$ git clone -n https://src.fedoraproject.org/rpms/gtk-sharp3.git /var/lib/mock/f38-build-side-42-init-devel-994043-29133/root/chroot_tmpdir/scmroot/gtk-sharp3
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-994043-29133/root/chroot_tmpdir/scmroot/gtk-sharp3'...
$ git fetch origin 47ddd3ebaaddcb1795285c23a881892f77895003:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-sharp3
 * [new ref]         47ddd3ebaaddcb1795285c23a881892f77895003 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47ddd3e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild