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tree-wide: add clickable man page link to all --help texts

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This is a bit like the info link in most of GNU's --help texts, but we
don't do info but man pages, and we make them properly clickable on
terminal supporting that, because awesome.

I think it's generally advisable to link up our (brief) --help texts and
our (more comprehensive) man pages a bit, so this should be an easy and
straight-forward way to do it.
This commit is contained in:
Lennart Poettering
2018-08-20 11:33:04 +02:00
committed by Zbigniew Jędrzejewski-Szmek
parent 53c442ef63
commit 37ec0fdd34
52 changed files with 854 additions and 232 deletions
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src/mount/mount-tool.c
+17 -6
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@@ -58,7 +58,14 @@ static gid_t arg_gid = GID_INVALID;
static bool arg_fsck = true;
static bool arg_aggressive_gc = false;
static void help(void) {
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("systemd-mount", "1", &link);
if (r < 0)
return log_oom();
printf("systemd-mount [OPTIONS...] WHAT [WHERE]\n"
"systemd-mount [OPTIONS...] --list\n"
"%s [OPTIONS...] %sWHAT|WHERE...\n\n"
@@ -86,9 +93,14 @@ static void help(void) {
" --bind-device Bind automount unit to device\n"
" --list List mountable block devices\n"
" -u --umount Unmount mount points\n"
" -G --collect Unload unit after it stopped, even when failed\n",
program_invocation_short_name,
streq(program_invocation_short_name, "systemd-umount") ? "" : "--umount ");
" -G --collect Unload unit after it stopped, even when failed\n"
"\nSee the %s for details.\n"
, program_invocation_short_name
, streq(program_invocation_short_name, "systemd-umount") ? "" : "--umount "
, link
);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
@@ -155,8 +167,7 @@ static int parse_argv(int argc, char *argv[]) {
switch (c) {
case 'h':
help();
return 0;
return help();
case ARG_VERSION:
return version();