$ git clone -n https://src.fedoraproject.org/rpms/perl-App-PFT.git /var/lib/mock/f45-build-21710-587/root/chroot_tmpdir/scmroot/perl-App-PFT
Cloning into '/var/lib/mock/f45-build-21710-587/root/chroot_tmpdir/scmroot/perl-App-PFT'...
$ git fetch origin bce17e9bcee29c6d75657363b5a68276be9f58e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-App-PFT
 * [new ref]         bce17e9bcee29c6d75657363b5a68276be9f58e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bce17e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild