feat(issue-77): handle multiple target branches (#78)

fix: https://github.com/kiegroup/git-backporting/issues/77

This enhancement allow users to backport the same change to multiple
branches with one single tool invocation

src/service/logger/console-logger-service.ts

@@ -5,32 +5,44 @@ export default class ConsoleLoggerService implements LoggerService {
 
   private readonly logger: Logger;
   private readonly verbose: boolean;
+  private context?: string;
 
   constructor(verbose = true) {
     this.logger = new Logger();
     this.verbose = verbose;
   }
+
+  setContext(newContext: string) {
+    this.context = newContext;
+  }
+
+  clearContext() {
+    this.context = undefined;
+  }
   
   trace(message: string): void {
-    this.logger.log("TRACE", message);
+    this.logger.log("TRACE", this.fromContext(message));
   }
   
   debug(message: string): void {
     if (this.verbose) {
-      this.logger.log("DEBUG", message);
+      this.logger.log("DEBUG", this.fromContext(message));
     }
   }
   
   info(message: string): void {
-    this.logger.log("INFO", message);
+    this.logger.log("INFO", this.fromContext(message));
   }
   
   warn(message: string): void {
-    this.logger.log("WARN", message);
+    this.logger.log("WARN", this.fromContext(message));
   }
   
   error(message: string): void {
-    this.logger.log("ERROR", message);
+    this.logger.log("ERROR", this.fromContext(message));
   }
 
+  private fromContext(msg: string): string {
+    return this.context ? `[${this.context}] ${msg}` : msg;
+  }
 }

src/service/logger/logger-service.ts

@@ -3,6 +3,10 @@
  */
 export default interface LoggerService {
 
+  setContext(newContext: string): void;
+
+  clearContext(): void;
+
   trace(message: string): void;
 
   debug(message: string): void;