virtualx-engine/misc/scripts/file_format.sh
Rémi Verschelde ad7710ae5e
Dynamically load libudev.so.1 on Linux if udev=yes
This makes it possibly to run Linux binaries compiled with udev support on
Linux systems which do not provide udev (typically systemd-less distros).

If udev is missing, we fall back to parsing `/dev/input` like when compiled
without udev support (`udev=no`).

Also adding some verbose debug statements to know which method we're using
when debugging Linux joypad issues.

The libudev so wrappers were generated on Mageia 8 with libudev 246.9 using
https://github.com/hpvb/dynload-wrapper:
```
./generate-wrapper.py --include /usr/include/libudev.h --sys-include '<libudev.h>' \
  --soname libudev.so.1 --init-name libudev --omit-prefix gnu_ \
  --output-header libudev-so_wrap.h --output-implementation libudev-so_wrap.c
```

(cherry picked from commits a10c259c1d
and e26a1f807b)

Edit: Updated to version 0.2 of dynload-wrapper to fix symbols clobbering as
done in #46143.
2021-02-18 10:31:31 +01:00

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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
elif [[ "$f" == *"-so_wrap."* ]]; then
continue
fi
# Ensure that files are UTF-8 formatted.
recode UTF-8 "$f" 2> /dev/null
# Ensure that files have LF line endings and do not contain a BOM.
dos2unix "$f" 2> /dev/null
# Remove trailing space characters and ensures that files end
# with newline characters. -l option handles newlines conveniently.
perl -i -ple 's/\s*$//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