$ git clone -n https://src.fedoraproject.org/rpms/meshbird.git /var/lib/mock/f39-build-1507873-35314/root/chroot_tmpdir/scmroot/meshbird
Cloning into '/var/lib/mock/f39-build-1507873-35314/root/chroot_tmpdir/scmroot/meshbird'...
$ git fetch origin 89ea5b694b30b917ed28d0a820980526c97fda0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/meshbird
 * [new ref]         89ea5b694b30b917ed28d0a820980526c97fda0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89ea5b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild