merge pull request #139 from zackbradys/main

added new installation method (`install.sh`)

README.md

@@ -12,10 +12,23 @@ For more information, please review the **[Hauler Documentation](https://rancher
 
 ## Installation
 
+### Linux/Darwin
 ```bash
-curl -#OL https://github.com/rancherfederal/hauler/releases/download/v0.3.0/hauler_0.3.0_linux_amd64.tar.gz
-tar -xf hauler_0.3.0_linux_amd64.tar.gz
-sudo mv hauler /usr/bin/hauler
+# install latest release
+curl -sfL https://get.hauler.dev | sh
+
+# install specific release
+curl -sfL https://get.hauler.dev | HAULER_VERSION=0.4.0 sh
+```
+
+### Windows
+```bash
+# coming soon
+```
+
+### Homebrew
+```bash
+# coming soon
 ```
 
 ## Acknowledgements

install.sh

@@ -0,0 +1,150 @@
+#!/bin/bash
+
+# Usage:
+#   - curl -sfL... | ENV_VAR=... sh
+#   - ENV_VAR=... sh ./install.sh
+#   - ./install.sh ENV_VAR=...
+
+# Example:
+#   Install Latest Release
+#     - curl -sfL https://get.hauler.dev | sh
+#   Install Specific Release
+#     - curl -sfL https://get.hauler.dev | HAULER_VERSION=0.4.0 sh
+
+# Documentation:
+#   - https://hauler.dev
+#   - https://github.com/rancherfederal/hauler
+
+# set functions for debugging/logging
+function info {
+    echo && echo "[INFO] Hauler: $1"
+}
+
+function verbose {
+    echo "$1"
+}
+
+function warn {
+    echo && echo "[WARN] Hauler: $1"
+}
+
+function fatal {
+    echo && echo "[ERROR] Hauler: $1"
+    exit 1
+}
+
+# check for required dependencies
+dependencies=("curl" "awk" "openssl" "tar" "sudo" "mv" "rm")
+
+for cmd in "${dependencies[@]}"; do
+    if ! command -v "$cmd" &> /dev/null; then
+        fatal "$cmd is not installed"
+    fi
+done
+
+# start hauler installation
+info "Starting Installation..."
+
+# set version with an environment variable
+version=${HAULER_VERSION:-0.4.0}
+
+# set verision with an argument
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    HAULER_VERSION=*)
+      version="${1#*=}"
+      shift
+      ;;
+    *)
+      shift
+      ;;
+  esac
+done
+
+# detect the operating system
+platform=$(uname -s | tr '[:upper:]' '[:lower:]')
+case $platform in
+    linux)
+        platform="linux"
+        ;;
+    darwin)
+        platform="darwin"
+        ;;
+    *)
+        fatal "Unsupported Platform: $platform"
+        ;;
+esac
+
+# detect the architecture
+arch=$(uname -m)
+case $arch in
+    x86_64 | x86-32 | x64 | x32 | amd64)
+        arch="amd64"
+        ;;
+    aarch64 | arm64)
+        arch="arm64"
+        ;;
+    *)
+        fatal "Unsupported Architecture: $arch"
+        ;;
+esac
+
+# display the version, platform, and architecture
+verbose "- Version: v$version"
+verbose "- Platform: $platform"
+verbose "- Architecture: $arch"
+
+# download the checksum file
+if ! curl -sOL "https://github.com/rancherfederal/hauler/releases/download/v${version}/hauler_${version}_checksums.txt"; then
+    fatal "Failed to Download: hauler_${version}_checksums.txt"
+fi
+
+# download the archive file
+if ! curl -sOL "https://github.com/rancherfederal/hauler/releases/download/v${version}/hauler_${version}_${platform}_${arch}.tar.gz"; then
+    fatal "Failed to Download: hauler_${version}_${platform}_${arch}.tar.gz"
+fi
+
+# start hauler checksum verification
+info "Starting Checksum Verification..."
+
+# Verify the Hauler checksum
+expected_checksum=$(awk -v version="$version" -v platform="$platform" -v arch="$arch" '$2 == "hauler_"version"_"platform"_"arch".tar.gz" {print $1}' "hauler_${version}_checksums.txt")
+if [ -z "$expected_checksum" ]; then
+    fatal "Failed to Locate Checksum: hauler_${version}_${platform}_${arch}.tar.gz"
+fi
+
+determined_checksum=$(openssl dgst -sha256 "hauler_${version}_${platform}_${arch}.tar.gz" | awk '{print $2}')
+if [ "$determined_checksum" != "$expected_checksum" ]; then
+    fatal "Failed to Verify Checksum: Expected: $expected_checksum - Determined: $determined_checksum"
+fi
+
+# hauler checksum verified
+verbose "- Successfully Verified Checksum"
+
+# uncompress the archive
+tar -xzf "hauler_${version}_${platform}_${arch}.tar.gz" || fatal "Failed to Extract: hauler_${version}_${platform}_${arch}.tar.gz"
+
+# install the binary
+case "$platform" in
+    linux)
+        sudo mv hauler /usr/local/bin || fatal "Failed to Move: hauler to /usr/local/bin"
+        ;;
+    darwin)
+        sudo mv hauler /usr/local/bin || fatal "Failed to Move: hauler to /usr/local/bin"
+        ;;
+    *)
+        fatal "Unsupported Platform/Architecture: $platform/$arch"
+        ;;
+esac
+
+# clean up the files
+rm "hauler_${version}_checksums.txt" "hauler_${version}_${platform}_${arch}.tar.gz" || warn "Failed to Remove: hauler_${version}_checksums.txt hauler_${version}_${platform}_${arch}.tar.gz"
+
+# display success message
+info "Successfully Installed at /usr/local/bin/hauler"
+
+# display availability message
+verbose "- Hauler v${version} is now available for use!"
+
+# display hauler docs message
+verbose "- Documentation: https://hauler.dev" && echo