$ git clone -n https://src.fedoraproject.org/rpms/R-quadprog.git /var/lib/mock/f41-build-1017419-17932/root/chroot_tmpdir/scmroot/R-quadprog
Cloning into '/var/lib/mock/f41-build-1017419-17932/root/chroot_tmpdir/scmroot/R-quadprog'...
$ git fetch origin bc3865661d666c119dbcde4216eea3c3f3d938fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-quadprog
 * [new ref]         bc3865661d666c119dbcde4216eea3c3f3d938fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc38656 Eliminate use of obsolete %patchN syntax (#2283636)