$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-chewing.git /var/lib/mock/f40-build-2693508-68287/root/chroot_tmpdir/scmroot/fcitx5-chewing
Cloning into '/var/lib/mock/f40-build-2693508-68287/root/chroot_tmpdir/scmroot/fcitx5-chewing'...
$ git fetch origin 0a603785da6c189db0b476a6dbdf3b99f603a679:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-chewing
 * [new ref]         0a603785da6c189db0b476a6dbdf3b99f603a679 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a60378 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild