#!/bin/sh
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# Run clang's static analyzer (scan-build) and record its output in output-scan-build/
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# Ensure the current directory is where this script is
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cd "$(dirname -- "$0")" || exit $?
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OUTPUTDIR="$(pwd)/output-scan-build"
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# Display the commands which are run, and make sure they succeed
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set -x -e
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# Use a temporary directory as an installation directory, if $DESTDIR is not set
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if [ -z "$DESTDIR" ] ; then
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DESTDIR="$(mktemp --tmpdir -d scan-build-destdir-XXXXXXXXXX)"
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fi
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# Make sure to use the newly-installed libraries when running tests
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export LD_LIBRARY_PATH="$DESTDIR/usr/lib:$DESTDIR/lib"
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export PATH="$DESTDIR/usr/sbin:$DESTDIR/usr/bin:$DESTDIR/sbin:$DESTDIR/bin:$PATH"
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export PYTHONPATH="$DESTDIR$(${PYTHON:-python3} -c "from distutils.sysconfig import *;print(get_python_lib(prefix='/usr'))")"
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export RUBYLIB="$DESTDIR/$(${RUBY:-ruby} -e 'puts RbConfig::CONFIG["vendorlibdir"]'):$DESTDIR/$(${RUBY:-ruby} -e 'puts RbConfig::CONFIG["vendorarchdir"]')"
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# Build and analyze
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make -C .. CC=clang clean distclean -j"$(nproc)"
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scan-build -analyze-headers -o "$OUTPUTDIR" make -C .. CC=clang DESTDIR="$DESTDIR" install install-pywrap install-rubywrap all test
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# Reduce the verbosity in order to keep the message from scan-build saying
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# "scan-build: Run 'scan-view /.../output-scan-build/2018-...' to examine bug reports.
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set +x
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# Remove the destination directory without using "rm -rf"
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chmod u+w "$DESTDIR/usr/bin/newrole"
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rm -r "$DESTDIR"
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