$ git clone -n https://gitee.com/zxy19951122/perl-Net-Ping.git /var/lib/mock/dist-an7_9-updates-build-293911-64990/root/chroot_tmpdir/scmroot/perl-Net-Ping
Cloning into '/var/lib/mock/dist-an7_9-updates-build-293911-64990/root/chroot_tmpdir/scmroot/perl-Net-Ping'...
$ git fetch origin c34b82f544823880f905b07f1ce3e28d2918742b:KOJI_FETCH_HEAD
From https://gitee.com/zxy19951122/perl-Net-Ping
 * [new ref]         c34b82f544823880f905b07f1ce3e28d2918742b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c34b82f Optimize the spec file