$ git clone -n https://gitee.com/gcdota930915/enchant.git /var/lib/mock/dist-an8.7-build-186534-60670/root/chroot_tmpdir/scmroot/enchant
Cloning into '/var/lib/mock/dist-an8.7-build-186534-60670/root/chroot_tmpdir/scmroot/enchant'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/enchant
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6307fa1 Rebuild