$ git clone -n https://src.fedoraproject.org/rpms/perl-Test2-Tools-Process.git /var/lib/mock/f45-build-26927-620/root/chroot_tmpdir/scmroot/perl-Test2-Tools-Process
Cloning into '/var/lib/mock/f45-build-26927-620/root/chroot_tmpdir/scmroot/perl-Test2-Tools-Process'...
$ git fetch origin 5467c693fb3abbde48cd73595440f0344edaf0e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test2-Tools-Process
 * [new ref]         5467c693fb3abbde48cd73595440f0344edaf0e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5467c69 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild