versions: trim unused asset and hypervisor metadata

Drop uscan-only fields, duplicate qemu.tag, and unused image/initrd
URLs from versions.yaml, and teach gen_versions_txt to treat
qemu.version as either a branch or tag ref.

Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>

tools/packaging/scripts/gen_versions_txt.sh

@@ -41,10 +41,9 @@ gen_version_file() {
 	fi
 
 	qemu_vanilla_branch=$(get_from_kata_deps ".assets.hypervisor.qemu.version")
-	# Check if qemu.version can be used to get the version and hash, otherwise use qemu.tag
+	# Use version as a branch ref when it exists, otherwise treat it as a tag.
 	qemu_vanilla_ref="refs/heads/${qemu_vanilla_branch}"
 	if ! (git ls-remote --heads "https://github.com/qemu/qemu.git" | grep -q "refs/heads/${qemu_vanilla_branch}"); then
-		qemu_vanilla_branch=$(get_from_kata_deps ".assets.hypervisor.qemu.tag")
 		qemu_vanilla_ref="refs/tags/${qemu_vanilla_branch}^{}"
 	fi
 	qemu_vanilla_version=$(curl -s -L "https://raw.githubusercontent.com/qemu/qemu/${qemu_vanilla_branch}/VERSION")

versions.yaml

@@ -73,31 +73,17 @@ assets:
     cloud_hypervisor:
       description: "Cloud Hypervisor is an open source Virtual Machine Monitor"
       url: "https://github.com/cloud-hypervisor/cloud-hypervisor"
-      uscan-url: >-
-        https://github.com/cloud-hypervisor/cloud-hypervisor/tags.*/v?(\d\S+)\.tar\.gz
       version: "v51.1"
 
     firecracker:
       description: "Firecracker micro-VMM"
       url: "https://github.com/firecracker-microvm/firecracker"
-      uscan-url: >-
-        https://github.com/firecracker-microvm/firecracker/tags
-        .*/v?(\d\S+)\.tar\.gz
       version: "v1.12.1"
 
     qemu:
       description: "VMM that uses KVM"
       url: "https://github.com/qemu/qemu"
       version: "v11.0.1"
-      tag: "v11.0.1"
-      # Do not include any non-full release versions
-      # Break the line *without CR or space being appended*, to appease
-      # yamllint, and note the deliberate ' ' at the end of the expression.
-      uscan-opts: "opts=uversionmangle=s/(\\d)[_\\.\\-\\+]?\
-        ((RC|rc|pre|dev|beta|alpha)\\d*)$/$1~$2/ "
-      uscan-url: >-
-        https://github.com/qemu/qemu/tags
-        .*/v?(\d\S+)\.tar\.gz
 
     qemu-cca-experimental:
       description: "QEMU with experimental CCA support"
@@ -123,7 +109,6 @@ assets:
     description: |
       Root filesystem disk image used to boot the guest virtual
       machine.
-    url: "https://github.com/kata-containers/kata-containers/tools/osbuilder"
     architecture:
       aarch64:
         name: "ubuntu"
@@ -178,7 +163,6 @@ assets:
     description: |
       Root filesystem initrd used to boot the guest virtual
       machine.
-    url: "https://github.com/kata-containers/kata-containers/tools/osbuilder"
     architecture:
       aarch64:
         name: "ubuntu"
@@ -221,7 +205,6 @@ assets:
     url: "https://cdn.kernel.org/pub/linux/kernel/v6.x/"
     version: "v6.18.35"
     nvidia:
-      description: "Linux kernel optimised for virtual machines"
       url: "https://cdn.kernel.org/pub/linux/kernel/v6.x/"
       version: "v6.18.35"