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homectl: color disk free output if low on free space

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This commit is contained in:
Lennart Poettering 2020-05-07 18:47:28 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent 27593a0641
commit c01ef54f7f
1 changed files with 20 additions and 2 deletions
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22
src/shared/user-record-show.c
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@ -356,12 +356,30 @@ void user_record_show(UserRecord *hr, bool show_full_group_info) {
char buf[FORMAT_BYTES_MAX];
if (hr->disk_size != UINT64_MAX) {
const char *color_on, *color_off;
unsigned permille;
permille = (unsigned) ((hr->disk_free * 1000U) / hr->disk_size); /* Round down! */
printf(" Disk Free: %s (= %u.%01u%%)\n",
/* Color the output red or yellow if we are below 10% resp. 25% free. Because 10% and
* 25% can be a lot of space still, let's additionally make some absolute
* restrictions: 1G and 2G */
if (permille <= 100U &&
hr->disk_free < 1024U*1024U*1024U /* 1G */) {
color_on = ansi_highlight_red();
color_off = ansi_normal();
} else if (permille <= 250U &&
hr->disk_free < 2U*1024U*1024U*1024U /* 2G */) {
color_on = ansi_highlight_yellow();
color_off = ansi_normal();
} else
color_on = color_off = "";
printf(" Disk Free: %s%s (= %u.%01u%%)%s\n",
color_on,
format_bytes(buf, sizeof(buf), hr->disk_free),
permille / 10, permille % 10);
permille / 10, permille % 10,
color_off);
} else
printf(" Disk Free: %s\n", format_bytes(buf, sizeof(buf), hr->disk_free));
}