add support for cleaning out previous busybox install

diff --git a/applets/install.sh b/applets/install.sh
index 8bf4886..1cd97bb 100755 (executable)
--- a/applets/install.sh
+++ b/applets/install.sh
@@ -9,9 +9,11 @@ if [ -z "$prefix" ]; then
        exit 1;
 fi
 h=`sort busybox.links | uniq`
+cleanup="0"
 case "$2" in
        --hardlinks) linkopts="-f";;
        --symlinks)  linkopts="-fs";;
+       --cleanup)   cleanup="1";;
        "")          h="";;
        *)           echo "Unknown install option: $2"; exit 1;;
 esac
@@ -34,6 +36,22 @@ if [ -n "$DO_INSTALL_LIBS" ] && [ "$DO_INSTALL_LIBS" != "n" ]; then
                fi
        done
 fi
+
+if [ "$cleanup" = "1" ] && [ -e "$prefix/bin/busybox" ]; then
+       inode=`ls -i "$prefix/bin/busybox" | awk '{print $1}'`
+       sub_shell_it=`
+       cd "$prefix"
+       for d in usr/sbin usr/bin sbin bin ; do
+               pd=$PWD
+               if [ -d "$d" ]; then
+                       cd $d
+                       ls -iL . | grep "^ *$inode" | awk '{print $2}' | env -i xargs rm -f
+               fi
+               cd "$pd"
+       done
+       `
+fi
+
 rm -f $prefix/bin/busybox || exit 1
 mkdir -p $prefix/bin || exit 1
 install -m 755 busybox $prefix/bin/busybox || exit 1