guestfs: generate fedora short prefixes

Signed-off-by: Daniel Gomez <[email protected]>

Author: dkruces

kconfigs/Kconfig.guestfs

@@ -78,6 +78,8 @@ choice
 config GUESTFS_FEDORA
 	bool "Fedora (or derived distro)"
 	output yaml
+	select HAVE_CUSTOM_DISTRO_HOST_PREFIX
+	select HAVE_DISTRO_PREFERS_CUSTOM_HOST_PREFIX
 	select HAVE_DISTRO_XFS_PREFERS_MANUAL if FSTESTS_XFS
 	select HAVE_DISTRO_BTRFS_PREFERS_MANUAL if FSTESTS_BTRFS
 	select HAVE_DISTRO_EXT4_PREFERS_MANUAL if FSTESTS_EXT4
@@ -222,6 +224,13 @@ config GUESTFS_DEBIAN_COPY_HOST_SOURCES
 
 endif # GUESTFS_DEBIAN
 
+config GUESTFS_FEDORA_BOX_SHORT
+        string
+        default "fedora41" if VIRT_BUILDER_OS_VERSION = "fedora-41"
+        default "fedora40" if VIRT_BUILDER_OS_VERSION = "fedora-40"
+        default "fedora39" if VIRT_BUILDER_OS_VERSION = "fedora-39"
+        default "fedora"
+
 config VIRT_BUILDER_OS_VERSION
        string "virt-builder os-version"
        default "fedora-39" if GUESTFS_FEDORA

kconfigs/Kconfig.kdevops

@@ -25,6 +25,7 @@ config HAVE_DISTRO_REQUIRES_CUSTOM_SSH_KEXALGORITHMS
 config CUSTOM_DISTRO_HOST_PREFIX
 	string
 	depends on HAVE_CUSTOM_DISTRO_HOST_PREFIX
+	default GUESTFS_FEDORA_BOX_SHORT if GUESTFS_FEDORA
 	default GUESTFS_DEBIAN_BOX_SHORT if GUESTFS_DEBIAN
 
 config CUSTOM_SSH_KEXALGORITHMS