$ git clone -n https://src.fedoraproject.org/rpms/linux-user-chroot.git /var/lib/mock/f31-build-63828-29444/root/chroot_tmpdir/scmroot/linux-user-chroot
Cloning into '/var/lib/mock/f31-build-63828-29444/root/chroot_tmpdir/scmroot/linux-user-chroot'...
$ git reset --hard 37e4ec893799a32455b487145d47a31ad5d6bdd3
HEAD is now at 37e4ec8 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild