#158: escapes backticks, which is a problem in shells like Bash

pkg/commands/os.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/exec"
 	"runtime"
+	"regexp"
 
 	"github.com/davecgh/go-spew/spew"
 
@@ -170,5 +171,7 @@ func (c *OSCommand) PrepareSubProcess(cmdName string, commandArgs ...string) (*e
 
 // Quote wraps a message in platform-specific quotation marks
 func (c *OSCommand) Quote(message string) string {
+        r := regexp.MustCompile("`")
+        message = r.ReplaceAllString(message, "\\`")
 	return c.Platform.escapedQuote + message + c.Platform.escapedQuote
 }

pkg/commands/os_test.go

@@ -0,0 +1,16 @@
+package commands
+
+import "testing"
+
+func TestQuote(t *testing.T) {
+	osCommand := &OSCommand {
+		Log: nil,
+		Platform: getPlatform(),
+	}
+	test := "hello `test`"
+	expected := osCommand.Platform.escapedQuote + "hello \\`test\\`" + osCommand.Platform.escapedQuote
+	test = osCommand.Quote(test)
+	if test != expected {
+		t.Error("Expected " + expected + ", got " + test)
+	}
+}