$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-AMQP.git /var/lib/mock/f45-build-25235-610/root/chroot_tmpdir/scmroot/perl-Net-AMQP
Cloning into '/var/lib/mock/f45-build-25235-610/root/chroot_tmpdir/scmroot/perl-Net-AMQP'...
$ git fetch origin 2c5d634d3513c62acce24d8a0947debcbe7f2081:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-AMQP
 * [new ref]         2c5d634d3513c62acce24d8a0947debcbe7f2081 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c5d634 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild