File more-support-code-for-syslinux.patch of Package grubby

diff --git a/grubby.c b/grubby.c
index e5f4bee..59ae341 100644
--- a/grubby.c
+++ b/grubby.c
@@ -35,6 +35,7 @@
 #include <execinfo.h>
 #include <signal.h>
 #include <blkid/blkid.h>
+#include <linux/kdev_t.h>
 
 #define DEBUG 0
 
@@ -1155,6 +1156,32 @@ static int numEntries(struct grubConfig *cfg) {
     return i;
 }
 
+static int deviceMountsToHere(char * device, char * mnt) {
+    FILE * fp = NULL;
+    char line[256];
+    char * str = NULL;
+    int ret = -1;
+
+    fp = popen("/bin/mount", "r");
+    if (fp == NULL) {
+        return ret;
+    }
+
+    while (fgets(line, 255, fp)) {
+        if (strncmp(line, device, strlen(device)) == 0) {
+            str = strstr(line + strlen(device), mnt);
+            if (str != NULL) {
+                if ((*(str-1) == ' ') && (*(str+strlen(mnt)) == ' ')) {
+                    ret = 0;
+                    break;
+                }
+            }
+        }
+    }
+    pclose(fp);
+    return ret;
+}
+
 int suitableImage(struct singleEntry * entry, const char * bootPrefix,
 		  int skipRemoved, int flags) {
     struct singleLine * line;
@@ -1217,6 +1244,11 @@ int suitableImage(struct singleEntry * entry, const char * bootPrefix,
 	return 0;
 
     stat("/", &sb2);
+    if (MAJOR(sb2.st_dev) == 0) { // For btrfs, we must do with it specially
+        if (deviceMountsToHere(dev, "/") == 0) {
+            return 1;
+        }
+    }
 
     if (sb.st_rdev != sb2.st_dev)
         return 0;
@@ -1407,7 +1439,7 @@ char * findBootPrefix(void) {
 #ifdef __ia64__
     return strdup("/boot/efi/EFI/redhat/");
 #else
-    return strdup("/boot");
+    return strdup("/boot/");
 #endif
 }
 
diff --git a/new-kernel-pkg b/new-kernel-pkg
index c20cd48..4ddc54b 100755
--- a/new-kernel-pkg
+++ b/new-kernel-pkg
@@ -26,6 +26,7 @@
 PATH=/sbin:/bin:$PATH
 
 lilo=/sbin/lilo
+syslinux=/sbin/extlinux
 
 # some defaults that are sane for most arches
 kernelName=vmlinuz
@@ -40,8 +41,11 @@ fi
 
 cfgGrub=""
 cfgLilo=""
+cfgSyslinux=""
 runLilo=""
+runSyslinux=""
 grubConfig=""
+syslinuxConfig=""
 
 ARCH=$(uname -m)
 
@@ -74,9 +78,12 @@ else
     # this leaves i?86 and x86_64
     liloConfig=/etc/lilo.conf
     grubConfig=$(readlink -f /etc/grub.conf 2>/dev/null)
+    syslinuxConfig="/boot/extlinux/extlinux.conf"
     bootPrefix=/boot
     liloFlag=lilo
     isx86="yes"
+    syslinuxFlag=extlinux
+    runSyslinux="yes"
 fi
 
 mode=""
@@ -136,8 +143,11 @@ install() {
 	return
     fi
 
-    # get the root filesystem to use
+    # get the root filesystem to use, must be device name instead of UUID
     rootdevice=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $1; }}' /etc/fstab)
+    if [ "${rootdevice::5}" == "UUID=" ] ; then
+        rootdevice=$(blkid | awk -F":" -v pat="${rootdevice:5}" '$0 ~ pat {print $1;}')
+    fi
 
     if [ -n "$mbkernel" -a -n "$cfgLilo" -a "$liloFlag" != "elilo" ]; then
 	[ -n "$verbose" ] && echo "multiboot specified, not updating lilo.conf"
@@ -183,6 +193,36 @@ install() {
 	[ -n "$verbose" ] && echo "$liloConfig does not exist, not running grubby"
     fi
 
+    if [ -n "$cfgSyslinux" ]; then
+	[ -n "$verbose" ] && echo "adding $version to $syslinuxConfig"
+
+	$grubby --add-kernel=$bootPrefix/$kernelName-$version $INITRD \
+		--copy-default $makedefault --title $version \
+		${mbkernel:+--add-multiboot="$mbkernel"} ${mbargs:+--mbargs="$mbargs"} \
+		--args="root=$rootdevice $kernargs" --remove-kernel="TITLE=$version" \
+		--$syslinuxFlag
+
+        #Change menu label
+	sed -i "s/^default .*$/default vesamenu.c32/" /boot/extlinux/extlinux.conf
+	sed -i "s/^default=.*$//" /boot/extlinux/extlinux.conf
+	lineno=$(sed -n "/vmlinuz-${version}/=" /boot/extlinux/extlinux.conf)
+	if [ -n "$lineno" ] ; then
+		lineno=$((lineno-1))
+		sed -i "${lineno} s/menu label.*$/menu label Moblin (${version})/; s/\/vmlinuz/vmlinuz/" /boot/extlinux/extlinux.conf
+		cp -f $bootPrefix/$kernelName-$version /boot/extlinux/
+	fi
+
+	if [ -n "$runSyslinux" ]; then 
+	    [ -n "$verbose" ] && echo "running $syslinux"
+	    if [ ! -x $syslinux ] ; then
+		[ -n "$verbose" ] && echo "$syslinux does not exist"
+	    else
+		$syslinux --update /boot/extlinux > /dev/null 2>&1
+	    fi
+	fi
+    else
+	[ -n "$verbose" ] && echo "$syslinuxConfig does not exist, not running grubby"
+    fi
 }
 
 rpmposttrans()
@@ -235,6 +275,26 @@ remove() {
     else
 	[ -n "$verbose" ] && echo "$liloConfig does not exist, not running grubby"
     fi
+
+    if [ -n "$cfgSyslinux" ]; then
+	[ -n "$verbose" ] && echo "removing $version from $syslinuxConfig"
+	$grubby --remove-kernel=$bootPrefix/$kernelName-$version	    \
+		     --$syslinuxFlag
+        rm -f /boot/extlinux/$kernelName-$version
+	sed -i "s/^default .*$/default vesamenu.c32/" /boot/extlinux/extlinux.conf
+	sed -i "s/^default=.*$//" /boot/extlinux/extlinux.conf
+
+	if [ -n "$runSyslinux" ]; then 
+	    [ -n "$verbose" ] && echo "running $syslinux"
+	    if [ ! -x $syslinux ] ; then
+		[ -n "$verbose" ] && echo "$syslinux does not exist"
+	    else
+		$syslinux --update /boot/extlinux > /dev/null 2>&1
+	    fi
+	fi
+    else
+	[ -n "$verbose" ] && echo "$syslinuxConfig does not exist, not running grubby"
+    fi
 }
 
 update() {
@@ -265,6 +325,28 @@ update() {
     else
 	[ -n "$verbose" ] && echo "$liloConfig does not exist, not running grubby"
     fi
+
+    if [ -n "$cfgSyslinux" ]; then
+	[ -n "$verbose" ] && echo "updating $version from $syslinuxConfig"
+	$grubby --update-kernel=$bootPrefix/$kernelName-$version \
+	    ${kernargs:+--args="$kernargs"} \
+	    ${removeargs:+--remove-args="$removeargs"}	\
+		     --$syslinuxFlag
+	rm -f /boot/extlinux/vmlinuz-`/bin/uname -r`
+	sed -i "s/^default .*$/default vesamenu.c32/" /boot/extlinux/extlinux.conf
+	sed -i "s/^default=.*$//" /boot/extlinux/extlinux.conf
+
+	if [ -n "$runSyslinux" ]; then 
+	    [ -n "$verbose" ] && echo "running $syslinux"
+	    if [ ! -x $syslinux ] ; then
+		[ -n "$verbose" ] && echo "$syslinux does not exist"
+	    else
+		$syslinux --update /boot/extlinux > /dev/null 2>&1
+	    fi
+	fi
+    else
+	[ -n "$verbose" ] && echo "$syslinuxConfig does not exist, not running grubby"
+    fi
 }
 
 mkinitrd() {
@@ -494,6 +576,7 @@ fi
 
 [ -n "$grubConfig" ] && [ -f "$grubConfig" ] && cfgGrub=1;
 [ -n "$liloConfig" ] && [ -f "$liloConfig" ] && cfgLilo=1;
+[ -n "$syslinuxConfig" ] && [ -f "$syslinuxConfig" ] && cfgSyslinux=1;
 
 # if we have a lilo config on an x86 box, see if the default boot loader
 # is lilo to determine if it should be run