$ git clone -n https://src.fedoraproject.org/rpms/zeromq-ada.git /var/lib/mock/f40-build-761758-121652/root/chroot_tmpdir/scmroot/zeromq-ada
Cloning into '/var/lib/mock/f40-build-761758-121652/root/chroot_tmpdir/scmroot/zeromq-ada'...
$ git fetch origin f405eb69f7f51c346be9c19f3b2f2c90b511b867:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zeromq-ada
 * [new ref]         f405eb69f7f51c346be9c19f3b2f2c90b511b867 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f405eb6 rebuild for new libsodium