$ git clone -n https://src.fedoraproject.org/rpms/fcitx-m17n.git /var/lib/mock/f40-build-2278030-55255/root/chroot_tmpdir/scmroot/fcitx-m17n
Cloning into '/var/lib/mock/f40-build-2278030-55255/root/chroot_tmpdir/scmroot/fcitx-m17n'...
$ git fetch origin d3da6401f7df279b231a7dcf298135ea9f1c3d1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx-m17n
 * [new ref]         d3da6401f7df279b231a7dcf298135ea9f1c3d1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3da640 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild