$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-DBI-AsForm.git /var/lib/mock/f45-build-22352-591/root/chroot_tmpdir/scmroot/perl-Class-DBI-AsForm
Cloning into '/var/lib/mock/f45-build-22352-591/root/chroot_tmpdir/scmroot/perl-Class-DBI-AsForm'...
$ git fetch origin 684bf6d08f5d54648156f17247e5a307ac16fc91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-DBI-AsForm
 * [new ref]         684bf6d08f5d54648156f17247e5a307ac16fc91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 684bf6d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild