virtualx-engine/misc/scripts/file_format.sh
Rémi Verschelde c71e189efd Style: Fix code format scripts compat with non-GNU Unices
It's too hard to get compatibility between GNU and BSD sed,
so let's just use perl oneliners.

And improve it to also remove trailing tabs, not just spaces.
2020-07-27 13:11:44 +02:00

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#!/usr/bin/env bash
# This script ensures proper POSIX text file formatting and a few other things.
# This is supplementary to clang_format.sh and black_format.sh, but should be
# run before them.
# We need dos2unix and recode.
if [ ! -x "$(command -v dos2unix)" -o ! -x "$(command -v recode)" ]; then
printf "Install 'dos2unix' and 'recode' to use this script.\n"
fi
set -uo pipefail
IFS=$'\n\t'
# Loops through all text files tracked by Git.
git grep -zIl '' |
while IFS= read -rd '' f; do
# Exclude some types of files.
if [[ "$f" == *"csproj" ]]; then
continue
elif [[ "$f" == *"sln" ]]; then
continue
elif [[ "$f" == *"patch" ]]; then
continue
elif [[ "$f" == *"pot" ]]; then
continue
elif [[ "$f" == *"po" ]]; then
continue
elif [[ "$f" == "thirdparty"* ]]; then
continue
elif [[ "$f" == "platform/android/java/lib/src/com/google"* ]]; then
continue
fi
# Ensures that files are UTF-8 formatted.
recode UTF-8 "$f" 2> /dev/null
# Ensures that files have LF line endings.
dos2unix "$f" 2> /dev/null
# Remove trailing space characters.
# -l option handles newlines conveniently and seems to also get rid of BOMs.
perl -i -ple 's/\s*$//g' "$f"
# Remove the character sequence "== true" if it has a leading space.
perl -i -pe 's/\x20== true//g' "$f"
done
git diff > patch.patch
# If no patch has been generated all is OK, clean up, and exit.
if [ ! -s patch.patch ] ; then
printf "Files in this commit comply with the formatting rules.\n"
rm -f patch.patch
exit 0
fi
# A patch has been created, notify the user, clean up, and exit.
printf "\n*** The following differences were found between the code "
printf "and the formatting rules:\n\n"
cat patch.patch
printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
rm -f patch.patch
exit 1