$ git clone -n https://src.fedoraproject.org/rpms/fcitx.git /var/lib/mock/f40-build-746298-112555/root/chroot_tmpdir/scmroot/fcitx
Cloning into '/var/lib/mock/f40-build-746298-112555/root/chroot_tmpdir/scmroot/fcitx'...
$ git fetch origin ceac1880d13c6f1fdca9ebcf0dcbf99f95a1f1f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx
 * [new ref]         ceac1880d13c6f1fdca9ebcf0dcbf99f95a1f1f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ceac188 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild