$ git clone -n https://src.fedoraproject.org/rpms/R-chron.git /var/lib/mock/f31-build-73795-31036/root/chroot_tmpdir/scmroot/R-chron
Cloning into '/var/lib/mock/f31-build-73795-31036/root/chroot_tmpdir/scmroot/R-chron'...
$ git reset --hard 9d015d54a41ee37dc7967445192b164aca0b5be7
HEAD is now at 9d015d5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild