$ git clone -n https://src.fedoraproject.org/rpms/perl-libnet.git /var/lib/mock/f41-build-815686-149688/root/chroot_tmpdir/scmroot/perl-libnet
Cloning into '/var/lib/mock/f41-build-815686-149688/root/chroot_tmpdir/scmroot/perl-libnet'...
$ git fetch origin 9ac76eea7a97ec0d5f96397604b800a4419874a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-libnet
 * [new ref]         9ac76eea7a97ec0d5f96397604b800a4419874a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ac76ee Increase release to favour standalone package