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systemctl: do not print header if no units listed

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2012-10-04 11:01:10 +00:00
parent 2f1bb51336
commit ad94ad63e3
1 changed files with 16 additions and 15 deletions
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25
src/systemctl/systemctl.c
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@ -372,15 +372,6 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
} else
id_len = max_id_len;
if (!arg_no_legend) {
printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
if (!arg_full && arg_no_pager)
printf("%.*s\n", desc_len, "DESCRIPTION");
else
printf("%s\n", "DESCRIPTION");
}
for (u = unit_infos; u < unit_infos + c; u++) {
char *e;
const char *on_loaded, *off_loaded;
@ -389,6 +380,15 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
if (!output_show_unit(u))
continue;
if (!n_shown && !arg_no_legend) {
printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
if (!arg_full && arg_no_pager)
printf("%.*s\n", desc_len, "DESCRIPTION");
else
printf("%s\n", "DESCRIPTION");
}
n_shown++;
if (streq(u->load_state, "error")) {
@ -420,16 +420,17 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
}
if (!arg_no_legend) {
if (n_shown)
printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
"ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
"SUB = The low-level unit activation state, values depend on unit type.\n"
"JOB = Pending job for the unit.\n");
"JOB = Pending job for the unit.\n\n");
if (arg_all)
printf("\n%u loaded units listed.\n"
printf("%u loaded units listed.\n"
"To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown);
else
printf("\n%u loaded units listed. Pass --all to see loaded but inactive units, too.\n"
printf("%u loaded units listed. Pass --all to see loaded but inactive units, too.\n"
"To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown);
}
}