$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Amazon-EC2.git /var/lib/mock/f45-build-25240-610/root/chroot_tmpdir/scmroot/perl-Net-Amazon-EC2
Cloning into '/var/lib/mock/f45-build-25240-610/root/chroot_tmpdir/scmroot/perl-Net-Amazon-EC2'...
$ git fetch origin 9d7b0188894d2df4297421d0e4920f7246663bca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Amazon-EC2
 * [new ref]         9d7b0188894d2df4297421d0e4920f7246663bca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d7b018 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild