$ git clone -n https://src.fedoraproject.org/rpms/R-udunits2.git /var/lib/mock/f38-build-724024-99309/root/chroot_tmpdir/scmroot/R-udunits2
Cloning into '/var/lib/mock/f38-build-724024-99309/root/chroot_tmpdir/scmroot/R-udunits2'...
$ git reset --hard e1d4538680ad0ab5aea0f7af97de1b65adfd9586
HEAD is now at e1d4538 R-maint-sig mass rebuild