Change the exclude syntax to be a part of #nosec

Author: jonmcclintock

analyzer.go

@@ -154,16 +154,16 @@ func (gas *Analyzer) ignore(n ast.Node) ([]string, bool) {
 		for _, group := range groups {
 			if strings.Contains(group.Text(), "#nosec") {
 				gas.stats.NumNosec++
-				return nil, true
-			}
-
-			if strings.Contains(group.Text(), "#exclude") {
-				gas.stats.NumNosec++
 
 				// Pull out the specific rules that are listed to be ignored.
-				re := regexp.MustCompile("!(G\\d{3})")
+				re := regexp.MustCompile("(G\\d{3})")
 				matches := re.FindAllStringSubmatch(group.Text(), -1)
 
+				// If no specific rules were given, ignore everything.
+				if matches == nil || len(matches) == 0 {
+					return nil, true
+				}
+
 				// Find the rule IDs to ignore.
 				var ignores []string
 				for _, v := range matches {

analyzer_test.go

@@ -135,7 +135,7 @@ var _ = Describe("Analyzer", func() {
 
 			nosecPackage := testutils.NewTestPackage()
 			defer nosecPackage.Close()
-			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #exclude !G401", 1)
+			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #nosec G401", 1)
 			nosecPackage.AddFile("md5.go", nosecSource)
 			nosecPackage.Build()
 
@@ -152,7 +152,7 @@ var _ = Describe("Analyzer", func() {
 
 			nosecPackage := testutils.NewTestPackage()
 			defer nosecPackage.Close()
-			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #exclude !G301", 1)
+			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #nosec G301", 1)
 			nosecPackage.AddFile("md5.go", nosecSource)
 			nosecPackage.Build()
 
@@ -169,7 +169,7 @@ var _ = Describe("Analyzer", func() {
 
 			nosecPackage := testutils.NewTestPackage()
 			defer nosecPackage.Close()
-			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #exclude !G301 !G401", 1)
+			nosecSource := strings.Replace(source, "h := md5.New()", "h := md5.New() // #nosec G301 G401", 1)
 			nosecPackage.AddFile("md5.go", nosecSource)
 			nosecPackage.Build()