$ git clone -n https://src.fedoraproject.org/rpms/brltty.git /var/lib/mock/f42-build-866031-173661/root/chroot_tmpdir/scmroot/brltty
Cloning into '/var/lib/mock/f42-build-866031-173661/root/chroot_tmpdir/scmroot/brltty'...
$ git fetch origin e0eb2b451706b372a012a1bff14c600c044df063:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brltty
 * [new ref]         e0eb2b451706b372a012a1bff14c600c044df063 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0eb2b4 OCaml 5.3.0 rebuild for Fedora 42