[Linux] add script to rebuilt kernel from latest git sources

Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>

linux/rebuild-gitupdate.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+# 
+# 2008      Nico Schottelius (nico-nsbin at schottelius.org)
+# 
+# This file is part of nsbin.
+#
+# nsbin 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 3 of the License, or
+# (at your option) any later version.
+# 
+# nsbin 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 nsbin. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Update sources using git, merge branch and build
+#
+
+branch="$1"; shift
+
+# comment out on single cpu systems
+parallel="-j8"
+
+(
+   set -e
+   set -x
+
+   # update / change branch
+   git fetch -v
+   git merge "$branch"
+
+   # clean
+   make $parallel clean
+   
+   # create config - use the last one, as far as possible
+   make oldconfig
+
+   # build
+   make $parallel all
+
+   echo "Finished $(git describe) ..."
+)