$ git clone -n https://gitee.com/happy_orange/gdm.git /var/lib/mock/dist-an23-build-280719-64593/root/chroot_tmpdir/scmroot/gdm
Cloning into '/var/lib/mock/dist-an23-build-280719-64593/root/chroot_tmpdir/scmroot/gdm'...
$ git fetch origin a1f72e80bbb46b47e50e2fa1d18048922158f8dc:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/gdm
 * [new ref]         a1f72e80bbb46b47e50e2fa1d18048922158f8dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1f72e8 no sleep for gdm