Update pre-commit script to exit with the appropriate message when there's no .php file to commit.

pre-commit

#!/bin/bash
# PHP PSR2 CodeSniffer pre-commit hook
#
# @author Ahmed Siouani <ahmed.siouani@gmail.com>

# INIT
TMP_FOLDER=".tmp"
PHP_STANDARD="PSR2";

function clean {
  if [ -e $1 ]; then
    rm -rf $1
  fi
}

# catch only added, renamed & modified files withing the staging area
FILES=$(git diff-index --name-only --cached --diff-filter=ACMR HEAD)

if [ "$FILES" == "" ]; then
  echo "[Git][Hook][pre-commit]There is no file to check against $PHP_STANDARD coding standards - Make sure you staged your files"
  exit 0
fi

clean $TMP_FOLDER
mkdir $TMP_FOLDER

# filter files to get only those with .php extension
STAGED_PHP_FILES=""
for FILE in $FILES
do
  echo "$FILE" | egrep -q "\.php$"
  STATUS_CODE=$?
  if [ "$STATUS_CODE" -eq "0" ]; then
    SNAP=$(git diff-index --cached HEAD $FILE | cut -d " " -f4)
    mkdir -p "$TMP_FOLDER/$(dirname $FILE)"
    git cat-file blob $SNAP > "$TMP_FOLDER/$FILE"
    STAGED_PHP_FILES="$STAGED_PHP_FILE $TMP_FOLDER/$FILE"
  fi
done

if [ -z "$STAGED_PHP_FILES" ]; then
  echo "[Git][Hook][pre-commit] There's no .php file to process against $PHP_STANDARD Coding Standards"
  clean $TMP_FOLDER
  exit 0
fi

PHPCS_REPORT=$(phpcs -s -n  --standard=$PHP_STANDARD $STAGED_PHP_FILES)
STATUS_CODE=$?

clean $TMP_FOLDER

if [ $STATUS_CODE -ne 0 ]; then
   echo "$PHPCS_REPORT"
fi

exit $STATUS_CODE

La ligne 9 ne devrait elle pas être commentée ?

@jeansebastienh effectivement. C'est corrigé.