`nvm reinstall-packages` should install the same version it had before.

nvm.sh

@@ -1742,17 +1742,19 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
       fi
 
       local INSTALLS
-      INSTALLS=$(echo "$NPMLIST" | command sed -e '/ -> / d' -e '/\(empty\)/ d' -e 's/^.* \(.*\)@.*/\1/' -e '/^npm$/ d' | command xargs)
+      INSTALLS=$(echo "$NPMLIST" | command sed -e '/ -> / d' -e '/\(empty\)/ d' -e 's/^.* \(.*@[^ ]*\).*/\1/' -e '/^npm@[^ ]*.*$/ d' | command xargs)
 
       echo "Reinstalling global packages from $VERSION..."
       echo "$INSTALLS" | command xargs npm install -g --quiet
 
       local LINKS
-      LINKS=$(echo "$NPMLIST" | command sed -n 's/.* -> \(.*\)/\1/ p')
+      LINKS="$(echo "$NPMLIST" | command sed -n 's/.* -> \(.*\)/\1/ p')" # | command sed -e '/^ *$/d;s/.*/"&"/')
 
       echo "Linking global packages from $VERSION..."
-      for LINK in $LINKS; do
+      for LINK in "$LINKS"; do
-        (cd "$LINK" && npm link)
+        if [ -n "$LINK" ]; then
+          (cd "$LINK" && npm link)
+        fi
       done
     ;;
     "clear-cache" )

test/installation/io.js/install while reinstalling packages

@@ -16,8 +16,8 @@ nvm install iojs-v1.0.0
 
 node --version | grep v1.0.0 > /dev/null || die "nvm install didn't use iojs-v1.0.0"
 
-npm install -g is-nan@1.0.1 || die "npm install -g is-nan failed"
+npm install -g object-is@0.0.0 || die "npm install -g object-is failed"
-npm list --global | grep is-nan > /dev/null || die "is-nan isn't installed"
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
 
 nvm ls iojs-1 | grep iojs-v1.0.0 > /dev/null || die "nvm ls iojs-1 didn't show iojs-v1.0.0"
 
@@ -28,5 +28,5 @@ nvm install iojs-v1.0.1 --reinstall-packages-from=iojs-1.0.0 || die "nvm install
 nvm use iojs-1
 node --version | grep v1.0.1 > /dev/null || die "nvm use iojs-1 didn't use v1.0.1"
 
-npm list --global | grep is-nan > /dev/null || die "is-nan isn't installed"
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
 

test/installation/node/install while reinstalling packages

@@ -18,8 +18,8 @@ nvm use 0.9.7
 
 node --version | grep v0.9.7 > /dev/null || die "nvm use 0.9.7 failed"
 
-npm install -g is-nan@1.0.1 || die "npm install -g is-nan failed"
+npm install -g object-is@0.0.0 || die "npm install -g object-is failed"
-npm list --global | grep is-nan > /dev/null || die "is-nan isn't installed"
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
 
 nvm ls 0.9 | grep v0.9.7 > /dev/null || die "nvm ls 0.9 didn't show v0.9.7"
 
@@ -30,5 +30,5 @@ nvm install 0.9.12 --reinstall-packages-from=0.9 || die "nvm install 0.9.12 --re
 nvm use 0.9
 node --version | grep v0.9.12 > /dev/null || die "nvm ls 0.9 didn't use v0.9.12"
 
-npm list --global | grep is-nan > /dev/null || die "is-nan isn't installed"
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
 

test/slow/nvm reinstall-packages/should work as expected

@@ -4,12 +4,15 @@ die () { echo "$@" ; exit 1; }
 
 . ../../../nvm.sh
 
+nvm exec 0.10.28 npm install -g npm@~1.4.11 # this is required because before 1.4.10, npm ls doesn't indicated linked packages
+nvm exec 0.10.29 npm install -g npm@~1.4.11 # this is required because before 1.4.10, npm ls doesn't indicated linked packages
+
 nvm use 0.10.28
 (cd test-npmlink && npm link)
 
 EXPECTED_PACKAGES="autoprefixer bower david eslint grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js yo"
 
-echo "$EXPECTED_PACKAGES" | xargs npm install -g --quiet
+echo "$EXPECTED_PACKAGES" | sed -e 's/test-npmlink //' | xargs npm install -g --quiet
 
 get_packages() {
   npm list -g --depth=0 | \sed -e '1 d' -e 's/^.* \(.*\)@.*/\1/' -e '/^npm$/ d' | xargs