$ git clone -n https://src.fedoraproject.org/rpms/python3-cangjie.git /var/lib/mock/f41-build-side-1-2768771-32099/root/chroot_tmpdir/scmroot/python3-cangjie
Cloning into '/var/lib/mock/f41-build-side-1-2768771-32099/root/chroot_tmpdir/scmroot/python3-cangjie'...
$ git fetch origin 8fc9128781e53b699d2cbdc5ad3f5fba17d1193c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-cangjie
 * [new ref]         8fc9128781e53b699d2cbdc5ad3f5fba17d1193c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fc9128 Merge branch 'rawhide' into f41