$ git clone -n https://gitee.com/alpha-wang/pigz.git /var/lib/mock/dist-an23-build-357943-71155/root/chroot_tmpdir/scmroot/pigz
Cloning into '/var/lib/mock/dist-an23-build-357943-71155/root/chroot_tmpdir/scmroot/pigz'...
$ git fetch origin f02fdedf5b6a5ca703663642feaf27f2ceb28f7b:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/pigz
 * [new ref]         f02fdedf5b6a5ca703663642feaf27f2ceb28f7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f02fded download to 2.7