all: remove all code related to legacy vulndb format

This change removes all code related to generating and validating
vulnerability databases in the legacy format.

Fixes golang/go#65320

Change-Id: I83522efec90aa04df54976d5c29d485acd13e53c
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/558658
Auto-Submit: Tatiana Bradley <tatianabradley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>

cmd/checkdb/main.go

@@ -11,12 +11,6 @@ import (
 	"log"
 
 	db "golang.org/x/vulndb/internal/database"
-	"golang.org/x/vulndb/internal/database/legacydb"
-)
-
-var (
-	v1     = flag.Bool("v1", true, "if true, check with respect to v1 database schema")
-	legacy = flag.Bool("legacy", false, "if true, check with respect to legacy database schema")
 )
 
 func main() {
@@ -25,24 +19,8 @@ func main() {
 	if path == "" {
 		log.Fatal("path must be set\nusage: checkdb [path]")
 	}
-	if !*v1 && !*legacy {
-		log.Fatal("no versions set (use flags -v1 and/or -legacy)")
-	}
-	if *v1 {
-		if _, err := db.Load(path); err != nil {
-			log.Fatal(err)
-		}
-		fmt.Printf("%s contains valid v1 database\n", path)
-	} else {
-		fmt.Println("skipping v1 validity check (use flag -v1 to enable)")
-	}
-
-	if *legacy {
-		if _, err := legacydb.Load(path); err != nil {
-			log.Fatal(err)
-		}
-		fmt.Printf("%s contains valid legacy database\n", path)
-	} else {
-		fmt.Println("skipping legacy validity check (use flag -legacy to enable)")
+	if _, err := db.Load(path); err != nil {
+		log.Fatal(err)
 	}
+	fmt.Printf("%s contains valid v1 database\n", path)
 }

cmd/checkdeploy/main.go

@@ -12,13 +12,11 @@ import (
 	"log"
 
 	db "golang.org/x/vulndb/internal/database"
-	"golang.org/x/vulndb/internal/database/legacydb"
 )
 
 var (
-	newPath       = flag.String("new", "", "path to new database")
-	newLegacyPath = flag.String("legacy", "", "path to the new database in the legacy schema (optional)")
-	existingPath  = flag.String("existing", "", "path to existing database")
+	newPath      = flag.String("new", "", "path to new database")
+	existingPath = flag.String("existing", "", "path to existing database")
 )
 
 func main() {
@@ -34,16 +32,4 @@ func main() {
 		log.Fatal(err)
 	}
 	fmt.Printf("ok to deploy v1 database %s on top of %s\n", *newPath, *existingPath)
-
-	if *newLegacyPath != "" {
-		if err := legacydb.Validate(*newLegacyPath, *existingPath); err != nil {
-			log.Fatal(err)
-		}
-		if err := legacydb.Equivalent(*newPath, *newLegacyPath); err != nil {
-			log.Fatal(err)
-		}
-		fmt.Printf("ok to deploy legacy database %s on top of %s\n", *newLegacyPath, *existingPath)
-	} else {
-		fmt.Println("not checking legacy database deploy (use -legacy flag to set)")
-	}
 }

cmd/gendb/main.go

@@ -12,7 +12,6 @@ import (
 	"log"
 
 	db "golang.org/x/vulndb/internal/database"
-	"golang.org/x/vulndb/internal/database/legacydb"
 	"golang.org/x/vulndb/internal/gitrepo"
 )
 
@@ -21,7 +20,6 @@ var (
 	jsonDir = flag.String("out", "out", "Directory to write JSON database to")
 	zipFile = flag.String("zip", "", "if provided, file to write zipped database to (for v1 database only)")
 	indent  = flag.Bool("indent", false, "Indent JSON for debugging")
-	legacy  = flag.Bool("legacy", false, "if true, generate in the legacy schema")
 )
 
 func main() {
@@ -31,22 +29,16 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	if *legacy {
-		if err := legacydb.Generate(ctx, repo, *jsonDir, *indent); err != nil {
-			log.Fatal(err)
-		}
-	} else {
-		d, err := db.FromRepo(ctx, repo)
-		if err != nil {
-			log.Fatal(err)
-		}
-		if err := d.Write(*jsonDir); err != nil {
+	d, err := db.FromRepo(ctx, repo)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := d.Write(*jsonDir); err != nil {
+		log.Fatal(err)
+	}
+	if *zipFile != "" {
+		if err := d.WriteZip(*zipFile); err != nil {
 			log.Fatal(err)
 		}
-		if *zipFile != "" {
-			if err := d.WriteZip(*zipFile); err != nil {
-				log.Fatal(err)
-			}
-		}
 	}
 }