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#! /bin/sh
#
# ${R_HOME}/bin/INSTALL for installing add-on packages

# @configure_input@

## Trap interrupts, most importantly 2 (^C from keyboard)
trap do_exit_on_error 1 2 15

revision='$Rev: 42205 $'
version=`set - ${revision}; echo ${2}`
version="R add-on package installer ${version}

Copyright (C) 2000-2007 The R Core Development Team.
This is free software; see the GNU General Public License version 2
or later for copying conditions.  There is NO warranty."

usage="Usage: R CMD INSTALL [options] pkgs

Install the add-on packages specified by pkgs.  The elements of pkgs can
be relative or absolute paths to directories with the package (bundle)
sources, or to gzipped package 'tar' archives.  The library tree to
install to can be specified via '--library'.  By default, packages are
installed in the library tree rooted at the first directory in
.libPaths() for an R session run in the current environment

Options:
  -h, --help        print short help message and exit
  -v, --version     print INSTALL version info and exit
      --configure-args=ARGS
                        set arguments for the package's configure script
            (if any)
      --configure-vars=VARS
                        set variables for the configure script (if any)
  -c, --clean       remove files created during installation
  --preclean        remove files created during a previous run
  -d, --debug       turn on shell and build-help debugging
  -l, --library=LIB install packages to library tree LIB
      --no-configure    do not use the package's configure script
      --no-docs     do not build and install documentation
      --with-package-versions
                        allow for multiple versions of the same package
      --use-zip-data    collect data files in zip archive
      --use-zip-help    collect help and examples into zip archives
      --use-zip     combine '--use-zip-data' and '--use-zip-help'
      --fake        do minimal install for testing purposes
      --no-lock     install on top of any existing installation
                        without using a lock directory
      --libs-only       only install the libs directory
      --build           build binary tarball(s) of the installed package(s)

Report bugs to <r-bugs@r-project.org>."

## <NOTE>
## This is a *shell* script.
## According to the R Coding Standards (see R-exts), Perl can be assumed
## for *source*, but not for *binary* installations.
## </NOTE>

## <NOTE>
## We try to be defensive about possible white space in file names,
## hence all the strange quoting ...
## </NOTE>

umask 022

R_VERSION='@VERSION@'
GETWD='@GETWD@'
R_GZIPCMD='@R_GZIPCMD@'
NO_PERL5=@NO_PERL5@
NO_PERL5_MSG="\
*** Formatting and installing R help pages needs Perl version 5, which
*** does not seem to be installed on your system or is not in your path.
*** Please install either Perl 5 on your system and re-configure R or
*** (for a CRAN package) get the PDF reference manual from the nearest
*** CRAN mirror.
*** The CRAN master site can be found at
***    http://cran.r-project.org/"

: ${R_ARCH=@R_ARCH@}
SED=@SED@

if mkdir -p . 2>/dev/null; then
  MKDIR_P="mkdir -p"
else
  MKDIR_P="${R_HOME}/bin/mkinstalldirs"
fi

warning () { echo "WARNING: $*" >&2 ; }
error ()   { echo "ERROR: $*" >&2 ; }

startdir=`${GETWD}`
: ${TMPDIR=/tmp}
{ tmpdir=`(mktemp -d -q "${TMPDIR}/R.INSTALL.XXXXXX") 2>/dev/null` \
    && test -n "${tmpdir}" && test -d "${tmpdir}" ; } ||
  { test -n "${RANDOM}" && tmpdir=${TMPDIR}/R.INSTALL$$-${RANDOM} \
      && (${MKDIR_P} "${tmpdir}") ; } ||
  { tmpdir=${TMPDIR}/R.INSTALL.$$-`date +%m%d%H%M%S` && (${MKDIR_P} "${tmpdir}") ; } ||
  { tmpdir=${TMPDIR}/R.INSTALL.$$ && (${MKDIR_P} "${tmpdir}") ; } ||
  (error "cannot create temporary directory" && exit 1)
tmpdir=`cd "${tmpdir}" && ${GETWD}`

: ${R_OSTYPE=unix}
## <NOTE>
## Unix only ... but Windows has INSTALL as a Perl script.
R_EXE="${R_HOME}/bin/R"
## </NOTE>

## record R_LIBS at this point
R_LIBS0=${R_LIBS}

## <NOTE>
## This could be made a bit more general: if R CMD INSTALL is run by
## another tool (e.g., when building or checking a package, its messages
## should be a section level deeper (at least).  So we could have an
## argument to set the initial secnumdepth (0 by default), and work
## against this ...
message () { echo "${stars} $*"; }
stars="*"
## </NOTE>

. "${R_SHARE_DIR}/sh/dcf.sh"    # get_dcf_field()

tilde_expand () {
    h=`echo "${HOME}" | ${SED} 's,/,\\\/,g'`
    ## (Need to escape whatever we use as sed delimiter.)
    echo "$1" | ${SED} "s/^~/${h}/"
}

get_packages () {
  ## get the full path names to all packages contained in $1.
  ## NOTE: modifies pkgs!
  if grep "^Contains:" "${1}/DESCRIPTION" >/dev/null; then
    bundlepkg=`get_dcf_field Contains "${1}/DESCRIPTION"`
    for p in ${bundlepkg}; do
      pkgs="${pkgs} \"`cd "${1}/${p}" && ${GETWD}`\""
      if test -f "${1}/${p}/DESCRIPTION.in"; then
        ## Try being defensive about missing final newlines, or extra
    ## empty lines.
        (cat "${1}/${p}/DESCRIPTION.in" "${1}/DESCRIPTION"
     echo) | tr '\r' ' ' | ${SED} '/^ *$/d' > "${1}/${p}/DESCRIPTION"
      fi
    done
  else
    pkgs="${pkgs} \"`cd "${1}" && ${GETWD}`\""
  fi
}

parse_description_field () { # fieldname
  tmp=`get_dcf_field ${1} DESCRIPTION`
  if test "x$tmp" != "x" ; then
    case "$tmp" in
      yes|Yes|true|True|TRUE)
      value=true
      ;;
      no|No|false|False|FALSE)
      value=false
      ;;
      *)
      error "invalid value of ${1} field in DESCRIPTION"
      do_exit_on_error
      ;;
    esac
  else
    value="missing"
  fi
}

do_cleanup_tmpdir () {
  ## Solaris will not remove any directory in the current path
  cd "${startdir}"
  if test -d "${tmpdir}"; then
    rm -rf "${tmpdir}"
  fi
}

### 
### Setup and command line processing.

pkgs=
lib=
clean=false
preclean=false
debug=false
build_text=true
build_html=true
build_latex=true
build_example=true
build_help=true
build_help_opts=
use_configure=true
use_zip_data=
use_zip_help=
configure_args=
configure_vars=
with_package_versions=false
save=false
save_args=
fake=false
lazy="auto"
lazy_data=false
lock=true
libs_only=false
tar_up=false
shargs=

while test -n "${1}"; do
  ##DBG echo "   in 'R INSTALL' --arg checking-- \$1 = '${1}'" # Debugging
  case ${1} in
    -h|--help)
      echo "${usage}"; do_cleanup_tmpdir; exit 0 ;;
    -v|--version)
      echo "${version}"; do_cleanup_tmpdir; exit 0 ;;
    -c|--clean)
      clean=true
      shargs="${shargs} ${1}"
      ;;
    --preclean)
      preclean=true 
      shargs="${shargs} --preclean"
      ;;
    -d|--debug)
      debug=true ;;
    --with-package-versions)
      with_package_versions=true ;;
    --no-configure)
      use_configure=false ;;
    --no-docs)
      build_text=false
      build_html=false
      build_latex=false
      build_example=false ;;
    --no-text)
      build_text=false ;;
    --no-html)
      build_html=false ;;
    --no-latex)
      build_latex=false ;;
    --no-example)
      build_example=false ;;
    --use-zip)
      use_zip_data=true
      use_zip_help=true ;;
    --use-zip-data)
      use_zip_data=true ;;
    --use-zip-help)
      use_zip_help=true ;;
    -l|--library)
      lib="${2}"; shift ;;
    --library=*)
      lib=`echo "${1}" | ${SED} -e 's/[^=]*=//'` ;;
    --configure-args=*)
      configure_args=`echo "${1}" | ${SED} -e 's/[^=]*=//'` ;;
    --configure-vars=*)
      configure_vars=`echo "${1}" | ${SED} -e 's/[^=]*=//'` ;;
    --fake)
      fake=true ;;
    --no-lock)
      lock=false ;;
    --libs-only)
      libs_only=true ;;
    --build)
      tar_up=true ;;
    *)
      if test -f "${1}"; then
    ##DBG echo "  in 'R INSTALL' --arg checking-- FILE '${1}'"
    pkgname=`basename "${1}"`
    ## Also allow for 'package.tgz' ...
    pkgname=`basename "${pkgname}" .tgz`
    pkgname=`echo "${pkgname}" | ${SED} 's/_.*//'`
    ## Note that we use '-m' so that modification dates are *not*
    ## preserved when untarring the sources.  This is necessary to
    ## ensure that the preformatted help pages are always rebuilt.
    ## Otherwise, the build date for an older version may be newer
    ## than the modification date for the new sources as recorded in
    ## the tarball ...
    ${R_GZIPCMD} -dc "${1}" | (cd "${tmpdir}" && ${TAR} -mxf -)
    ## If we have a binary bundle distribution, the DESCRIPTION file
    ## is at top level.
    if test -f "${tmpdir}/DESCRIPTION"; then
      if grep "^Contains:" "${tmpdir}/DESCRIPTION" >/dev/null; then
         message "Looks like a binary bundle"
         get_packages "${tmpdir}"
      else
        error "unknown package layout"
        do_cleanup_tmpdir;
        exit 1
      fi
    elif test -f "${tmpdir}/${pkgname}/DESCRIPTION"; then
      get_packages "${tmpdir}/${pkgname}"
    else
      error "cannot extract package from '${1}'"
      do_cleanup_tmpdir;
      exit 1
    fi
      elif test -f "${1}/DESCRIPTION"; then
    ##DBG echo " in 'R INSTALL' -f DESCRIPTION --> 'get_packages ${1}'"
        get_packages "${1}"
      else
    warning "invalid package '${1}'"
      fi
      ;;
  esac
  shift
done

lib=`tilde_expand "${lib}"`
if test -z "${lib}"; then
  lib=`echo "cat('\n~~~', .libPaths()[1], '\n', sep = '')" | \
    R_DEFAULT_PACKAGES=NULL "${R_EXE}" --no-save --slave | \
    grep '^~~~' | sed 's/.*~~~//'`
  message "Installing to library '$lib'"
  ## $lib gets checked later.
else
  lib0=${lib}
  if test ! -d "${lib}"; then
    error "-l or --library value '${lib}' does not exist or is not a directory"
    do_cleanup_tmpdir;
    exit 2
  fi
  if test ! -w "${lib}"; then
    error "-l  or --library value '${lib}' does not have write access"
    do_cleanup_tmpdir;
    exit 2
  fi
  cd ${lib}
  lib=`${GETWD}`
  cd ${startdir}
fi


if (${tar_up} && ${fake}); then
  error "building a fake installation is disallowed"
  do_cleanup_tmpdir;
  exit 1
fi

if ${libs_only} ; then
  lock=false
  tar_up=false
  more_than_libs=false
else
  more_than_libs=true
fi

if ${debug} ; then
  echo "'Rcmd INSTALL': in startdir= $startdir with tmpdir= $tmpdir"
  echo "   lib= '$lib', pkgs= '$pkgs'"
fi

if test -z "${pkgs}"; then
  error "no packages specified"
  do_cleanup_tmpdir;
  exit 1
fi

if (test -d "${lib}" && test -w "${lib}") || \
    ${MKDIR_P} "${lib}" 2> /dev/null; then
  lib=`cd "${lib}" && ${GETWD}`
else
  error "cannot write to or create directory '${lib}'"
  do_cleanup_tmpdir;
  exit 2
fi
if ${lock} ; then
  lockdir="${lib}/00LOCK"
  if ${debug} ; then  echo "   before checking lockdir= '${lockdir}'" ; fi
  if test -d "${lockdir}" || test -f "${lockdir}"; then
    error "failed to lock directory '${lib}' for modifying"
    echo "Try removing '${lockdir}'" >&2
    do_cleanup_tmpdir;
    exit 3
  else
    ${MKDIR_P} "${lockdir}"
    if test ${?} -ne 0; then
      ## This should not really happen ...
      error "failed to lock directory '${lib}' for modifying"
      do_cleanup_tmpdir;
      exit 3
    fi
  fi
  if ${debug} ; then  echo '   after checking lockdir' ; fi
fi

if ${fake}; then
  use_configure=false
  build_text=true
  build_html=false
  build_latex=true
  build_example=false
fi

if ${build_text}; then
  build_help_opts="${build_help_opts} --txt"
fi
if ${build_html}; then
  build_help_opts="${build_help_opts} --html"
fi
if ${build_latex}; then
  build_help_opts="${build_help_opts} --latex"
fi
if ${build_example}; then
  build_help_opts="${build_help_opts} --example"
fi
if test -z "${build_help_opts}"; then
  build_help=false
elif ${debug}; then
  build_help_opts="--debug ${build_help_opts}"
fi

if ${debug} ; then echo "   build_help_opts= '${build_help_opts}'" ; fi

is_first_package=yes

### 
### Install a *binary* package (not bundle) from the current directory.

do_install_binary () {
  pkg="${1}"
  R_PACKAGE_DIR="${2}"
  R_PACKAGE_NAME="${3}"

  if test "${pkg}" = "${R_PACKAGE_NAME}"; then
    message "Installing *binary* package '${pkg}' ..."
  else
    message "Installing *binary* package '${pkg}' as '${R_PACKAGE_NAME}' ..."
  fi

  if test -f "${R_PACKAGE_DIR}/DESCRIPTION"; then
    ## Back up previous version.
    if ${lock}; then mv "${R_PACKAGE_DIR}" "${lockdir}/${R_PACKAGE_NAME}" ; fi
    ${MKDIR_P} "${R_PACKAGE_DIR}"
  fi

  cp -r . "${R_PACKAGE_DIR}" || \
    (${TAR} cf - . | (cd "${R_PACKAGE_DIR}" && ${TAR} xf -))

  if test ${?} -ne 0; then
    error "installing binary package failed"
    do_exit_on_error
  fi
  if ${tar_up} ; then
    echo "${pkg} was already a binary package and will not be rebuilt"
  fi
}

### 
### Install a *source* package from the current directory.

do_install_source () {
  pkg_name="${1}"
  pkg_dir="${4}"
  ## (The basename of ${pkg_dir} might be different from ${pkg_name},
  ## e.g., when building Debian packages from R packages.)

  ## Make the destination directories available to the developer's
  ## installation scripts (e.g. configure, etc.)
  R_PACKAGE_DIR="${2}"
  R_PACKAGE_NAME="${3}"
  R_LIBRARY_DIR="${lib}"
  export R_LIBRARY_DIR
  export R_PACKAGE_DIR
  export R_PACKAGE_NAME

  if test -n "${lib0}" ; then
    ## set R_LIBS to include the current installation directory
    if test -n "${R_LIBS}"; then
      R_LIBS="${lib}:${R_LIBS}"
    else
      R_LIBS="${lib}"
    fi
    export R_LIBS
  fi
  

  Type=`get_dcf_field Type DESCRIPTION`
  if test "$Type" = "Frontend" ; then
    message "Installing *Frontend* package '${pkg_name}' ..."
    if ${preclean}; then
      ${MAKE} clean
    fi
    if ${use_configure} && test -x ./configure ; then
      eval ${configure_vars} ./configure ${configure_args}
      if test ${?} -ne 0; then
    error "configuration failed for package '${pkg_name}'"
    do_exit_on_error
      fi
    fi
    if test -f ./Makefile ; then
    ${MAKE}
      if test ${?} -ne 0; then
    error "make failed for package '${pkg_name}'"
    do_exit_on_error
      fi
      if ${clean}; then
    ${MAKE} clean
      fi
      return
    fi
  fi
  if test "$Type" = "Translation" ; then
    message "Installing *Translation* package '${pkg_name}' ..."
    if test -d "share"; then
      cp -r ./share/* ${R_SHARE_DIR}
    fi
    if test -d "library"; then
      cp -r ./library ${R_HOME}
    fi
    return
  fi

  if test "${pkg_name}" = "${R_PACKAGE_NAME}"; then
    message "Installing *source* package '${pkg_name}' ..."
  else
    message "Installing *source* package '${pkg_name}' as '${R_PACKAGE_NAME}' ..."
  fi

  stars="**"

  if test -f "${R_PACKAGE_DIR}/DESCRIPTION"; then
    ## Back up previous version.
    if ${lock} ; then
      mv "${R_PACKAGE_DIR}" "${lockdir}/${R_PACKAGE_NAME}"
    else
      if ${more_than_libs}; then
        ## this is only used for recommended packages installed from .tgz
        rm -rf "${R_PACKAGE_DIR}"
      fi
    fi
    ${MKDIR_P} "${R_PACKAGE_DIR}"
    ## Preserve man pages to speed up installation?  Only makes sense
    ## if we install from a non-temporary directory.
    if ${lock} && test "`cd .. && ${GETWD}`" != \
            "`cd \"${tmpdir}\" && ${GETWD}`"; then
      (cd "${lockdir}/${R_PACKAGE_NAME}" \
          && ${TAR} cf - R-ex help html latex 2>/dev/null) | \
    (cd "${R_PACKAGE_DIR}" && ${TAR} xf -)
    fi
    ## check if we are in a bundle so we can back out the whole bundle
    if grep "^Bundle:" DESCRIPTION >/dev/null; then
      if ${tar_up} ; then
        error "cannot build (nor INSTALL) binary versions of bundles"
        do_exit_on_error
      fi
      bundlepkg=`get_dcf_field Contains ../DESCRIPTION`
    else
      bundlepkg=${pkg_name}
    fi
  fi

  if ${preclean}; then
    if test -d src; then
      cd src
      if test -f Makefile; then
        ${MAKE} clean
      else
    ## we will be using SHLIB --preclean
        rm -f *@SHLIB_EXT@
      fi
      cd ..
    fi
    if test -x ./cleanup ; then
      ./cleanup
    fi
  fi

  if ${use_configure} && test -x ./configure ; then
    eval ${configure_vars} ./configure ${configure_args}
    if test ${?} -ne 0; then
      error "configuration failed for package '${pkg_name}'"
      do_exit_on_error
    fi
  fi


  if ${more_than_libs}; then
    for f in COPYING NAMESPACE; do
      if test -f "${f}"; then
    cp "${f}" "${R_PACKAGE_DIR}"
    chmod 644 "${R_PACKAGE_DIR}/${f}"
      fi
    done

    ## Install DESCRIPTION file with build information.
    echo "tools:::.install_package_description(\".\", \"${R_PACKAGE_DIR}\")" | \
      R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla >/dev/null
    if test ${?} -ne 0; then
      error "installing package DESCRIPTION failed"
      do_exit_on_error
    fi
  fi

  if test -d src && test "${fake}" != "true"; then
    message "libs"
    has_error=false
    CLINK_CPPFLAGS=`echo "tools:::.find_cinclude_paths(file='DESCRIPTION')" | \
      "${R_EXE}" --vanilla --slave`
    export CLINK_CPPFLAGS
    if ${debug}; then set -x; fi
    ${MKDIR_P} "${R_PACKAGE_DIR}/libs${R_ARCH}"
    if test -f src/Makefile; then
      arch=`echo ${R_ARCH} | ${SED} -e 's+^/++'`
      message "arch - ${arch}"
      cd src;
      makefiles="-f \"${R_SHARE_DIR}\"/make/shlib.mk -f Makefile"
      if test -r "${HOME}/.R/Makevars-${R_PLATFORM}"; then
      makefiles="${makefiles} -f \"${HOME}/.R/Makevars-${R_PLATFORM}\""
      elif test -r "${HOME}/.R/Makevars"; then
      makefiles="${makefiles} -f \"${HOME}/.R/Makevars\""
      fi
      if test -r Makevars; then
    makefiles="-f Makevars ${makefiles}"
      fi
      eval ${MAKE} ${makefiles} all \
    && cp *@SHLIB_EXT@ "${R_PACKAGE_DIR}/libs${R_ARCH}" \
        || has_error=true; \
      cd ..
    else
      cd src;
      srcs=`ls *.[cfmCM] *.cc *.cpp *.f90 *.f95 *.mm 2>/dev/null`
      archs=`(cd ${R_HOME}/bin/exec; ls)`
      R_ARCH_keep=${R_ARCH}
      if test -n "${srcs}"; then
    ## if there is a configure script we install only the main
    ## sub-architecture
    if test -x ../configure; then
      if test -n "${R_ARCH}"; then
        arch=`echo ${R_ARCH} | ${SED} -e 's+^/++'`
        message "arch - ${arch}"
      fi
      sh "${R_HOME}/bin/SHLIB" ${shargs} -o "${pkg_name}@SHLIB_EXT@" ${srcs} \
        && cp *@SHLIB_EXT@ "${R_PACKAGE_DIR}/libs${R_ARCH}" \
        || has_error=true;
      chmod 755 "${R_PACKAGE_DIR}/libs${R_ARCH}/"*
        else
      for arch in ${archs}; do
        rm -f *.o *.so *.sl *.dylib
        if test "${arch}" = "R"; then
          R_ARCH=${R_ARCH_keep}
          export R_ARCH
          sh "${R_HOME}/bin/SHLIB" -o "${pkg_name}@SHLIB_EXT@" ${srcs} \
        && cp *@SHLIB_EXT@ "${R_PACKAGE_DIR}/libs" \
        || has_error=true;
        elif test "${arch}" = "Rgnome"; then
        R_ARCH=${R_ARCH_keep}
        else
          message "arch - ${arch}"
          R_ARCH="/${arch}"
          export R_ARCH
          ${MKDIR_P} "${R_PACKAGE_DIR}/libs${R_ARCH}"
          sh "${R_HOME}/bin/SHLIB" -o "${pkg_name}@SHLIB_EXT@" ${srcs} \
        && cp *@SHLIB_EXT@ "${R_PACKAGE_DIR}/libs${R_ARCH}" \
        || has_error=true;
          chmod 755 "${R_PACKAGE_DIR}/libs${R_ARCH}/"*
        fi
      done
      R_ARCH=${R_ARCH_keep}
        fi
      else
    warning "no source files found"
      fi
      cd ..
    fi
    if ${has_error}; then
      error "compilation failed for package '${pkg_name}'"
      do_exit_on_error
    fi
    chmod 755 "${R_PACKAGE_DIR}/libs${R_ARCH}/"*
    if ${debug}; then set +x; fi
  fi

  if ${more_than_libs}; then
  if test -d R; then
    message "R"
      ${MKDIR_P} "${R_PACKAGE_DIR}/R"
      rm -f "${R_PACKAGE_DIR}/R/"*
      ## this uses the locale to find a suitable charset
      echo "tools:::.install_package_code_files(\".\", \"${R_PACKAGE_DIR}\")" | \
        R_DEFAULT_PACKAGES=NULL LC_COLLATE=C "${R_EXE}" --vanilla >/dev/null
      if test ${?} -ne 0; then
        error "unable to collate files for package '${pkg_name}'"
        do_exit_on_error
      fi
    if test -f "R/sysdata.rda"; then
      echo "tools:::sysdata2LazyLoadDB(\"R/sysdata.rda\", \"${R_PACKAGE_DIR}/R\")" | \
        R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla > /dev/null ; \
      if test ${?} -ne 0; then \
        error "unable to build sysdata DB for package '${pkg_name}'" ; \
        do_exit_on_error ; \
      fi ; \
    fi
    if ${fake}; then
      if test -f NAMESPACE; then
        (echo; echo ".onLoad <- .onAttach <- function(lib, pkg) NULL") >> \
      "${R_PACKAGE_DIR}/R/${R_PACKAGE_NAME}"
    ## <NOTE>
    ## Tweak fake installation to provide an 'empty' useDynLib() for
    ## the time being.  Completely removing the directive results in
    ## checkFF() being too aggresive in the case where the presence
    ## of the directive enables unambiguous symbol resolution w/out
    ## 'PACKAGE' arguments.  However, empty directives are not
    ## really meant to work ...
    ${SED} -e 's/useDynLib.*/useDynLib("")/' NAMESPACE > \
      "${R_PACKAGE_DIR}/NAMESPACE"
        ## </NOTE>
      else
        (echo; echo ".First.lib <- function(lib, pkg) NULL") >> \
          "${R_PACKAGE_DIR}/R/${R_PACKAGE_NAME}"
      fi
    fi
  fi
  if test -d data; then
    message "data"
    ${MKDIR_P} "${R_PACKAGE_DIR}/data"
    rm -f "${R_PACKAGE_DIR}/data/"*
    cp data/* "${R_PACKAGE_DIR}/data" 2>/dev/null
    chmod 644 "${R_PACKAGE_DIR}/data/"*
    parse_description_field LazyData
    if test "$value" = "missing" ; then
      thislazy=${lazy_data}
    else
      thislazy=${value}
    fi
    if ${thislazy}; then
      message " moving datasets to lazyload DB"
      ## it is possible that data in a package will make use of the
      ## code in the package, so ensure the package we have just
      ## installed is on the library path.
      echo "options(warn=1); invisible(.libPaths(c(\"${lib}\", .libPaths()))); tools:::data2LazyLoadDB(\"${R_PACKAGE_NAME}\", \"${lib}\")" | \
        R_DEFAULT_PACKAGES= LC_ALL=C "${R_EXE}" --vanilla > /dev/null
    if test ${?} -ne 0; then
      error "lazydata failed for package '${pkg_name}'"
      do_exit_on_error
    fi
    else
      if test -n "${use_zip_data}" \
      && test -n "${R_UNZIPCMD}" \
      && test -n "${R_ZIPCMD}"; then
    (cd "${R_PACKAGE_DIR}/data";
      find . -type f -print > filelist
      ${R_ZIPCMD} -q -m Rdata * -x filelist 00Index)
      fi
    fi
  fi

  if test -d demo && test "${fake}" != "true"; then
    message "demo"
    ${MKDIR_P} "${R_PACKAGE_DIR}/demo"
    rm -f "${R_PACKAGE_DIR}/demo/"*
    echo "tools:::.install_package_demos('.', '${R_PACKAGE_DIR}')" | \
      R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla --slave > /dev/null
    if test ${?} -ne 0; then
      error "installing demos failed"
      do_exit_on_error
    fi
    chmod 644 "${R_PACKAGE_DIR}/demo/"*
  fi

  if test -d exec && test "${fake}" != "true"; then
    message "exec"
    ${MKDIR_P} "${R_PACKAGE_DIR}/exec"
    rm -f "${R_PACKAGE_DIR}/exec/"*
    cp exec/* "${R_PACKAGE_DIR}/exec" 2>/dev/null
    chmod 755 "${R_PACKAGE_DIR}/exec/"*
  fi

  if test -d inst && test "${fake}" != "true"; then
    message "inst"
    cp -r inst/* "${R_PACKAGE_DIR}" || \
      (cd inst && ${TAR} cf - . | \
        (cd "${R_PACKAGE_DIR}" && ${TAR} xf -))
  fi

  if test -r install.R; then 
      warning "use of install.R is no longer supported"
  fi
  if test -r R_PROFILE.R; then 
      warning "use of R_PROFILE.R is no longer supported"
  fi
  parse_description_field SaveImage
  if test "$value" != "missing" ; then
    save=${value}
  fi
  ## sanity check
  if test ! -d R ; then
    R_SAVE_IMAGE=false
  else
    R_SAVE_IMAGE=${save}
  fi
  export R_SAVE_IMAGE
  if ${R_SAVE_IMAGE}; then
    warning "true value of 'SaveImage' is deprecated in favour of 'LazyLoad: true'"
  fi

  if ${R_SAVE_IMAGE}; then
    message "save image"
    ## <NOTE>
    ## We want R to run as quietly as possible when creating the save
    ## image.  But this is tricky: sending options(echo=FALSE) to R via
    ## stdin (as opposed to writing to a file and reading from it)
    ## echoes what we sent before shutting up R, which is not what we
    ## want.  Option '--slave' gets around this but also turns off
    ## saving ... hence we call R with '--slave --save' (in case there
    ## is no namespace).  Argh.
    ## </NOTE>
    save_image_defaults="list(compress=TRUE, safe=FALSE)"
    code_file="${R_PACKAGE_DIR}/R/${pkg_name}"
    rda_file="${R_PACKAGE_DIR}/R/all.rda"
    if test -f NAMESPACE; then
      code_cmd="echo invisible(.libPaths(c(\"${lib}\", .libPaths()))); .getRequiredPackages(); saveNamespaceImage(\"${R_PACKAGE_NAME}\", \"${rda_file}\", \"${lib}\")"
      loader_file=nsrdaload.R
      R_save_args="--vanilla --slave"
    else
      code_cmd="eval cat \"${code_file}\""
      loader_file=firstlib.R
      R_save_args="--vanilla --slave --save"
    fi
    (echo "options(save.image.defaults=${save_image_defaults})"; \
      echo "invisible(.libPaths(c(\"${lib}\", .libPaths()))); .getRequiredPackages()"; \
      ${code_cmd}) | \
        R_DEFAULT_PACKAGES= LC_ALL=C "${R_EXE}" ${R_save_args} ${save_args}
    if test ${?} -ne 0; then
      error "execution of package source for '${pkg_name}' failed"
      do_exit_on_error
    fi
    test -f NAMESPACE || mv .RData "${rda_file}"
    ## we used to install the dumped code but this seems a waste of space
    rm "${code_file}"
    # mv "${code_file}" "${R_PACKAGE_DIR}/R/${pkg_name}.R"
    cat "${R_SHARE_DIR}/R/${loader_file}" > "${code_file}"
  fi

  parse_description_field LazyLoad
  if test "$value" = "missing" ; then
    thislazy=${lazy}
  else
    thislazy=${value}
  fi
  if test ! -d R ; then
    thislazy=false
  fi
  ## This test is designed to fail if a loader is used.
  ## Beware: the wc format is not portable -- some systems give
  ## size in a left-space-padded first field, and some do not pad.
  if test "x$thislazy" = "xauto" ; then
    Rcodesize=`cat ${R_PACKAGE_DIR}/R/${pkg_name} | wc -c`
    if test ${Rcodesize} -gt 25000 ; then
      thislazy=true
    else
      thislazy=false
    fi
  fi
  if ${thislazy}; then
    message "preparing package for lazy loading"
    (echo "options(warn=1); invisible(.libPaths(c(\"${lib}\", .libPaths()))); .getRequiredPackages(); tools:::makeLazyLoading(\"${R_PACKAGE_NAME}\", \"${lib}\")") | \
      R_DEFAULT_PACKAGES= LC_ALL=C "${R_EXE}" --vanilla --slave
    if test ${?} -ne 0; then
      error "lazy loading failed for package '${pkg_name}'"
      do_exit_on_error
    fi
    rm -f ${R_PACKAGE_DIR}/R/all.rda
  fi

  if test -d man; then
    message "help"
    ## Install man sources ...
    echo "tools:::.install_package_man_sources('.', '${R_PACKAGE_DIR}')" | \
      R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla --slave > /dev/null
    if test ${?} -ne 0; then
      error "installing man sources failed"
      do_exit_on_error
    fi
    chmod 644 "${R_PACKAGE_DIR}/man/${pkg_name}.Rd.gz"
    ## Maybe build preformatted help pages ...
    if ${build_help}; then
      if ${NO_PERL5}; then
    echo "${NO_PERL5_MSG}"
      else
    if ${debug}; then
      echo "DEBUG: build-help ${build_help_opts} ${pkg_dir} ${lib} ${R_PACKAGE_DIR} ${pkg_name}"
    fi
    "${R_CMD}" perl "${R_SHARE_DIR}/perl/build-help.pl" \
      ${build_help_opts} \
      "${pkg_dir}" "${lib}" "${R_PACKAGE_DIR}" "${pkg_name}"
    if test ${?} -ne 0; then
      error "building help failed for package '${pkg_name}'"
      do_exit_on_error
        fi
      fi
      if test -n "${use_zip_help}" \
      && test -n "${R_UNZIPCMD}" \
      && test -n "${R_ZIPCMD}"; then
    (cd "${R_PACKAGE_DIR}"
      if test -d R-ex; then
        (cd R-ex; ${R_ZIPCMD} -q -m Rex *.R)
      fi
          if test -d help; then
        (cd help; ${R_ZIPCMD} -q -m Rhelp * -x AnIndex);
      fi
      if test -d latex; then
            (cd latex; ${R_ZIPCMD} -q -m Rhelp *.tex)
          fi)
      fi
    fi
  else
    echo "No man pages found in package '${pkg_name}'"
  fi

  message "building package indices ..."
  echo "invisible(.libPaths(c(\"${lib}\", .libPaths()))); tools:::.install_package_indices(\".\", \"${R_PACKAGE_DIR}\")" | \
    R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla >/dev/null
  if test ${?} -ne 0; then
    error "installing package indices failed"
    do_exit_on_error
  fi

  ## Install a dump of the parsed NAMESPACE file
  if test -f NAMESPACE && test "${fake}" != "true"; then
      echo "tools:::.install_package_namespace_info(\".\", \"${R_PACKAGE_DIR}\")" | \
        R_DEFAULT_PACKAGES=NULL LC_ALL=C "${R_EXE}" --vanilla >/dev/null
    if test ${?} -ne 0; then
      error "installing namespace metadata failed"
      do_exit_on_error
    fi
  fi

  fi ## ${more_than_libs}

  ## <NOTE>
  ## Remove stuff we should not have installed in the first place.
  ## When installing from a source directory under version control, we
  ## should really exclude the subdirs CVS, .svn (Subversion) and
  ## .arch-ids (arch).
  for d in CVS .svn .arch-ids .git; do
    find "${R_PACKAGE_DIR}" -name ${d} -type d -prune \
      -exec rm -rf \{\} \; 2>/dev/null
  done
  ## </NOTE>

  if ${clean}; then
    if test -d src; then
      cd src
      if test -f Makefile; then
        ${MAKE} clean
      else
    ## we used SHLIB --clean
        rm -f *@SHLIB_EXT@
      fi
      cd ..
    fi
    if test -x ./cleanup ; then
      ./cleanup
    fi
  fi

  ## now repackage as a tarball if requested
  if ${tar_up} ; then
    version=`get_dcf_field Version DESCRIPTION`
    ## R_PLATFORM is set by R CMD
    filename="${R_PACKAGE_NAME}_${version}_R_${R_PLATFORM}.tar"
    filepath="${startdir}/$filename"
    ${TAR} -chf "$filepath" -C "${R_LIBRARY_DIR}" ${R_PACKAGE_NAME}
    ${R_GZIPCMD} -9f "$filepath"
    echo "packaged installation of '${R_PACKAGE_NAME}' as ${filename}.gz"
  fi

  stars="*"
}

### 
### Install a package.

do_install () {
  cd "${1}"
  pkg_dir="${1}"
  pkg_name=`get_dcf_field Package DESCRIPTION`
  ## (The basename of ${pkg_dir} might be different from ${pkg_name},
  ## e.g., when building Debian packages from R packages.)
  if test -z "${pkg_name}"; then
    error "no 'Package' field in 'DESCRIPTION'"
    do_exit_on_error no
  fi

  ## Set R_PACKAGE_DIR here at the top level.  If a version is being
  ## specified, tack that on.
  version=""
  if ${with_package_versions}; then
    version=`get_dcf_field Version DESCRIPTION`
    if test -z "${version}"; then
      error "no 'Version' field in 'DESCRIPTION'"
      do_exit_on_error no
    fi
    R_PACKAGE_NAME="${pkg_name}_${version}"
    R_PACKAGE_DIR="${lib}/${pkg_name}_${version}"
  else
    R_PACKAGE_NAME="${pkg_name}"
    R_PACKAGE_DIR="${lib}/${pkg_name}"
  fi
  export R_PACKAGE_DIR
  export R_PACKAGE_NAME

  depends=`get_dcf_field Depends DESCRIPTION`
  depends=`echo "${depends}" | grep 'R *('`
  if test "${depends}"; then
    depends=`echo "${depends}" | ${SED} 's/.*R *(\([^)]*\)).*/\1/;s/=/= /'`
    dep_operator=`set - ${depends}; echo ${1}`
    dep_version=`set - ${depends}; echo ${2}`
    ## Currently, only operators '<=' and '>=' are supported.  Hence we
    ## check this, and also whether we found a version string.
    ## <FIXME> This thinks 1.9.1 > 1.10.0 </FIXME>
    if (test "${dep_operator}" = "<=" \
           || test "${dep_operator}" = ">=") \
         && test -n "${dep_version}"; then
      dep_ok=`expr ${R_VERSION} ${dep_operator} ${dep_version} `
      if test ${dep_ok} -eq 0; then
        error "This R is version ${R_VERSION}"
        echo "       package '${pkg_name}' needs R ${dep_operator} ${dep_version}" >&2
        do_exit_on_error
      fi
    else
      warning "malformed 'Depends' field in 'DESCRIPTION'"
    fi
  fi

  ${MKDIR_P} "${R_PACKAGE_DIR}" || do_exit_on_error no

  ## Make sure we do not attempt installing to srcdir.
  if test "`cd \"${R_PACKAGE_DIR}\" && ${GETWD}`" = "`${GETWD}`"; then
    error "cannot install to srcdir"
    do_exit_on_error no
  fi

  ## Figure out whether this is a source or binary package.
  if grep "^Built:" DESCRIPTION >/dev/null ; then
    ## If DESCRIPTION has a @samp{Built:} entry this is a binary
    ## package.  This is the right test, but not available for packages
    ## installed prior to 1.4.0 -- but 2.0.0 requires packages to be
    ## reinstalled.
    is_source_package=false
  else
    is_source_package=true
  fi

  test "${is_first_package}" = no && echo

  if ${is_source_package}; then
    ## This is a source package ... hopefully.
    do_install_source \
      "${pkg_name}" "${R_PACKAGE_DIR}" "${R_PACKAGE_NAME}" "${pkg_dir}"
  else
    ## This is a binary package ... hopefully.
    do_install_binary \
      "${pkg_name}" "${R_PACKAGE_DIR}" "${R_PACKAGE_NAME}"
  fi

  find "${R_PACKAGE_DIR}" -exec chmod a+r \{\} \;

  message "DONE (${pkg_name})"
  is_first_package=no
}

### 
### Exit and cleanup.

do_exit_on_error () {
  remove_R_package_dir=${1-yes}
  ## If we are not yet processing a package, we will not have
  ## set pkg_dir.  It's the first thing in do_install.
  if test -n "${pkg_dir}"; then
    ## Find out if this is a bundle.  If we are installing multiple
    ## 'packages' the existing bundlepkg is unreliable.
    bundlepkg=`get_dcf_field Contains "${pkg_dir}/DESCRIPTION"`
    if test -z "${bundlepkg}"; then
      bundlepkg=${pkg_name}
    fi
    for p in ${bundlepkg}; do
      if ${with_package_versions}; then
    p=${p}_${version}
      fi
      pkgdir="${lib}/$p"
      if test "${remove_R_package_dir}" = yes && test -n "${pkgdir}"; then
    message "Removing '${pkgdir}'"
    rm -rf "${pkgdir}"
      fi
      if test -n "$p" \
      && test -d "${lockdir}/$p"; then
    message "Restoring previous '${pkgdir}'"
    mv "${lockdir}/$p" "${pkgdir}"
      fi
    done
  fi
  do_cleanup
  exit 1
}

do_cleanup () {
  do_cleanup_tmpdir

  if test "${is_first_package}" = no; then
    ## Only need to do this in case we successfully installed at least
    ## *one* package ... well not so sure for bundles.
    cp "${R_DOC_DIR}/html/R.css" "${lib}"
    chmod 644 "${lib}/R.css" 2>/dev/null
    if test "${lib}" = "`cd \"${R_HOME}/library\" && ${GETWD}`"; then
      cat "${R_HOME}"/library/*/CONTENTS \
        > "${R_DOC_DIR}"/html/search/index.txt
      if ${build_help} && test "${NO_PERL5}" = "false"; then
        echo "tools:::unix.packages.html(.Library, docdir=\"${R_DOC_DIR}\")" | \
          R_DEFAULT_PACKAGES=NULL LC_COLLATE=C "${R_EXE}" --vanilla >/dev/null
      fi
    fi
  fi
  if ${lock}; then
    rm -rf "${lockdir}"
  fi
}

### 
### Main loop.
if ${debug} ; then
    echo "'Rcmd INSTALL': now doing 'eval ... do_install':"
fi
eval "for pkg in ${pkgs}; do do_install \"\${pkg}\"; done"
do_cleanup

### Local Variables: ***
### mode: sh ***
### sh-indentation: 2 ***
### End: ***