fix: add argsh binary (#5)

https://github.com/arg-sh/argsh

README.md

@@ -98,7 +98,7 @@ The `Binary` struct represents a binary file, including its name, file path, ver
 
 ```go
 bin := binary.Binary{Name: "mybinary", Version: "1.0.0"}
-bin.EnsureBinary(true, false)
+bin.EnsureBinary(true)
 ```
 
 Have a look into [pkg/binary](./pkg/binary/) for more details.

cmd/b/main.go

@@ -6,6 +6,7 @@ import (
 	"os"
 
 	"github.com/buyoio/b/pkg/binaries"
+	"github.com/buyoio/b/pkg/binaries/argsh"
 	"github.com/buyoio/b/pkg/binaries/hcloud"
 	"github.com/buyoio/b/pkg/binaries/jq"
 	"github.com/buyoio/b/pkg/binaries/k9s"
@@ -41,6 +42,7 @@ func main() {
 			mkcert.Binary(o),
 			tilt.Binary(o),
 			yq.Binary(o),
+			argsh.Binary(o),
 		},
 		IO: &streams.IO{
 			In:     os.Stdin,

pkg/binaries/argsh/argsh.go

@@ -0,0 +1,35 @@
+package argsh
+
+import (
+	"context"
+	"strings"
+
+	"github.com/buyoio/b/pkg/binaries"
+	"github.com/buyoio/b/pkg/binary"
+)
+
+func Binary(options *binaries.BinaryOptions) *binary.Binary {
+	if options == nil {
+		options = &binaries.BinaryOptions{
+			Context: context.Background(),
+		}
+	}
+	return &binary.Binary{
+		Context:    options.Context,
+		Envs:       options.Envs,
+		Tracker:    options.Tracker,
+		Version:    options.Version,
+		Name:       "argsh",
+		GitHubRepo: "arg-sh/argsh",
+		GitHubFile: "argsh",
+		VersionF:   binary.GithubLatest,
+		VersionLocalF: func(b *binary.Binary) (string, error) {
+			s, err := b.Exec("version")
+			if err != nil {
+				return "", err
+			}
+			v := strings.Split(s, " ")
+			return v[len(v)-1], nil
+		},
+	}
+}