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#!/bin/sh
set -e
if [[ -z "${OUTPUT_CRYPTEX_SYMLINK_PATH}" ]]; then
exit 0
fi
if [[ "${SKIP_INSTALL}" = "YES" ]]; then
exit 0
fi
# Convert eg. `/System/Library/PrivateFrameworks` to `../../..`
RELATIVE_PATH_FROM_SYMLINK_TO_ROOT=$(echo "${CRYPTEX_SYMLINK_PATH}" | sed -E -e "s/\/[a-zA-Z0-9_]+/..\//g" -e "s/\/$//")
SYMLINK_VALUE="${RELATIVE_PATH_FROM_SYMLINK_TO_ROOT}${INSTALL_PATH}/${FULL_PRODUCT_NAME}"
OUTPUT_CRYPTEX_SYMLINK_DIR=`dirname ${OUTPUT_CRYPTEX_SYMLINK_PATH}`
if [[ ! -d ${OUTPUT_CRYPTEX_SYMLINK_DIR} ]]; then
mkdir -p ${OUTPUT_CRYPTEX_SYMLINK_DIR}
fi
if [[ -L "${OUTPUT_CRYPTEX_SYMLINK_PATH}" ]]; then
EXISTING_SYMLINK_VALUE=$(readlink "${OUTPUT_CRYPTEX_SYMLINK_PATH}")
if [[ "${EXISTING_SYMLINK_VALUE}" == "${SYMLINK_VALUE}" ]]; then
exit 0
fi
echo "warning: existing symlink is incorrect; expected ${SYMLINK_VALUE}, got ${EXISTING_SYMLINK_VALUE}"
elif [[ -e "${OUTPUT_CRYPTEX_SYMLINK_PATH}" ]]; then
echo "error: expected a symlink at ${OUTPUT_CRYPTEX_SYMLINK_PATH}"
exit 1
fi
ln -sf "${SYMLINK_VALUE}" "${OUTPUT_CRYPTEX_SYMLINK_PATH}"
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