$ git clone -n https://src.fedoraproject.org/rpms/langpacks.git /var/lib/mock/f41-build-side-1-2820521-33168/root/chroot_tmpdir/scmroot/langpacks
Cloning into '/var/lib/mock/f41-build-side-1-2820521-33168/root/chroot_tmpdir/scmroot/langpacks'...
$ git fetch origin f0c8f3b8733096535ae9653d9b43c9bee93a5812:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/langpacks
 * [new ref]         f0c8f3b8733096535ae9653d9b43c9bee93a5812 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0c8f3b zh_TW: change default inputmethod to ibus-chewing