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56 lines
2.0 KiB
56 lines
2.0 KiB
#!/usr/bin/env bash
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# find-filename-conflicts - Finds cpp files with conflicting filenames
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# Copyright (C) 2020 Keyboard.io, Inc.
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 3.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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## When building Kaleidoscope, the compiled object files are linked together
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## into a static archive. This static archive has a very simple structure, and
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## only stores filenames, not paths, not even relative ones. As such, we can't
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## have files with the same name, because they will conflict, and one will
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## override the other.
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##
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## To avoid this situation, this script will find all cpp source files (we don't
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## need to care about header-only things, those do not result in an object
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## file), and will comb through them to find conflicting filenames.
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##
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## If a conflict is found, it will print all files that share the name, and will
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## exit with an error at the end. It does not exit at the first duplicate, but
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## will find and print all of them.
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##
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## If no conflict is found, the script just prints its status message and exits
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## with zero.
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set -e
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FILE_LIST="$(find src -name '*.cpp' | sed -e 's,\(\(.*\)/\([^/]*\)\),\3 \1,')"
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exit_code=0
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echo -n "Looking for conflicting filenames... "
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for f in $(echo "${FILE_LIST}" | cut -f1 -d" "); do
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count=$(echo "${FILE_LIST}" | grep -c "^${f}")
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if [ "$count" -gt 1 ]; then
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echo >&2
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echo " Conflict found for ${f}: " >&2
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echo "${FILE_LIST}" | grep "${f}" | cut -d" " -f2 | sed -e 's,^, ,' >&2
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exit_code=1
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fi
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done
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if [ "${exit_code}" -eq 0 ]; then
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echo "done."
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fi
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exit ${exit_code}
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