$ git clone -n https://src.fedoraproject.org/rpms/doctest.git /var/lib/mock/f42-build-3275491-41321/root/chroot_tmpdir/scmroot/doctest
Cloning into '/var/lib/mock/f42-build-3275491-41321/root/chroot_tmpdir/scmroot/doctest'...
$ git fetch origin 99137e78f519646a160f9bd2f35b2f5c1535c70e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/doctest
 * [new ref]         99137e78f519646a160f9bd2f35b2f5c1535c70e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99137e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild