$ git clone -n https://src.fedoraproject.org/rpms/perl-Role-Basic.git /var/lib/mock/f45-build-26004-614/root/chroot_tmpdir/scmroot/perl-Role-Basic
Cloning into '/var/lib/mock/f45-build-26004-614/root/chroot_tmpdir/scmroot/perl-Role-Basic'...
$ git fetch origin 83ba617813ebfaa82c7d9184d9d220725e57292d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Role-Basic
 * [new ref]         83ba617813ebfaa82c7d9184d9d220725e57292d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83ba617 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild