$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-unikey.git /var/lib/mock/f39-build-2205169-51990/root/chroot_tmpdir/scmroot/fcitx5-unikey
Cloning into '/var/lib/mock/f39-build-2205169-51990/root/chroot_tmpdir/scmroot/fcitx5-unikey'...
$ git fetch origin 741f5ac085e23c285f026ebeec79a32829e6eeb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-unikey
 * [new ref]         741f5ac085e23c285f026ebeec79a32829e6eeb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 741f5ac update to upstream release 5.1.2