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uncloud/scripts/install_cli.sh
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#!/bin/sh
set -e
GITHUB_REPO="psviderski/uncloud"
INSTALL_DIR=${INSTALL_DIR:-/usr/local/bin}
# Use the latest version or specify the version to install:
# curl ... | VERSION=v1.2.3 sh
VERSION=${VERSION:-latest}
print_manual_install() {
RELEASES_URL="https://github.com/${GITHUB_REPO}/releases/${VERSION}"
echo "Failed while attempting to install uncloud CLI. You can install it manually:"
echo " 1. Open your web browser and go to ${RELEASES_URL}"
echo " 2. Download uc_<OS>_<ARCH>.tar.gz for your platform (OS: linux/macos, ARCH: amd64/arm64)."
echo " 3. Extract the 'uc' binary from the archive: tar -xvf uc_*.tar.gz"
echo " 4. Install the binary to /usr/local/bin: sudo install ./uc ${INSTALL_DIR}/uc"
echo " 5. Delete the downloaded archive and extracted binary: rm uc*"
echo " 6. Run 'uc --help' to verify the installation. Enjoy! ✨"
}
fetch_latest_version() {
latest_url="https://github.com/${GITHUB_REPO}/releases/latest"
VERSION=$(curl -fsSLI -o /dev/null -w '%{url_effective}' "$latest_url" | grep -o 'tag/[^/]*$' | cut -d'/' -f2)
if [ -z "$VERSION" ]; then
echo "Failed to fetch the latest version from GitHub."
print_manual_install
exit 1
fi
}
# Check if not running as root and need to use sudo to write to INSTALL_DIR.
SUDO=""
if [ "$(id -u)" != "0" ] && [ ! -w "$INSTALL_DIR" ]; then
if ! command -v sudo >/dev/null 2>&1; then
echo "Please run this script as root or install sudo."
print_manual_install
exit 1
fi
SUDO="sudo"
fi
# Detect the user OS and architecture.
OS=$(uname -s)
ARCH=$(uname -m)
case "$OS" in
Darwin) BINARY_OS="macos" ;;
Linux) BINARY_OS="linux" ;;
*)
echo "There is no uncloud CLI support for $OS/$ARCH. Please open a GitHub issue if you would like to request support."
exit 1
;;
esac
case "$ARCH" in
aarch64 | arm64) BINARY_ARCH="arm64" ;;
x86_64) BINARY_ARCH="amd64" ;;
*)
echo "There is no uncloud CLI support for $OS/$ARCH. Please open a GitHub issue if you would like to request support."
exit 1
;;
esac
# Use the latest version if not specified explicitly.
if [ "$VERSION" = "latest" ]; then
fetch_latest_version
fi
BINARY_NAME="uc_${BINARY_OS}_${BINARY_ARCH}.tar.gz"
BINARY_URL="https://github.com/${GITHUB_REPO}/releases/download/${VERSION}/${BINARY_NAME}"
CHECKSUM_URL="https://github.com/${GITHUB_REPO}/releases/download/$VERSION/checksums.txt"
# Create a temporary directory for downloads.
TMP_DIR=$(mktemp -d)
trap 'rm -rf "$TMP_DIR"' EXIT
# Download the binary and checksums file.
echo "Downloading uc binary ${VERSION} ${BINARY_URL}"
curl -fsSL "$BINARY_URL" -o "${TMP_DIR}/${BINARY_NAME}"
curl -fsSL "$CHECKSUM_URL" -o "${TMP_DIR}/checksums.txt"
echo "Download complete."
echo "Verifying checksum..."
cd "$TMP_DIR"
if ! sha256sum --check --ignore-missing "checksums.txt"; then
echo "Checksum verification failed."
print_manual_install
exit 1
fi
echo "Checksum is valid."
# Decompress and install the binary.
tar -xf "${BINARY_NAME}"
if [ -z "${SUDO}" ]; then
echo "Installing uc binary to ${INSTALL_DIR}"
else
echo "Installing uc binary to ${INSTALL_DIR} using sudo. You may be prompted for your password."
fi
if ! $SUDO install ./uc "${INSTALL_DIR}/uc"; then
echo "Failed to install uc binary to ${INSTALL_DIR}"
print_manual_install
exit 1
fi
echo "Successfully installed uc binary ${VERSION} to ${INSTALL_DIR}/uc ✨"