$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-File-HomeDir.git /var/lib/mock/dist-oc9-build-43613-14591/root/chroot_tmpdir/scmroot/perl-File-HomeDir
Cloning into '/var/lib/mock/dist-oc9-build-43613-14591/root/chroot_tmpdir/scmroot/perl-File-HomeDir'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-File-HomeDir
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc5da30 import perl-File-HomeDir-1.006-3.tl4