From 59f2f4cfd399275c3da061212fc25636ee72367f Mon Sep 17 00:00:00 2001
From: Djalal Harouni <tixxdz@opendz.org>
Date: Thu, 12 Dec 2013 00:22:48 +0100
Subject: [PATCH] journal: pipe journalctl help output into a pager

journalctl help output might run off the screen, so be consistent
as other systemd tools do and pipe it into a pager.
---
 src/journal/journalctl.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index a5c4779..71e28b0 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -114,8 +114,18 @@ typedef struct boot_id_t {
         uint64_t last;
 } boot_id_t;
 
+static void pager_open_if_enabled(void) {
+
+        if (arg_no_pager)
+                return;
+
+        pager_open(arg_pager_end);
+}
+
 static int help(void) {
 
+        pager_open_if_enabled();
+
         printf("%s [OPTIONS...] [MATCHES...]\n\n"
                "Query the journal.\n\n"
                "Flags:\n"
@@ -1635,8 +1645,8 @@ int main(int argc, char *argv[]) {
                 return EXIT_FAILURE;
         }
 
-        if (!arg_no_pager && !arg_follow)
-                pager_open(arg_pager_end);
+        if (!arg_follow)
+                pager_open_if_enabled();
 
         if (!arg_quiet) {
                 usec_t start, end;