update script

Signed-off-by: David P <megver83@parabola.nu>

1 files changed, 12 insertions, 1 deletions

diff --git a/run.sh b/run.sh
index 9e8fab8..15cb333 100755
--- a/run.sh
+++ b/run.sh
@@ -21,6 +21,10 @@ version=$1
 args=${@#$1}
 path=${0%/*}
 
+if ! [[ $RESET = "" ]]; then
+    reset="-e 's|^CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=""|;s|^CONFIG_DEFAULT_HOSTNAME=.*|CONFIG_DEFAULT_HOSTNAME="(none)"|'"
+fi
+
 usage() {
 cat <<EOM
 Usage: ${0##*/} [VERSION] [FILE1] [FILE2] ...
@@ -29,6 +33,10 @@ Example: ${0##*/} 4.14 /usr/src/linux-4.14/.config
 
 To see a list of available versions, look at the files under the $path/versions
 directory.
+
+If the \$RESET environment variable is set (to anything), then the
+CONFIG_LOCALVERSION and CONFIG_DEFAULT_HOSTNAME variables of the specified
+config files will be set to the default values.
 EOM
 }
 
@@ -58,7 +66,10 @@ deblob() {
     local configs=$(grep -v ^# $path/versions/$version)
     local i
     for i in $configs; do
-        sed -i "s|$i=.*|# $i is not set|" $1
+        sed -i \
+            -e "s|$i=.*|# $i is not set|" \
+            $reset \
+            $1
         sleep 0.2
     done
 }