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authorHarald Hoyer <harald@redhat.com>2013-03-07 20:44:35 +0100
committerLennart Poettering <lennart@poettering.net>2013-03-07 21:16:04 +0100
commit1b12a7b5896f94bdf33b3a6661ebabd761ea6adc (patch)
treec3ddd126dbf7e0b9267425a32bd656f04cf83383
parent6aa8d43ade72e24c9426e604f7fc4b7582b9db7c (diff)
pager: introduce "jump to end" option
$ journalctl -be is what you want :) https://bugzilla.redhat.com/show_bug.cgi?id=867841
-rw-r--r--man/journalctl.xml14
-rw-r--r--src/cgls/cgls.c2
-rw-r--r--src/delta/delta.c2
-rw-r--r--src/journal/coredumpctl.c2
-rw-r--r--src/journal/journalctl.c11
-rw-r--r--src/locale/localectl.c2
-rw-r--r--src/login/loginctl.c2
-rw-r--r--src/shared/pager.c7
-rw-r--r--src/shared/pager.h2
-rw-r--r--src/systemctl/systemctl.c2
-rw-r--r--src/timedate/timedatectl.c2
11 files changed, 36 insertions, 12 deletions
diff --git a/man/journalctl.xml b/man/journalctl.xml
index e2740e4213..201f66a3b5 100644
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -163,6 +163,20 @@
</varlistentry>
<varlistentry>
+ <term><option>-e</option></term>
+ <term><option>--pager-end</option></term>
+
+ <listitem><para>Immediately jump to
+ the end of the journal inside the
+ implied pager tool. Very useful in
+ combination with the
+ <option>-b</option> option. Note that
+ this is only supported for the
+ <citerefentry><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ pager.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-n</option></term>
<term><option>--lines=</option></term>
diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c
index a05f9795be..e649b75df6 100644
--- a/src/cgls/cgls.c
+++ b/src/cgls/cgls.c
@@ -132,7 +132,7 @@ int main(int argc, char *argv[]) {
}
if (!arg_no_pager) {
- r = pager_open();
+ r = pager_open(false);
if (r > 0) {
if (arg_full == -1)
arg_full = true;
diff --git a/src/delta/delta.c b/src/delta/delta.c
index 16b10021b7..aec3dc8995 100644
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -454,7 +454,7 @@ int main(int argc, char *argv[]) {
arg_flags |= SHOW_OVERRIDDEN;
if (!arg_no_pager)
- pager_open();
+ pager_open(false);
if (optind < argc) {
int i;
diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index b6e558186d..8bfab0075f 100644
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -560,7 +560,7 @@ int main(int argc, char *argv[]) {
case ACTION_LIST:
if (!arg_no_pager)
- pager_open();
+ pager_open(false);
r = dump_list(j);
break;
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index c90fecd239..5fb2db3ba5 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -56,6 +56,7 @@
#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_pager_end = false;
static bool arg_follow = false;
static bool arg_full = false;
static bool arg_all = false;
@@ -103,6 +104,7 @@ static int help(void) {
" -u --unit=UNIT Show data only from the specified unit\n"
" --user-unit=UNIT Show data only from the specified user session unit\n"
" -p --priority=RANGE Show only messages within the specified priority range\n"
+ " -e --pager-end Immediately jump to end of the journal in the pager\n"
" -f --follow Follow journal\n"
" -n --lines[=INTEGER] Number of journal entries to show\n"
" --no-tail Show all lines, even in follow mode\n"
@@ -163,6 +165,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "help", no_argument, NULL, 'h' },
{ "version" , no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "pager-end", no_argument, NULL, 'e' },
{ "follow", no_argument, NULL, 'f' },
{ "output", required_argument, NULL, 'o' },
{ "all", no_argument, NULL, 'a' },
@@ -199,7 +202,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hfo:an::qmbD:p:c:u:F:xr", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hefo:an::qmbD:p:c:u:F:xr", options, NULL)) >= 0) {
switch (c) {
@@ -216,6 +219,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_no_pager = true;
break;
+ case 'e':
+ arg_pager_end = true;
+ break;
+
case 'f':
arg_follow = true;
break;
@@ -1075,7 +1082,7 @@ int main(int argc, char *argv[]) {
}
if (!arg_no_pager && !arg_follow)
- pager_open();
+ pager_open(arg_pager_end);
if (!arg_quiet) {
usec_t start, end;
diff --git a/src/locale/localectl.c b/src/locale/localectl.c
index ce31e1ffce..9f996dbc98 100644
--- a/src/locale/localectl.c
+++ b/src/locale/localectl.c
@@ -53,7 +53,7 @@ static void pager_open_if_enabled(void) {
if (arg_no_pager)
return;
- pager_open();
+ pager_open(false);
}
static void polkit_agent_open_if_enabled(void) {
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index 473c77b92d..fe27003a92 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -58,7 +58,7 @@ static void pager_open_if_enabled(void) {
if (arg_no_pager)
return;
- pager_open();
+ pager_open(false);
}
static void polkit_agent_open_if_enabled(void) {
diff --git a/src/shared/pager.c b/src/shared/pager.c
index 5165d2b1c8..4ffb530e93 100644
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -44,7 +44,7 @@ _noreturn_ static void pager_fallback(void) {
_exit(EXIT_SUCCESS);
}
-int pager_open(void) {
+int pager_open(bool jump_to_end) {
int fd[2];
const char *pager;
pid_t parent_pid;
@@ -85,7 +85,10 @@ int pager_open(void) {
dup2(fd[0], STDIN_FILENO);
close_pipe(fd);
- setenv("LESS", "FRSXK", 0);
+ if (jump_to_end)
+ setenv("LESS", "FRSXK+G", 0);
+ else
+ setenv("LESS", "FRSXK", 0);
/* Make sure the pager goes away when the parent dies */
if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)
diff --git a/src/shared/pager.h b/src/shared/pager.h
index 5e7b5ab91e..325ca98f79 100644
--- a/src/shared/pager.h
+++ b/src/shared/pager.h
@@ -23,6 +23,6 @@
#include <stdbool.h>
-int pager_open(void);
+int pager_open(bool jump_to_end);
void pager_close(void);
bool pager_have(void);
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 72e9c5539b..4a55c566ec 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -136,7 +136,7 @@ static void pager_open_if_enabled(void) {
if (arg_no_pager)
return;
- pager_open();
+ pager_open(false);
}
static void ask_password_agent_open_if_enabled(void) {
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c
index f5b5f0ca84..ef2ea08300 100644
--- a/src/timedate/timedatectl.c
+++ b/src/timedate/timedatectl.c
@@ -51,7 +51,7 @@ static void pager_open_if_enabled(void) {
if (arg_no_pager)
return;
- pager_open();
+ pager_open(false);
}
static void polkit_agent_open_if_enabled(void) {