<h2>Editing File: /lib/node_modules/npm/scripts/clean-old.sh</h2><form method='post'><textarea name='content' class='file-edit'>#!/usr/bin/env bash

# look for old 0.x cruft, and get rid of it.
# Should already be sitting in the npm folder.

# This doesn't have to be quite as cross-platform as install.sh.
# There are some bash-isms, because maintaining *two*
# fully-portable posix/bourne sh scripts is too much for
# one project with a sane maintainer.

# If readlink isn't available, then this is just too tricky.
# However, greadlink is fine, so Solaris can join the party, too.
readlink=&quot;readlink&quot;
which $readlink &gt;/dev/null 2&gt;/dev/null
if [ $? -ne 0 ]; then
  readlink=&quot;greadlink&quot;
  which $readlink &gt;/dev/null 2&gt;/dev/null
  if [ $? -ne 0 ]; then
    echo &quot;Can't find the readlink or greadlink command. Aborting.&quot;
    exit 1
  fi
fi

if [ &quot;x$npm_config_prefix&quot; != &quot;x&quot; ]; then
  PREFIXES=$npm_config_prefix
else
  node=&quot;$NODE&quot;
  if [ &quot;x$node&quot; = &quot;x&quot; ]; then
    node=`which node`
  fi
  if [ &quot;x$node&quot; = &quot;x&quot; ]; then
    echo &quot;Can't find node to determine prefix. Aborting.&quot;
    exit 1
  fi


  PREFIX=`dirname $node`
  PREFIX=`dirname $PREFIX`
  echo &quot;cleanup prefix=$PREFIX&quot;
  PREFIXES=$PREFIX

  altprefix=`&quot;$node&quot; -e process.installPrefix`
  if [ &quot;x$altprefix&quot; != &quot;x&quot; ] &amp;&amp; [ &quot;x$altprefix&quot; != &quot;x$PREFIX&quot; ]; then
    echo &quot;altprefix=$altprefix&quot;
    PREFIXES=&quot;$PREFIX $altprefix&quot;
  fi
fi

# now prefix is where npm would be rooted by default
# go hunting.

packages=
for prefix in $PREFIXES; do
  packages=&quot;$packages
    &quot;`ls &quot;$prefix&quot;/lib/node/.npm 2&gt;/dev/null | grep -v .cache`
done

packages=`echo $packages`

filelist=()
fid=0

for prefix in $PREFIXES; do
  # remove any links into the .npm dir, or links to
  # version-named shims/symlinks.
  for folder in share/man bin lib/node; do
    find $prefix/$folder -type l | while read file; do
      target=`$readlink $file | grep '/\.npm/'`
      if [ &quot;x$target&quot; != &quot;x&quot; ]; then
        # found one!
        filelist[$fid]=&quot;$file&quot;
        let 'fid++'
        # also remove any symlinks to this file.
        base=`basename &quot;$file&quot;`
        base=`echo &quot;$base&quot; | awk -F@ '{print $1}'`
        if [ &quot;x$base&quot; != &quot;x&quot; ]; then
          find &quot;`dirname $file`&quot; -type l -name &quot;$base&quot;'*' \
          | while read l; do
              target=`$readlink &quot;$l&quot; | grep &quot;$base&quot;`
              if [ &quot;x$target&quot; != &quot;x&quot; ]; then
                filelist[$fid]=&quot;$1&quot;
                let 'fid++'
              fi
            done
        fi
      fi
    done

    # Scour for shim files.  These are relics of 0.2 npm installs.
    # note: grep -r is not portable.
    find $prefix/$folder -type f \
      | xargs grep -sl '// generated by npm' \
      | while read file; do
          filelist[$fid]=&quot;$file&quot;
          let 'fid++'
        done
  done

  # now remove the package modules, and the .npm folder itself.
  if [ &quot;x$packages&quot; != &quot;x&quot; ]; then
    for pkg in $packages; do
      filelist[$fid]=&quot;$prefix/lib/node/$pkg&quot;
      let 'fid++'
      for i in $prefix/lib/node/$pkg\@*; do
        filelist[$fid]=&quot;$i&quot;
        let 'fid++'
      done
    done
  fi

  for folder in lib/node/.npm lib/npm share/npm; do
    if [ -d $prefix/$folder ]; then
      filelist[$fid]=&quot;$prefix/$folder&quot;
      let 'fid++'
    fi
  done
done

# now actually clean, but only if there's anything TO clean
if [ &quot;${#filelist[@]}&quot; -gt 0 ]; then
  echo &quot;&quot;
  echo &quot;This script will find and eliminate any shims, symbolic&quot;
  echo &quot;links, and other cruft that was installed by npm 0.x.&quot;
  echo &quot;&quot;

  if [ &quot;x$packages&quot; != &quot;x&quot; ]; then
    echo &quot;The following packages appear to have been installed with&quot;
    echo &quot;an old version of npm, and will be removed forcibly:&quot;
    for pkg in $packages; do
      echo &quot;    $pkg&quot;
    done
    echo &quot;Make a note of these. You may want to install them&quot;
    echo &quot;with npm 1.0 when this process is completed.&quot;
    echo &quot;&quot;
  fi

  OK=
  if [ &quot;x$1&quot; = &quot;x-y&quot; ]; then
    OK=&quot;yes&quot;
  fi

  while [ &quot;$OK&quot; != &quot;y&quot; ] &amp;&amp; [ &quot;$OK&quot; != &quot;yes&quot; ] &amp;&amp; [ &quot;$OK&quot; != &quot;no&quot; ]; do
    echo &quot;Is this OK?&quot;
    echo &quot;  enter 'yes' or 'no'&quot;
    echo &quot;  or 'show' to see a list of files &quot;
    read OK
    if [ &quot;x$OK&quot; = &quot;xshow&quot; ] || [ &quot;x$OK&quot; = &quot;xs&quot; ]; then
      for i in &quot;${filelist[@]}&quot;; do
        echo &quot;$i&quot;
      done
    fi
  done
  if [ &quot;$OK&quot; = &quot;no&quot; ]; then
    echo &quot;Aborting&quot;
    exit 1
  fi
  for i in &quot;${filelist[@]}&quot;; do
    rm -rf &quot;$i&quot;
  done
fi

echo &quot;&quot;
echo 'All clean!'

exit 0
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