Xcode build phase script to increment the build number on every build or every commit

Increment Build Number Based on Git Commits.sh

if [ -z "${PROJECT_DIR}" ]; then
    PROJECT_DIR=`pwd`
fi

if [ -z "${PREFIX}" ]; then
    PREFIX=""
fi

SVN_DIR="${PROJECT_DIR}/.svn"
GIT_DIR="${PROJECT_DIR}/.git"

if [ -d "${GIT_DIR}" ]; then
    if [ -z "${GIT_BRANCH}" ]; then
        GIT_BRANCH=`git rev-parse --abbrev-ref HEAD`
    fi

    BUILD_NUMBER=`xcrun git rev-list ${GIT_BRANCH} | wc -l | tr -d ' '`
    BUILD_HASH=`xcrun git rev-parse --short --verify ${GIT_BRANCH} | tr -d ' '`
elif [ -d "${SVN_DIR}" ]; then
    BUILD_NUMBER=`xcrun svnversion -nc "${PROJECT_DIR}" | sed -e 's/^[^:]*://;s/[A-Za-z]//' | tr -d ' '`
    BUILD_HASH="${BUILD_NUMBER}"
else
    BUILD_NUMBER="1"
    BUILD_HASH="1"
fi

OLD_BUILD_NUMBER=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")

if [ "${BUILD_NUMBER}" != "${OLD_BUILD_NUMBER}" ]; then
    /usr/libexec/PlistBuddy -c "Set :CFBundleVersion $BUILD_NUMBER" "${PROJECT_DIR}/${INFOPLIST_FILE}"
fi

Increment Build Number.sh

buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")
buildNumber=$(($buildNumber + 1))
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $buildNumber" "${PROJECT_DIR}/${INFOPLIST_FILE}"

Screenshot of Xcode configuration