$ git clone -n https://github.com/xcp-ng-rpms/sm.git /var/lib/mock/v8.2-base-2736-2165/root/chroot_tmpdir/scmroot/sm
Cloning into '/var/lib/mock/v8.2-base-2736-2165/root/chroot_tmpdir/scmroot/sm'...
$ git reset --hard 4f00aa3d7809fd1e50b2e94f98fddccda2051d13
fatal: Could not parse object '4f00aa3d7809fd1e50b2e94f98fddccda2051d13'.