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bootctl: add "system-options" verb

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-08-01 17:15:59 +02:00
parent 28f0aef4c7
commit 4e5aa79185
3 changed files with 51 additions and 17 deletions
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20
man/bootctl.xml
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@ -133,6 +133,15 @@
and the firmware's boot loader list.</para></listitem> and the firmware's boot loader list.</para></listitem>
</varlistentry> </varlistentry>
<varlistentry>
<term><option>is-installed</option></term>
<listitem><para>Checks whether <command>systemd-boot</command> is installed in the ESP. Note that a
single ESP might host multiple boot loaders; this hence checks whether
<command>systemd-boot</command> is one (of possibly many) installed boot loaders — and neither
whether it is the default nor whether it is registered in any EFI variables.</para></listitem>
</varlistentry>
<varlistentry> <varlistentry>
<term><option>random-seed</option></term> <term><option>random-seed</option></term>
@ -150,12 +159,13 @@
</varlistentry> </varlistentry>
<varlistentry> <varlistentry>
<term><option>is-installed</option></term> <term><option>system-options</option> <optional><replaceable>VALUE</replaceable></optional></term>
<listitem><para>Checks whether <command>systemd-boot</command> is installed in the ESP. Note that a <listitem><para>When called without the optional argument, prints the current value of the
single ESP might host multiple boot loaders; this hence checks whether <literal>SystemdOptions</literal> EFI variable. When called with an argument, sets the
<command>systemd-boot</command> is one (of possibly many) installed boot loaders — and neither variable to that value. See
whether it is the default nor whether it is registered in any EFI variables.</para></listitem> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
for the meaning of that variable.</para></listitem>
</varlistentry> </varlistentry>
<varlistentry> <varlistentry>

3
man/kernel-command-line.xml
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@ -452,7 +452,8 @@
<citerefentry><refentrytitle>systemd-backlight@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd-backlight@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-rfkill.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd-rfkill.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-firstboot.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> <citerefentry><refentrytitle>systemd-firstboot.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>bootctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para> </para>
</refsect1> </refsect1>

45
src/boot/bootctl.c
View File

@ -1052,8 +1052,9 @@ static int help(int argc, char *argv[], void *userdata) {
" install Install systemd-boot to the ESP and EFI variables\n" " install Install systemd-boot to the ESP and EFI variables\n"
" update Update systemd-boot in the ESP and EFI variables\n" " update Update systemd-boot in the ESP and EFI variables\n"
" remove Remove systemd-boot from the ESP and EFI variables\n" " remove Remove systemd-boot from the ESP and EFI variables\n"
" random-seed Initialize random seed in ESP and EFI variables\n"
" is-installed Test whether systemd-boot is installed in the ESP\n" " is-installed Test whether systemd-boot is installed in the ESP\n"
" random-seed Initialize random seed in ESP and EFI variables\n"
" system-options Query or set system options string in EFI variable\n"
"\nBoot Loader Entries Commands:\n" "\nBoot Loader Entries Commands:\n"
" list List boot loader entries\n" " list List boot loader entries\n"
" set-default ID Set default boot loader entry\n" " set-default ID Set default boot loader entry\n"
@ -1710,18 +1711,40 @@ static int verb_random_seed(int argc, char *argv[], void *userdata) {
return 0; return 0;
} }
static int verb_system_options(int argc, char *argv[], void *userdata) {
int r;
if (argc == 1) {
_cleanup_free_ char *line = NULL;
r = efi_systemd_options_variable(&line);
if (r < 0)
return log_error_errno(r, "Failed to query SystemdOptions EFI variable: %m");
printf("SystemdOptions: %s\n", line);
} else {
r = efi_set_variable_string(EFI_VENDOR_SYSTEMD, "SystemdOptions", argv[1]);
if (r < 0)
return log_error_errno(r, "Failed to set SystemdOptions EFI variable: %m");
}
return 0;
}
static int bootctl_main(int argc, char *argv[]) { static int bootctl_main(int argc, char *argv[]) {
static const Verb verbs[] = { static const Verb verbs[] = {
{ "help", VERB_ANY, VERB_ANY, 0, help }, { "help", VERB_ANY, VERB_ANY, 0, help },
{ "status", VERB_ANY, 1, VERB_DEFAULT, verb_status }, { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status },
{ "install", VERB_ANY, 1, 0, verb_install }, { "install", VERB_ANY, 1, 0, verb_install },
{ "update", VERB_ANY, 1, 0, verb_install }, { "update", VERB_ANY, 1, 0, verb_install },
{ "remove", VERB_ANY, 1, 0, verb_remove }, { "remove", VERB_ANY, 1, 0, verb_remove },
{ "random-seed", VERB_ANY, 1, 0, verb_random_seed }, { "is-installed", VERB_ANY, 1, 0, verb_is_installed },
{ "is-installed", VERB_ANY, 1, 0, verb_is_installed }, { "list", VERB_ANY, 1, 0, verb_list },
{ "list", VERB_ANY, 1, 0, verb_list }, { "set-default", 2, 2, 0, verb_set_default },
{ "set-default", 2, 2, 0, verb_set_default }, { "set-oneshot", 2, 2, 0, verb_set_default },
{ "set-oneshot", 2, 2, 0, verb_set_default }, { "random-seed", VERB_ANY, 1, 0, verb_random_seed },
{ "system-options", VERB_ANY, 2, 0, verb_system_options },
{} {}
}; };