Rename runscript to openrc-run

This was requested by Debian, because the minicom software, which is
available on Debian and other distros, has a binary named runscript. We
are keeping a backward compatibility symlink for now, but this allows
Debian or any other distro to safely remove the symlink.

X-Gentoo-Bug: 494220
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=494220

src/rc/.gitignore

@@ -58,3 +58,4 @@ mark_service_failed
 rc-abort
 rc
 openrc
+openrc-run

src/rc/Makefile

@@ -11,7 +11,8 @@ SBINDIR=	${PREFIX}/sbin
 LINKDIR=	${LIBEXECDIR}
 
 BINLINKS=	rc-status
-SBINLINKS=	rc rc-service rc-update runscript service start-stop-daemon
+SBINLINKS=	rc rc-service rc-update openrc-run runscript service \
+			start-stop-daemon
 RC_BINLINKS=	einfon einfo ewarnn ewarn eerrorn eerror ebegin eend ewend \
 		eindent eoutdent esyslog eval_ecolors ewaitfile \
 		veinfo vewarn vebegin veend vewend veindent veoutdent \

src/rc/builtins.h

@@ -28,6 +28,7 @@
 int checkpath(int, char **);
 int fstabinfo(int, char **);
 int mountinfo(int, char **);
+int openrc_run(int, char **);
 int rc_depend(int, char **);
 int rc_service(int, char **);
 int rc_status(int, char **);

src/rc/rc-applets.c

@@ -503,6 +503,7 @@ static const struct {
 #define A(a) { #a, a }
 	A(fstabinfo),
 	A(mountinfo),
+	{ "openrc-run",           openrc_run,         },
 	{ "rc-depend",           rc_depend,         },
 	{ "rc-service",          rc_service,        },
 	{ "rc-status",           rc_status,         },

src/rc/runscript.c

@@ -1116,7 +1116,7 @@ static const char *const longopts_help[] = {
 #include "_usage.c"
 
 int
-runscript(int argc, char **argv)
+openrc_run(int argc, char **argv)
 {
 	bool doneone = false;
 	int retval, opt, depoptions = RC_DEP_TRACE;
@@ -1130,12 +1130,12 @@ runscript(int argc, char **argv)
 
 	/* Show help if insufficient args */
 	if (argc < 2 || !exists(argv[1])) {
-		fprintf(stderr, "runscript should not be run directly\n");
+		fprintf(stderr, "openrc-run should not be run directly\n");
 		exit(EXIT_FAILURE);
 	}
 
 	if (stat(argv[1], &stbuf) != 0) {
-		fprintf(stderr, "runscript `%s': %s\n",
+		fprintf(stderr, "openrc-run `%s': %s\n",
 		    argv[1], strerror(errno));
 		exit(EXIT_FAILURE);
 	}
@@ -1420,3 +1420,10 @@ runscript(int argc, char **argv)
 
 	return retval;
 }
+
+int
+runscript(int argc, char **argv)
+{
+	ewarn("runscript is deprecated; please use openrc-run instead.");
+	return (openrc_run(argc, argv));
+}