Fix iso-scan support

Fixes QubesOS/qubes-issues#6792

0035-Resolve-filename-into-associated-loop-device.patch

@@ -0,0 +1,32 @@
+From ec08fd61f9805780e97a4ec6cc324cb50274e082 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
+ <[email protected]>
+Date: Sat, 31 Jul 2021 03:36:02 +0200
+Subject: [PATCH] Resolve filename into associated loop device
+
+This fixes checking if given (disk image) file is mounted somewhere,
+especially as /run/initramfs/repo.
+PackagePayload._device_is_mounted_as_source() depends on it.
+
+QubesOS/qubes-issues#6792
+---
+ pyanaconda/payload/utils.py | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/pyanaconda/payload/utils.py b/pyanaconda/payload/utils.py
+index e0c7d6cc5..42038e37c 100644
+--- a/pyanaconda/payload/utils.py
++++ b/pyanaconda/payload/utils.py
+@@ -52,6 +52,9 @@ def get_device_path(device_name):
+
+     device_tree = STORAGE.get_proxy(DEVICE_TREE)
+     device_data = DeviceData.from_structure(device_tree.GetDeviceData(device_name))
++    if device_data.type == 'file' and device_data.children:
++        # resolve file path to associated loop device, if any
++        device_data = DeviceData.from_structure(device_tree.GetDeviceData(device_data.children[0]))
+     return device_data.path
+
+
+-- 
+2.31.1
+

anaconda.spec.in

@@ -59,6 +59,7 @@ Patch30: 0031-Compute-template-RPMs-needed-spaces.patch
 Patch31: 0032-dnfpayload-make-available-repos-for-post-scripts.patch
 Patch32: 0033-Set-human-names-for-Qubes-thin-pools.patch
 Patch33: 0034-Fix-standard-partitioning-set-xfs-as-default-fs-ther.patch
+Patch34: 0035-Resolve-filename-into-associated-loop-device.patch
 
 # Versions of required components (done so we make sure the buildrequires
 # match the requires versions of things).