$ git clone -n http://git.inferitos.ru/rpms/vulkan-headers.git /var/lib/mock/inferit-9_3-bootstrap-build-22465-37297/root/chroot_tmpdir/scmroot/vulkan-headers
Cloning into '/var/lib/mock/inferit-9_3-bootstrap-build-22465-37297/root/chroot_tmpdir/scmroot/vulkan-headers'...
$ git fetch origin changed/i9c-beta/vulkan-headers-1.3.250.1-1.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/vulkan-headers
 * [new tag]         changed/i9c-beta/vulkan-headers-1.3.250.1-1.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e58754 import vulkan-headers-1.3.250.1-1.el9