$ git clone -n https://src.fedoraproject.org/rpms/perl-PDF-API2.git /var/lib/mock/f45-build-25445-611/root/chroot_tmpdir/scmroot/perl-PDF-API2
Cloning into '/var/lib/mock/f45-build-25445-611/root/chroot_tmpdir/scmroot/perl-PDF-API2'...
$ git fetch origin 3e3b9e8d473a2926a0f9a8fad3bcfce4d0241304:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PDF-API2
 * [new ref]         3e3b9e8d473a2926a0f9a8fad3bcfce4d0241304 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e3b9e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild