$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-SpeedyCGI.git /var/lib/mock/f45-build-21994-589/root/chroot_tmpdir/scmroot/perl-CGI-SpeedyCGI
Cloning into '/var/lib/mock/f45-build-21994-589/root/chroot_tmpdir/scmroot/perl-CGI-SpeedyCGI'...
$ git fetch origin 8fd96a9e6efe57269a7475e2aeee179c1c84d203:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-SpeedyCGI
 * [new ref]         8fd96a9e6efe57269a7475e2aeee179c1c84d203 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fd96a9 Perl 5.44 rebuild