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// Copyright 2020 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 checks
import (
"errors"
"os/exec"
"strings"
"golang.org/x/tools/go/analysis"
)
var Migrations = &analysis.Analyzer{
Name: "migrations",
Doc: "check migrations for black-listed packages.",
Run: checkMigrations,
}
var (
migrationDepBlockList = []string{
"code.gitea.io/gitea/models",
}
migrationImpBlockList = []string{
"code.gitea.io/gitea/modules/structs",
}
)
func checkMigrations(pass *analysis.Pass) (interface{}, error) {
if !strings.EqualFold(pass.Pkg.Path(), "code.gitea.io/gitea/models/migrations") {
return nil, nil
}
if _, err := exec.LookPath("go"); err != nil {
return nil, errors.New("go was not found in the PATH")
}
depsCmd := exec.Command("go", "list", "-f", `{{join .Deps "\n"}}`, "code.gitea.io/gitea/models/migrations")
depsOut, err := depsCmd.Output()
if err != nil {
return nil, err
}
deps := strings.Split(string(depsOut), "\n")
for _, dep := range deps {
if stringInSlice(dep, migrationDepBlockList) {
pass.Reportf(0, "code.gitea.io/gitea/models/migrations cannot depend on the following packages: %s", migrationDepBlockList)
return nil, nil
}
}
impsCmd := exec.Command("go", "list", "-f", `{{join .Imports "\n"}}`, "code.gitea.io/gitea/models/migrations")
impsOut, err := impsCmd.Output()
if err != nil {
return nil, err
}
imps := strings.Split(string(impsOut), "\n")
for _, imp := range imps {
if stringInSlice(imp, migrationImpBlockList) {
pass.Reportf(0, "code.gitea.io/gitea/models/migrations cannot import the following packages: %s", migrationImpBlockList)
return nil, nil
}
}
return nil, nil
}
func stringInSlice(needle string, haystack []string) bool {
for _, h := range haystack {
if strings.EqualFold(needle, h) {
return true
}
}
return false
}
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