$ git clone -n https://src.fedoraproject.org/rpms/sdbus-cpp.git /var/lib/mock/f40-build-2041318-48423/root/chroot_tmpdir/scmroot/sdbus-cpp
Cloning into '/var/lib/mock/f40-build-2041318-48423/root/chroot_tmpdir/scmroot/sdbus-cpp'...
$ git fetch origin 9491986467d707bc0ab7e1a6788ff6a031146bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdbus-cpp
 * [new ref]         9491986467d707bc0ab7e1a6788ff6a031146bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9491986 Update to release 1.4.0