$ git clone -n https://src.fedoraproject.org/rpms/fcitx-libpinyin.git /var/lib/mock/f40-build-750656-115155/root/chroot_tmpdir/scmroot/fcitx-libpinyin
Cloning into '/var/lib/mock/f40-build-750656-115155/root/chroot_tmpdir/scmroot/fcitx-libpinyin'...
$ git fetch origin b7e414e92bdf3b223bcc27136b07f19f96371fbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx-libpinyin
 * [new ref]         b7e414e92bdf3b223bcc27136b07f19f96371fbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7e414e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild