$ git clone -n https://src.fedoraproject.org/rpms/roca-detect.git /var/lib/mock/f39-build-1518197-35803/root/chroot_tmpdir/scmroot/roca-detect
Cloning into '/var/lib/mock/f39-build-1518197-35803/root/chroot_tmpdir/scmroot/roca-detect'...
$ git fetch origin 0c9541d0b0ac7609c4856a3d50807c4d760007f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/roca-detect
 * [new ref]         0c9541d0b0ac7609c4856a3d50807c4d760007f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c9541d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild