$ git clone -n https://src.fedoraproject.org/rpms/perl-Pod-Perldoc.git /var/lib/mock/f45-build-25867-613/root/chroot_tmpdir/scmroot/perl-Pod-Perldoc
Cloning into '/var/lib/mock/f45-build-25867-613/root/chroot_tmpdir/scmroot/perl-Pod-Perldoc'...
$ git fetch origin 4fd57c6b9e3a5321af8109c103e7155045c908a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pod-Perldoc
 * [new ref]         4fd57c6b9e3a5321af8109c103e7155045c908a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fd57c6 Perl 5.44 re-rebuild of bootstrapped packages