$ git clone -n https://gitee.com/cobratoxin/mesa-demos.git /var/lib/mock/dist-an8.7-build-262001-63788/root/chroot_tmpdir/scmroot/mesa-demos
Cloning into '/var/lib/mock/dist-an8.7-build-262001-63788/root/chroot_tmpdir/scmroot/mesa-demos'...
$ git reset --hard 134e8bc8e97c5214262181413647ba564ce0150e
HEAD is now at 134e8bc update to mesa-demos-8.4.0-5.20181118git1830dcb.el8.src.rpm