='file' device='disk'>
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+      <driver name='qemu' type='raw'/>
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+      <source file='../guests/windows.img'/>
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+      <target dev='hda' bus='ide'/>
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+    </disk>
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+    <disk type='file' device='disk'>
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+      <driver name='qemu' type='raw'/>
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+      <source file='../guests/blank-disk.img'/>
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+      <target dev='hdb' bus='ide'/>
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+    </disk>
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+  </devices>
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+</domain>
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diff --git a/v2v/v2v.ml b/v2v/v2v.ml
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index 859b92a..033d75b 100644
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--- a/v2v/v2v.ml
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+++ b/v2v/v2v.ml
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@@ -549,8 +549,13 @@ and inspect_source ~verbose g root_choice =
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     let rec uefi_ESP_guid = "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"
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     and is_uefi_ESP dev { G.part_num = partnum } =
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       g#part_get_gpt_type dev (Int32.to_int partnum) = uefi_ESP_guid
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+    and parttype_is_gpt dev =
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+      try g#part_get_parttype dev = "gpt"
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+      with G.Error msg ->
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+        if verbose then printf "%s (ignored)\n" msg;
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+        false
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     and is_uefi_bootable_device dev =
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-      g#part_get_parttype dev = "gpt" && (
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+      parttype_is_gpt dev && (
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         let partitions = Array.to_list (g#part_list dev) in
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         List.exists (is_uefi_ESP dev) partitions
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       )
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-- 
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1.8.3.1
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