If STDOUT isn't a TTY, don't try to be interactive

akamai.go

@@ -36,6 +36,7 @@ import (
 
 	"github.com/briandowns/spinner"
 	"github.com/fatih/color"
+	"github.com/mattn/go-isatty"
 	"github.com/mitchellh/go-homedir"
 	"github.com/urfave/cli"
 	"gopkg.in/src-d/go-git.v4"
@@ -690,6 +691,10 @@ func installPackage(dir string, forceBinary bool) bool {
 					status.Stop()
 					color.Cyan(err.Error())
 					if !forceBinary {
+						if !isatty.IsTerminal(os.Stdout.Fd()) && !isatty.IsCygwinTerminal(os.Stdout.Fd()) {
+							return false
+						}
+
 						fmt.Print("Binary command(s) found, would you like to try download and install it? (Y/n): ")
 						answer := ""
 						fmt.Scanln(&answer)

firstrun.go

@@ -13,9 +13,14 @@ import (
 
 	"github.com/fatih/color"
 	"github.com/kardianos/osext"
+	"github.com/mattn/go-isatty"
 )
 
 func firstRun() error {
+	if !isatty.IsTerminal(os.Stdout.Fd()) && !isatty.IsCygwinTerminal(os.Stdout.Fd()) {
+		return nil
+	}
+
 	selfPath, err := osext.Executable()
 	if err != nil {
 		return err

glide.yaml

@@ -14,3 +14,5 @@ import:
   version: ^1.0.0
 - package: github.com/src-d/go-git
   version: ~4.0.0-rc13
+- package: github.com/mattn/go-isatty
+  version: ^0.0.3

upgrade.go

@@ -18,9 +18,14 @@ import (
 	"github.com/fatih/color"
 	"github.com/inconshreveable/go-update"
 	"github.com/kardianos/osext"
+	"github.com/mattn/go-isatty"
 )
 
 func checkForUpgrade(force bool) string {
+	if !isatty.IsTerminal(os.Stdout.Fd()) && !isatty.IsCygwinTerminal(os.Stdout.Fd()) {
+		return ""
+	}
+
 	cliPath, _ := getAkamaiCliPath()
 	upgradeFile := cliPath + string(os.PathSeparator) + ".upgrade-check"
 	data, err := ioutil.ReadFile(upgradeFile)