add downloader

.github/workflows/release.yml

@@ -33,5 +33,5 @@ jobs:
         goarch: ${{ matrix.goarch }}
         project_path: "./app/main"
         binary_name: "git-webhook-receiver"
-        extra_files: config.json.example LICENSE README.md
+        extra_files: config.json.example LICENSE README.md download_latest.sh
         ldflags: -X "main.version=${{ env.APP_VERSION }}" -X "main.buildTime=${{ env.BUILD_TIME }}" -X main.gitCommit=${{ github.sha }}

download_latest.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# Assign the GitHub API URL to a variable
+github_api_url="https://api.github.com/repos/pobyzaarif/git-webhook-receiver/releases/latest"
+
+# Step 1: Fetch the JSON response from the GitHub API using curl and store it in a variable
+response=$(curl -s "$github_api_url")
+
+# Function to extract value from JSON response based on field name
+extract_field_value() {
+    local field_name=$1
+    local value=$(echo "$response" | grep -o "\"$field_name\": \"[^\"]*\"" | sed -n "s/\"$field_name\": \"\(.*\)\"/\1/p")
+    echo "$value"
+}
+
+# Extract tag_name and published_at values from the JSON response
+tag_name=$(extract_field_value "tag_name")
+published_at=$(extract_field_value "published_at")
+
+# Display tag_name and published_at
+echo "Latest release:"
+echo "Tag Name: $tag_name"
+echo "Published At: $published_at"
+
+# Step 2: Extract asset names and create a prompt for the user to choose
+assets=$(echo "$response" | grep -o "\"name\": \"[^\"]*\"" | sed -n "s/\"name\": \"git-webhook-receiver-\(.*\).tar.gz\"/\1/p")
+IFS=$'\n' read -rd '' -a assets_array <<< "$assets"
+
+# Display the prompt for the user to choose an asset
+echo "Choose an asset to download:"
+
+# Loop through the assets and display a numbered list
+for i in "${!assets_array[@]}"; do
+    echo "$((i + 1)). ${assets_array[$i]}"
+done
+
+# Read user input for the chosen asset
+read -p "Enter the number of the asset you want to download: " choice
+
+# Validate user input and download the selected asset
+if [[ $choice =~ ^[0-9]+$ && $choice -ge 1 && $choice -le ${#assets_array[@]} ]]; then
+    selected_asset_index=$((choice - 1))
+    selected_asset="${assets_array[selected_asset_index]}"
+
+    # Get the download URL for the selected asset using awk
+    download_url=$(echo "$response" | awk -v idx="${selected_asset_index}" -F'"' '/"browser_download_url"/ { if (idx-- == 0) print $4 }')
+
+    # Construct the output filename without special characters
+    output_filename="git-webhook-receiver-${selected_asset}.tar.gz"
+
+    # Display the download URL for debugging
+    echo "Download URL: $download_url"
+
+    # Download the selected asset
+    echo "Downloading $output_filename..."
+    curl -L "$download_url" -o "$output_filename"
+    echo "Download complete!"
+else
+    echo "Invalid choice. Please enter a valid number corresponding to the asset you want to download."
+fi