$ git clone -n https://src.fedoraproject.org/rpms/R-keyring.git /var/lib/mock/f33-build-610344-67391/root/chroot_tmpdir/scmroot/R-keyring
Cloning into '/var/lib/mock/f33-build-610344-67391/root/chroot_tmpdir/scmroot/R-keyring'...
$ git reset --hard a150b3655f9319906916e273ba7af3c57e789d32
HEAD is now at a150b36 Initial commit (#1866166).