cmd/streamdata: display last entry

Useful for catching up with multiple missed entries.

Signed-off-by: Yonah <contrib@gensokyo.uk>

cmd/streamdata/format.go

@@ -1,7 +1,10 @@
 package main
 
 import (
+	"errors"
 	"fmt"
+	"os"
+	"syscall"
 
 	"git.gensokyo.uk/yonah/streamdata"
 )
@@ -22,3 +25,18 @@ func printVOD(v *streamdata.VOD) {
 		fmt.Println("Mirror   :", v.Mirror)
 	}
 }
+
+// printVODIdent calls printVOD for a VOD identifier.
+func printVODIdent(channel *streamdata.Channel, ident *streamdata.Ident) error {
+	v, err := channel.Load(ident)
+	if err != nil {
+		if !errors.Is(err, os.ErrNotExist) {
+			return err
+		}
+		return syscall.ENOENT
+	}
+
+	printVOD(v)
+	fmt.Println("Path     :", channel.Path(ident))
+	return nil
+}

cmd/streamdata/main.go

@@ -203,16 +203,7 @@ func main() {
 				return err
 			}
 
-			if v, err := channel.Load(&ident); err != nil {
-				if !errors.Is(err, os.ErrNotExist) {
-					return err
-				}
-				return syscall.ENOENT
-			} else {
-				printVOD(v)
-				fmt.Println("Path     :", channel.Path(&ident))
-				return nil
-			}
+			return printVODIdent(channel, &ident)
 		},
 	)
 
@@ -231,6 +222,27 @@ func main() {
 		},
 	)
 
+	c.NewCommand(
+		"last",
+		"Display metadata of final VOD entry",
+		func([]string) (err error) {
+			if channel == nil {
+				return errors.New("last requires a channel selected")
+			}
+
+			var ident *streamdata.Ident
+			for ident = range channel.All(&err, true) {
+			}
+			if err != nil {
+				return
+			}
+			if ident == nil {
+				return errors.New("no entries available")
+			}
+			return printVODIdent(channel, ident)
+		},
+	)
+
 	c.NewCommand(
 		"mirror",
 		"Populate mirror address of the next un-mirrored asset",

go.mod

@@ -2,4 +2,4 @@ module git.gensokyo.uk/yonah/streamdata
 
 go 1.26
 
-require hakurei.app v0.3.8-0.20260317115839-6cdb6a652b63
+require hakurei.app v0.4.5

go.sum

@@ -1,2 +1,2 @@
-hakurei.app v0.3.8-0.20260317115839-6cdb6a652b63 h1:Nx5eaHEbWUx6pwA4A+EdmHXvCvO3Xbw7PPcT1QbsVcA=
-hakurei.app v0.3.8-0.20260317115839-6cdb6a652b63/go.mod h1:rIWpoHYiZtIPue49bQLkROpQHYh/j2VjJGFrzNrvixU=
+hakurei.app v0.4.5 h1:u/aEG1K9E0sRORGaaTKkvL3UdaTrw7q6t/Y0pnlTVvs=
+hakurei.app v0.4.5/go.mod h1:rIWpoHYiZtIPue49bQLkROpQHYh/j2VjJGFrzNrvixU=

ident.go

@@ -86,8 +86,8 @@ func atoi(data []byte) (v uint64, err error) {
 		10, 64,
 	)
 	if err != nil {
-		var numError *strconv.NumError
-		if errors.As(err, &numError) && numError != nil {
+		numError, ok := errors.AsType[*strconv.NumError](err)
+		if ok && numError != nil {
 			err = numError.Unwrap()
 		}
 	}