initctl: Add support for touch <CONF>, mark .conf for reload

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/initctl.c

@@ -524,6 +524,7 @@ static int usage(int rc)
 		"  list                      List all .conf in /etc/finit.d/\n"
 		"  enable   <CONF>           Enable   .conf in /etc/finit.d/available/\n"
 		"  disable  <CONF>           Disable  .conf in /etc/finit.d/[enabled/]\n"
+		"  touch    <CONF>           Mark     .conf in /etc/finit.d/ for reload\n"
 		"  reload                    Reload  *.conf in /etc/finit.d/ (activates changes)\n"
 //		"  reload   <JOB|NAME>[:ID]  Reload (SIGHUP) service by job# or name\n"
 		"\n"
@@ -566,6 +567,7 @@ int main(int argc, char *argv[])
 		{ "list",     serv_list    },
 		{ "enable",   serv_enable  },
 		{ "disable",  serv_disable },
+		{ "touch",    serv_touch   },
 		{ "reload",   do_reload    },
 
 		{ "cond",     do_cond      },

src/serv.c

@@ -24,6 +24,7 @@
 #include "config.h"
 
 #include <err.h>
+#include <fcntl.h> /* Definition of AT_* constants */
 #include <glob.h>
 #include <stdio.h>
 #include <lite/lite.h>
@@ -168,6 +169,30 @@ int serv_disable(char *arg)
 	return remove(link) != 0;
 }
 
+int serv_touch(char *arg)
+{
+	char corr[40];
+
+	if (!strstr(arg, ".conf")) {
+		snprintf(corr, sizeof(corr), "%s.conf", arg);
+		arg = corr;
+	}
+
+	pushd(FINIT_RCSD);
+	if (!fexist(arg)) {
+		popd();
+		if (!strstr(arg, "finit.conf"))
+			errx(1, "Service %s is not enabled", arg);
+		arg = FINIT_CONF;
+	}
+
+	/* libite:touch() follows symlinks */
+	if (utimensat(AT_FDCWD, arg, NULL, AT_SYMLINK_NOFOLLOW))
+		err(1, "Failed marking %s for reload", arg);
+
+	return 0;
+}
+
 /**
  * Local Variables:
  *  indent-tabs-mode: t

src/serv.h

@@ -27,6 +27,7 @@
 int serv_list    (char *arg);
 int serv_enable  (char *arg);
 int serv_disable (char *arg);
+int serv_touch   (char *arg);
 
 #endif /* FINIT_SERV_H_ */