$ git clone -n https://src.fedoraproject.org/rpms/brltty.git /var/lib/mock/f45-build-43636-804/root/chroot_tmpdir/scmroot/brltty
Cloning into '/var/lib/mock/f45-build-43636-804/root/chroot_tmpdir/scmroot/brltty'...
$ git fetch origin d91de5383dd46c1c1c0ce0c59d4a511b0f5befee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brltty
 * [new ref]         d91de5383dd46c1c1c0ce0c59d4a511b0f5befee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d91de53 OCaml 5.5.1 rebuild