usage now requires a global applet var instead of a define, don't prefix describe output and use generic usage for runscript.

7 files changed, 34 insertions, 31 deletions

diff --git a/src/_usage.c b/src/_usage.c
index 088ccb4..ce733a9 100644
--- a/src/_usage.c
+++ b/src/_usage.c
@@ -29,7 +29,7 @@ static void usage (int exit_status)
 {
 	const char * const has_arg[] = { "", "<arg>", "[arg]" };
 	int i;
-	printf ("Usage: " APPLET " [options] ");
+	printf ("Usage: %s [options] ", applet);
 #ifdef extraopts
 	printf (extraopts);
 #endif
@@ -52,4 +52,3 @@ static void usage (int exit_status)
 	}
 	exit (exit_status);
 }
-
diff --git a/src/_usage.h b/src/_usage.h
index ba09255..e4a5fa3 100644
--- a/src/_usage.h
+++ b/src/_usage.h
@@ -34,7 +34,7 @@
 	{ NULL,             0, NULL,  0 }
 
 #define longopts_help_COMMON \
-	"Display this help output (duh)", \
+	"Display this help output", \
 	"Disable color output", \
 	"Run verbosely", \
 	"Run quietly"
diff --git a/src/fstabinfo.c b/src/fstabinfo.c
index 08c2b0b..9782f9d 100644
--- a/src/fstabinfo.c
+++ b/src/fstabinfo.c
@@ -29,8 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#define APPLET "fstabinfo"
-
 #include <errno.h>
 #include <getopt.h>
 #include <libgen.h>
@@ -89,6 +87,8 @@ static struct mntent *getmntfile (const char *file)
 }
 #endif
 
+static const char *applet;
+
 #include "_usage.h"
 #define getoptstring "bmop:t:" getoptstring_COMMON
 static struct option longopts[] = {
@@ -129,6 +129,8 @@ int fstabinfo (int argc, char **argv)
 	char *file;
 	bool filtered = false;
 
+	applet = basename (argv[0]);
+
 	/* Ensure that we are only quiet when explicitly told to be */
 	unsetenv ("EINFO_QUIET");
 
diff --git a/src/mountinfo.c b/src/mountinfo.c
index a55bf4f..ad76d32 100644
--- a/src/mountinfo.c
+++ b/src/mountinfo.c
@@ -29,8 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#define APPLET "mountinfo"
-
 #include <sys/types.h>
 
 #if defined(__DragonFly__) || defined(__FreeBSD__) || \
@@ -45,6 +43,7 @@
 
 #include <errno.h>
 #include <getopt.h>
+#include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -57,6 +56,8 @@
 #include "rc-misc.h"
 #include "strlist.h"
 
+static const char *applet;
+
 typedef enum {
 	mount_from,
 	mount_to,
@@ -311,7 +312,7 @@ static regex_t *get_regex (const char *string)
 	if ((result = regcomp (reg, string, REG_EXTENDED | REG_NOSUB)) != 0)
 	{
 		regerror (result, reg, buffer, sizeof (buffer));
-		eerrorx ("%s: invalid regex `%s'", APPLET, buffer);
+		eerrorx ("%s: invalid regex `%s'", applet, buffer);
 	}
 
 	return (reg);
@@ -366,6 +367,8 @@ int mountinfo (int argc, char **argv)
 	int result;
 	bool quiet;
 
+	applet = basename (argv[0]);
+
 	/* Ensure that we are only quiet when explicitly told to be */
 	unsetenv ("EINFO_QUIET");
 
diff --git a/src/rc-status.c b/src/rc-status.c
index bf4d63d..155192f 100644
--- a/src/rc-status.c
+++ b/src/rc-status.c
@@ -41,7 +41,7 @@
 #include "rc-misc.h"
 #include "strlist.h"
 
-#define APPLET "rc-status"
+static const char *applet;
 
 static const char *types_nua[] = { "ineed", "iuse", "iafter", NULL };
 
diff --git a/src/rc-update.c b/src/rc-update.c
index 7c611d3..3ab52fd 100644
--- a/src/rc-update.c
+++ b/src/rc-update.c
@@ -146,9 +146,9 @@ static const char * const longopts_help[] = {
 };
 #include "_usage.c"
 
-#define DOADD    (1 << 0)
-#define DODELETE (1 << 1)
-#define DOSHOW   (1 << 2)
+#define DOADD    (1 << 1)
+#define DODELETE (1 << 2)
+#define DOSHOW   (1 << 3)
 
 int rc_update (int argc, char **argv)
 {
@@ -181,6 +181,9 @@ int rc_update (int argc, char **argv)
 		}
 	}
 
+	if (! action)
+		usage (EXIT_FAILURE);
+
 	verbose = rc_yesno (getenv ("EINFO_VERBOSE"));
 
 	if ((action & DOSHOW   && action != DOSHOW) ||
diff --git a/src/runscript.c b/src/runscript.c
index 108512a..c52b33e 100644
--- a/src/runscript.c
+++ b/src/runscript.c
@@ -1024,6 +1024,7 @@ static void svc_restart (bool deps)
 
 #include "_usage.h"
 #define getoptstring "dDsv" getoptstring_COMMON
+#define extraopts "stop | start | restart | describe | zap"
 static struct option longopts[] = {
 	{ "debug",      0, NULL, 'd'},
 	{ "ifstarted",  0, NULL, 's'},
@@ -1031,15 +1032,11 @@ static struct option longopts[] = {
 	longopts_COMMON
 };
 static const char * const longopts_help[] = {
-	"",
-	"",
-	"",
+	"set xtrace when running the script",
+	"only run commands when started",
+	"ignore dependencies",
 	longopts_help_COMMON
 };
-#undef case_RC_COMMON_getopt_case_h
-#define case_RC_COMMON_getopt_case_h \
-	execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, (char *) NULL); \
-eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", applet, strerror (errno));
 #include "_usage.c"
 
 int runscript (int argc, char **argv)
@@ -1053,13 +1050,15 @@ int runscript (int argc, char **argv)
 	char *svc;
 
 	/* Show help if insufficient args */
-	if (argc < 2) {
-		execl (RCSCRIPT_HELP, RCSCRIPT_HELP, (char *) NULL);
-		eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", argv[0],
-				 strerror (errno));
+	if (argc < 2 || ! exists (argv[1])) {
+		fprintf (stderr, "runscript is not meant to be to run directly\n");
+		exit (EXIT_FAILURE);
 	}
 
 	applet = xstrdup (basename (argv[1]));
+	if (argc < 3)
+		usage (EXIT_FAILURE);
+
 	if (*argv[1] == '/')
 		service = xstrdup (argv[1]);
 	else {
@@ -1075,14 +1074,6 @@ int runscript (int argc, char **argv)
 	/* Change dir to / to ensure all init scripts don't use stuff in pwd */
 	chdir ("/");
 
-	/* Show help if insufficient args */
-	if (argc < 3) {
-		setenv ("SVCNAME", applet, 1);
-		execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, (char *) NULL);
-		eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s",
-				 applet, strerror (errno));
-	}
-
 #ifdef __linux__
 	/* coldplug events can trigger init scripts, but we don't want to run them
 	   until after rc sysinit has completed so we punt them to the boot runlevel */
@@ -1240,7 +1231,12 @@ int runscript (int argc, char **argv)
 		doneone = true;
 
 		if (strcmp (optarg, "describe") == 0) {
+			char *save = prefix;
+
+			eprefix (NULL);
+			prefix = NULL;
 			svc_exec (optarg, NULL);
+			eprefix (save);
 		} else if (strcmp (optarg, "help") == 0) {
 			execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, "help", (char *) NULL);
 			eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s",