$ git clone -n https://src.fedoraproject.org/rpms/etcd.git /var/lib/mock/f39-build-1918258-42933/root/chroot_tmpdir/scmroot/etcd
Cloning into '/var/lib/mock/f39-build-1918258-42933/root/chroot_tmpdir/scmroot/etcd'...
$ git fetch origin 083bece85f69f71c335dab89599a1435b071bff4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/etcd
 * [new ref]         083bece85f69f71c335dab89599a1435b071bff4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 083bece Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild