$ git clone -n https://src.fedoraproject.org/rpms/R-purrr.git /var/lib/mock/f33-build-281375-51708/root/chroot_tmpdir/scmroot/R-purrr
Cloning into '/var/lib/mock/f33-build-281375-51708/root/chroot_tmpdir/scmroot/R-purrr'...
$ git reset --hard 70eddff3da09c4f5bc5c3a5d608081269235dfe2
HEAD is now at 70eddff Merge branch 'f30'