Add butane tool to arkade

Signed-off-by: Czékus Máté <mate@picloud.hu>

README.md

@@ -583,6 +583,7 @@ There are 56 apps that you can install on your cluster.
 | autok3s          | Run Rancher Lab's lightweight Kubernetes distribution k3s everywhere.                                                                     |
 | buildx           | Docker CLI plugin for extended build capabilities with BuildKit.                                                                          |
 | bun              | Bun is an incredibly fast JavaScript runtime, bundler, transpiler and package manager – all in one.                                       |
+| butane           | Translates human readable Butane Configs into machine readable Ignition Configs                                                           |
 | caddy            | Caddy is an extensible server platform that uses TLS by default                                                                           |
 | cilium           | CLI to install, manage & troubleshoot Kubernetes clusters running Cilium.                                                                 |
 | civo             | CLI for interacting with your Civo resources.                                                                                             |
@@ -680,6 +681,6 @@ There are 56 apps that you can install on your cluster.
 | waypoint         | Easy application deployment for Kubernetes and Amazon ECS                                                                                 |
 | yq               | Portable command-line YAML processor.                                                                                                     |
 
-There are 102 tools, use `arkade get NAME` to download one.
+There are 103 tools, use `arkade get NAME` to download one.
 
 > Note to contributors, run `arkade get --output markdown` to generate this list

pkg/get/get_test.go

@@ -4784,3 +4784,50 @@ func Test_DownloadHadolint(t *testing.T) {
 		})
 	}
 }
+
+func Test_DownloadButane(t *testing.T) {
+	tools := MakeTools()
+	name := "butane"
+	version := "v0.15.0"
+
+	tool := getTool(name, tools)
+
+	tests := []test{
+		{
+			os:      "darwin",
+			arch:    arch64bit,
+			version: version,
+			url:     "https://github.com/coreos/butane/releases/download/v0.15.0/butane-x86_64-apple-darwin",
+		},
+		{
+			os:      "linux",
+			arch:    arch64bit,
+			version: version,
+			url:     "https://github.com/coreos/butane/releases/download/v0.15.0/butane-x86_64-unknown-linux-gnu",
+		},
+		{
+			os:      "linux",
+			arch:    archARM64,
+			version: version,
+			url:     "https://github.com/coreos/butane/releases/download/v0.15.0/butane-aarch64-unknown-linux-gnu",
+		},
+		{
+			os:      "ming",
+			arch:    arch64bit,
+			version: version,
+			url:     "https://github.com/coreos/butane/releases/download/v0.15.0/butane-x86_64-pc-windows-gnu.exe",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.os+" "+tc.arch+" "+tc.version, func(r *testing.T) {
+			got, err := tool.GetURL(tc.os, tc.arch, tc.version, false)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if got != tc.url {
+				t.Errorf("want: %s, got: %s", tc.url, got)
+			}
+		})
+	}
+}

pkg/get/table.go

@@ -20,7 +20,7 @@ func CreateToolsTable(tools Tools, format TableFormat) {
 	table := tablewriter.NewWriter(os.Stdout)
 	table.SetHeader([]string{"Tool", "Description"})
 	table.SetCaption(true,
-		fmt.Sprintf("There are %d tools, use 'arkade get NAME' to download one.", len(tools)))
+		fmt.Sprintf("There are %d tools, use `arkade get NAME` to download one.", len(tools)))
 	if format == MarkdownStyle {
 		table.SetCaption(true)
 		table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})

pkg/get/tools.go

@@ -2752,5 +2752,31 @@ https://github.com/{{.Owner}}/{{.Repo}}/releases/download/{{.Version}}/{{.Name}}
 			`,
 		})
 
+	tools = append(tools,
+		Tool{
+			Owner:       "coreos",
+			Repo:        "butane",
+			Name:        "butane",
+			Description: "Translates human readable Butane Configs into machine readable Ignition Configs",
+			BinaryTemplate: `
+			{{$os := ""}}
+			{{$ext := ""}}
+			{{$arch := .Arch}}
+			{{- if eq .OS "linux" -}}
+			{{$os = "unknown-linux-gnu"}}
+			{{- else if eq .OS "darwin" -}}
+			{{$os = "apple-darwin"}}
+			{{- else if HasPrefix .OS "ming" -}}
+			{{$os = "pc-windows-gnu"}}
+			{{$ext = ".exe"}}
+			{{- end -}}
+
+			{{- if eq .Arch "arm64" -}}
+			{{$arch = "aarch64"}}
+			{{- end -}}
+			{{.Name}}-{{$arch}}-{{$os}}{{$ext}}
+			`,
+		})
+
 	return tools
 }