upgrade kingpin to v2

go.mod

@@ -6,6 +6,7 @@ toolchain go1.22.4
 
 require (
 	github.com/alecthomas/kingpin v2.2.6+incompatible
+	github.com/alecthomas/kingpin/v2 v2.4.0
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/docker/docker v27.3.1+incompatible
 	github.com/nxadm/tail v1.4.11
@@ -42,6 +43,7 @@ require (
 	github.com/prometheus/common v0.60.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rogpeppe/go-internal v1.13.1 // indirect
+	github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0 // indirect
 	go.opentelemetry.io/otel v1.30.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.30.0 // indirect

go.sum

@@ -4,6 +4,8 @@ github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERo
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
 github.com/alecthomas/kingpin v2.2.6+incompatible h1:5svnBTFgJjZvGKyYBtMB0+m5wvrbUHiqye8wRJMlnYI=
 github.com/alecthomas/kingpin v2.2.6+incompatible/go.mod h1:59OFYbFVLKQKq+mqrL6Rw5bR0c3ACQaawgXx0QYndlE=
+github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjHpqDjYY=
+github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc=
@@ -92,6 +94,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/xhit/go-str2duration/v2 v2.1.0 h1:lxklc02Drh6ynqX+DdPyp5pCKLUQpRT8bp8Ydu2Bstc=
+github.com/xhit/go-str2duration/v2 v2.1.0/go.mod h1:ohY8p+0f07DiV6Em5LKB0s2YpLtXVyJfNt1+BlmyAsU=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0 h1:ZIg3ZT/aQ7AfKqdwp7ECpOK6vHqquXXuyTjIO8ZdmPs=

logsource.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"io"
 
-	"github.com/alecthomas/kingpin"
+	"github.com/alecthomas/kingpin/v2"
 )
 
 // A LogSourceFactory provides a repository of log sources that can be

logsource_docker.go

@@ -9,7 +9,7 @@ import (
 	"log"
 	"strings"
 
-	"github.com/alecthomas/kingpin"
+	"github.com/alecthomas/kingpin/v2"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/client"
 )

logsource_file.go

@@ -5,7 +5,7 @@ import (
 	"io"
 	"log"
 
-	"github.com/alecthomas/kingpin"
+	"github.com/alecthomas/kingpin/v2"
 	"github.com/nxadm/tail"
 )
 

logsource_systemd.go

@@ -9,7 +9,7 @@ import (
 	"log"
 	"time"
 
-	"github.com/alecthomas/kingpin"
+	"github.com/alecthomas/kingpin/v2"
 	"github.com/coreos/go-systemd/v22/sdjournal"
 )
 

main.go

@@ -7,7 +7,7 @@ import (
 	"os"
 
 	_ "embed"
-	"github.com/alecthomas/kingpin"
+	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 )