$ git clone -n https://src.fedoraproject.org/rpms/ibus-cangjie.git /var/lib/mock/f42-build-3367140-45050/root/chroot_tmpdir/scmroot/ibus-cangjie
Cloning into '/var/lib/mock/f42-build-3367140-45050/root/chroot_tmpdir/scmroot/ibus-cangjie'...
$ git fetch origin fd64fc6cd565a73500abd9a6fb99a28cbf1cb3e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-cangjie
 * [new ref]         fd64fc6cd565a73500abd9a6fb99a28cbf1cb3e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd64fc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild