Create install_golang.sh

Author: Azathothas

Linux/install_golang.sh

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+
+#-------------------------------------------------------#
+## <DO NOT RUN STANDALONE, meant for CI Only>
+## Meant to Install & Setup Go
+###-----------------------------------------------------###
+
+#-------------------------------------------------------#
+##ENV
+set -euo pipefail
+GO_DIR="${HOME}/.go"
+GO_BIN_DIR="${HOME}/go/bin"
+TEMP_DIR="$(mktemp -d)"
+trap 'rm -rf "$TEMP_DIR"' EXIT
+#-------------------------------------------------------#
+
+#-------------------------------------------------------#
+##Architecture
+case "$(uname -m)" in
+    aarch64) ARCH="arm64" ;;
+    armv6l) ARCH="armv6l" ;;
+    armv7l) ARCH="armv6l" ;;
+    i?86) ARCH="386" ;;
+    s390x) ARCH="s390x" ;;
+    ppc64le) ARCH="ppc64le" ;;
+    x86_64) ARCH="amd64" ;;
+    *) echo "[-] Unsupported architecture: $(uname -m)" && exit 1 ;;
+esac
+echo "[+] Installing Go for linux-${ARCH}..."
+#-------------------------------------------------------#
+
+#-------------------------------------------------------#
+##Deps
+for cmd in curl find grep tar; do
+    command -v "${cmd}" >/dev/null || { echo "[-] Missing: ${cmd}" && exit 1; }
+done
+#-------------------------------------------------------#
+
+#-------------------------------------------------------#
+##Install
+#Clean Existing
+[[ -d "${GO_DIR}" ]] && rm -rf "${GO_DIR}"
+[[ -d "${GO_BIN_DIR}" ]] && rm -rf "${GO_BIN_DIR}"
+#Get Latest Version
+cd "${TEMP_DIR}"
+LATEST_VERSION="$(curl -qfsSL "https://golang.org/VERSION?m=text" | grep -Ev '[0-9]{4}[^0-9]?[0-1][0-9][^0-9]?[0-3][0-9]' | head -1 | tr -d '"'\''[:space:]')"
+[[ -z "${LATEST_VERSION}" || "${LATEST_VERSION}" == "null" ]] && { 
+    echo "[-] Failed to get latest Go version" && exit 1; 
+}
+DOWNLOAD_URL="https://golang.org/dl/${LATEST_VERSION}.linux-${ARCH}.tar.gz"
+echo "[+] Downloading Go ${LATEST_VERSION}..."
+#Download
+for i in {1..3}; do
+    curl -w "(DL) <== %{url}\n" -fSL "${DOWNLOAD_URL}" -o "go.tar.gz" && break
+    [[ $i -eq 3 ]] && { echo "[-] Download failed" && exit 1; }
+    echo "[!] Retry $i/3..."
+done
+#Extract and install
+tar -xzf "go.tar.gz"
+GO_SRC="$(find "." -maxdepth 1 -type d -name "*go*" | head -1)"
+[[ -z "${GO_SRC}" || ! -d "${GO_SRC}" ]] && { echo "[-] Extract failed" && exit 1; }
+mkdir -p "${HOME}"
+mv "${GO_SRC}" "${GO_DIR}"
+#Create GOPATH bin directory
+mkdir -p "${GO_BIN_DIR}"
+#-------------------------------------------------------#
+
+#-------------------------------------------------------#
+##Check
+export GOROOT="${GO_DIR}"
+export GOPATH="${HOME}/go"
+export PATH="${GO_DIR}/bin:${GO_BIN_DIR}:${PATH}"
+hash -r &>/dev/null
+command -v go >/dev/null || { echo "[-] Installation failed" && exit 1; }
+echo "[+] Success! Go version: $(go version)"
+echo "[+] GOROOT: ${GOROOT}"
+echo "[+] GOPATH: ${GOPATH}"
+echo "[|] PATH: export PATH=\"${GO_DIR}/bin:${GO_BIN_DIR}:\${PATH}\""
+#-------------------------------------------------------#