$ git clone -n http://fedora.riscv.rocks:3000/rpms/grub2.git /var/lib/mock/f41-build-864481-172328/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/f41-build-864481-172328/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin bde4df5deb05b2dcd069495b88caac61c18ce8ea:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/grub2
 * [new ref]         bde4df5deb05b2dcd069495b88caac61c18ce8ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bde4df5 Large code model + reduce the number of relocations