add reset option

I made this because Arch uses different variables than us for CONFIG_LOCALVERSION and others

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

1 files changed, 16 insertions, 7 deletions

diff --git a/run.sh b/run.sh
index b4ecfe9..20cf728 100755
--- a/run.sh
+++ b/run.sh
@@ -21,10 +21,6 @@ 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] ...
@@ -34,9 +30,13 @@ 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
+If the \$RESET environment variable is set, then the sed expresion to reset
 CONFIG_LOCALVERSION and CONFIG_DEFAULT_HOSTNAME variables of the specified
-config files will be set to the default values.
+config files will be printed and applied. Also CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
+will be set to "linux-libre.fsfla.org" and CONFIG_LOCALVERSION will be set to
+what \$RESET was set.
+
+When RESET='none' then it is considered to have an empty CONFIG_LOCALVERSION.
 EOM
 }
 
@@ -68,7 +68,7 @@ deblob() {
     for i in $configs; do
         sed -i \
             -e "s|$i=.*|# $i is not set|" \
-            $reset \
+            "$reset" \
             $1
         sleep 0.2
     done
@@ -119,5 +119,14 @@ main(){
 if [[ $# -lt 1 ]]; then
     usage
 else
+    if ! [[ $RESET = "none" ]]; then
+        export reset="-e s|^CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\""$RESET"\"|;s|^CONFIG_DEFAULT_HOSTNAME=.*|CONFIG_DEFAULT_HOSTNAME=\"\(none\)\"|;s|^CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=.*|CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=\"linux-libre.fsfla.org\"|"
+        echo "$reset"
+    elif [[ $RESET = "" ]]; then
+        unset reset
+    else
+        export reset="-e s|^CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"\"|;s|^CONFIG_DEFAULT_HOSTNAME=.*|CONFIG_DEFAULT_HOSTNAME=\"\(none\)\"|;s|     ^CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=.*|CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN=\"linux-libre.fsfla.org\"|"
+        echo "$reset"
+    fi
     main $args
 fi