Set SemverCompatible to false for Conan packages (#21275)

Fixes #21250
Related #20414

Conan packages don't have to follow SemVer.
The migration fixes the setting for all existing Conan and Generic
(#20414) packages.

models/migrations/migrations.go

@@ -413,6 +413,8 @@ var migrations = []Migration{
 	NewMigration("Add badges to users", createUserBadgesTable),
 	// v225 -> v226
 	NewMigration("Alter gpg_key/public_key content TEXT fields to MEDIUMTEXT", alterPublicGPGKeyContentFieldsToMediumText),
+	// v226 -> v227
+	NewMigration("Conan and generic packages do not need to be semantically versioned", fixPackageSemverField),
 }
 
 // GetCurrentDBVersion returns the current db version

models/migrations/v226.go

@@ -0,0 +1,15 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import (
+	"xorm.io/builder"
+	"xorm.io/xorm"
+)
+
+func fixPackageSemverField(x *xorm.Engine) error {
+	_, err := x.Exec(builder.Update(builder.Eq{"semver_compatible": false}).From("`package`").Where(builder.In("`type`", "conan", "generic")))
+	return err
+}

routers/api/packages/conan/conan.go

@@ -342,7 +342,6 @@ func uploadFile(ctx *context.Context, fileFilter stringSet, fileKey string) {
 			Name:        rref.Name,
 			Version:     rref.Version,
 		},
-		SemverCompatible: true,
 		Creator: ctx.Doer,
 	}
 	pfci := &packages_service.PackageFileCreationInfo{

tests/integration/api_packages_conan_test.go

@@ -267,7 +267,7 @@ func TestPackageConan(t *testing.T) {
 
 				pd, err := packages.GetPackageDescriptor(db.DefaultContext, pvs[0])
 				assert.NoError(t, err)
-				assert.NotNil(t, pd.SemVer)
+				assert.Nil(t, pd.SemVer)
 				assert.Equal(t, name, pd.Package.Name)
 				assert.Equal(t, version1, pd.Version.Version)
 				assert.IsType(t, &conan_module.Metadata{}, pd.Metadata)