The R Project SVN R

# needs save lib pkg R_HOME
lib=$2
pkg=$3
R_HOME=$4

case $1 in
    CHECK) if test -r install.R; then R_SAVE_IMAGE=true; else R_SAVE_IMAGE=false; fi;;
    *) R_SAVE_IMAGE=$1;;
esac
export R_SAVE_IMAGE

if ${R_SAVE_IMAGE}; then
    echo "  save image"
    if test -f NAMESPACE; then
      echo "ERROR: cannot use --save if package has NAMESPACE yet"
    exit 1
    fi
    save_image_defaults="list(compress=TRUE, safe=FALSE)"
    (echo "options(save.image.defaults=${save_image_defaults})"; \
      if test -s R_PROFILE.R; then cat R_PROFILE.R; fi; \
      echo "invisible(.libPaths(c(\"${lib}\", .libPaths())))"; \
      cat ${lib}/${pkg}/R/${pkg}) | \
      ${R_HOME}/bin/Rterm --slave --save --no-site-file --no-init-file \
        || (echo "Execution of package source for ${pkg} failed"; exit 1)
    mv .RData ${lib}/${pkg}/R/all.rda
    mv ${lib}/${pkg}/R/${pkg} ${lib}/${pkg}/R/${pkg}.R
    cat ${R_HOME}/share/R/firstlib.R > ${lib}/${pkg}/R/${pkg}
    ## if install.R is non-empty, arrange to evaluate the R code it
    ## contains after the package source (maybe for some kind of
    ## cleanup).
    if test -s install.R; then
      cat install.R >> ${lib}/${pkg}/R/${pkg}
    fi
fi