realm-js/scripts/download-core.sh

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Executable File

#!/bin/bash
set -e
set -o pipefail
# Set to "latest" for the latest build.
: ${REALM_CORE_VERSION:=2.1.0}
: ${REALM_SYNC_VERSION:=1.0.0-BETA-3.3}
if [ "$1" = '--version' ]; then
echo "$REALM_CORE_VERSION"
exit 0
fi
# The 'node' argument will result in realm-node build being downloaded.
if [ "$1" = 'node' ]; then
CORE_DIR="core-node"
if [ "$(uname)" = 'Darwin' ]; then
PLATFORM_TAG="node-osx-"
CORE_DOWNLOAD_FILE="realm-core-node-osx-$REALM_CORE_VERSION.tar.gz"
else
PLATFORM_TAG="node-linux-"
CORE_DOWNLOAD_FILE="realm-core-node-linux-$REALM_CORE_VERSION.tar.gz"
fi
else
CORE_DIR='core'
PLATFORM_TAG=""
fi
SYNC_DIR='sync'
SYNC_PLATFORM_TAG="cocoa-"
CORE_DOWNLOAD_FILE="realm-core-$PLATFORM_TAG$REALM_CORE_VERSION.tar.xz"
SYNC_DOWNLOAD_FILE="realm-sync-$SYNC_PLATFORM_TAG$REALM_SYNC_VERSION.tar.xz"
# Start current working directory at the root of the project.
cd "$(dirname "$0")/.."
die() {
echo "$@" >&2
exit 1
}
download_core() {
local DIR=$1
local VERSION=$2
local DOWNLOAD_FILE=$3
local SERVER_DIR=$4
echo "Downloading dependency: $DIR $VERSION"
local TMP_DIR="${TMPDIR:-/tmp}/$DIR"
local TAR="$TMP_DIR/$DOWNLOAD_FILE"
local TMP_TAR="$TAR.tmp"
mkdir -p "$TMP_DIR"
if [ ! -f "$TAR" ]; then
echo "https://static.realm.io/downloads/$SERVER_DIR/$DOWNLOAD_FILE"
curl -f -L -s "https://static.realm.io/downloads/$SERVER_DIR/$DOWNLOAD_FILE" -o "$TMP_TAR" ||
die "Downloading $DIR failed. Please try again once you have an Internet connection."
mv "$TMP_TAR" "$TAR"
else
echo "Using cached $DIR from TMPDIR"
fi
(
cd "$TMP_DIR"
rm -rf "$DIR"
tar -xzf "$TAR"
mv core "$DIR-$VERSION"
)
(
cd vendor
rm -rf "$DIR-$VERSION" "$DIR"
mv "$TMP_DIR/$DIR-$VERSION" .
ln -s "$DIR-$VERSION" "$DIR"
)
}
check_release_notes() {
grep -Fqi "$REALM_CORE_VERSION RELEASE NOTES" "$@"
}
if [ ! -e "vendor/$CORE_DIR" ]; then
download_core $CORE_DIR $REALM_CORE_VERSION $CORE_DOWNLOAD_FILE core
elif [ -d "vendor/$CORE_DIR" -a -d ../realm-core -a ! -L "vendor/$CORE_DIR" ]; then
# Allow newer versions than expected for local builds as testing
# with unreleased versions is one of the reasons to use a local build
if ! check_release_notes "vendor/$CORE_DIR/CHANGELOG.txt"; then
die "Local build of core is out of date."
else
echo "The core library seems to be up to date."
fi
elif [ ! -L "vendor/$CORE_DIR" ]; then
echo "vendor/$CORE_DIR is not a symlink. Deleting..."
rm -rf "vendor/$CORE_DIR"
download_core $CORE_DIR $REALM_CORE_VERSION $CORE_DOWNLOAD_FILE core
# With a prebuilt version we only want to check the first non-empty
# line so that checking out an older commit will download the
# appropriate version of core if the already-present version is too new
elif ! grep -m 1 . "vendor/$CORE_DIR/CHANGELOG.txt" | check_release_notes; then
download_core $CORE_DIR $REALM_CORE_VERSION $CORE_DOWNLOAD_FILE core
else
echo "The core library seems to be up to date."
fi
if [ ! -e "vendor/$SYNC_DIR" ]; then
download_core $SYNC_DIR $REALM_SYNC_VERSION $SYNC_DOWNLOAD_FILE sync
elif [ -d "vendor/$SYNC_DIR" -a -d ../realm-sync -a ! -L "vendor/$SYNC_DIR" ]; then
# Allow newer versions than expected for local builds as testing
# with unreleased versions is one of the reasons to use a local build
if ! check_release_notes "vendor/$SYNC_DIR/version.txt"; then
die "Local build of sync is out of date."
else
echo "The sync library seems to be up to date."
fi
elif [ ! -L "vendor/$SYNC_DIR" ]; then
echo "vendor/$SYNC_DIR is not a symlink. Deleting..."
rm -rf "vendor/$SYNC_DIR"
download_core $SYNC_DIR $REALM_SYNC_VERSION $SYNC_DOWNLOAD_FILE sync
# With a prebuilt version we only want to check the first non-empty
# line so that checking out an older commit will download the
# appropriate version of core if the already-present version is too new
elif ! grep -m 1 . "vendor/$SYNC_DIR/version.txt" | check_release_notes; then
download_core $SYNC_DIR $REALM_SYNC_VERSION $SYNC_DOWNLOAD_FILE sync
else
echo "The sync library seems to be up to date."
fi