$ git clone -n https://src.fedoraproject.org/rpms/R-jqr.git /var/lib/mock/f45-build-6226-347/root/chroot_tmpdir/scmroot/R-jqr
Cloning into '/var/lib/mock/f45-build-6226-347/root/chroot_tmpdir/scmroot/R-jqr'...
$ git fetch origin 2dde4e8d296fd3a2d7a24a0b5559aea6b1ba918c:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/R-jqr.git/': Failed to connect to src.fedoraproject.org port 443 after 4007 ms: Could not connect to server
$ git reset --hard 2dde4e8d296fd3a2d7a24a0b5559aea6b1ba918c
HEAD is now at 2dde4e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild