$ git clone -n https://src.fedoraproject.org/rpms/mono-basic.git /var/lib/mock/f40-build-746661-112820/root/chroot_tmpdir/scmroot/mono-basic
Cloning into '/var/lib/mock/f40-build-746661-112820/root/chroot_tmpdir/scmroot/mono-basic'...
$ git fetch origin 821d43ff556ca5644d5ac1dd608151b58abe0f18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mono-basic
 * [new ref]         821d43ff556ca5644d5ac1dd608151b58abe0f18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 821d43f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild