// Package checksums provides a Pipe that creates .checksums files for // each artifact. package checksums import ( "fmt" "os" "path/filepath" "github.com/apex/log" "github.com/goreleaser/goreleaser/checksum" "github.com/goreleaser/goreleaser/context" "github.com/goreleaser/goreleaser/internal/name" "golang.org/x/sync/errgroup" ) // Pipe for checksums type Pipe struct{} // Description of the pipe func (Pipe) String() string { return "calculating checksums" } // Run the pipe func (Pipe) Run(ctx *context.Context) (err error) { filename, err := filenameFor(ctx) if err != nil { return err } file, err := os.OpenFile( filepath.Join(ctx.Config.Dist, filename), os.O_APPEND|os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0444, ) if err != nil { return err } defer func() { if err := file.Close(); err != nil { log.WithError(err).Errorf("failed to close %s", file.Name()) } ctx.AddArtifact(file.Name()) }() var g errgroup.Group for _, artifact := range ctx.Artifacts { artifact := artifact g.Go(func() error { return checksums(ctx, file, artifact) }) } return g.Wait() } // Default sets the pipe defaults func (Pipe) Default(ctx *context.Context) error { if ctx.Config.Checksum.NameTemplate == "" { ctx.Config.Checksum.NameTemplate = "{{ .ProjectName }}_{{ .Version }}_checksums.txt" } return nil } func checksums(ctx *context.Context, file *os.File, name string) error { log.WithField("file", name).Info("checksumming") var artifact = filepath.Join(ctx.Config.Dist, name) sha, err := checksum.SHA256(artifact) if err != nil { return err } _, err = file.WriteString(fmt.Sprintf("%v %v\n", sha, name)) return err }