gnu-social/bin/pre-commit

#!/usr/bin/env bash

# get the list of changed files
staged_files=$(git diff --cached --name-only)

# build command to fix files
cmd="$(git rev-parse --show-toplevel)/vendor/bin/php-cs-fixer"

echo "Running php-cs-fixer on edited files"

for staged in ${staged_files}; do
    # work only with existing files
    if [[ -f ${staged} && ${staged} == *.php ]]; then
        # use php-cs-fixer and get flag of correction
        "${cmd}" -q fix "${staged}"

        # if php-cs-fixer fix works, it returns 0
        if [[ $? -eq 0 ]]; then
            git add "${staged}" # execute git add directly
        fi
    fi
done

exit 0 # do commit