Merge pull request #85 from dagimg-dot/feat-install-script

Script installer for Linux

scripts/install.sh

@@ -0,0 +1,134 @@
+#!/usr/bin/env bash
+
+# Downloads the latest tarball from https://github.com/amir1376/ab-download-manager/releases and unpacks it into ~/.local/.
+# Creates a .desktop entry for the app in ~/.local/share/applications based on FreeDesktop specifications.
+
+set -euo pipefail
+
+# Get the latest version of the app from the GitHub API
+get_latest_version() {
+    curl -s https://api.github.com/repos/amir1376/ab-download-manager/releases/latest | jq -r '.tag_name'
+}
+
+APP_NAME="ABDownloadManager"
+PLATFORM="linux"
+EXT="tar.gz"
+LATEST_VERSION=$(get_latest_version)
+ASSET_NAME=${APP_NAME}_${LATEST_VERSION:1}_${PLATFORM}.${EXT}
+BINARY_PATH=$HOME/.local/$APP_NAME/bin/$APP_NAME
+
+# Check if curl, jq, and tar are installed
+check_dependencies() {
+    for cmd in curl jq tar; do
+        if ! command -v "$cmd" &>/dev/null; then
+            print_message "Error: $cmd is not installed. Please install it and try again."
+            exit 1
+        fi
+    done
+}
+
+# Get the download URL for the latest version of the app
+get_download_url() {
+    echo "https://github.com/amir1376/ab-download-manager/releases/download/${LATEST_VERSION}/$ASSET_NAME"
+}
+
+close_if_running() {
+    pid=$(pidof -s "$APP_NAME")
+
+    if [ -n "$pid" ]; then
+        kill -9 "$pid"
+        echo "Closed running instance of AB Download Manager before updating."
+    fi
+}
+
+# Delete the old version of the app if it exists
+delete_old_version() {
+    close_if_running
+    rm -rf "$HOME/.local/$APP_NAME"
+    rm -rf "$HOME/.local/bin/$APP_NAME"
+    echo "Old version of AB Download Manager deleted"
+}
+
+# Check if the app is installed
+check_if_installed() {
+    local installed_version
+    installed_version=$($APP_NAME --version 2>/dev/null)
+    if [ -n "$installed_version" ]; then
+        echo "$installed_version"
+    else
+        echo ""
+    fi
+}
+
+# Generate a .desktop file for the app
+generate_desktop_file() {
+    desktop_file_content="[Desktop Entry]
+Name=AB Download Manager
+Comment=Manage and organize your download files better than before
+GenericName=Downloader
+Categories=Utility;Network;
+Exec=$BINARY_PATH
+Icon=$HOME/.local/$APP_NAME/lib/$APP_NAME.png
+Terminal=false
+Type=Application
+StartupWMClass=com-abdownloadmanager-desktop-AppKt"
+
+    echo "$desktop_file_content" >"$HOME/.local/share/applications/abdownloadmanager.desktop"
+}
+
+# Download the latest version of the app
+download_zip() {
+    echo "Downloading AB Download Manager ..."
+    url=$(get_download_url)
+    curl -L -o "/tmp/$ASSET_NAME" "$url"
+    echo "Download Finished"
+}
+
+# Install the app
+install_app() {
+    echo "Installing AB Download Manager ..."
+    mkdir -p "$HOME/.local"
+    tar -xzf "/tmp/$ASSET_NAME" -C "$HOME/.local"
+
+    # Setup ~/.local directories
+    mkdir -p "$HOME/.local/bin" "$HOME/.local/share/applications"
+
+    # Link the binary to ~/.local/bin
+    ln -s "$BINARY_PATH" "$HOME/.local/bin/$APP_NAME"
+
+    # Create a .desktop file in ~/.local/share/applications
+    generate_desktop_file
+
+    echo "AB Download Manager installed successfully"
+    echo "Open it from your Applications menu or run '$APP_NAME' from the terminal"
+    echo "Make sure $HOME/.local/bin is in your PATH"
+}
+
+# Update the app
+update_app() {
+    echo "Checking update..."
+    if [ "$1" != "${LATEST_VERSION:1}" ]; then
+        echo "An update is available: v${LATEST_VERSION:1}. Updating..."
+        download_zip
+        delete_old_version
+        install_app
+    else
+        echo "You have the latest version installed."
+        exit 0
+    fi
+}
+
+main() {
+    local installed_version
+    check_dependencies
+    installed_version=$(check_if_installed)
+    if [ -n "$installed_version" ]; then
+        echo "AB Download Manager v$installed_version is currently installed"
+        update_app "$installed_version"
+    else
+        download_zip
+        install_app
+    fi
+}
+
+main "$@"