$ git clone -n https://github.com/xcp-ng-rpms/qemu.git /var/lib/mock/v8.3-incoming-9923-28597/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/v8.3-incoming-9923-28597/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 41d3147d2c2a45a47b7d8c0db1d565c1e9efbfec:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/qemu
 * [new ref]         41d3147d2c2a45a47b7d8c0db1d565c1e9efbfec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41d3147 Backport fix for CVE-2023-0330