Support to load default config file from hd-home (#249)

Author: LinuxSuRen

pkg/installer/process.go

@@ -2,14 +2,16 @@ package installer
 
 import (
 	"fmt"
-	"github.com/linuxsuren/http-downloader/pkg/common"
-	"github.com/linuxsuren/http-downloader/pkg/compress"
-	"github.com/linuxsuren/http-downloader/pkg/exec"
 	"io"
+	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
 	"runtime"
+
+	"github.com/linuxsuren/http-downloader/pkg/common"
+	"github.com/linuxsuren/http-downloader/pkg/compress"
+	"github.com/linuxsuren/http-downloader/pkg/exec"
 )
 
 // Install installs a package
@@ -57,6 +59,28 @@ func (o *Installer) Install() (err error) {
 			}
 		}
 
+		if o.Package != nil {
+			for i := range o.Package.DefaultConfigFile {
+				configFile := o.Package.DefaultConfigFile[i]
+				configFilePath := configFile.Path
+				configDir := filepath.Dir(configFilePath)
+
+				if configFile.OS == runtime.GOOS {
+					if err = os.MkdirAll(configDir, 0755); err != nil {
+						err = fmt.Errorf("cannot create config dir: %s, error: %v", configDir, err)
+						return
+					}
+
+					if err = ioutil.WriteFile(configFilePath, []byte(configFile.Content), 0622); err != nil {
+						err = fmt.Errorf("cannot write config file: %s, error: %v", configFilePath, err)
+						return
+					}
+
+					fmt.Printf("config file [%s] is ready.\n", configFilePath)
+				}
+			}
+		}
+
 		if err == nil && o.Package != nil && o.Package.PostInstalls != nil {
 			err = runCommandList(o.Package.PostInstalls)
 		}

pkg/installer/types.go

@@ -8,31 +8,39 @@ type PackagingFormat struct {
 
 // HDConfig is the config of http-downloader
 type HDConfig struct {
-	Name             string            `yaml:"name"`
-	Categories       []string          `yaml:"categories"`
-	Filename         string            `yaml:"filename"`
-	FormatOverrides  PackagingFormat   `yaml:"formatOverrides"`
-	Binary           string            `yaml:"binary"`
-	TargetBinary     string            `yaml:"targetBinary"`
-	TargetDirectory  string            `yaml:"targetDirectory"`
-	AdditionBinaries []string          `yaml:"additionBinaries"`
-	FromSource       bool              `yaml:"fromSource"`
-	URL              string            `yaml:"url"`
-	Tar              string            `yaml:"tar"`
-	LatestVersion    string            `yaml:"latestVersion"`
-	SupportOS        []string          `yaml:"supportOS"`
-	SupportArch      []string          `yaml:"supportArch"`
-	Replacements     map[string]string `yaml:"replacements"`
-	Requirements     []string          `yaml:"requirements"`
-	Installation     *CmdWithArgs      `yaml:"installation"`
-	PreInstalls      []CmdWithArgs     `yaml:"preInstalls"`
-	PostInstalls     []CmdWithArgs     `yaml:"postInstalls"`
-	TestInstalls     []CmdWithArgs     `yaml:"testInstalls"`
-	Version          string            `yaml:"version"`
+	Name              string            `yaml:"name"`
+	Categories        []string          `yaml:"categories"`
+	Filename          string            `yaml:"filename"`
+	FormatOverrides   PackagingFormat   `yaml:"formatOverrides"`
+	Binary            string            `yaml:"binary"`
+	TargetBinary      string            `yaml:"targetBinary"`
+	TargetDirectory   string            `yaml:"targetDirectory"`
+	AdditionBinaries  []string          `yaml:"additionBinaries"`
+	FromSource        bool              `yaml:"fromSource"`
+	URL               string            `yaml:"url"`
+	Tar               string            `yaml:"tar"`
+	LatestVersion     string            `yaml:"latestVersion"`
+	SupportOS         []string          `yaml:"supportOS"`
+	SupportArch       []string          `yaml:"supportArch"`
+	Replacements      map[string]string `yaml:"replacements"`
+	Requirements      []string          `yaml:"requirements"`
+	Installation      *CmdWithArgs      `yaml:"installation"`
+	DefaultConfigFile []ConfigFile      `yaml:"defaultConfigFiles"`
+	PreInstalls       []CmdWithArgs     `yaml:"preInstalls"`
+	PostInstalls      []CmdWithArgs     `yaml:"postInstalls"`
+	TestInstalls      []CmdWithArgs     `yaml:"testInstalls"`
+	Version           string            `yaml:"version"`
 
 	Org, Repo string
 }
 
+// ConfigFile represents a config file
+type ConfigFile struct {
+	OS      string `yaml:"os"`
+	Path    string `yaml:"path"`
+	Content string `yaml:"content"`
+}
+
 // CmdWithArgs is a command with arguments
 type CmdWithArgs struct {
 	Cmd  string   `yaml:"cmd"`