$ git clone -n https://github.com/xcp-ng-rpms/qemu.git /var/lib/mock/v8.3-incoming-9989-28649/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/v8.3-incoming-9989-28649/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin fdc77b61a5eda8019d31e25d7d6f870d4d8b8c88:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/qemu
 * [new ref]         fdc77b61a5eda8019d31e25d7d6f870d4d8b8c88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdc77b6 Merge pull request #11 from xcp-ng-rpms/8.3-backport_fix_for_CVE-2023-3929