$ git clone -n https://src.fedoraproject.org/rpms/R-gmp.git /var/lib/mock/f33-build-226298-49480/root/chroot_tmpdir/scmroot/R-gmp
Cloning into '/var/lib/mock/f33-build-226298-49480/root/chroot_tmpdir/scmroot/R-gmp'...
$ git reset --hard 23af629c2bfca6adb81f5cfa2678e0ec58fcd194
HEAD is now at 23af629 Merge branch 'f30'