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format.sh
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executable file
·100 lines (86 loc) · 2.55 KB
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#!/usr/bin/env bash
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
IFS=$'\n'
set -f
all=0
force=0
if [ "$1" == "-a" ]; then
shift
all=1
elif [ "$1" == "-f" ]; then
shift
force=1
fi
[ -n "$1" ] && {
echo "$0: Too many arguments" >&2
exit 1
}
# Look for clang-format at a fixed path relative to the script.
script_path="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
clang_format_path="${script_path}/../../../tools/third-party/clang-format"
if [ "$(uname)" == Linux ]; then
clang_format="${clang_format_path}/linux/x86_64/clang-format"
else
clang_format="${clang_format_path}/macos/clang-format"
fi
# Fall back to one in $PATH if not found.
[ -x "${clang_format}" ] || clang_format="$(which clang-format)"
if [ ! -x "$clang_format" ]; then
echo "ERROR: Must have clang-format in PATH"
exit 1
fi
if "$clang_format" --version | grep -q -v '8.0.0'
then
echo "ERROR: clang-format's version must be 8.0.0"
exit 1
fi
THIS_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
cd "$THIS_DIR"/../ || exit 1
have_changes=0 # We have uncommitted changes
authored_previous=0 # We authored the most recent commit on this branch
if [[ $(hg status -mard 2>/dev/null) ]]; then
have_changes=1
fi
if hg log -l 1 --template="{author}" | grep -q -e "<$USER@" -e "^$USER$"
then
authored_previous=1
fi
files=()
if (( all )); then
echo "Formatting all files..."
files=(
$(find lib include tools unittests \
-name \*.h -print -o -name \*.cpp -print)
)
elif (( have_changes )); then
echo "Formatting only modified files..."
files=( $(hg st . -man --include "**.{h,cpp,inc,def,mm,m}") )
elif (( authored_previous )) || (( force )); then
last_commit_files=( $(hg st . -man --change . | grep -E '\.(h|cpp|inc|def|mm|m)$') )
echo "There are no modified files, but you authored the last commit:"
printf ' %s\n' "${last_commit_files[@]}"
if (( !force )); then
read -r -p "Format files in that commit? [y/N]" reply
if [[ $reply != [Yy] ]]; then
echo "Not doing anything."
exit 0
fi
fi
files=( "${last_commit_files[@]}" )
else
echo "You have no modified files and you didn't recently commit on this branch."
echo "To format all files: $0 -a"
exit 1
fi
for f in "${files[@]}"; do
before=$(date -r "$f")
"$clang_format" --verbose -i -style=file "$f" 2>&1 | tr -d "\n"
echo -n '...'
after=$(date -r "$f")
test "$before" = "$after" && echo "ok" || echo "reformatted"
done
echo
echo "Done"