Gradle - add quotes if needed to system properties (#225)

build/gradle.go

@@ -257,28 +257,37 @@ func (config *gradleRunConfig) GetCmd() *exec.Cmd {
 	if config.initScript != "" {
 		cmd = append(cmd, "--init-script", config.initScript)
 	}
-	cmd = append(cmd, handleGradleCommandProperties(config.tasks)...)
+	cmd = append(cmd, formatCommandProperties(config.tasks)...)
 	config.logger.Info("Running gradle command:", strings.Join(cmd, " "))
 	return exec.Command(cmd[0], cmd[1:]...)
 }
 
-func handleGradleCommandProperties(tasks []string) []string {
+func formatCommandProperties(tasks []string) []string {
 	var cmdArgs []string
 	for _, task := range tasks {
-		if isGradleSystemOrProjectProperty(task) {
-			propertyParts := strings.SplitN(task, "=", 2)
-			task = fmt.Sprintf(`%s="%s"`, propertyParts[0], propertyParts[1])
+		if isSystemOrProjectProperty(task) {
+			task = quotePropertyIfNeeded(task)
 		}
 		cmdArgs = append(cmdArgs, task)
 	}
 	return cmdArgs
 }
 
-func isGradleSystemOrProjectProperty(task string) bool {
+func isSystemOrProjectProperty(task string) bool {
 	hasPropertiesFlag := strings.HasPrefix(task, systemPropertiesFlag) || strings.HasPrefix(task, projectPropertiesFlag)
 	return hasPropertiesFlag && strings.Contains(task, "=")
 }
 
+// Wraps system or project property value in quotes if its value contain spaces, e.g., -Dkey=val ue => -Dkey='val ue'
+func quotePropertyIfNeeded(task string) string {
+	parts := strings.SplitN(task, "=", 2)
+	if strings.Contains(parts[1], " ") {
+		return fmt.Sprintf(`%s='%s'`, parts[0], parts[1])
+	}
+
+	return task
+}
+
 func (config *gradleRunConfig) runCmd(stdout, stderr io.Writer) error {
 	command := config.GetCmd()
 	command.Env = os.Environ()

build/gradle_test.go

@@ -103,35 +103,31 @@ func TestParseGradleVersion(t *testing.T) {
 	}
 }
 
-func TestHandleGradleCommandProperties(t *testing.T) {
+func TestFormatCommandProperties(t *testing.T) {
 	tests := []struct {
 		input    []string
 		expected []string
 	}{
 		{
 			input:    []string{"clean", "-Dparam=value", "build", "-Pkey=value"},
-			expected: []string{"clean", `-Dparam="value"`, "build", `-Pkey="value"`},
+			expected: []string{"clean", "-Dparam=value", "build", "-Pkey=value"},
 		},
 		{
-			input:    []string{"-Dprop1=value1", "test", "-Dprop2=value2"},
-			expected: []string{`-Dprop1="value1"`, "test", `-Dprop2="value2"`},
+			input:    []string{"-Dprop1=value1", "test", "-Pprop2=value2"},
+			expected: []string{"-Dprop1=value1", "test", "-Pprop2=value2"},
 		},
 		{
-			input:    []string{"-Dparam1=value1", "-Pkey1=value1", "-Dparam2=value2", "-Pkey2=value2"},
-			expected: []string{`-Dparam1="value1"`, `-Pkey1="value1"`, `-Dparam2="value2"`, `-Pkey2="value2"`},
-		},
-		{
-			input:    []string{"-Dparam1=value1", "run", "-Pkey2=value2", "-Dparam2=value2"},
-			expected: []string{`-Dparam1="value1"`, "run", `-Pkey2="value2"`, `-Dparam2="value2"`},
+			input:    []string{"-Dparam1=value1 value2", "-Pkey1=value1", "-Dparam2=value2", "-Pkey2=value1 value2"},
+			expected: []string{"-Dparam1='value1 value2'", "-Pkey1=value1", "-Dparam2=value2", "-Pkey2='value1 value2'"},
 		},
 		{
 			input:    []string{"-Dparam1=value1", "run", "-Psign"},
-			expected: []string{`-Dparam1="value1"`, "run", "-Psign"},
+			expected: []string{"-Dparam1=value1", "run", "-Psign"},
 		},
 	}
 
 	for _, test := range tests {
-		result := handleGradleCommandProperties(test.input)
+		result := formatCommandProperties(test.input)
 		assert.ElementsMatch(t, test.expected, result)
 	}
 }