Merge pull request #3 from dasginganinja/build-local

Adds a script to download the latest release - prebuilt asset - or bu…

download_and_build.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# Define the GitHub repository owner, repository name, and binary name
+repo_owner="dasginganinja"
+repo_name="drush-launcher"
+binary_name="drush-launcher"
+
+# Function to download the release asset from GitHub
+download_release_asset() {
+    download_url="https://github.com/${repo_owner}/${repo_name}/releases/download/${latest_release}/${binary_name}-${GOOS}-${GOARCH}"
+    echo "Downloading ${latest_release} release..."
+    curl -L -o "${binary_name}" "$download_url"
+}
+
+# Check if the user specified the target architecture and OS via environment variables
+if [ -n "$GOOS" ] && [ -n "$GOARCH" ]; then
+    echo "Using user-specified target architecture: ${GOOS}-${GOARCH}"
+else
+    # Detect the operating system
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        GOOS="linux"
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        GOOS="darwin"
+    elif [[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" || "$OSTYPE" == "win32" ]]; then
+        GOOS="windows"
+    else
+        echo "Unsupported operating system: $OSTYPE"
+        exit 1
+    fi
+
+    # Detect the architecture
+    if [[ "$GOOS" == "windows" ]]; then
+        GOARCH="$PROCESSOR_ARCHITECTURE"
+    else
+        GOARCH=$(uname -m)
+    fi
+fi
+
+# Fetch the latest release version using GitHub API
+latest_release=$(curl -s "https://api.github.com/repos/${repo_owner}/${repo_name}/releases/latest" | jq -r '.tag_name')
+
+# Check if the latest release version is available
+if [ -z "$latest_release" ]; then
+    echo "Failed to fetch the latest release version."
+    exit 1
+fi
+
+# Check if the required binary for the user's architecture exists in the latest release
+binary_filename="${binary_name}-${GOOS}-${GOARCH}"
+release_assets=$(curl -s "https://api.github.com/repos/${repo_owner}/${repo_name}/releases/tags/${latest_release}" | jq -r '.assets[].name')
+if [[ "$release_assets" == *"$binary_filename"* ]]; then
+    echo "Binary for ${GOOS}-${GOARCH} architecture found in the latest release."
+    download_release_asset
+else
+    echo "Binary for ${GOOS}-${GOARCH} architecture not found in the latest release. Attempting to build locally..."
+    go build -o "${binary_name}"
+fi
+
+# Make the binary executable
+chmod +x "${binary_name}"
+
+echo "The ${binary_name} binary is ready."