diff --git a/man/generate.go b/man/generate.go index 2d940e31fd..e5e480be3f 100644 --- a/man/generate.go +++ b/man/generate.go @@ -6,6 +6,8 @@ import ( "log" "os" "path/filepath" + "strconv" + "time" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/commands" @@ -24,6 +26,17 @@ func generateManPages(opts *options) error { Source: "Docker Community", } + // If SOURCE_DATE_EPOCH is set, in order to allow reproducible package + // builds, we explicitly set the build time to SOURCE_DATE_EPOCH. + if epoch := os.Getenv("SOURCE_DATE_EPOCH"); epoch != "" { + unixEpoch, err := strconv.ParseInt(epoch, 10, 64) + if err != nil { + return fmt.Errorf("invalid SOURCE_DATE_EPOCH: %v", err) + } + now := time.Unix(unixEpoch, 0) + header.Date = &now + } + stdin, stdout, stderr := term.StdStreams() dockerCli := command.NewDockerCli(stdin, stdout, stderr, false, nil) cmd := &cobra.Command{Use: "docker"}