add darwin support for verification if shell is interactive

CHANGELOG.md

@@ -1,4 +1,5 @@
 * cross compile on Linux and Darwin
+* add Darwin support for verification if shell is interactive, thanks to [#2](https://github.com/ai-traders/dojo/pull/2), [@Eiffel-Alpine](https://github.com/Eiffel-Alpine)
 
 ### 0.3.1 (2019-Feb-04)
 

os_dependent_utils_darwin.go

@@ -0,0 +1,7 @@
+// +build darwin
+
+package main
+
+import "syscall"
+
+const ioctlReadTermios = syscall.TIOCGETA

os_dependent_utils_linux.go

@@ -0,0 +1,7 @@
+// +build linux
+
+package main
+
+import "syscall"
+
+const ioctlReadTermios = syscall.TCGETS

shell.go

@@ -93,10 +93,9 @@ func (bs BashShellService) RunGetOutput(cmdString string, separatePGroup bool) (
 func (bs BashShellService) CheckIfInteractive() bool {
 	// stolen from: https://github.com/mattn/go-isatty/blob/master/isatty_linux.go
 	fd := os.Stdout.Fd()
-	const ioctlReadTermios = syscall.TCGETS
 
 	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
+	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, uintptr(ioctlReadTermios), uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
 	interactive := (err == 0)
 	bs.Logger.Log("debug", fmt.Sprintf("Current shell is interactive: %v", interactive))
 	return interactive