$ git clone -n https://src.fedoraproject.org/rpms/plasma-wallpapers-dynamic.git /var/lib/mock/f41-build-810003-146381/root/chroot_tmpdir/scmroot/plasma-wallpapers-dynamic
Cloning into '/var/lib/mock/f41-build-810003-146381/root/chroot_tmpdir/scmroot/plasma-wallpapers-dynamic'...
$ git fetch origin 3b50766696585b6742b514afab4003eee07cc975:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-wallpapers-dynamic
 * [new ref]         3b50766696585b6742b514afab4003eee07cc975 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b50766 Rebuild (qt6)