$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-tesseract.git /var/lib/mock/f41-build-838790-159768/root/chroot_tmpdir/scmroot/R-tesseract
Cloning into '/var/lib/mock/f41-build-838790-159768/root/chroot_tmpdir/scmroot/R-tesseract'...
$ git fetch origin c5600dcfc1f1a369b463126b8ee1ab8321e1fabc:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-tesseract
 * [new ref]         c5600dcfc1f1a369b463126b8ee1ab8321e1fabc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5600dc Enable bootstrap