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#! /bin/bash
set -o pipefail
t=__wt.$$
trap 'rm -rf $t' 0 1 2 3 13 15
download_clang_format() {
version=$1
# FIXME-WT-10619
arch=$(uname -m)
if [ ! "$arch" = "x86_64" ]; then
echo "$0: unsupported architecture $arch to run clang_format"
return 1
fi
archive=dist/clang-format.tar.gz
sys_os=$(uname)
if [ "$sys_os" = "Linux" ]; then
curl https://s3.amazonaws.com/boxes.10gen.com/build/clang-format-llvm-"$version"-x86_64-linux-gnu-ubuntu-20.04.tar-1.gz -o $archive
tar --strip=1 -C dist/ -xf $archive clang-format-llvm-"$version"-x86_64-linux-gnu-ubuntu-20.04/clang-format && rm $archive
elif [ "$sys_os" = "Darwin" ]; then
curl https://s3.amazonaws.com/boxes.10gen.com/build/build/clang-format-llvm-"$version"-x86_64-apple-darwin.tar.gz -o $archive
tar --strip=1 -C dist/ -xf $archive clang-format-llvm-"$version"-x86_64-apple-darwin/clang-format && rm $archive
else
echo "$0: unsupported environment $sys_os"
return 1
fi
}
# Find the top-level WiredTiger directory.
dest_dir=$(git rev-parse --show-toplevel)
# If this is a MongoDB source tree, move to the WiredTiger subtree.
git_repo_str=$(git config remote.origin.url)
is_mongo_repo=$(echo "$git_repo_str" | grep "mongodb/mongo")
if [ -n "$is_mongo_repo" ] ; then
dest_dir="$dest_dir/src/third_party/wiredtiger"
fi
cd "$dest_dir" || exit 1
# Override existing Clang-Format versions in the PATH.
export PATH="${PWD}/dist":$PATH
# Check if Clang-Format is already available with the desired version.
desired_version="10.0.0"
if ! command -v clang-format &> /dev/null; then
download_clang_format $desired_version || exit 1
elif ! clang-format --version | grep -q $desired_version; then
download_clang_format $desired_version || exit 1
fi
# Users may need to manually approve binaries.
# If we're not allowed to run Clang-Format, let's exit (should be obvious from the dialog).
clang-format --version &> /dev/null || exit 1
exclude=true
case $# in
0)
# Get all source files.
search=`find bench examples ext src test -name '*.[ch]' -o -name '*.cpp'`
;;
1)
# If the -F option is not specified then find every source file.
if [ $1 == "-F" ]; then
# We are running in fast mode, get all the source files modified according to git.
search=`git diff --name-only $(git merge-base --fork-point develop) | grep -E '\.(c|h|cpp)$'`
else
search="$1"
exclude=false
fi
;;
*)
echo "usage: $0 [-F] [file]"
echo "-F apply clang format to modified source files in the git index"
echo "Only a file or -F can be provided"
exit 1
;;
esac
if $exclude; then
for f in `cat dist/s_clang_format.list`; do
search=`echo "$search" | sed "\#$f#d"`
done
fi
# Don't format inplace with -i flag.
# We want to be able to detect modifications.
for f in $search; do
cat "$f" | \
clang-format --fallback-style=none | \
python dist/s_comment.py > "$t" || exit 1
cmp -s "$f" "$t"
if test $? -ne 0; then
if test $# -eq 0 ; then
echo "Modifying $f"
fi
cp "$t" "$f"
fi
done
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