$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ncursesw.git /var/lib/mock/f45-build-35110-693/root/chroot_tmpdir/scmroot/rubygem-ncursesw
Cloning into '/var/lib/mock/f45-build-35110-693/root/chroot_tmpdir/scmroot/rubygem-ncursesw'...
$ git fetch origin e99dd1daa6a509d7d3e69465ab8411bf238fb2ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ncursesw
 * [new ref]         e99dd1daa6a509d7d3e69465ab8411bf238fb2ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e99dd1d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild