$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-magick.git /var/lib/mock/f41-build-840022-160487/root/chroot_tmpdir/scmroot/R-magick
Cloning into '/var/lib/mock/f41-build-840022-160487/root/chroot_tmpdir/scmroot/R-magick'...
$ git fetch origin f65e232f0699c7281a9e8147abc2c0ddfb482a3b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-magick
 * [new ref]         f65e232f0699c7281a9e8147abc2c0ddfb482a3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f65e232 flip network bcond