$ git clone -n https://gitee.com/etux/fedora-riscv64-kickstarts.git /var/lib/mock/f39-build-1786294-41712/root/chroot_tmpdir/fedora-riscv64-kickstarts
Cloning into '/var/lib/mock/f39-build-1786294-41712/root/chroot_tmpdir/fedora-riscv64-kickstarts'...
$ git fetch origin b59942c6075ef3e3b8cfc3c28e25162cd25e2d39:KOJI_FETCH_HEAD
From https://gitee.com/etux/fedora-riscv64-kickstarts
 * [new ref]         b59942c6075ef3e3b8cfc3c28e25162cd25e2d39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b59942c upgrade to Fedora 39 for th1520