feat: add docker-compose (#8)

README.md

@@ -110,6 +110,7 @@ Have a look into [pkg/binary](./pkg/binary/) for more details.
 Have a look into [pkg/binaries](./pkg/binaries/) for prepackaged binaries.
 
 - [argsh](https://github.com/arg-sh/argsh) - Utilities for Bash script quality
+- [docker-compose](https://github.com/docker/compose) - Define and run multi-container Docker applications
 - [gh](https://github.com/cli/cli) - GitHub CLI wrapper
 - [hcloud](https://github.com/hetznercloud/cli) - Hetzner Cloud CLI wrapper
 - [jq](https://github.com/jqlang/jq) - Command-line JSON processor

cmd/b/main.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/buyoio/b/pkg/binaries"
 	"github.com/buyoio/b/pkg/binaries/argsh"
+	compose "github.com/buyoio/b/pkg/binaries/docker-compose"
 	"github.com/buyoio/b/pkg/binaries/gh"
 	"github.com/buyoio/b/pkg/binaries/hcloud"
 	"github.com/buyoio/b/pkg/binaries/jq"
@@ -36,6 +37,7 @@ func main() {
 	root := cli.NewCmdBinary(&cli.CmdBinaryOptions{
 		Binaries: []*binary.Binary{
 			argsh.Binary(o),
+			compose.Binary(o),
 			gh.Binary(o),
 			hcloud.Binary(o),
 			jq.Binary(o),

pkg/binaries/binaries.go

@@ -12,3 +12,10 @@ type BinaryOptions struct {
 	Tracker *progress.Tracker
 	Envs    map[string]string
 }
+
+func Arch(arch string) string {
+	if arch == "amd64" {
+		return "x86_64"
+	}
+	return arch
+}

pkg/binaries/docker-compose/compose.go

@@ -0,0 +1,43 @@
+package compose
+
+import (
+	"context"
+	"fmt"
+	"runtime"
+	"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(),
+		}
+	}
+	// https://github.com/docker/compose/releases/download/v2.26.1/docker-compose-linux-x86_64
+	return &binary.Binary{
+		Context:    options.Context,
+		Envs:       options.Envs,
+		Tracker:    options.Tracker,
+		Version:    options.Version,
+		Name:       "docker-compose",
+		GitHubRepo: "docker/compose",
+		GitHubFileF: func(b *binary.Binary) (string, error) {
+			return fmt.Sprintf("docker-compose-%s-%s",
+				runtime.GOOS,
+				binaries.Arch(runtime.GOARCH),
+			), nil
+		},
+		VersionF: binary.GithubLatest,
+		VersionLocalF: func(b *binary.Binary) (string, error) {
+			v, err := b.Exec("version")
+			if err != nil {
+				return "", err
+			}
+			s := strings.Split(v, " ")
+			return s[len(s)-1], nil
+		},
+	}
+}

pkg/binaries/tilt/tilt.go

@@ -23,16 +23,10 @@ func Binary(options *binaries.BinaryOptions) *binary.Binary {
 		Version:    options.Version,
 		GitHubRepo: "windmilleng/tilt",
 		GitHubFileF: func(b *binary.Binary) (string, error) {
-			arch := func(arch string) string {
-				if arch == "amd64" {
-					return "x86_64"
-				}
-				return arch
-			}
 			return fmt.Sprintf("tilt.%s.%s.%s.tar.gz",
 				b.Version[1:],
 				runtime.GOOS,
-				arch(runtime.GOARCH),
+				binaries.Arch(runtime.GOARCH),
 			), nil
 		},
 		Name:     "tilt",