$ git clone -n https://gitee.com/opencloudos-stream/perl-File-NFSLock.git /var/lib/mock/dist-oc9-epol-build-77141-52700/root/chroot_tmpdir/scmroot/perl-File-NFSLock
Cloning into '/var/lib/mock/dist-oc9-epol-build-77141-52700/root/chroot_tmpdir/scmroot/perl-File-NFSLock'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-File-NFSLock
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ee5ef6 package init