/usr/bin/mk_busybox_utils

#!/bin/bash
BB_UTIL_DIR=/bin/bb_utils
BB_PATH=/bin/busybox
BB_DIR=/bin
BB_NAME=busybox
[ ! -e "$BB_UTIL_DIR" ] && mkdir -p "$BB_UTIL_DIR"
[ ! -e "$BB_UTIL_DIR/busybox.nosuid" ] && ln $BB_DIR/busybox "$BB_UTIL_DIR/busybox.nosuid"
if [ ! -e "$BB_UTIL_DIR/busybox.suid" ]  &&
       [ -e "$BB_DIR/busybox.suid" ]; then
  ln "$BB_DIR/busybox.suid" "$BB_UTIL_DIR/busybox.suid"
fi
cd "$BB_UTIL_DIR"
for aBB_NAME in busybox.nosuid busybox.suid; do
  cd "$BB_UTIL_DIR"
  [ ! -e "./$aBB_NAME" ] && continue
  #TODO considering adding an EOF at the end of --list to make sure that the read teminates
  "./$aBB_NAME" --list |
  while read UTIL_NAME; do
       cd "$BB_UTIL_DIR"
       if [ ! -e "./$UTIL_NAME" ]; then
         ln -s "$aBB_NAME" "$UTIL_NAME"
       fi
       #echo "reading $UTIL_NAME"
       #set -x
       UTIL_REAL_PATH="$(realpath $(which "$UTIL_NAME"))"
       UTIL_REAL_BB_PATH="$(realpath "$BB_DIR/$aBB_NAME" )"
       UTIL_REAL_bname="$(basename "$UTIL_REAL_PATH")"
       UTIL_REAL_DIR="$(dirname "$UTIL_REAL_PATH")"
       #UTIL_REAL_BB_DIR="$(dirname UTIL_REAL_BB_PATH)"
       #The second condition requires bash: TODO make compataqble with ash
       #Todo, consider considering the case where versions of busybox have overlapping applets
       DIR_OK=0
       [ "$UTIL_REAL_DIR" = "$BB_DIR" ] && DIR_OK=1
       [ "$UTIL_REAL_DIR" = "$BB_UTIL_DIR" ] && DIR_OK=1
       if [ $DIR_OK -eq 1 ] && [[ "$UTIL_REAL_bname" == *busybox* ]]; then
       #if [ "$(realpath $(which "$UTIL_NAME"))" = "$(realpath "$BB_DIR/$aBB_NAME" )" ] ; then
         echo 'chaing util path of '"$(which "$UTIL_NAME")"
         UTIL_PATH="$(which "$UTIL_NAME")"
         if [ ! -z "$(which "$UTIL_PATH")" ]; then
           UTIL_DIR="$(dirname $UTIL_PATH)"
           cd "$UTIL_DIR"
           UTIL_SYM_LINK="$(realpath --relative-to="$UTIL_DIR" "$BB_UTIL_DIR/$UTIL_NAME")"
           if [ -e "$UTIL_SYM_LINK" ]; then
             rm  "$(which "$UTIL_NAME")"
             ln -s "$UTIL_SYM_LINK" "$UTIL_PATH"
           elif [ -e "$BB_UTIL_DIR/UTIL_NAME" ]; then [ #In case we don't have the full version of realpath or we make a mistake
             rm  "$(which "$UTIL_NAME")"
             ln -s "$BB_UTIL_DIR/UTIL_NAME" "$UTIL_PATH"
           fi
         fi
       fi
       #set +x
  done
done

if  [ -e "$BB_DIR/busybox" ] &&
    [ $(file --mime-type "$BB_DIR/busybox" | grep -c text) -eq 0 ]; then

mv "$BB_DIR/busybox" "$BB_DIR/busybox.back.$$"


echo "#!/bin/sh
script=\${0##*/}
script2=\$1
if [ \"\$script\" = \"busybox\" ]; then
  script=\$script2 ; shift
fi
exec \"$BB_UTIL_DIR/\$script\" \"\$@\"" > "/$BB_DIR/busybox"
chmod +x "/$BB_DIR/busybox"
fi