$ git clone -n https://gitee.com/yueeranna/jemalloc.git /var/lib/mock/dist-an8.6-build-197559-60841/root/chroot_tmpdir/scmroot/jemalloc
Cloning into '/var/lib/mock/dist-an8.6-build-197559-60841/root/chroot_tmpdir/scmroot/jemalloc'...
$ git reset --hard 66a8026369c2a3022e718b5b42da3dcb384ad57c
HEAD is now at 66a8026 init from upstream