$ git clone -n https://src.fedoraproject.org/rpms/nspr.git /var/lib/mock/f33-build-582407-66416/root/chroot_tmpdir/scmroot/nspr
Cloning into '/var/lib/mock/f33-build-582407-66416/root/chroot_tmpdir/scmroot/nspr'...
$ git reset --hard e4b2fef07013fcc1b481b3803e366aa008a785b3
HEAD is now at e4b2fef Fix changelog date.