$ git clone -n https://gitee.com/src-opencloudos-rpms/libjpeg-turbo.git /var/lib/mock/dist-oc8-build-137253-79528/root/chroot_tmpdir/scmroot/libjpeg-turbo
Cloning into '/var/lib/mock/dist-oc8-build-137253-79528/root/chroot_tmpdir/scmroot/libjpeg-turbo'...
$ git fetch origin 355c53f929df2633292298d21340e945acb37bf7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libjpeg-turbo
 * [new ref]         355c53f929df2633292298d21340e945acb37bf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 355c53f import libjpeg-turbo-1.5.3-14.tl3