echo "error: could not find ${author_file}"
exit 1
fi
-git filter-branch \
+FILTER_BRANCH_SQUELCH_WARNING=1 \
+exec git filter-branch \
--env-filter ". '${tmp}';"' \
eval "$(decode "${GIT_AUTHOR_NAME}" AUTHOR)"; \
eval "$(decode "${GIT_COMMITTER_NAME}" COMMITTER)"; \