$ git clone -n https://github.com/fedora-riscv/samba.git /var/lib/mock/f39-build-1649874-40474/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/f39-build-1649874-40474/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 61d3fc470cf35adf201c829d0ae483f4ac57dee6:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/samba
 * [new ref]         61d3fc470cf35adf201c829d0ae483f4ac57dee6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61d3fc4 Merge remote-tracking branch 'fedoraproject/f39' into f39-rv64