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shared/format-table: disable ellipsization when piped

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Fixes #13461.

Before:
$ systemd-inhibit --no-pager
WHO            UID  USER    PID   COMM           WHAT                                  WHY          MODE
ModemManager   0    root    1093  ModemManager   sleep                                 ModemManage… delay
NetworkManager 0    root    1400  NetworkManager sleep                                 NetworkMana… delay
UPower         0    root    5141  upowerd        sleep                                 Pause devic… delay
zbyszek        1000 zbyszek 10036 gsd-power      handle-lid-switch                     External mo… block
zbyszek        1000 zbyszek 10035 gsd-media-keys handle-power-key:handle-suspend-key:… GNOME handl… block
zbyszek        1000 zbyszek 10035 gsd-media-keys sleep                                 GNOME handl… delay
zbyszek        1000 zbyszek 10036 gsd-power      sleep                                 GNOME needs… delay

7 inhibitors listed.
$ systemd-inhibit --no-pager|grep suspend
$ systemd-inhibit --no-pager|cat
WHO            UID  USER    PID   COMM           WHAT                WHY   MODE
ModemManager   0    root    1093  ModemManager   sleep               Mode… delay
NetworkManager 0    root    1400  NetworkManager sleep               Netw… delay
UPower         0    root    5141  upowerd        sleep               Paus… delay
zbyszek        1000 zbyszek 10036 gsd-power      handle-lid-switch   Exte… block
zbyszek        1000 zbyszek 10035 gsd-media-keys handle-power-key:h… GNOM… block
zbyszek        1000 zbyszek 10035 gsd-media-keys sleep               GNOM… delay
zbyszek        1000 zbyszek 10036 gsd-power      sleep               GNOM… delay

After:
$ build/systemd-inhibit --no-pager
(same as above)

$ build/systemd-inhibit --no-pager|grep suspend
zbyszek        1000 zbyszek 10035 gsd-media-keys handle-power-key:handle-suspend-key:handle-hibernate-key GNOME handling keypresses                                   block
$ build/systemd-inhibit --no-pager|cat
WHO            UID  USER    PID   COMM           WHAT                                                     WHY                                                         MODE
ModemManager   0    root    1093  ModemManager   sleep                                                    ModemManager needs to reset devices                         delay
NetworkManager 0    root    1400  NetworkManager sleep                                                    NetworkManager needs to turn off networks                   delay
UPower         0    root    5141  upowerd        sleep                                                    Pause device polling                                        delay
zbyszek        1000 zbyszek 10036 gsd-power      handle-lid-switch                                        External monitor attached or configuration changed recently block
zbyszek        1000 zbyszek 10035 gsd-media-keys handle-power-key:handle-suspend-key:handle-hibernate-key GNOME handling keypresses                                   block
zbyszek        1000 zbyszek 10035 gsd-media-keys sleep                                                    GNOME handling keypresses                                   delay
zbyszek        1000 zbyszek 10036 gsd-power      sleep                                                    GNOME needs to lock the screen                              delay

7 inhibitors listed.

Note that this affect all tools that use format-table.c: machinectl, busctl,
loginctl, systemd-analyze, networkctl, portablectl.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2019-11-05 17:50:09 +01:00
parent 08e82b84ca
commit 0db41a8f1f
2 changed files with 22 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/shared/format-table.c
+6 -3
View File
@@ -2,6 +2,7 @@
#include <ctype.h>
#include <net/if.h>
#include <unistd.h>
#include "alloc-util.h"
#include "fd-util.h"
@@ -1611,10 +1612,12 @@ int table_print(Table *t, FILE *f) {
}
/* Calculate effective table width */
if (t->width == (size_t) -1)
table_effective_width = pager_have() ? table_requested_width : MIN(table_requested_width, columns());
else
if (t->width != (size_t) -1)
table_effective_width = t->width;
else if (pager_have() || !isatty(STDOUT_FILENO))
table_effective_width = table_requested_width;
else
table_effective_width = MIN(table_requested_width, columns());
if (table_maximum_width != (size_t) -1 && table_effective_width > table_maximum_width)
table_effective_width = table_maximum_width;