$ git clone -n https://src.fedoraproject.org/rpms/OliveTin.git /var/lib/mock/f38-build-side-42-init-devel-1034200-29740/root/chroot_tmpdir/scmroot/OliveTin
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1034200-29740/root/chroot_tmpdir/scmroot/OliveTin'...
$ git fetch origin a41c6c2deb0d1d5291e49f0eae1f22d5349a4bcf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OliveTin
 * [new ref]         a41c6c2deb0d1d5291e49f0eae1f22d5349a4bcf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a41c6c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild