From aa271d649836983f7c5ec991c8ecd393e9e8e68e Mon Sep 17 00:00:00 2001
From: Lea Anthony <lea.anthony@gmail.com>
Date: Sat, 21 Nov 2020 11:43:13 +1100
Subject: [PATCH] Support git init. Get author details.

---
 .../commands/initialise/initialise.go         | 55 +++++++++++++++++++
 v2/internal/templates/templates.go            |  8 ++-
 .../templates/vanilla/wails.tmpl.json         |  6 +-
 v2/pkg/git/git.go                             | 38 +++++++++++++
 4 files changed, 105 insertions(+), 2 deletions(-)
 create mode 100644 v2/pkg/git/git.go

diff --git a/v2/cmd/wails/internal/commands/initialise/initialise.go b/v2/cmd/wails/internal/commands/initialise/initialise.go
index 8652d412f..cf0d49505 100644
--- a/v2/cmd/wails/internal/commands/initialise/initialise.go
+++ b/v2/cmd/wails/internal/commands/initialise/initialise.go
@@ -7,8 +7,10 @@ import (
 	"time"
 
 	"github.com/leaanthony/clir"
+	"github.com/pkg/errors"
 	"github.com/wailsapp/wails/v2/internal/templates"
 	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/git"
 )
 
 // AddSubcommand adds the `init` command for the Wails application
@@ -39,6 +41,13 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 	quiet := false
 	command.BoolFlag("q", "Supress output to console", &quiet)
 
+	initGit := false
+	gitInstalled := git.IsInstalled()
+	if gitInstalled {
+		// Git Init
+		command.BoolFlag("g", "Initialise git repository", &initGit)
+	}
+
 	// VSCode project files
 	vscode := false
 	command.BoolFlag("vscode", "Generate VSCode project files", &vscode)
@@ -92,6 +101,13 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 			TemplateName:   templateName,
 			Logger:         logger,
 			GenerateVSCode: vscode,
+			InitGit:        initGit,
+		}
+
+		// Try to discover author details from git config
+		err := findAuthorDetails(options)
+		if err != nil {
+			return err
 		}
 
 		return initProject(options)
@@ -112,6 +128,13 @@ func initProject(options *templates.Options) error {
 		return err
 	}
 
+	if options.InitGit {
+		err = initGit(options)
+		if err != nil {
+			return err
+		}
+	}
+
 	// Output stats
 	elapsed := time.Since(start)
 	options.Logger.Println("")
@@ -122,9 +145,41 @@ func initProject(options *templates.Options) error {
 	if options.GenerateVSCode {
 		options.Logger.Println("VSCode config files generated.")
 	}
+	if options.InitGit {
+		options.Logger.Println("Git repository initialised.")
+	}
 	options.Logger.Println("")
 	options.Logger.Println(fmt.Sprintf("Initialised project '%s' in %s.", options.ProjectName, elapsed.Round(time.Millisecond).String()))
 	options.Logger.Println("")
 
 	return nil
 }
+
+func initGit(options *templates.Options) error {
+	err := git.InitRepo(options.TargetDir)
+	if err != nil {
+		return errors.Wrap(err, "Unable to initialise git repository:")
+	}
+
+	return nil
+}
+
+func findAuthorDetails(options *templates.Options) error {
+	if git.IsInstalled() {
+		name, err := git.Name()
+		if err != nil {
+			return err
+		}
+		options.AuthorName = strings.TrimSpace(name)
+
+		email, err := git.Email()
+		if err != nil {
+			return err
+		}
+		options.AuthorEmail = strings.TrimSpace(email)
+
+		println("Name", name, "Email", email)
+	}
+
+	return nil
+}
diff --git a/v2/internal/templates/templates.go b/v2/internal/templates/templates.go
index ea7363456..c0891ebe0 100644
--- a/v2/internal/templates/templates.go
+++ b/v2/internal/templates/templates.go
@@ -26,7 +26,8 @@ type Data struct {
 	BinaryName     string
 	WailsVersion   string
 	NPMProjectName string
-	Author         string
+	AuthorName     string
+	AuthorEmail    string
 	WailsDirectory string
 }
 
@@ -40,6 +41,9 @@ type Options struct {
 	GenerateVSCode      bool
 	PathToDesktopBinary string
 	PathToServerBinary  string
+	InitGit             bool
+	AuthorName          string
+	AuthorEmail         string
 }
 
 // Template holds data relating to a template
@@ -224,6 +228,8 @@ func Install(options *Options) error {
 		BinaryName:     filepath.Base(options.TargetDir),
 		NPMProjectName: NPMProjectName,
 		WailsDirectory: localWailsDirectory,
+		AuthorEmail:    options.AuthorEmail,
+		AuthorName:     options.AuthorName,
 	}
 
 	// Extract the template
diff --git a/v2/internal/templates/templates/vanilla/wails.tmpl.json b/v2/internal/templates/templates/vanilla/wails.tmpl.json
index 0386d2ba3..1cf6df051 100644
--- a/v2/internal/templates/templates/vanilla/wails.tmpl.json
+++ b/v2/internal/templates/templates/vanilla/wails.tmpl.json
@@ -1,5 +1,9 @@
 {
     "name": "{{.ProjectName}}",
     "outputfilename": "{{.BinaryName}}",
-    "html": "frontend/index.html"
+    "html": "frontend/index.html",
+    "author": {
+        "name": "{{.AuthorName}}",
+        "email": "{{.AuthorEmail}}"
+    }
 }
\ No newline at end of file
diff --git a/v2/pkg/git/git.go b/v2/pkg/git/git.go
new file mode 100644
index 000000000..844fd452f
--- /dev/null
+++ b/v2/pkg/git/git.go
@@ -0,0 +1,38 @@
+package git
+
+import (
+	"runtime"
+
+	"github.com/wailsapp/wails/v2/internal/shell"
+)
+
+func gitcommand() string {
+	gitcommand := "git"
+	if runtime.GOOS == "windows" {
+		gitcommand = "git.exe"
+	}
+
+	return gitcommand
+}
+
+// IsInstalled returns true if git is installed for the given platform
+func IsInstalled() bool {
+	return shell.CommandExists(gitcommand())
+}
+
+// Email tries to retrieve the
+func Email() (string, error) {
+	stdout, _, err := shell.RunCommand(".", gitcommand(), "config", "user.email")
+	return stdout, err
+}
+
+// Name tries to retrieve the
+func Name() (string, error) {
+	stdout, _, err := shell.RunCommand(".", gitcommand(), "config", "user.name")
+	return stdout, err
+}
+
+func InitRepo(projectDir string) error {
+	_, _, err := shell.RunCommand(projectDir, gitcommand(), "init")
+	return err
+}