Add the pager config option

mislav · mislav · commit f6dd1bcd0af1 · 2020-09-16T16:15:37.000+02:00
diff --git a/cmd/gh/main.go b/cmd/gh/main.go
@@ -51,12 +51,14 @@ func main() {
 		os.Exit(2)
 	}
 
-	prompt, _ := cfg.Get("", "prompt")
-
-	if prompt == config.PromptsDisabled {
+	if prompt, _ := cfg.Get("", "prompt"); prompt == config.PromptsDisabled {
 		cmdFactory.IOStreams.SetNeverPrompt(true)
 	}
 
+	if pager, _ := cfg.Get("", "pager"); pager != "" {
+		cmdFactory.IOStreams.SetPager(pager)
+	}
+
 	expandedArgs := []string{}
 	if len(os.Args) > 0 {
 		expandedArgs = os.Args[1:]
diff --git a/internal/config/config_type.go b/internal/config/config_type.go
@@ -180,6 +180,15 @@ func NewBlankRoot() *yaml.Node {
 						Kind:  yaml.ScalarNode,
 						Value: PromptsEnabled,
 					},
+					{
+						HeadComment: "A pager program to send command output to. Example value: less",
+						Kind:        yaml.ScalarNode,
+						Value:       "pager",
+					},
+					{
+						Kind:  yaml.ScalarNode,
+						Value: "",
+					},
 					{
 						HeadComment: "Aliases allow you to create nicknames for gh commands",
 						Kind:        yaml.ScalarNode,
diff --git a/internal/config/config_type_test.go b/internal/config/config_type_test.go
@@ -45,6 +45,8 @@ func Test_defaultConfig(t *testing.T) {
 		editor:
 		# When to interactively prompt. This is a global config that cannot be overriden by hostname. Supported values: enabled, disabled
 		prompt: enabled
+		# A pager program to send command output to. Example value: less
+		pager:
 		# Aliases allow you to create nicknames for gh commands
 		aliases:
 		    co: pr checkout
diff --git a/pkg/iostreams/iostreams.go b/pkg/iostreams/iostreams.go
@@ -92,6 +92,10 @@ func (s *IOStreams) IsStderrTTY() bool {
 	return false
 }
 
+func (s *IOStreams) SetPager(cmd string) {
+	s.pagerCommand = cmd
+}
+
 func (s *IOStreams) StartPager() error {
 	if s.pagerCommand == "" || !s.IsStdoutTTY() {
 		return nil
