#!/bin/sh -e
#  capture-build-details.sh
#  Trio
#
#  Created by Jonas Björkert on 2024-05-08.
# Enable debugging if needed
#set -x
info_plist_path="${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}/BuildDetails.plist"
# Ensure the path to BuildDetails.plist is valid.
if [ "${info_plist_path}" == "/" -o ! -e "${info_plist_path}" ]; then
    echo "BuildDetails.plist file does not exist at path: ${info_plist_path}" >&2
    exit 1
else
    echo "Gathering build details..."
    # Capture the current date and write it to BuildDetails.plist
    plutil -replace com-trio-build-date -string "$(date)" "${info_plist_path}"

    # Retrieve the current branch, if available
    git_branch=$(git symbolic-ref --short -q HEAD || echo "")

    # Attempt to retrieve the current tag
    git_tag=$(git describe --tags --exact-match 2>/dev/null || echo "")

    # Retrieve the current SHA of the latest commit
    git_commit_sha=$(git log -1 --format="%h" --abbrev=7)

    # Determine the branch or tag information, or fallback to SHA if in detached state
    git_branch_or_tag="${git_branch:-${git_tag}}"
    if [ -z "${git_branch_or_tag}" ]; then
        git_branch_or_tag="detached"
    fi

    # Update BuildDetails.plist with the branch or tag information
    plutil -replace com-trio-branch -string "${git_branch_or_tag}" "${info_plist_path}"

    # Update BuildDetails.plist with the SHA information
    plutil -replace com-trio-commit-sha -string "${git_commit_sha}" "${info_plist_path}"
fi