$ git clone -n https://src.fedoraproject.org/rpms/perl-libnet.git /var/lib/mock/f41-build-816908-150476/root/chroot_tmpdir/scmroot/perl-libnet
Cloning into '/var/lib/mock/f41-build-816908-150476/root/chroot_tmpdir/scmroot/perl-libnet'...
$ git fetch origin 0ab0dc9f92905106b272345634be6afeec283e24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-libnet
 * [new ref]         0ab0dc9f92905106b272345634be6afeec283e24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ab0dc9 Perl 5.40 re-rebuild of bootstrapped packages