$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-libthai.git /var/lib/mock/f40-build-1931842-25123/root/chroot_tmpdir/scmroot/fcitx5-libthai
Cloning into '/var/lib/mock/f40-build-1931842-25123/root/chroot_tmpdir/scmroot/fcitx5-libthai'...
$ git fetch origin 3db181280a723e2c433840eeae44afcca226dcd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-libthai
 * [new ref]         3db181280a723e2c433840eeae44afcca226dcd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db1812 update to upstream release 5.1.3