$ git clone -n https://src.fedoraproject.org/rpms/kde-wallpapers.git /var/lib/mock/f42-build-3350082-45010/root/chroot_tmpdir/scmroot/kde-wallpapers
Cloning into '/var/lib/mock/f42-build-3350082-45010/root/chroot_tmpdir/scmroot/kde-wallpapers'...
$ git fetch origin 703ad8973987d8fa87fcebfc54271544b843c9b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-wallpapers
 * [new ref]         703ad8973987d8fa87fcebfc54271544b843c9b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 703ad89 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild