download-realm.sh

download-realm.sh

#!/bin/sh

# file: node_modules/realm/scripts/download-realm.sh
# cwd: node_modules/realm
cd "$(dirname $0)/.."

source ./dependencies.list
VENDOR_DIR="vendor"
LOCKFILE_NAME="download-realm.lock"
NEW_CORE_SERVER_FOLDER="core/v${REALM_CORE_VERSION}"
NEW_SYNC_SERVER_FOLDER="sync"
TARGET_FLAVOR="Release"
ENABLE_DEBUG=""
ENABLE_FORCE=""
ENABLE_SYNC=""
TARGET_ARCH=""
TARGET_OS="$1"
shift

until [[ $# -eq 0 ]]; do
    case "$1" in
    --arch*)
        TARGET_ARCH=$2
        shift
        shift
        ;;
    --debug*)
        ENABLE_DEBUG=1
        TARGET_FLAVOR="Debug"
        shift
        ;;
    --force*)
        ENABLE_FORCE=1
        shift
        ;;
    --sync*)
        ENABLE_SYNC=1
        shift
        ;;
    *)
        shift
        ;;
    esac
done

if [[ -d "$TMPDIR" ]]; then
    TEMP_DIR="$TMPDIR"
elif [[ -d "$TMP" ]]; then
    TEMP_DIR="$TMP"
elif [[ -d /var/tmp ]]; then
    TEMP_DIR="/var/tmp"
else
    TEMP_DIR="/tmp"
fi

REALM_DIR="${VENDOR_DIR}/realm-${TARGET_OS}"
if [[ "win" == "$TARGET_OS" ]]; then
    if [[ -z "$TARGET_ARCH" ]]; then
        echo "Specifying '--arch' is required for platform 'win'"
        exit 1
    fi
    if [[ "ia32" == "$TARGET_ARCH" ]]; then
        TARGET_ARCH="Win32"
    fi
    REALM_DIR="${REALM_DIR}-${TARGET_ARCH}"
fi
if [[ "ios" == "$TARGET_OS" ]]; then
    if [[ "Debug" == "$TARGET_FLAVOR" ]]; then
        TARGET_FLAVOR="MinSizeDebug"
    fi
fi
if [[ "1" == "$ENABLE_DEBUG" ]]; then
    REALM_DIR="${REALM_DIR}-dbg"
fi

case "$TARGET_OS" in
    mac)
        NEW_CORE_SERVER_FOLDER="${NEW_CORE_SERVER_FOLDER}/macos/${TARGET_FLAVOR}"
        NEW_CORE_ARCHIVE="realm-core-${TARGET_FLAVOR}-v${REALM_CORE_VERSION}-Darwin-devel.tar.gz"
        NEW_SYNC_ARCHIVE="realm-sync-node-cocoa-${REALM_SYNC_VERSION}.tar.gz"
        NEW_SYNC_ARCHIVE_ROOT="realm-sync-node-cocoa-${REALM_SYNC_VERSION}"
        ;;
    ios)
        NEW_CORE_SERVER_FOLDER="${NEW_CORE_SERVER_FOLDER}/ios/${TARGET_FLAVOR}"
        NEW_CORE_ARCHIVE="realm-core-${TARGET_FLAVOR}-v${REALM_CORE_VERSION}-iphoneos.tar.gz"
        NEW_SYNC_ARCHIVE="realm-sync-cocoa-${REALM_SYNC_VERSION}.tar.gz"
        NEW_SYNC_ARCHIVE_ROOT="core"
        ;;
    win)
        NEW_CORE_SERVER_FOLDER="${NEW_CORE_SERVER_FOLDER}/windows/${TARGET_ARCH}/nouwp/${TARGET_FLAVOR}"
        NEW_CORE_ARCHIVE="realm-core-${TARGET_FLAVOR}-v${REALM_CORE_VERSION}-Windows-${TARGET_ARCH}-devel.tar.gz"
        NEW_SYNC_ARCHIVE="realm-sync-${TARGET_FLAVOR}-v${REALM_SYNC_VERSION}-Windows-${TARGET_ARCH}-devel.tar.gz"
        ;;
    linux)
        NEW_CORE_SERVER_FOLDER="core"
        NEW_CORE_ARCHIVE="realm-core-${TARGET_FLAVOR}-v${REALM_CORE_VERSION}-Linux-devel.tar.gz"
        # flavor is ignored since we only publish Release mode
        NEW_SYNC_ARCHIVE="realm-sync-Release-v${REALM_SYNC_VERSION}-Linux-devel.tar.gz"
        ;;
    *)
        echo "Unsupported core platform '$TARGET_OS'"
        exit 1
        ;;
esac

download() {
    local tmp="${TEMP_DIR}/${2}"
    if [[ -e "$tmp" ]] && [[ "1" == "$ENABLE_FORCE" ]]; then
        rm -rf "$tmp"
    fi
    if [[ ! -f "$tmp" ]]; then
        local url="https://static.realm.io/downloads/$1/$2"
        echo "Downloading $url"
        curl "$url" --output "$tmp"
    fi
}
extract() {
    local tmp="${TEMP_DIR}/${1%%.*}"
    local src="$tmp"
    if [[ -n "$2" ]]; then
        src="$src/$2"
    fi

    echo "Extracting $1 => $tmp"
    rm -rf "$tmp"
    mkdir -p "$tmp"
    tar -zxf "${TEMP_DIR}/$1" -C "$tmp"

    rm -rf "$REALM_DIR"
    echo "Moving" $(mv -v "$src" "$REALM_DIR")
}

LOCKFILE="$REALM_DIR/$LOCKFILE_NAME"
if [[ "1" == "$ENABLE_FORCE" ]]; then
    echo 'Skipping lockfile check as --force is enabled'
elif [[ -f "$LOCKFILE" ]]; then
    source "$LOCKFILE"
    if [[ "1" == "$ENABLE_SYNC" ]]; then
        if [ "$SYNC_ARCHIVE" = "$NEW_SYNC_ARCHIVE" ] \
        && [ "$SYNC_ARCHIVE_ROOT" = "$NEW_SYNC_ARCHIVE_ROOT" ] \
        && [ "$SYNC_SERVER_FOLDER" = "$NEW_SYNC_SERVER_FOLDER" ];
        then
            echo 'Matching lockfile already exists at target - nothing to do (use --force to override)'
            exit 0
        fi
    else
        if [ "$CORE_ARCHIVE" = "$NEW_CORE_ARCHIVE" ] \
        && [ "$CORE_SERVER_FOLDER" = "$NEW_CORE_SERVER_FOLDER" ];
        then
            echo 'Matching lockfile already exists at target - nothing to do (use --force to override)'
            exit 0
        fi
    fi
    echo 'Target directory has a differing lockfile, overwriting.'
else
    echo 'No lockfile found at the target, proceeding.'
fi
if [[ "1" == "$ENABLE_SYNC" ]]; then
    download $NEW_SYNC_SERVER_FOLDER $NEW_SYNC_ARCHIVE
    extract $NEW_SYNC_ARCHIVE $NEW_SYNC_ARCHIVE_ROOT

    echo "SYNC_ARCHIVE=$NEW_SYNC_ARCHIVE" > "$LOCKFILE"
    echo "SYNC_ARCHIVE_ROOT=$NEW_SYNC_ARCHIVE_ROOT" >> "$LOCKFILE"
    echo "SYNC_SERVER_FOLDER=$NEW_SYNC_SERVER_FOLDER" >> "$LOCKFILE"
else
    download $NEW_CORE_SERVER_FOLDER $NEW_CORE_ARCHIVE
    extract $NEW_CORE_ARCHIVE

    echo "CORE_ARCHIVE=$NEW_CORE_ARCHIVE" > "$LOCKFILE"
    echo "CORE_SERVER_FOLDER=$NEW_CORE_SERVER_FOLDER" >> "$LOCKFILE"
fi