$ git clone -n https://gitee.com/etux/fedora-riscv64-kickstarts.git /var/lib/mock/f39-build-1771836-41502/root/chroot_tmpdir/fedora-riscv64-kickstarts
Cloning into '/var/lib/mock/f39-build-1771836-41502/root/chroot_tmpdir/fedora-riscv64-kickstarts'...
$ git fetch origin 38e7a04113f2ec065c80917ef1654e0dfdc98416:KOJI_FETCH_HEAD
From https://gitee.com/etux/fedora-riscv64-kickstarts
 * [new ref]         38e7a04113f2ec065c80917ef1654e0dfdc98416 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38e7a04 remove uboot-image