Download release assets (#3)

Author: Kylmakalle

download-release-assets.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Usage: ./download-release.sh owner repo tag "asset1 asset2 asset3"
+# Example: ./download-release.sh cli cli v1.0.0 "cli-linux-amd64 cli-darwin-amd64 cli-windows-amd64.exe"
+
+if [ "$#" -lt 4 ]; then
+    echo "Usage: $0 owner repo tag \"asset1 asset2 ...\""
+    echo "Example: $0 kubernetes kubectl v1.28.0 \"kubectl-linux-amd64.tar.gz kubectl-darwin-amd64.tar.gz\""
+    exit 1
+fi
+
+OWNER=$1
+REPO=$2
+TAG=$3
+ASSETS=$4
+
+# Get the release information once
+RELEASE_INFO=$(curl -s "https://api.github.com/repos/$OWNER/$REPO/releases/tags/$TAG")
+
+if [ $? -ne 0 ]; then
+    echo "Error: Failed to fetch release information"
+    exit 1
+fi
+
+# Function to download a single asset
+download_asset() {
+    local asset_name=$1
+    local asset_url=$(echo "$RELEASE_INFO" | grep -o "https://.*$asset_name" | head -n1)
+    
+    if [ -z "$asset_url" ]; then
+        echo "Warning: Asset '$asset_name' not found in release"
+        return 1
+    fi
+
+    echo "Downloading $asset_name..."
+    curl -L -H "Accept: application/octet-stream" \
+         --progress-bar \
+         -o "$asset_name" \
+         "$asset_url"
+    
+    if [ $? -eq 0 ]; then
+        echo "✓ Successfully downloaded: $asset_name"
+        return 0
+    else
+        echo "✗ Failed to download: $asset_name"
+        return 1
+    fi
+}
+
+# Initialize counters
+total=0
+successful=0
+
+# Download each asset
+for asset in $ASSETS; do
+    total=$((total + 1))
+    if download_asset "$asset"; then
+        successful=$((successful + 1))
+    fi
+    echo "----------------------------------------"
+done
+
+# Print summary
+echo "Download Summary:"
+echo "Successfully downloaded: $successful/$total assets"
+if [ $successful -ne $total ]; then
+    echo "Failed downloads: $((total - successful))"
+    exit 1
+fi