$ git clone -n https://gitee.com/rabbitali/gsm.git /var/lib/mock/dist-an23-build-490667-74523/root/chroot_tmpdir/scmroot/gsm
Cloning into '/var/lib/mock/dist-an23-build-490667-74523/root/chroot_tmpdir/scmroot/gsm'...
$ git fetch origin d8a450aa01b98050db445cf3e0895f512e3a2e62:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/gsm
 * [new ref]         d8a450aa01b98050db445cf3e0895f512e3a2e62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8a450a Update code from upstream