$ git clone -n https://src.fedoraproject.org/rpms/kde-wallpapers.git /var/lib/mock/f38-build-side-42-init-devel-714531-27288/root/chroot_tmpdir/scmroot/kde-wallpapers
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-714531-27288/root/chroot_tmpdir/scmroot/kde-wallpapers'...
$ git fetch origin 49227d21450872d04e92081c74dfa52aab4a5e9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-wallpapers
 * [new ref]         49227d21450872d04e92081c74dfa52aab4a5e9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49227d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild