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rc-service: add --ifinactive and --ifnotstarted flags

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X-Gentoo-Bug: 523174
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=523174
This commit is contained in:
William Hubbs 2014-09-21 13:54:51 -05:00
parent 47dd5e37cb
commit 8a7e4d38a7
2 changed files with 34 additions and 1 deletions
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15
man/rc-service.8
View File

@ -20,6 +20,14 @@
.Ar service cmd
.Op Ar ...
.Nm
.Op Fl I , -ifinactive
.Ar service cmd
.Op Ar ...
.Nm
.Op Fl N , -ifnotstarted
.Ar service cmd
.Op Ar ...
.Nm
.Fl e , -exists
.Ar service
.Nm
@ -36,6 +44,13 @@ If
is given then
.Nm
returns 0 even if the service does not exist.
If
.Fl I , -ifinactive
or
.Fl N , -ifnotstarted
is given then
.Nm
returns 0 if the service exists but is in the wrong state.
.Pp
If given the
.Fl l , -list

20
src/rc/rc-service.c
View File

@ -29,10 +29,12 @@
const char *applet = NULL;
const char *extraopts = NULL;
const char *getoptstring = "e:ilr:" getoptstring_COMMON;
const char *getoptstring = "e:ilr:IN" getoptstring_COMMON;
const struct option longopts[] = {
{ "exists", 1, NULL, 'e' },
{ "ifexists", 0, NULL, 'i' },
{ "ifinactive", 0, NULL, 'I' },
{ "ifnotstarted", 0, NULL, 'N' },
{ "list", 0, NULL, 'l' },
{ "resolve", 1, NULL, 'r' },
longopts_COMMON
@ -40,6 +42,8 @@ const struct option longopts[] = {
const char * const longopts_help[] = {
"tests if the service exists or not",
"if the service exists then run the command",
"if the service is inactive then run the command",
"if the service is not started then run the command",
"list all available services",
"resolve the service name to an init script",
longopts_help_COMMON
@ -56,7 +60,10 @@ int main(int argc, char **argv)
char *service;
RC_STRINGLIST *list;
RC_STRING *s;
RC_SERVICE state;
bool if_exists = false;
bool if_inactive = false;
bool if_notstarted = false;
applet = basename_c(argv[0]);
/* Ensure that we are only quiet when explicitly told to be */
@ -77,6 +84,12 @@ int main(int argc, char **argv)
case 'i':
if_exists = true;
break;
case 'I':
if_inactive = true;
break;
case 'N':
if_notstarted = true;
break;
case 'l':
list = rc_services_in_runlevel(NULL);
if (TAILQ_FIRST(list) == NULL)
@ -113,6 +126,11 @@ int main(int argc, char **argv)
return 0;
eerrorx("%s: service `%s' does not exist", applet, *argv);
}
state = rc_service_state(*argv);
if (if_inactive && ! (state & RC_SERVICE_INACTIVE))
return 0;
if (if_notstarted && (state & RC_SERVICE_STARTED))
return 0;
*argv = service;
execv(*argv, argv);
eerrorx("%s: %s", applet, strerror(errno));