$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-SMTP-SSL.git /var/lib/mock/f45-build-25378-610/root/chroot_tmpdir/scmroot/perl-Net-SMTP-SSL
Cloning into '/var/lib/mock/f45-build-25378-610/root/chroot_tmpdir/scmroot/perl-Net-SMTP-SSL'...
$ git fetch origin 78e3472604b6846743b5c41cb6f2c73d4b152bdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-SMTP-SSL
 * [new ref]         78e3472604b6846743b5c41cb6f2c73d4b152bdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78e3472 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild