File 1096-new-udev-root-symlink-generator.patch of Package systemd.4328

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File 1096-new-udev-root-symlink-generator.patch of Package systemd.4328

Index: systemd-210/Makefile.am
===================================================================
--- systemd-210.orig/Makefile.am
+++ systemd-210/Makefile.am
@@ -2791,6 +2791,25 @@ EXTRA_DIST += \
 	test/rule-syntax-check.py
 
 # ------------------------------------------------------------------------------
+rootsymlink_generator_SOURCES = \
+	src/udev/rootsymlink_generator/rootsymlink_generator.c
+
+rootsymlink_generator_CFLAGS = \
+	$(AM_CFLAGS)
+
+udevlibexec_PROGRAMS += \
+	rootsymlink-generator
+
+nodist_systemunit_DATA += \
+	units/systemd-udev-root-symlink.service
+
+SYSINIT_TARGET_WANTS += \
+	systemd-udev-root-symlink.service
+
+EXTRA_DIST += \
+	units/systemd-udev-root-symlink.service.in
+
+# ------------------------------------------------------------------------------
 ata_id_SOURCES = \
 	src/udev/ata_id/ata_id.c
 
Index: systemd-210/src/udev/rootsymlink_generator/rootsymlink_generator.c
===================================================================
--- /dev/null
+++ systemd-210/src/udev/rootsymlink_generator/rootsymlink_generator.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014-2015 Robert Milasan <rmilasan@suse.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define BUFFER_SIZE     128
+
+#define _ROOTDEV_	"/"
+#define _PATH_		"/run/udev/rules.d"
+#define _FILE_		"10-root-symlink.rules"
+
+int main()
+{
+	struct stat statbuf;
+
+	if (stat(_ROOTDEV_, &statbuf) != 0)
+		return 1;
+
+	if (major(statbuf.st_dev) > 0) {
+		int fd = -1;
+		char filename[BUFFER_SIZE];
+
+		if (mkdir(_PATH_, 0755) != 0 && errno != EEXIST)
+			return errno;
+
+		snprintf(filename, BUFFER_SIZE, "%s/%s", _PATH_, _FILE_);
+
+		if ((fd = open(filename, O_CREAT|O_WRONLY|O_TRUNC, 0644)) == -1)
+			return errno;
+		else {
+			char buf[BUFFER_SIZE];
+
+			snprintf(buf, BUFFER_SIZE, "ACTION==\"add|change\", SUBSYSTEM==\"block\", ENV{MAJOR}==\"%d\", ENV{MINOR}==\"%d\", SYMLINK+=\"root\"\n",
+				 major(statbuf.st_dev), minor(statbuf.st_dev));
+
+			if (write(fd, buf, strlen(buf)) == -1)
+				return errno;
+
+			if (close(fd) == -1)
+				return errno;
+		}
+	}
+
+	return 0;
+}
Index: systemd-210/units/systemd-udev-root-symlink.service.in
===================================================================
--- /dev/null
+++ systemd-210/units/systemd-udev-root-symlink.service.in
@@ -0,0 +1,10 @@
+[Unit]
+Description=Rule generator for /dev/root symlink
+Before=systemd-udevd.service
+DefaultDependencies=no
+ConditionPathIsReadWrite=/run/udev
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=@udevlibexec@/rootsymlink-generator
Index: systemd-210/units/systemd-udev-root-symlink.service
===================================================================
--- /dev/null
+++ systemd-210/units/systemd-udev-root-symlink.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Rule generator for /dev/root symlink
+Before=systemd-udevd.service
+DefaultDependencies=no
+ConditionPathIsReadWrite=/run/udev
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/lib/udev/rootsymlink-generator

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File 1096-new-udev-root-symlink-generator.patch of Package systemd.4328

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