$ git clone -n https://gitee.com/xzyang-anolis8/lightdm.git /var/lib/mock/dist-an23-dde-build-330141-68958/root/chroot_tmpdir/scmroot/lightdm
Cloning into '/var/lib/mock/dist-an23-dde-build-330141-68958/root/chroot_tmpdir/scmroot/lightdm'...
$ git fetch origin 34bb1150a69b6b826eeda62051a441bb0e2f90ee:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis8/lightdm
 * [new ref]         34bb1150a69b6b826eeda62051a441bb0e2f90ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34bb115 fix spec version