$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Starter-PBP.git /var/lib/mock/f45-build-24902-607/root/chroot_tmpdir/scmroot/perl-Module-Starter-PBP
Cloning into '/var/lib/mock/f45-build-24902-607/root/chroot_tmpdir/scmroot/perl-Module-Starter-PBP'...
$ git fetch origin dbe8c902e8a0602b494912250782a2e68fe25eb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Starter-PBP
 * [new ref]         dbe8c902e8a0602b494912250782a2e68fe25eb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbe8c90 0.003 bump (rhbz#2510964)