Linux db (#182)

* feat: refactor linux distro detection

* linux db updates

* feat: add gccversioncommand + windows support

* fix: build-essential

.vscode/launch.json

@@ -4,6 +4,13 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Test cmd package",
+      "type": "go",
+      "request": "launch",
+      "mode": "test",
+      "program": "${workspaceFolder}/cmd/"
+    },
     {
       "name": "Wails Init",
       "type": "go",

cmd/linux.go

@@ -42,71 +42,80 @@ type DistroInfo struct {
 	ID           string
 	Description  string
 	Release      string
-	DiscoveredBy string
 }
 
 // GetLinuxDistroInfo returns information about the running linux distribution
 func GetLinuxDistroInfo() *DistroInfo {
-	result := &DistroInfo{Distribution: Unknown}
-
+	result := &DistroInfo{
+		Distribution: Unknown,
+		ID:           "unknown",
+		Name:         "Unknown",
+	}
 	_, err := os.Stat("/etc/os-release")
 	if !os.IsNotExist(err) {
-		// Default value
-		osID := "unknown"
-		osNAME := "Unknown"
-		version := ""
-		// read /etc/os-release
 		osRelease, _ := ioutil.ReadFile("/etc/os-release")
-		// Split into lines
-		lines := strings.Split(string(osRelease), "\n")
-		// Iterate lines
-		for _, line := range lines {
-			// Split each line by the equals char
-			splitLine := strings.SplitN(line, "=", 2)
-			// Check we have
-			if len(splitLine) != 2 {
-				continue
-			}
-			switch splitLine[0] {
-			case "ID":
-				osID = strings.Trim(splitLine[1], "\"")
-			case "NAME":
-				osNAME = strings.Trim(splitLine[1], "\"")
-			case "VERSION_ID":
-				version = strings.Trim(splitLine[1], "\"")
-			}
-
-		}
-		// Check distro name against list of distros
-		result.Release = version
-		result.DiscoveredBy = "/etc/os-release"
-		switch osID {
-		case "debian":
-			result.Distribution = Debian
-		case "ubuntu":
-			result.Distribution = Ubuntu
-		case "arch":
-			result.Distribution = Arch
-		case "fedora":
-			result.Distribution = Fedora
-		case "centos":
-			result.Distribution = CentOS
-		case "gentoo":
-			result.Distribution = Gentoo
-		case "zorin":
-			result.Distribution = Zorin
-		case "parrot":
-			result.Distribution = Parrot
-		default:
-			result.Distribution = Unknown
-		}
-
-		result.ID = osID
-		result.Name = osNAME
+		result = parseOsRelease(string(osRelease))
 	}
 	return result
 }
 
+// parseOsRelease parses the given os-release data and returns
+// a DistroInfo struct with the details
+func parseOsRelease(osRelease string) *DistroInfo {
+	result := &DistroInfo{Distribution: Unknown}
+
+	// Default value
+	osID := "unknown"
+	osNAME := "Unknown"
+	version := ""
+
+	// Split into lines
+	lines := strings.Split(osRelease, "\n")
+	// Iterate lines
+	for _, line := range lines {
+		// Split each line by the equals char
+		splitLine := strings.SplitN(line, "=", 2)
+		// Check we have
+		if len(splitLine) != 2 {
+			continue
+		}
+		switch splitLine[0] {
+		case "ID":
+			osID = strings.Trim(splitLine[1], "\"")
+		case "NAME":
+			osNAME = strings.Trim(splitLine[1], "\"")
+		case "VERSION_ID":
+			version = strings.Trim(splitLine[1], "\"")
+		}
+	}
+	// Check distro name against list of distros
+	result.Release = version
+	switch osID {
+	case "fedora":
+		result.Distribution = Fedora
+	case "centos":
+		result.Distribution = CentOS
+	case "arch":
+		result.Distribution = Arch
+	case "debian":
+		result.Distribution = Debian
+	case "ubuntu":
+		result.Distribution = Ubuntu
+	case "gentoo":
+		result.Distribution = Gentoo
+	case "zorin":
+		result.Distribution = Zorin
+	case "parrot":
+		result.Distribution = Parrot
+	default:
+		result.Distribution = Unknown
+	}
+
+	result.ID = osID
+	result.Name = osNAME
+	return result
+}
+
 // EqueryInstalled uses equery to see if a package is installed
 func EqueryInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()
@@ -182,7 +191,6 @@ func RequestSupportForDistribution(distroInfo *DistroInfo, libraryName string) e
 	str.WriteString(fmt.Sprintf("| Distribution ID   | %s |\n", distroInfo.ID))
 	str.WriteString(fmt.Sprintf("| Distribution Name   | %s |\n", distroInfo.Name))
 	str.WriteString(fmt.Sprintf("| Distribution Version   | %s |\n", distroInfo.Release))
-	str.WriteString(fmt.Sprintf("| Discovered by   | %s |\n", distroInfo.DiscoveredBy))
 
 	body := fmt.Sprintf("**Description**\nDistribution '%s' is currently unsupported.\n\n**Further Information**\n\n%s\n\n*Please add any extra information here, EG: libraries that are needed to make the distribution work, or commands to install them*", distroInfo.ID, str.String())
 	fullURL := "https://github.com/wailsapp/wails/issues/new?"

cmd/linux_test.go

@@ -0,0 +1,26 @@
+package cmd
+
+import "testing"
+
+func TestUbuntuDetection(t *testing.T) {
+	osrelease := `
+NAME="Ubuntu"
+VERSION="18.04.2 LTS (Bionic Beaver)"
+ID=ubuntu
+ID_LIKE=debian
+PRETTY_NAME="Ubuntu 18.04.2 LTS"
+VERSION_ID="18.04"
+HOME_URL="https://www.ubuntu.com/"
+SUPPORT_URL="https://help.ubuntu.com/"
+BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
+PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
+VERSION_CODENAME=bionic
+UBUNTU_CODENAME=bionic
+`
+
+	result := parseOsRelease(osrelease)
+	if result.Distribution != Ubuntu {
+		t.Errorf("expected 'Ubuntu' ID but got '%d'", result.Distribution)
+	}
+
+}

cmd/linuxdb.go

@@ -0,0 +1,91 @@
+package cmd
+
+import (
+	"log"
+
+	"github.com/leaanthony/mewn"
+	"gopkg.in/yaml.v3"
+)
+
+// LinuxDB is the database for linux distribution data.
+type LinuxDB struct {
+	Distributions map[string]*Distribution `yaml:"distributions"`
+}
+
+// Distribution holds the os-release ID and a map of releases.
+type Distribution struct {
+	ID       string              `yaml:"id"`
+	Releases map[string]*Release `yaml:"releases"`
+}
+
+// GetRelease attempts to return the specific Release information
+// for the given release name. If there is no specific match, the
+// default release data is returned.
+func (d *Distribution) GetRelease(name string) *Release {
+	result := d.Releases[name]
+	if result == nil {
+		result = d.Releases["default"]
+	}
+	return result
+}
+
+// Release holds the name and version of the release as given by
+// os-release. Programs is a slice of dependant programs required
+// to be present on the local installation for Wails to function.
+// Libraries is a slice of libraries that must be present for Wails
+// applications to compile.
+type Release struct {
+	Name              string          `yaml:"name"`
+	Version           string          `yaml:"version"`
+	GccVersionCommand string          `yaml:"gccversioncommand"`
+	Programs          []*Prerequisite `yaml:"programs"`
+	Libraries         []*Prerequisite `yaml:"libraries"`
+}
+
+// Prerequisite is a simple struct containing a program/library name
+// plus the distribution specific help text indicating how to install
+// it.
+type Prerequisite struct {
+	Name string `yaml:"name"`
+	Help string `yaml:"help,omitempty"`
+}
+
+// Load will load the given filename from disk and attempt to
+// import the data into the LinuxDB.
+func (l *LinuxDB) Load(filename string) error {
+	if fs.FileExists(filename) {
+		data, err := fs.LoadAsBytes(filename)
+		if err != nil {
+			return err
+		}
+		return l.ImportData(data)
+	}
+	return nil
+}
+
+// ImportData will unmarshal the given YAML formatted data
+// into the LinuxDB
+func (l *LinuxDB) ImportData(data []byte) error {
+	return yaml.Unmarshal(data, l)
+}
+
+// GetDistro returns the Distribution information for the
+// given distribution name. If the distribution is not supported,
+// nil is returned.
+func (l *LinuxDB) GetDistro(name string) *Distribution {
+	return l.Distributions[name]
+}
+
+// NewLinuxDB creates a new LinuxDB instance from the bundled
+// linuxdb.yaml file.
+func NewLinuxDB() *LinuxDB {
+	data := mewn.Bytes("./linuxdb.yaml")
+	result := LinuxDB{
+		Distributions: make(map[string]*Distribution),
+	}
+	err := result.ImportData(data)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return &result
+}

cmd/linuxdb.yaml

@@ -0,0 +1,124 @@
+---
+distributions:
+  ubuntu:
+    id: ubuntu
+    releases:
+      default:
+        name: Ubuntu
+        version: default
+        gccversioncommand: &gccdumpfullversion -dumpfullversion
+        programs: &ubuntudefaultprograms
+          - name: gcc
+            help: Please install with `sudo apt install build-essential` and try again
+          - name: pkg-config
+            help: Please install with `sudo apt install pkg-config` and try again
+          - name: npm
+            help: Please install with `curl -sL https://deb.nodesource.com/setup_12.x | sudo bash - && sudo apt-get install -y nodejs` and try again
+        libraries: &ubuntudefaultlibraries
+          - name: libgtk-3-dev
+            help: Please install with `sudo apt install libgtk-3-dev` and try again
+          - name: libwebkit2gtk-4.0-dev
+            help: Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again
+  debian:
+    id: debian
+    releases:
+      default:
+        version: default
+        name: Debian
+        gccversioncommand: &gccdumpversion -dumpversion
+        programs: *ubuntudefaultprograms
+        libraries: *ubuntudefaultlibraries
+  parrot:
+    id: parrot
+    releases:
+      default:
+        version: default
+        name: Parrot
+        gccversioncommand: *gccdumpversion
+        programs: *ubuntudefaultprograms
+        libraries: *ubuntudefaultlibraries
+  zorin:
+    id: zorin
+    releases:
+      default:
+        version: default
+        name: Zorin
+        gccversioncommand: *gccdumpversion
+        programs:
+          - name: gcc
+            help: Please install with `sudo apt install build-essential` and try again
+          - name: pkg-config
+            help: Please install with `sudo apt install pkg-config` and try again
+          - name: npm
+            help: Please install with `sudo snap install node --channel=12/stable --classic` and try again
+        libraries: *ubuntudefaultlibraries
+  centos:
+    id: centos
+    releases:
+      default:
+        version: default
+        name: CentOS
+        gccversioncommand: *gccdumpversion
+        programs:
+          - name: gcc
+            help: Please install with `sudo yum install gcc-c++ make` and try again
+          - name: pkg-config
+            help: Please install with `sudo yum install pkgconf-pkg-config` and try again
+          - name: npm
+            help: Please install with `curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash - && sudo yum install -y nodejs` and try again
+        libraries: &centosdefaultlibraries
+          - name: gtk3-devel
+            help: Please install with `sudo yum install gtk3-devel` and try again
+          - name: webkit2gtk3-devel
+            help: Please install with `sudo yum install webkit2gtk3-devel` and try again
+  fedora:
+    id: fedora
+    releases:
+      default:
+        version: default
+        name: Fedora
+        gccversioncommand: *gccdumpfullversion
+        programs:
+          - name: gcc
+            help: Please install with `sudo yum install gcc-c++ make` and try again
+          - name: pkg-config
+            help: Please install with `sudo yum install pkgconf-pkg-config` and try again
+          - name: npm
+            help: Please install `sudo yum install -y nodejs` and try again
+        libraries: *centosdefaultlibraries
+  arch:
+    id: arch
+    releases:
+      default:
+        version: default
+        name: Arch Linux
+        gccversioncommand: *gccdumpversion
+        prerequisites:
+        - name: gtk3
+          help: Please install with `sudo pacman -S gtk3` and try again
+        - name: webkit2gtk
+          help: Please install with `sudo pacman -S webkit2gtk` and try again
+        - name: gcc
+          help: Please install with `sudo pacman -S gcc` and try again
+        - name: pkgconf
+          help: Please install with `sudo pacman -S pkgconf` and try again
+        - name: npm
+          help: Please install with `sudo pacman -S npm` and try again
+  gentoo:
+    id: gentoo
+    releases:
+      default:
+        version: default
+        name: Gentoo
+        gccversioncommand: *gccdumpversion
+        prerequisites:
+        - name: gtk+:3
+          help: Please install with `sudo emerge gtk+:3` and try again
+        - name: webkit-gtk
+          help: Please install with `sudo emerge webkit-gtk` and try again
+        - name: gcc
+          help: Please install using your system's package manager
+        - name: pkg-config
+          help: Please install using your system's package manager
+        - name: npm
+          help: Please install using your system's package manager

cmd/linuxdb_test.go

@@ -0,0 +1,81 @@
+package cmd
+
+import "testing"
+
+func TestNewLinuxDB(t *testing.T) {
+	_ = NewLinuxDB()
+}
+
+func TestKnownDistro(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+}
+
+func TestUnknownDistro(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("unknown")
+	if result != nil {
+		t.Error("Should get nil for distribution 'unknown'")
+	}
+}
+
+func TestDefaultRelease(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+
+	release := result.GetRelease("default")
+	if release == nil {
+		t.Error("Cannot get release 'default' for distro 'ubuntu'")
+	}
+}
+
+func TestUnknownRelease(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+
+	release := result.GetRelease("16.04")
+	if release == nil {
+		t.Error("Failed to get release 'default' for unknown release version '16.04'")
+	}
+
+	if release.Version != "default" {
+		t.Errorf("Got version '%s' instead of 'default' for unknown release version '16.04'", result.ID)
+	}
+}
+
+func TestGetPrerequisites(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("debian")
+	if result == nil {
+		t.Error("Cannot get distro 'debian'")
+	}
+
+	release := result.GetRelease("default")
+	if release == nil {
+		t.Error("Failed to get release 'default' for unknown release version '16.04'")
+	}
+
+	if release.Version != "default" {
+		t.Errorf("Got version '%s' instead of 'default' for unknown release version '16.04'", result.ID)
+	}
+
+	if release.Name != "Debian" {
+		t.Errorf("Got Release Name '%s' instead of 'debian' for unknown release version '16.04'", release.Name)
+	}
+
+	if len(release.Programs) != 3 {
+		t.Errorf("Expected %d programs for unknown release version '16.04'", len(release.Programs))
+	}
+	if len(release.Libraries) != 2 {
+		t.Errorf("Expected %d libraries for unknown release version '16.04'", len(release.Libraries))
+	}
+}

cmd/prerequisites.go

@@ -5,13 +5,6 @@ import (
 	"runtime"
 )
 
-// Prerequisite defines a Prerequisite!
-type Prerequisite struct {
-	Name string
-	Help string
-	Path string
-}
-
 func newPrerequisite(name, help string) *Prerequisite {
 	return &Prerequisite{Name: name, Help: help}
 }
@@ -48,43 +41,13 @@ func getRequiredProgramsOSX() *Prerequisites {
 func getRequiredProgramsLinux() *Prerequisites {
 	result := &Prerequisites{}
 	distroInfo := GetLinuxDistroInfo()
-	switch distroInfo.Distribution {
-	case Debian:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo apt install build-essentials` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo apt install pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `curl -sL https://deb.nodesource.com/setup_12.x | sudo bash - && sudo apt-get install -y nodejs` and try again"))
-	case Ubuntu:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo apt install build-essentials` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo apt install pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash - && sudo apt-get install -y nodejs` and try again"))
-	case Arch:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo pacman -S base-devel` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo pacman -S base-devel` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `pacman -S npm nodejs` and try again"))
-	case CentOS:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo yum install gcc gcc-c++ make` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo yum install pkgconfig` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash - && sudo yum install -y nodejs` and try again"))
-	case Fedora:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo yum install gcc-c++ make` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo yum install pkgconf-pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `curl -sL https://rpm.nodesource.com/setup_12.x |  sudo bash - && sudo yum install -y nodejs` and try again"))
-	case Gentoo:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo emerge gcc make` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo emerge pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `sudo emerge nodejs` and try again"))
-	case Zorin:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo apt install build-essentials` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo apt install pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `sudo snap install node --channel=12/stable --classic` and try again"))
-	case Parrot:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo apt install build-essentials` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo apt install pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `sudo apt install npm nodejs` and try again"))
-	default:
-		result.Add(newPrerequisite("gcc", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("npm", "Please install from https://nodejs.org/en/download/ and try again"))
+	if distroInfo.Distribution != Unknown {
+		var linuxDB = NewLinuxDB()
+		distro := linuxDB.GetDistro(distroInfo.ID)
+		release := distro.GetRelease(distroInfo.Release)
+		for _, program := range release.Programs {
+			result.Add(program)
+		}
 	}
 	return result
 }
@@ -118,35 +81,15 @@ func getRequiredLibrariesOSX() (*Prerequisites, error) {
 
 func getRequiredLibrariesLinux() (*Prerequisites, error) {
 	result := &Prerequisites{}
+	// The Linux Distribution DB
 	distroInfo := GetLinuxDistroInfo()
-	switch distroInfo.Distribution {
-	case Debian:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with `sudo apt install libgtk-3-dev` and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again"))
-	case Ubuntu:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with `sudo apt install libgtk-3-dev` and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again"))
-	case Arch:
-		result.Add(newPrerequisite("gtk3", "Please install with `sudo pacman -S gtk3` and try again"))
-		result.Add(newPrerequisite("webkit2gtk", "Please install with `sudo pacman -S webkit2gtk` and try again"))
-	case CentOS:
-		result.Add(newPrerequisite("gtk3-devel", "Please install with `sudo yum install gtk3-devel` and try again"))
-		result.Add(newPrerequisite("webkitgtk3-devel", "Please install with `sudo yum install webkitgtk3-devel` and try again"))
-	case Fedora:
-		result.Add(newPrerequisite("gtk3-devel", "Please install with `sudo yum install gtk3-devel` and try again"))
-		result.Add(newPrerequisite("webkit2gtk3-devel", "Please install with `sudo yum install webkit2gtk3-devel` and try again"))
-	case Gentoo:
-		result.Add(newPrerequisite("gtk+:3", "Please install with `sudo emerge gtk+:3` and try again"))
-		result.Add(newPrerequisite("webkit-gtk", "Please install with `sudo emerge webkit-gtk` and try again"))
-	case Zorin:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with `sudo apt install libgtk-3-dev` and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again"))
-	case Parrot:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with `sudo apt install libgtk-3-dev` and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again"))
-	default:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with your system package manager and try again"))
+	if distroInfo.Distribution != Unknown {
+		var linuxDB = NewLinuxDB()
+		distro := linuxDB.GetDistro(distroInfo.ID)
+		release := distro.GetRelease(distroInfo.Release)
+		for _, library := range release.Libraries {
+			result.Add(library)
+		}
 	}
 	return result, nil
 }

cmd/wails/9_issue.go

@@ -58,24 +58,23 @@ To help you in this process, we will ask for some information, add Go/Wails deta
 		case "linux":
 			// for linux we have to collect
 			// the distribution name
-			distro := cmd.GetLinuxDistroInfo()
-			// and use it as nested switch
-			switch distro.ID {
-			default: // most supported distros are printing the right result with just 'gcc -dumpversion'
-				gcc := program.FindProgram("gcc")
-				if gcc != nil {
-					stdout, _, _, _ := gcc.Run("-dumpversion")
-					gccVersion = strings.TrimSpace(stdout)
-				}
-			case "fedora", "ubuntu": // except fedora & ubuntu that require 'gcc -dumpfullversion'
-				gcc := program.FindProgram("gcc")
-				if gcc != nil {
-					stdout, _, _, _ := gcc.Run("-dumpfullversion")
-					gccVersion = strings.TrimSpace(stdout)
-				}
-			}
+			distroInfo := cmd.GetLinuxDistroInfo()
+			linuxDB := cmd.NewLinuxDB()
+			distro := linuxDB.GetDistro(distroInfo.ID)
+			release := distro.GetRelease(distroInfo.Release)
+			gccVersionCommand := release.GccVersionCommand
 
-			// TODO: windows support
+			gcc := program.FindProgram("gcc")
+			if gcc != nil {
+				stdout, _, _, _ := gcc.Run(gccVersionCommand)
+				gccVersion = strings.TrimSpace(stdout)
+			}
+		case "windows":
+			gcc := program.FindProgram("gcc")
+			if gcc != nil {
+				stdout, _, _, _ := gcc.Run("-dumpversion")
+				gccVersion = strings.TrimSpace(stdout)
+			}
 		}
 
 		npm := program.FindProgram("npm")

go.mod

@@ -27,4 +27,5 @@ require (
 	golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 // indirect
 	golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862
 	gopkg.in/AlecAivazis/survey.v1 v1.8.4
+	gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22
 )

go.sum

@@ -89,3 +89,7 @@ golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4 h1:10xXXN3wgIhPheb5NI58zFgZv32Ana7P3Tl4shW+0Qc=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4/go.mod h1:iBNOmqKz/NUbZx3bA+4hAGLRC7fSK7tgtVDT4tB22XA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22 h1:0efs3hwEZhFKsCoP8l6dDB1AZWMgnEl3yWXWRZTOaEA=
+gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=