Update query parameter and make HTTPS by default (#4)

Resolves #2
Resolves #3

Co-authored-by: jolheiser <john.olheiser@gmail.com>
Reviewed-on: https://gitea.com/jolheiser/git-import/pulls/4
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-committed-by: John Olheiser <john.olheiser@gmail.com>

main.go

@@ -15,13 +15,14 @@ import (
 var (
 	Version = "develop"
 
-	output  string
-	author  string
-	email   string
-	gpg     string
-	display bool
-	ssh     bool
-	debug   bool
+	output   string
+	author   string
+	email    string
+	gpg      string
+	display  bool
+	ssh      bool
+	insecure bool
+	debug    bool
 )
 
 func main() {
@@ -66,13 +67,17 @@ func main() {
 			Usage:       "GPG key to sign with",
 			Destination: &gpg,
 		},
+		&cli.BoolFlag{
+			Name:        "insecure",
+			Usage:       "Use HTTP instead of HTTPS by default",
+			Destination: &insecure,
+		},
 		&cli.BoolFlag{
 			Name:        "debug",
 			Usage:       "Enable debug logging",
 			Destination: &debug,
 		},
 	}
-	app.UseShortOptionHandling = true
 	app.Action = doImport
 
 	if err := app.Run(os.Args); err != nil {
@@ -95,8 +100,12 @@ func doImport(ctx *cli.Context) error {
 		return err
 	}
 	if u.Scheme == "" {
-		u.Scheme = "http"
+		u.Scheme = "https"
+		if insecure {
+			u.Scheme = "http"
+		}
 	}
+	u.RawQuery = "git-import=1"
 
 	beaver.Debugf("Getting git-import from %s", u.String())
 	res, err := http.Get(u.String())