$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-hangul.git /var/lib/mock/f40-build-1931851-25123/root/chroot_tmpdir/scmroot/fcitx5-hangul
Cloning into '/var/lib/mock/f40-build-1931851-25123/root/chroot_tmpdir/scmroot/fcitx5-hangul'...
$ git fetch origin d8645ce3644b66348b4c18f315119fafdfb7d9e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-hangul
 * [new ref]         d8645ce3644b66348b4c18f315119fafdfb7d9e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8645ce update to upstream release 5.1.4