$ git clone -n https://src.fedoraproject.org/rpms/R-chron.git /var/lib/mock/f38-build-724485-99434/root/chroot_tmpdir/scmroot/R-chron
Cloning into '/var/lib/mock/f38-build-724485-99434/root/chroot_tmpdir/scmroot/R-chron'...
$ git reset --hard aac66a82affd1c02a6cf115c8d8f296675bec648
HEAD is now at aac66a8 R-maint-sig mass rebuild