feat(cli): Add update command to CLI to update NUPST from repository and refresh the systemd service

changelog.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-03-25 - 1.9.0 - feat(cli)
+Add update command to CLI to update NUPST from repository and refresh the systemd service
+
+- Integrate 'update' subcommand in CLI command parser
+- Update documentation and help output to include new command
+- Implement update process that fetches changes from git, runs install.sh/setup.sh, and refreshes systemd service if installed
+
 ## 2025-03-25 - 1.8.2 - fix(cli)
 Refactor logs command to use child_process spawn for real-time log tailing
 

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/nupst',
-  version: '1.8.2',
+  version: '1.9.0',
   description: 'Node.js UPS Shutdown Tool for SNMP-enabled UPS devices'
 }

ts/cli.ts

@@ -90,6 +90,10 @@ export class NupstCli {
       case 'test':
         await this.test(debugMode);
         break;
+        
+      case 'update':
+        await this.update();
+        break;
 
       case 'help':
       default:
@@ -359,6 +363,7 @@ Usage:
   nupst status         - Show status of the systemd service and UPS status
   nupst setup          - Run the interactive setup to configure SNMP settings
   nupst test           - Test the current configuration by connecting to the UPS
+  nupst update         - Update NUPST from repository and refresh systemd service (requires root)
   nupst help           - Show this help message
 
 Options:
@@ -367,6 +372,83 @@ Options:
 `);
   }
   
+  /**
+   * Update NUPST from repository and refresh systemd service
+   */
+  private async update(): Promise<void> {
+    try {
+      // Check if running as root
+      this.checkRootAccess('This command must be run as root to update NUPST and refresh the systemd service.');
+      
+      console.log('┌─ NUPST Update Process ──────────────────┐');
+      console.log('│ Updating NUPST from repository...');
+      
+      // Determine the installation directory (assuming it's either /opt/nupst or the current directory)
+      const { existsSync } = await import('fs');
+      let installDir = '/opt/nupst';
+      
+      if (!existsSync(installDir)) {
+        // If not installed in /opt/nupst, use the current directory
+        const { dirname } = await import('path');
+        installDir = dirname(dirname(process.argv[1])); // Go up two levels from the executable
+        console.log(`│ Using local installation directory: ${installDir}`);
+      }
+      
+      try {
+        // 1. Update the repository
+        console.log('│ Pulling latest changes from git repository...');
+        execSync(`cd ${installDir} && git fetch origin && git reset --hard origin/main`, { stdio: 'pipe' });
+        
+        // 2. Run the install.sh script
+        console.log('│ Running install.sh to update NUPST...');
+        execSync(`cd ${installDir} && bash ./install.sh`, { stdio: 'pipe' });
+        
+        // 3. Run the setup.sh script 
+        console.log('│ Running setup.sh to update dependencies...');
+        execSync(`cd ${installDir} && bash ./setup.sh`, { stdio: 'pipe' });
+        
+        // 4. Refresh the systemd service
+        console.log('│ Refreshing systemd service...');
+        
+        // First check if service exists
+        const serviceExists = execSync('systemctl list-unit-files | grep nupst.service').toString().includes('nupst.service');
+        
+        if (serviceExists) {
+          // Stop the service if it's running
+          const isRunning = execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
+          if (isRunning) {
+            console.log('│ Stopping nupst service...');
+            execSync('systemctl stop nupst.service');
+          }
+          
+          // Reinstall the service
+          console.log('│ Reinstalling systemd service...');
+          await this.nupst.getSystemd().install();
+          
+          // Restart the service if it was running
+          if (isRunning) {
+            console.log('│ Restarting nupst service...');
+            execSync('systemctl start nupst.service');
+          }
+        } else {
+          console.log('│ Systemd service not installed, skipping service refresh.');
+          console.log('│ Run "nupst enable" to install the service.');
+        }
+        
+        console.log('│ Update completed successfully!');
+        console.log('└──────────────────────────────────────────┘');
+      } catch (error) {
+        console.error('│ Error during update process:');
+        console.error(`│ ${error.message}`);
+        console.error('└──────────────────────────────────────────┘');
+        process.exit(1);
+      }
+    } catch (error) {
+      console.error(`Update failed: ${error.message}`);
+      process.exit(1);
+    }
+  }
+  
   /**
    * Interactive setup for configuring SNMP settings
    */