$ git clone -n https://gitee.com/zhonglingh/ceres-solver.git /var/lib/mock/dist-an23-build-345386-70116/root/chroot_tmpdir/scmroot/ceres-solver
Cloning into '/var/lib/mock/dist-an23-build-345386-70116/root/chroot_tmpdir/scmroot/ceres-solver'...
$ git fetch origin 48ab42df4b836c33780c048d6a5a15cd5565712c:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/ceres-solver
 * [new ref]         48ab42df4b836c33780c048d6a5a15cd5565712c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48ab42d init from upstream