Adds setting for branch analysis

DOCS.md

@@ -60,6 +60,7 @@ Safety first, the host and token are stored in Drone Secrets.
     * DEBUG: Display INFO logs + more details at DEBUG level.
     * TRACE: Display DEBUG logs + the timings of all ElasticSearch queries and Web API calls executed by the SonarQube Scanner.
 * `showProfiling`: Display logs to see where the analyzer spends time. Default value `false`
+* `branchAnalysis`: Pass currently analysed branch to SonarQube. (Must not be active for initial scan!) Default value `false`
 
 # Notes
 

main.go

@@ -82,6 +82,11 @@ func main() {
 			Value:  "false",
 			EnvVar: "PLUGIN_SHOWPROFILING",
 		},
+		cli.BoolFlag{
+			Name:   "branchAnalysis",
+			Usage:  "execute branchAnalysis",
+			EnvVar: "PLUGIN_BRANCHANALYSIS",
+		},
 	}
 
 	app.Run(os.Args)
@@ -103,6 +108,7 @@ func run(c *cli.Context) {
 			Exclusions:     c.String("exclusions"),
 			Level:          c.String("level"),
 			showProfiling:  c.String("showProfiling"),
+			branchAnalysis: c.Bool("branchAnalysis"),
 		},
 	}
 

plugin.go

@@ -21,6 +21,7 @@ type (
 		Exclusions     string
 		Level          string
 		showProfiling  string
+		branchAnalysis bool
 	}
 	Plugin struct {
 		Config Config
@@ -35,7 +36,6 @@ func (p Plugin) Exec() error {
 		"-Dsonar.login=" + p.Config.Token,
 
 		"-Dsonar.projectVersion=" + p.Config.Version,
-		"-Dsonar.branch.name=" + p.Config.Branch,
 		"-Dsonar.sources=" + p.Config.Sources,
 		"-Dsonar.ws.timeout=" + p.Config.Timeout,
 		"-Dsonar.inclusions=" + p.Config.Inclusions,
@@ -44,6 +44,11 @@ func (p Plugin) Exec() error {
 		"-Dsonar.showProfiling=" + p.Config.showProfiling,
 		"-Dsonar.scm.provider=git",
 	}
+
+	if p.Config.branchAnalysis {
+		args = append(args, "-Dsonar.branch.name="+p.Config.Branch)
+	}
+
 	cmd := exec.Command("sonar-scanner", args...)
 	// fmt.Printf("==> Executing: %s\n", strings.Join(cmd.Args, " "))
 	output, err := cmd.CombinedOutput()