From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Thu, 21 Mar 2019 14:24:50 +0000 (+0100)
Subject: nspawn: add --no-pager switch
X-Git-Tag: v242~138
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bb068de080754a3bc3d54719e4247269f2b16c60;p=platform%2Fupstream%2Fsystemd.git

nspawn: add --no-pager switch

It only matters for --help.
---

diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index 9bc4bb7..5ba162b 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -1325,12 +1325,15 @@
         <listitem><para>Equivalent to <option>--console=pipe</option>.</para></listitem>
       </varlistentry>
 
+      <xi:include href="standard-options.xml" xpointer="no-pager" />
       <xi:include href="standard-options.xml" xpointer="help" />
       <xi:include href="standard-options.xml" xpointer="version" />
     </variablelist>
    </refsect2>
   </refsect1>
 
+  <xi:include href="less-variables.xml" />
+
   <refsect1>
     <title>Examples</title>
 
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 0cb2075..a753c80 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -187,6 +187,7 @@ static char **arg_network_veth_extra = NULL;
 static char *arg_network_bridge = NULL;
 static char *arg_network_zone = NULL;
 static char *arg_network_namespace_path = NULL;
+static PagerFlags arg_pager_flags = 0;
 static unsigned long arg_personality = PERSONALITY_INVALID;
 static char *arg_image = NULL;
 static char *arg_oci_bundle = NULL;
@@ -232,7 +233,7 @@ static int help(void) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(false);
+        (void) pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("systemd-nspawn", "1", &link);
         if (r < 0)
@@ -243,6 +244,7 @@ static int help(void) {
                "  -h --help                 Show this help\n"
                "     --version              Print version string\n"
                "  -q --quiet                Do not show status information\n"
+               "     --no-pager             Do not pipe output into a pager\n"
                "     --settings=BOOLEAN     Load additional settings from .nspawn file\n\n"
                "%3$sImage:%4$s\n"
                "  -D --directory=PATH       Root directory for the container\n"
@@ -557,6 +559,7 @@ static int parse_argv(int argc, char *argv[]) {
                 ARG_CONSOLE,
                 ARG_PIPE,
                 ARG_OCI_BUNDLE,
+                ARG_NO_PAGER,
         };
 
         static const struct option options[] = {
@@ -621,6 +624,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "console",                required_argument, NULL, ARG_CONSOLE                },
                 { "pipe",                   no_argument,       NULL, ARG_PIPE                   },
                 { "oci-bundle",             required_argument, NULL, ARG_OCI_BUNDLE             },
+                { "no-pager",               no_argument,       NULL, ARG_NO_PAGER               },
                 {}
         };
 
@@ -1365,6 +1369,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_settings_mask |= SETTING_CONSOLE_MODE;
                         break;
 
+                case ARG_NO_PAGER:
+                        arg_pager_flags |= PAGER_DISABLE;
+                        break;
+
                 case '?':
                         return -EINVAL;