Making autodetect the new default.

Basically if you dont pass in --os then we will attempt to figure it
out.

cmd/chase.go

@@ -73,7 +73,7 @@ var (
 
 func init() {
 	rootCmd.AddCommand(chaseCmd)
-	chaseCmd.PersistentFlags().StringVar(&operating, "os", "debian", "Specify a value for the operating system type you want to scan (alpine, debian, fedora)")
+	chaseCmd.PersistentFlags().StringVar(&operating, "os", "", "Specify a value for the operating system type you want to scan (alpine, debian, fedora)")
 	chaseCmd.PersistentFlags().BoolVar(&cleanCache, "clean-cache", false, "Flag to clean the database cache for OSS Index")
 	chaseCmd.PersistentFlags().StringVar(&ossIndexUser, "user", "", "Specify your OSS Index Username")
 	chaseCmd.PersistentFlags().StringVar(&ossIndexToken, "token", "", "Specify your OSS Index API Token")
@@ -140,6 +140,17 @@ var chaseCmd = &cobra.Command{
 
 		err = getCVEExcludesFromFile(excludeVulnerabilityFilePath)
 
+		if operating == "" {
+			logLady.Trace("Attempting to detect os for you")
+			manager, err := packages.DetectPackageManager(logLady)
+			if err != nil {
+				logLady.Error(err)
+				panic(err)
+			}
+			operating = manager
+		}
+
+
 		logLady.Trace("Attempting to audit list of strings from standard in")
 		pkgs, err := parseStdIn(&operating)
 		if err != nil {

cmd/iq.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/sonatype-nexus-community/ahab/buildversion"
 	"github.com/sonatype-nexus-community/ahab/logger"
+	"github.com/sonatype-nexus-community/ahab/packages"
 	"github.com/sonatype-nexus-community/go-sona-types/iq"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
@@ -41,7 +42,7 @@ func init() {
 	rootCmd.AddCommand(iqCmd)
 
 	pf := iqCmd.PersistentFlags()
-	pf.StringVar(&operating, "os", "debian", "Specify a value for the operating system type you want to scan (alpine, debian, fedora)")
+	pf.StringVar(&operating, "os", "", "Specify a value for the operating system type you want to scan (alpine, debian, fedora)")
 	pf.StringVar(&iqUsername, "user", "admin", "Specify Nexus IQ Username for request")
 	pf.StringVar(&iqToken, "token", "admin123", "Specify Nexus IQ Token/Password for request")
 	pf.StringVar(&ossIndexUser, "oss-index-user", "", "Specify your OSS Index Username")
@@ -109,6 +110,17 @@ var iqCmd = &cobra.Command{
 				MaxRetries:    maxRetries,
 			})
 
+
+		if operating == "" {
+			logLady.Trace("Attempting to detect os for you")
+			manager, err := packages.DetectPackageManager(logLady)
+			if err != nil {
+				logLady.Error(err)
+				panic(err)
+			}
+			operating = manager
+		}
+
 		pkgs, err := parseStdIn(&operating)
 		if err != nil {
 			logLady.Error(err)