src/mkinitramfs.sh

@@ -4,6 +4,8 @@ export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
 initdir=$(pwd)/initramfs
 INITIN="/usr/share/mkinitramfs/init.in"
 CONFIG="/etc/mkinitramfs.conf"
+BUSYBOX="/usr/share/mkinitramfs/busybox"
+BUSYBOX_LIST="/usr/share/mkinitramfs/busybox_list"
 
 create_dirs() {
   mkdir -pv $initdir/{bin,dev,mnt,proc,root,sys,run}
@@ -19,7 +21,8 @@ usage() {
 Usage: $(basename $0) [options] [arguments]
 
 Options:
-  -c, --config <config>   use custom config (default: $CONFIG)
+  -b, --busybox <busybox path> <busybox_list path> - use custom busybox (default: $BUSYBOX), and custom busybox_list (default: $BUSYBOX_LIST)
+  -c, --config <config> - use custom config (default: $CONFIG)
   -i, --init <init> - custom init file (default: $INITIN)
   -C, --compression <compression (gzip|xz|zstd|lz4|none|cat defaults to $INITRAMFSCOMP)>
   -v, --version - print mkinitramfs version
@@ -53,6 +56,11 @@ esac
 parse_opt() {
   while [ $1 ]; do
     case $1 in
+      -b|--busybox)     needarg $2
+                        needarg $3
+                        BUSYBOX=$2
+                        BUSYBOX_LIST=$3
+                        shift 2;;
       -c|--config)      needarg $2
                         CONFIG=$2
                         shift 1;;
@@ -98,9 +106,9 @@ main() {
   create_dirs
   cp -v $INITIN $initdir/init
   chmod 755 $initdir/init
-  cp -v /usr/share/mkinitramfs/busybox $initdir/bin/busybox
+  cp -v $BUSYBOX $initdir/bin/busybox
   cd $initdir/bin
-  for i in $(cat /usr/share/mkinitramfs/busybox_list);do ln -sv busybox $i;done
+  for i in $(cat $BUSYBOX_LIST);do ln -sv busybox $i;done
   cd $initdir
   add_compression
   find . | $CPIO -H newc -o | $comp > ../initramfs.img