linux-shell-scripts/go-install at master · lukaz17/linux-shell-scripts · GitHub

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#!/bin/sh

################################################################################
#
#  go-install
#
#  Install/Update Go for current user. This also works as a version manager.
#  If version is not specified, the latest version will be installed.
#
#  Homepage: https://go.dev/
#
#  Usage:
#    go-install [<version>]
#
#  Example:
#    go-install
#    go-install 1.24.7
#    go-install v1.24.7
#
#  MIT License.
#  Copyright (C) 2025 Nguyen Nhat Tung.
#
################################################################################

set -e

# Application info
PROGRAM_ID="go"

# Shared library
CTXDIR="$(cd "$(dirname "$0")" && pwd)"
. "${CTXDIR}/shared/install-common.sh"
. "${CTXDIR}/shared/install-source.sh"

# ------------------------------------------------------------------------------
# Get latest Go version
# ------------------------------------------------------------------------------
get_install_version_from_godev() {
	_fallback_version="${1}"
	if [ -z "${_fallback_version}" ]; then
		INSTALL_VERSION="$(curl -fsSL "https://go.dev/VERSION?m=text" | head -n 1)"
	else
		INSTALL_VERSION="${_fallback_version}"
	fi
	INSTALL_VERSION="${INSTALL_VERSION#go}"
	normalize_install_version
	echo "> Latest Version:  ${INSTALL_VERSION}"
}

# Prepare environment
get_install_version_from_godev "$1"
init_install_env "${PROGRAM_ID}" "${INSTALL_VERSION}"

# Download and install binaries
if [ ! -d "${INSTALL_TARGET}" ]; then
	BIN_ARCH_URI_AMD64="$(get_download_uri_amd64 "${PROGRAM_ID}" "${INSTALL_VERSION}")"
	BIN_ARCH_URI_ARM64="$(get_download_uri_arm64 "${PROGRAM_ID}" "${INSTALL_VERSION}")"
	BIN_ARCH_TMP_FILE="${TEMP_TARGET}.tar.gz"
	download_uri_per_arch "${BIN_ARCH_URI_AMD64}" "${BIN_ARCH_URI_ARM64}" "${BIN_ARCH_TMP_FILE}"
	create_dir "${TEMP_TARGET}"
	extract_archive "${BIN_ARCH_TMP_FILE}" "tar" "${TEMP_TARGET}"
	remove_item "${BIN_ARCH_TMP_FILE}"
	move_item "${TEMP_TARGET}/go" "${INSTALL_TARGET}"
	remove_item "${TEMP_TARGET}"
fi

# Finalize install
symlink_item_overwrite "${INSTALL_TARGET}" "${ACTIVE_TARGET}"
cat << EOF > "${INSTALL_ROOT}/env.sh"
export GOROOT="${ACTIVE_TARGET}"
export GOPATH="\$HOME/go"
export PATH="\$GOROOT/bin:\$GOPATH/bin:\$PATH"
EOF
append_text_idempotent "\n# go" "${USER_PROFILE_RC}"
append_text_idempotent ". \"${INSTALL_ROOT}/env.sh\"" "${USER_PROFILE_RC}"
finalize_install