1 files changed, 120 insertions, 0 deletions
diff --git a/update-kernel b/update-kernel
new file mode 100755
index 0000000..a57d04e
--- /dev/null
+++ b/update-kernel
@@ -0,0 +1,120 @@
+#!/bin/sh -euf
+
+script=update-kernel
+set -euf
+
+# -----------------------------------------------------
+# BASIC STUFF
+
+is_yes() 
+{
+	case ${1-} in
+        [Yy][Ee][Ss]|[Yy]|[Tt][Rr][Uu][Ee])
+		return 0
+		;;
+	*)
+		return 1
+		;;
+        esac
+}
+
+empty() 
+{
+	case ${@:+1} in
+	'')     
+		return 0 
+		;;
+	*)      
+		return 1 
+		;;
+        esac
+}
+
+warn()
+{
+	echo "$script: $@" >&2
+}
+
+fail()
+{
+	echo "$script: $@" >&2
+	exit 1
+}
+
+# ------------------------------------------------------------
+# Main action
+
+usage()
+{
+	echo "usage: $script [-v] [-s server] [-B branch]" >&2
+	exit 2
+}
+
+supfile=/usr/src/cvsupfile-sys
+server="cvsup2.FreeBSD.org"
+version=`uname -r | sed -En 's/^([.0-9]+).*/\1/p'`
+branch="RELENG_`echo $version | tr '.' '_'`"
+csup="csup -L0"
+patch="patch -s"
+
+while getopts "B:s:v" arg; do
+	case $arg in
+	B)
+		branch="$OPTARG"
+		;;
+	s)
+		server="$OPTARG"
+		;;
+	v)
+		patch="patch"
+		csup="csup -L2"
+		;;
+	*)
+		usage
+		;;
+	esac
+done
+
+shift `expr $OPTIND - 1`
+if [ $# -ne 0 ]; then
+	usage
+fi
+
+if empty $version; then
+	fail "couldn't determine OS version"
+fi
+	
+if empty $branch; then
+	fail "couldn't determine cvsup branch"
+fi
+
+base=`dirname $0`
+base=`realpath $base`
+patchdir=$base/kernel-$version
+
+if [ ! -d $patchdir ]; then
+	fail "patches directory does not exist: $patchdir"
+fi
+
+cat > $supfile << EOF
+*default  host=$server
+*default  base=/usr
+*default  prefix=/usr
+*default  release=cvs
+*default  tag=$branch
+*default  delete use-rel-suffix
+
+src-sys
+EOF
+
+# Only allow up to 10 files to be deleted
+$csup -d 10 $supfile
+
+# Allow globbing from here on out
+set +f
+
+for file in $patchdir/*; do
+	if [ -f "$file" ]; then
+		$patch -d /usr/src -t -p0 < $file
+	fi
+done