91 lines
2.6 KiB
Bash
Executable File
91 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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set -e
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set -o pipefail
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# Set to "latest" for the latest build.
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: ${REALM_CORE_VERSION:=1.4.0}
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if [ "$1" = '--version' ]; then
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echo "$REALM_CORE_VERSION"
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exit 0
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fi
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# The 'node' argument will result in realm-node build being downloaded.
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if [ "$1" = 'node' ]; then
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CORE_DIR="core-node"
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if [ "$(uname)" = 'Darwin' ]; then
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CORE_DOWNLOAD_FILE="realm-core-node-osx-$REALM_CORE_VERSION.tar.gz"
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else
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CORE_DOWNLOAD_FILE="realm-core-node-linux-$REALM_CORE_VERSION.tar.gz"
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fi
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else
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CORE_DIR='core'
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CORE_DOWNLOAD_FILE="realm-core-$REALM_CORE_VERSION.tar.xz"
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fi
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# Start current working directory at the root of the project.
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cd "$(dirname "$0")/.."
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die() {
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echo "$@" >&2
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exit 1
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}
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download_core() {
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echo "Downloading dependency: $CORE_DIR $REALM_CORE_VERSION"
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local TMP_DIR="${TMPDIR:-/tmp}/core_bin"
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local CORE_TAR="$TMP_DIR/$CORE_DOWNLOAD_FILE"
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local CORE_TMP_TAR="$CORE_TAR.tmp"
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mkdir -p "$TMP_DIR"
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if [ ! -f "$CORE_TAR" ]; then
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curl -f -L -s "https://static.realm.io/downloads/core/$CORE_DOWNLOAD_FILE" -o "$CORE_TMP_TAR" ||
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die "Downloading $CORE_DIR failed. Please try again once you have an Internet connection."
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mv "$CORE_TMP_TAR" "$CORE_TAR"
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else
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echo "Using cached $CORE_DIR from TMPDIR"
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fi
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(
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cd "$TMP_DIR"
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rm -rf "$CORE_DIR"
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tar -xzf "$CORE_TAR"
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mv core "$CORE_DIR-$REALM_CORE_VERSION"
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)
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rm -rf "$CORE_DIR-$REALM_CORE_VERSION" "$CORE_DIR"
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mv "$TMP_DIR/$CORE_DIR-$REALM_CORE_VERSION" .
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ln -s "$CORE_DIR-$REALM_CORE_VERSION" "$CORE_DIR"
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}
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check_release_notes() {
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grep -Fqi "$REALM_CORE_VERSION RELEASE NOTES" "$@"
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}
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if [ ! -e "$CORE_DIR" ]; then
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download_core
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elif [ -d "$CORE_DIR" -a -d ../realm-core -a ! -L "$CORE_DIR" ]; then
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# Allow newer versions than expected for local builds as testing
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# with unreleased versions is one of the reasons to use a local build
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if ! check_release_notes "$CORE_DIR/release_notes.txt"; then
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die "Local build of core is out of date."
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else
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echo "The core library seems to be up to date."
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fi
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elif [ ! -L "$CORE_DIR" ]; then
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echo "$CORE_DIR is not a symlink. Deleting..."
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rm -rf "$CORE_DIR"
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download_core
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# With a prebuilt version we only want to check the first non-empty
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# line so that checking out an older commit will download the
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# appropriate version of core if the already-present version is too new
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elif ! grep -m 1 . "$CORE_DIR/release_notes.txt" | check_release_notes; then
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download_core
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else
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echo "The core library seems to be up to date."
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fi
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