Apply some care, when copying the linux configuration file

diff --git a/scripts/get_linux_config.sh b/scripts/get_linux_config.sh
index 1ea8b25503f4ee73db03a154aad266e2484c4239..0b986ae13011a83917922879682b963246cb4cd9 100755 (executable)
--- a/scripts/get_linux_config.sh
+++ b/scripts/get_linux_config.sh
@@ -1,15 +1,57 @@
 #!/bin/bash
+#######################################################################
+#
+# Copy successively all configs from the BSP directory (par #1)
+# to the Linux directory (par #2)
+# Do not copy config files for later linux versions than the current
+# A well-behaved filename is 
+# "<name>-linux-2.6.<major>.<minor>.config" or
+# "<name>-linux-2.6.<major>.config"
+#
+#######################################################################
+
+TOPDIR=`pwd`
 
 # parameter #1 BOARD_PATH
 # parameter #2  LINUX26_DIR
 
-TOPDIR=`pwd`
-BOARD_PATH=$1
-LINUX26_DIR=$2
-
-cd ${TOPDIR}/${BOARD_PATH}
-mkdir -p ${LINUX26_DIR}
-for i in `ls *linux*.config` ; do
-       echo Copying $i ...
-       cp $i ${LINUX26_DIR}/.config
+CONFIGS=`ls -X $1/*linux*.*.config | sed s/[.]config// - | sort`
+LINUX26_DIR=`basename $2`
+LINUX26_CONFIG=${2}/.config
+LINUX_MAJOR_VERSION=${LINUX26_DIR:10:2}
+LINUX_MINOR_VERSION=${LINUX26_DIR:13}
+
+function linux_version()
+{
+       local KCONFIG
+       KCONFIG=`basename $1`
+       KERNEL=`echo ${KCONFIG} | sed s/.*-linux-/linux-/g -`
+       THIS_MAJOR=${KERNEL:10:2}
+       THIS_MINOR=${KERNEL:13}
+
+}
+
+# Try to be careful...
+
+for i in ${CONFIGS} ; do
+    linux_version $i
+    if [ ${THIS_MAJOR} -le ${LINUX_MAJOR_VERSION} ] ; then
+           echo Copying `basename $i`.config ...
+           cp $i.config ${LINUX26_CONFIG}
+    elif [ ${THIS_MAJOR} -eq ${LINUX_MAJOR_VERSION} ] ; then
+       if [ ${THIS_MINOR} -le ${LINUX_MINOR_VERSION} ] ; then
+           echo Copying `basename $i`.config ...
+           cp $i.config ${LINUX26_CONFIG}
+       fi
+    fi
 done
+
+# Did not work... - be promisceous
+
+if [ ! -f "${LINUX26_CONFIG}" ] ; then \
+       for i in `ls $1/*linux*.config` ; do
+               echo Copying `basename $i` ...
+               cp $i ${LINUX26_CONFIG}
+       done
+fi
+