source: MondoRescue/branches/stable/mindi-busybox/applets/install.sh@ 821

#!/bin/sh

export LC_ALL=POSIX
export LC_CTYPE=POSIX

prefix=${1}
if [ -z "$prefix" ]; then
    echo "usage: applets/install.sh DESTINATION [--symlinks/--hardlinks]"
    exit 1;
fi
h=`sort busybox.links | uniq`
cleanup="0"
noclobber="0"
case "$2" in
    --hardlinks) linkopts="-f";;
    --symlinks)  linkopts="-fs";;
    --cleanup)   cleanup="1";;
    --noclobber) noclobber="1";;
    "")          h="";;
    *)           echo "Unknown install option: $2"; exit 1;;
esac

if [ -n "$DO_INSTALL_LIBS" ] && [ "$DO_INSTALL_LIBS" != "n" ]; then
    # get the target dir for the libs
    # assume it starts with lib
    libdir=$($CC -print-file-name=libc.so | \
         sed -n 's%^.*\(/lib[^\/]*\)/libc.so%\1%p')
    if test -z "$libdir"; then
        libdir=/lib
    fi

    mkdir -p $prefix/$libdir || exit 1
    for i in $DO_INSTALL_LIBS; do
        rm -f $prefix/$libdir/$i || exit 1
        if [ -f $i ]; then
            cp -a $i $prefix/$libdir/ || exit 1
            chmod 0644 $prefix/$libdir/$i || exit 1
        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

for i in $h ; do
    appdir=`dirname $i`
    mkdir -p $prefix/$appdir || exit 1
    if [ "$2" = "--hardlinks" ]; then
        bb_path="$prefix/bin/busybox"
    else
        case "$appdir" in
        /)
            bb_path="bin/busybox"
        ;;
        /bin)
            bb_path="busybox"
        ;;
        /sbin)
            bb_path="../bin/busybox"
        ;;
        /usr/bin|/usr/sbin)
            bb_path="../../bin/busybox"
        ;;
        *)
        echo "Unknown installation directory: $appdir"
        exit 1
        ;;
        esac
    fi
    if [ "$noclobber" = "0" ] || [ ! -e "$prefix$i" ]; then
        echo "  $prefix$i -> $bb_path"
        ln $linkopts $bb_path $prefix$i || exit 1
    else
        echo "  $prefix$i already exists"
    fi
done

exit 0