$ git clone -n https://src.fedoraproject.org/rpms/vmem.git /var/lib/mock/f33-build-314595-57708/root/chroot_tmpdir/scmroot/vmem
Cloning into '/var/lib/mock/f33-build-314595-57708/root/chroot_tmpdir/scmroot/vmem'...
$ git reset --hard 3a7b48fd4805e465c53b9ddadf39ae4cb81ecfb5
HEAD is now at 3a7b48f Version 1.8-1