tested version flag and subcmd on exec and pidproxy; some clean up

.gitignore

@@ -1,3 +1,6 @@
 /cmd/wingmate/wingmate
+/cmd/wingmate/version.txt
 /cmd/pidproxy/pidproxy
-/cmd/exec/exec
+/cmd/pidproxy/version.txt
+/cmd/exec/exec
+/cmd/exec/version.txt

cmd/cli/version.go

@@ -34,7 +34,7 @@ func (v Version) Flag(cmd *cobra.Command) {
 }
 
 func (v Version) FlagHook() {
-	if viper.GetInt(versionFlag) > 0 {
+	if viper.GetBool(versionFlag) {
 		v.Print()
 	}
 }

cmd/exec/exec.go

@@ -4,16 +4,17 @@ import (
 	_ "embed"
 	"errors"
 	"fmt"
-	"gitea.suyono.dev/suyono/wingmate"
-	"gitea.suyono.dev/suyono/wingmate/cmd/cli"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-	"golang.org/x/sys/unix"
 	"log"
 	"os"
 	"os/exec"
 	"strconv"
 	"strings"
+
+	"gitea.suyono.dev/suyono/wingmate"
+	"gitea.suyono.dev/suyono/wingmate/cmd/cli"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"golang.org/x/sys/unix"
 )
 
 type execApp struct {
@@ -61,6 +62,7 @@ func main() {
 	_ = viper.BindPFlag(EnvUser, rootCmd.PersistentFlags().Lookup(userFlag))
 
 	app.version.Flag(rootCmd)
+	app.version.Cmd(rootCmd)
 
 	viper.SetEnvPrefix(wingmate.EnvPrefix)
 	_ = viper.BindEnv(EnvUser)

cmd/exec/version.txt

@@ -1 +0,0 @@
-dev

cmd/experiment/.gitignore

@@ -6,4 +6,5 @@
 /oneshot/version.txt
 /spawner/spawner
 /spawner/version.txt
-/bg/bg
+/bg/bg
+/bg/version.txt

cmd/experiment/bg/version.txt

@@ -1 +0,0 @@
-dev

cmd/pidproxy/version.txt

@@ -1 +0,0 @@
-dev

cmd/wingmate/version.txt

@@ -1 +0,0 @@
-dev