blob: d694756d29176cee19ff012bfaee74f9733dd98a [file] [log] [blame]
#!/bin/sh
if [ -x /usr/lib/git-core/google_hook ]; then
/usr/lib/git-core/google_hook pre-commit "$@"
else
echo 'warning: Cannot run /usr/lib/git-core/google_hook.' \
'If this is unexpected, please file a go/git-bug' >&2
fi
# Make a temporary directory
TMPDIR=$(mktemp -d -t gcp-$(date +%Y-%m-%d-%H-%M-%S)-XXXXXXXXXX)
diffFile=$(mktemp gpc-XXXXXXXXX --tmpdir=$TMPDIR)
# Get every source file that's been added, changed, or modified in the
# current index.
FILES=$(git diff --cached --name-only --diff-filter=ACM | grep '\.cpp$\|\.hpp$\|\.h$\|\.c$')
# Checkout a copy of current index into TMPDIR. This is necessary so that we
# only read the versions of files that are being committed, and not any changes
# to those files that haven't been added yet.
git checkout-index --prefix=$TMPDIR/ -af
# Everything else will now happen in TMPDIR
cd $TMPDIR
# Go through each file and test if clang-format modifies the file
pass=1
for FILE in $FILES
do
tmpfile=$(mktemp gpc-XXXXXXXXX --tmpdir=$TMPDIR)
FULLFILE="$TMPDIR/$FILE"
clang-format --style=file $FULLFILE > "$tmpfile"
diff "$FULLFILE" "$tmpfile" > "$diffFile"
if [ -s "$diffFile" ]
then
echo "$FILE"
pass=0
fi
rm "$tmpfile"
done
rm "$diffFile"
rm -rf "$TMPDIR"
if [ "$pass" != 1 ]
then
echo "Please run src/clang-format-all.sh to correct the above files"
exit 1
fi