Add replacement in the package config

Makefile

@@ -1,12 +1,15 @@
-build: fmt
+build: fmt test
 	export GOPROXY=https://goproxy.io
 	CGO_ENABLE=0 go build -ldflags "-w -s" -o bin/hd
 
-build-linux: fmt
+build-linux: fmt test
 	export GOPROXY=https://goproxy.io
 	CGO_ENABLE=0 GOOS=linux go build -ldflags "-w -s" -o bin/linux/hd
 	upx bin/linux/hd
 
+test:
+	go test ./cmd/...
+
 run:
 	go run main.go
 

cmd/get.go

@@ -121,11 +121,13 @@ func (o *downloadOption) providerURLParse(path string) (url string, err error) {
 
 			if err = yaml.Unmarshal(data, &cfg); err == nil {
 				hdPackage := &hdPackage{
-					Name:    o.name,
-					Version: version,
-					OS:      runtime.GOOS,
-					Arch:    runtime.GOARCH,
+					Name:       o.name,
+					Version:    version,
+					OS:         getReplacement(runtime.GOOS, cfg.Replacements),
+					Arch:       getReplacement(runtime.GOARCH, cfg.Replacements),
+					VersionNum: strings.TrimPrefix(version, "v"),
 				}
+
 				if version == "latest" {
 					ghClient := pkg.ReleaseClient{
 						Org:  org,
@@ -134,6 +136,7 @@ func (o *downloadOption) providerURLParse(path string) (url string, err error) {
 					ghClient.Init()
 					if asset, err := ghClient.GetLatestJCLIAsset(); err == nil {
 						hdPackage.Version = asset.TagName
+						hdPackage.VersionNum = strings.TrimPrefix(asset.TagName, "v")
 					} else {
 						fmt.Println(err, "cannot get the asset")
 					}
@@ -148,10 +151,12 @@ func (o *downloadOption) providerURLParse(path string) (url string, err error) {
 							org, repo, version, buf.String())
 
 						o.Output = buf.String()
+					} else {
+						return
 					}
 				}
 
-				o.Tar = cfg.Tar
+				o.Tar = cfg.Tar != "false"
 				if cfg.Binary != "" {
 					o.name = cfg.Binary
 				}
@@ -162,17 +167,19 @@ func (o *downloadOption) providerURLParse(path string) (url string, err error) {
 }
 
 type hdConfig struct {
-	Name     string
-	Filename string
-	Binary   string
-	Tar      bool
+	Name         string
+	Filename     string
+	Binary       string
+	Tar          string
+	Replacements map[string]string
 }
 
 type hdPackage struct {
-	Name    string
-	Version string
-	OS      string
-	Arch    string
+	Name       string
+	Version    string // e.g. v1.0.1
+	VersionNum string // e.g. 1.0.1
+	OS         string // e.g. linux, darwin
+	Arch       string // e.g. amd64
 }
 
 func (o *downloadOption) preRunE(cmd *cobra.Command, args []string) (err error) {

cmd/install.go

@@ -10,6 +10,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"sync"
 	"syscall"
 )
@@ -118,6 +119,7 @@ func (o *installOption) extractFiles(tarFile, targetName string) (err error) {
 
 	tarReader := tar.NewReader(gzf)
 	var header *tar.Header
+	var found bool
 	for {
 		if header, err = tarReader.Next(); err == io.EOF {
 			err = nil
@@ -129,20 +131,26 @@ func (o *installOption) extractFiles(tarFile, targetName string) (err error) {
 
 		switch header.Typeflag {
 		case tar.TypeReg:
-			if name != targetName {
+			if name != targetName && !strings.HasSuffix(name, "/"+targetName) {
 				continue
 			}
 			var targetFile *os.File
-			if targetFile, err = os.OpenFile(fmt.Sprintf("%s/%s", filepath.Dir(tarFile), name),
+			if targetFile, err = os.OpenFile(fmt.Sprintf("%s/%s", filepath.Dir(tarFile), targetName),
 				os.O_CREATE|os.O_RDWR, os.FileMode(header.Mode)); err != nil {
 				break
 			}
 			if _, err = io.Copy(targetFile, tarReader); err != nil {
 				break
 			}
+			fmt.Println("found ", targetName, header)
+			found = true
 			_ = targetFile.Close()
 		}
 	}
+
+	if err == nil && !found {
+		err = fmt.Errorf("cannot found item '%s' from '%s'", targetName, tarFile)
+	}
 	return
 }
 

cmd/util.go

@@ -0,0 +1,13 @@
+package cmd
+
+func getOrDefault(key, def string, data map[string]string) (result string) {
+	var ok bool
+	if result, ok = data[key]; !ok {
+		result = def
+	}
+	return
+}
+
+func getReplacement(key string, data map[string]string) (result string) {
+	return getOrDefault(key, key, data)
+}

cmd/util_test.go

@@ -0,0 +1,44 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/magiconair/properties/assert"
+	"testing"
+)
+
+func TestGetOrDefault(t *testing.T) {
+	table := []testCase{
+		{key: "fake", def: "def", data: map[string]string{}, expected: "def"},
+		{key: "fake", def: "def", data: nil, expected: "def"},
+		{key: "fake", def: "def", data: map[string]string{
+			"fake": "good",
+		}, expected: "good"},
+	}
+
+	for index, item := range table {
+		result := getOrDefault(item.key, item.def, item.data)
+		assert.Equal(t, result, item.expected, fmt.Sprintf("test failed with '%d'", index))
+	}
+}
+
+func TestGetReplacement(t *testing.T) {
+	table := []testCase{
+		{key: "fake", data: map[string]string{}, expected: "fake"},
+		{key: "fake", data: nil, expected: "fake"},
+		{key: "fake", data: map[string]string{
+			"fake": "good",
+		}, expected: "good"},
+	}
+
+	for index, item := range table {
+		result := getReplacement(item.key, item.data)
+		assert.Equal(t, result, item.expected, fmt.Sprintf("test failed with '%d'", index))
+	}
+}
+
+type testCase struct {
+	key      string
+	def      string
+	data     map[string]string
+	expected string
+}

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/google/go-github/v29 v29.0.3
 	github.com/gosuri/uiprogress v0.0.1
 	github.com/linuxsuren/cobra-extension v0.0.10
+	github.com/magiconair/properties v1.8.1
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/onsi/ginkgo v1.14.2
 	github.com/onsi/gomega v1.10.4

go.sum

@@ -168,6 +168,7 @@ github.com/linuxsuren/cobra-extension v0.0.10/go.mod h1:nDsXgvm0lSWVV+byAEfwhIGF
 github.com/linuxsuren/http-downloader v0.0.2-0.20201207132639-19888a6beaec/go.mod h1:zRZY9FCDBuYNDxbI2Ny5suasZsMk7J6q9ecQ3V3PIqI=
 github.com/linuxsuren/http-downloader v0.0.6/go.mod h1:xxgh2OE7WGL9TwDE9L8Gh7Lqq9fFPuHbh5tofUitEfE=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=