Checks for required targets in static libraries and frameworks, also checks for Bitcode support for anything in the directory it's run from recursively.

check-x86-bitcode-support.sh

#!/bin/bash

PATH=$(pwd)
REQUIRED_ARCHS="arm64 x86_64"
REPORT_FILE="${PATH}/x86-bitcode-support-report.txt"

function clean_report() {
    /bin/rm -f "$REPORT_FILE"
}

function check_dependencies() {
    # Find static libraries or frameworks
    /usr/bin/find "$PATH" -name 'lib*.a' -o -name '*.framework' -type d > "$PATH"/.dependencies

    while read -r DEPENDENCY
    do
        ARCHIVE=""
        ARCHIVE_TYPE=""

        # Figure out what type of dependency this is
        if [[ "$DEPENDENCY" =~ .*\.a$ ]]; then

            # Static library
            ARCHIVE=$DEPENDENCY
            ARCHIVE_TYPE="static"
        elif [[ "$DEPENDENCY" =~ .*\.framework$ ]]; then

            info_plist="$DEPENDENCY/Info.plist"
            if [ -e $info_plist ]; then

                # Standard framework
                name=$(/usr/bin/defaults read "$info_plist" CFBundleExecutable)
                ARCHIVE="${DEPENDENCY}/$name"
                ARCHIVE_TYPE="framework"
            else

                # Static framework (static lib packaged as framework)
                name=$(echo "$DEPENDENCY" | /usr/bin/rev | /usr/bin/cut -d"/" -f1 | /usr/bin/cut -d"." -f2 | /usr/bin/rev)
                ARCHIVE="${DEPENDENCY}/$name"
                ARCHIVE_TYPE="static_framework"
            fi
        fi

        # Perform the checks
        echo "Checking Architectures: ${DEPENDENCY/$PATH/}" >> $REPORT_FILE
        archs=$(/usr/bin/lipo -info $ARCHIVE | /usr/bin/sed 's/.*are: //g')
        echo "Found Architectures: $archs" >> $REPORT_FILE

        # Check for required architectures
        for ARCH in $REQUIRED_ARCHS
        do
            # Check for required architectures
            echo "$ARCH: $(/usr/bin/grep -q "${ARCH}" <<< $archs && echo "TRUE" || echo "FALSE")" >> $REPORT_FILE

            # Check for Bitcode Support
            echo "$ARCH Bitcode: $(/usr/bin/otool -arch $ARCH -l $ARCHIVE | /usr/bin/grep -q __bitcode && echo "TRUE" || echo "FALSE")" >> $REPORT_FILE
        done
        echo "" >> $REPORT_FILE
    done < "$PATH"/.dependencies
    /bin/rm -rf "$PATH"/.dependencies
}

function main() {
    clean_report
    check_dependencies
}

main