$ git clone -n https://src.fedoraproject.org/rpms/ibus-cangjie.git /var/lib/mock/f40-build-2701446-70437/root/chroot_tmpdir/scmroot/ibus-cangjie
Cloning into '/var/lib/mock/f40-build-2701446-70437/root/chroot_tmpdir/scmroot/ibus-cangjie'...
$ git fetch origin 6289049385b8c379886dc6be5fd1cb67d08a9fbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-cangjie
 * [new ref]         6289049385b8c379886dc6be5fd1cb67d08a9fbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6289049 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild