Add GlobalBoolT

Fixes #206

CHANGELOG.md

@@ -5,6 +5,7 @@
 ## [Unreleased]
 ### Added
 - Pluggable flag-level help text rendering via `cli.DefaultFlagStringFunc`
+- `context.GlobalBoolT` was added as an analogue to `context.GlobalBool`
 
 ### Changed
 - `Float64Flag`, `IntFlag`, and `DurationFlag` default values are no longer

context.go

@@ -104,6 +104,14 @@ func (c *Context) GlobalBool(name string) bool {
 	return false
 }
 
+// Looks up the value of a global bool flag, returns true if no bool flag exists
+func (c *Context) GlobalBoolT(name string) bool {
+	if fs := lookupGlobalFlagSet(name, c); fs != nil {
+		return lookupBoolT(name, fs)
+	}
+	return false
+}
+
 // Looks up the value of a global string flag, returns "" if no string flag exists
 func (c *Context) GlobalString(name string) string {
 	if fs := lookupGlobalFlagSet(name, c); fs != nil {

context_test.go

@@ -82,6 +82,30 @@ func TestContext_BoolT(t *testing.T) {
 	expect(t, c.BoolT("myflag"), true)
 }
 
+func TestContext_GlobalBool(t *testing.T) {
+	set := flag.NewFlagSet("test", 0)
+
+	globalSet := flag.NewFlagSet("test-global", 0)
+	globalSet.Bool("myflag", false, "doc")
+	globalCtx := NewContext(nil, globalSet, nil)
+
+	c := NewContext(nil, set, globalCtx)
+	expect(t, c.GlobalBool("myflag"), false)
+	expect(t, c.GlobalBool("nope"), false)
+}
+
+func TestContext_GlobalBoolT(t *testing.T) {
+	set := flag.NewFlagSet("test", 0)
+
+	globalSet := flag.NewFlagSet("test-global", 0)
+	globalSet.Bool("myflag", true, "doc")
+	globalCtx := NewContext(nil, globalSet, nil)
+
+	c := NewContext(nil, set, globalCtx)
+	expect(t, c.GlobalBoolT("myflag"), true)
+	expect(t, c.GlobalBoolT("nope"), false)
+}
+
 func TestContext_Args(t *testing.T) {
 	set := flag.NewFlagSet("test", 0)
 	set.Bool("myflag", false, "doc")