v0.29.0

Better than cb033adc6f

README.markdown

@@ -13,13 +13,13 @@ Note: `nvm` does not support [Fish] either (see [#303](https://github.com/creati
 
 ### Install script
 
-To install you could use the [install script][2] using cURL:
+To install or update nvm, you can use the [install script][2] using cURL:
 
-    curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.26.0/install.sh | bash
+    curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.29.0/install.sh | bash
 
 or Wget:
 
-    wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.26.0/install.sh | bash
+    wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.29.0/install.sh | bash
 
 <sub>The script clones the nvm repository to `~/.nvm` and adds the source line to your profile (`~/.bash_profile`, `~/.zshrc` or `~/.profile`).</sub>
 
@@ -236,7 +236,7 @@ After the v0.8.6 release of node, nvm tries to install from binary packages. But
     nvm install -s 0.8.6
 
 [1]: https://github.com/creationix/nvm.git
-[2]: https://github.com/creationix/nvm/blob/v0.26.0/install.sh
+[2]: https://github.com/creationix/nvm/blob/v0.29.0/install.sh
 [3]: https://travis-ci.org/creationix/nvm
 [Urchin]: https://github.com/scraperwiki/urchin
 [Fish]: http://fishshell.com

install.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
-set -e
-
 { # this ensures the entire script is downloaded #
 
 nvm_has() {
@@ -13,7 +11,7 @@ if [ -z "$NVM_DIR" ]; then
 fi
 
 nvm_latest_version() {
-  echo "v0.26.0"
+  echo "v0.29.0"
 }
 
 #
@@ -240,7 +238,7 @@ nvm_do_install() {
     printf "$SOURCE_STR"
     echo
   else
-    if ! grep -qc 'nvm.sh' "$NVM_PROFILE"; then
+    if ! command grep -qc '/nvm.sh' "$NVM_PROFILE"; then
       echo "=> Appending source string to $NVM_PROFILE"
       printf "$SOURCE_STR\n" >> "$NVM_PROFILE"
     else
@@ -250,8 +248,7 @@ nvm_do_install() {
 
   nvm_check_global_modules
 
-  . $NVM_DIR/nvm.sh
+  echo "=> Close and reopen your terminal to start using nvm"
-  echo "=> You can now start using nvm"
   nvm_reset
 }
 

nvm.sh

@@ -24,7 +24,7 @@ nvm_get_latest() {
   if nvm_has "curl"; then
     NVM_LATEST_URL="$(curl -q -w "%{url_effective}\n" -L -s -S http://latest.nvm.sh -o /dev/null)"
   elif nvm_has "wget"; then
-    NVM_LATEST_URL="$(wget http://latest.nvm.sh --server-response -O /dev/null 2>&1 | awk '/^  Location: /{DEST=$2} END{ print DEST }')"
+    NVM_LATEST_URL="$(wget http://latest.nvm.sh --server-response -O /dev/null 2>&1 | command awk '/^  Location: /{DEST=$2} END{ print DEST }')"
   else
     >&2 echo 'nvm needs curl or wget to proceed.'
     return 1
@@ -33,7 +33,7 @@ nvm_get_latest() {
     >&2 echo "http://latest.nvm.sh did not redirect to the latest release on Github"
     return 2
   else
-    echo "$NVM_LATEST_URL" | awk -F'/' '{print $NF}'
+    echo "$NVM_LATEST_URL" | command awk -F'/' '{print $NF}'
   fi
 }
 
@@ -78,7 +78,7 @@ if [ -z "$NVM_DIR" ]; then
   if [ -n "$BASH_SOURCE" ]; then
     NVM_SCRIPT_SOURCE="${BASH_SOURCE[0]}"
   fi
-  export NVM_DIR=$(cd $NVM_CD_FLAGS $(dirname "${NVM_SCRIPT_SOURCE:-$0}") > /dev/null && \pwd)
+  export NVM_DIR="$(cd $NVM_CD_FLAGS $(dirname "${NVM_SCRIPT_SOURCE:-$0}") > /dev/null && \pwd)"
 fi
 unset NVM_SCRIPT_SOURCE 2> /dev/null
 
@@ -210,7 +210,9 @@ nvm_ensure_version_installed() {
     if [ $? -eq 0 ]; then
       echo "N/A: version \"$PROVIDED_VERSION -> $VERSION\" is not yet installed" >&2
     else
-      echo "N/A: version \"$(nvm_ensure_version_prefix "$PROVIDED_VERSION")\" is not yet installed" >&2
+      local PREFIXED_VERSION
+      PREFIXED_VERSION="$(nvm_ensure_version_prefix "$PROVIDED_VERSION")"
+      echo "N/A: version \"${PREFIXED_VERSION:-$PROVIDED_VERSION}\" is not yet installed" >&2
     fi
     return 1
   fi
@@ -219,7 +221,7 @@ nvm_ensure_version_installed() {
 # Expand a version using the version cache
 nvm_version() {
   local PATTERN
-  PATTERN=$1
+  PATTERN="$1"
   local VERSION
   # The default version is the current one
   if [ -z "$PATTERN" ]; then
@@ -238,7 +240,7 @@ nvm_version() {
       PATTERN="stable"
     ;;
   esac
-  VERSION="$(nvm_ls "$PATTERN" | tail -n1)"
+  VERSION="$(nvm_ls "$PATTERN" | command tail -n1)"
   if [ -z "$VERSION" ] || [ "_$VERSION" = "_N/A" ]; then
     echo "N/A"
     return 3;
@@ -254,14 +256,14 @@ nvm_remote_version() {
   if nvm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
     case "_$PATTERN" in
       "_$(nvm_iojs_prefix)")
-        VERSION="$(nvm_ls_remote_iojs | tail -n1)"
+        VERSION="$(nvm_ls_remote_iojs | command tail -n1)"
       ;;
       *)
         VERSION="$(nvm_ls_remote "$PATTERN")"
       ;;
     esac
   else
-    VERSION="$(nvm_remote_versions "$PATTERN" | tail -n1)"
+    VERSION="$(nvm_remote_versions "$PATTERN" | command tail -n1)"
   fi
   echo "$VERSION"
   if [ "_$VERSION" = '_N/A' ]; then
@@ -396,7 +398,7 @@ nvm_alias() {
     return 2
   fi
 
-  cat "$NVM_ALIAS_PATH"
+  command cat "$NVM_ALIAS_PATH"
 }
 
 nvm_ls_current() {
@@ -441,7 +443,7 @@ nvm_resolve_alias() {
     fi
 
     if [ -n "$ALIAS_TEMP" ] \
-      && printf "$SEEN_ALIASES" | command grep -e "^$ALIAS_TEMP$" > /dev/null; then
+      && command printf "$SEEN_ALIASES" | command grep -e "^$ALIAS_TEMP$" > /dev/null; then
       ALIAS="∞"
       break
     fi
@@ -556,6 +558,9 @@ nvm_ls() {
       PATTERN=$(nvm_ensure_version_prefix $PATTERN)
     ;;
   esac
+  if [ "_$PATTERN" = "_N/A" ]; then
+    return
+  fi
   # If it looks like an explicit version, don't do anything funny
   local NVM_PATTERN_STARTS_WITH_V
   case $PATTERN in
@@ -587,39 +592,51 @@ nvm_ls() {
       setopt shwordsplit
     fi
 
-    local NVM_DIRS_TO_TEST_AND_SEARCH
+    local NVM_DIRS_TO_SEARCH1
-    local NVM_DIRS_TO_SEARCH
+    NVM_DIRS_TO_SEARCH1=''
+    local NVM_DIRS_TO_SEARCH2
+    NVM_DIRS_TO_SEARCH2=''
+    local NVM_DIRS_TO_SEARCH3
+    NVM_DIRS_TO_SEARCH3=''
     local NVM_ADD_SYSTEM
     NVM_ADD_SYSTEM=false
     if nvm_is_iojs_version "$PATTERN"; then
-      NVM_DIRS_TO_TEST_AND_SEARCH="$NVM_VERSION_DIR_IOJS"
+      NVM_DIRS_TO_SEARCH1="$NVM_VERSION_DIR_IOJS"
       PATTERN="$(nvm_strip_iojs_prefix "$PATTERN")"
       if nvm_has_system_iojs; then
         NVM_ADD_SYSTEM=true
       fi
     elif [ "_$PATTERN" = "_$NVM_NODE_PREFIX-" ]; then
-      NVM_DIRS_TO_TEST_AND_SEARCH="$NVM_VERSION_DIR_OLD $NVM_VERSION_DIR_NEW"
+      NVM_DIRS_TO_SEARCH1="$NVM_VERSION_DIR_OLD"
+      NVM_DIRS_TO_SEARCH2="$NVM_VERSION_DIR_NEW"
       PATTERN=''
       if nvm_has_system_node; then
         NVM_ADD_SYSTEM=true
       fi
     else
-      NVM_DIRS_TO_TEST_AND_SEARCH="$NVM_VERSION_DIR_OLD $NVM_VERSION_DIR_NEW $NVM_VERSION_DIR_IOJS"
+      NVM_DIRS_TO_SEARCH1="$NVM_VERSION_DIR_OLD"
+      NVM_DIRS_TO_SEARCH2="$NVM_VERSION_DIR_NEW"
+      NVM_DIRS_TO_SEARCH3="$NVM_VERSION_DIR_IOJS"
       if nvm_has_system_iojs || nvm_has_system_node; then
         NVM_ADD_SYSTEM=true
       fi
     fi
-    for NVM_VERSION_DIR in $NVM_DIRS_TO_TEST_AND_SEARCH; do
+
-      if [ -d "$NVM_VERSION_DIR" ]; then
+    if ! [ -d "$NVM_DIRS_TO_SEARCH1" ]; then
-        NVM_DIRS_TO_SEARCH="$NVM_VERSION_DIR $NVM_DIRS_TO_SEARCH"
+      NVM_DIRS_TO_SEARCH1=''
-      fi
+    fi
-    done
+    if ! [ -d "$NVM_DIRS_TO_SEARCH2" ]; then
+      NVM_DIRS_TO_SEARCH2="$NVM_DIRS_TO_SEARCH1"
+    fi
+    if ! [ -d "$NVM_DIRS_TO_SEARCH3" ]; then
+      NVM_DIRS_TO_SEARCH3="$NVM_DIRS_TO_SEARCH2"
+    fi
 
     if [ -z "$PATTERN" ]; then
       PATTERN='v'
     fi
-    if [ -n "$NVM_DIRS_TO_SEARCH" ]; then
+    if [ -n "$NVM_DIRS_TO_SEARCH1$NVM_DIRS_TO_SEARCH2$NVM_DIRS_TO_SEARCH3" ]; then
-      VERSIONS="$(command find $NVM_DIRS_TO_SEARCH -maxdepth 1 -type d -name "$PATTERN*" \
+      VERSIONS="$(command find "$NVM_DIRS_TO_SEARCH1" "$NVM_DIRS_TO_SEARCH2" "$NVM_DIRS_TO_SEARCH3" -maxdepth 1 -type d -name "$PATTERN*" \
         | command sed "
             s#$NVM_VERSION_DIR_IOJS/#$NVM_IOJS_PREFIX-#;
             \#$NVM_VERSION_DIR_IOJS# d;
@@ -630,7 +647,6 @@ nvm_ls() {
             s#^\($NVM_IOJS_PREFIX\)[-/]v#\1.v#;
             s#^\($NVM_NODE_PREFIX\)[-/]v#\1.v#" \
         | command sort -t. -u -k 2.2,2n -k 3,3n -k 4,4n \
-        | command sort -s -t- -k1.1,1.1 \
         | command sed "
             s/^\($NVM_IOJS_PREFIX\)\./\1-/;
             s/^$NVM_NODE_PREFIX\.//" \
@@ -665,7 +681,7 @@ nvm_ls_remote() {
   local GREP_OPTIONS
   GREP_OPTIONS=''
   if nvm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
-    PATTERN="$(nvm_ls_remote "$(nvm_print_implicit_alias remote "$PATTERN")" | tail -n1)"
+    PATTERN="$(nvm_ls_remote "$(nvm_print_implicit_alias remote "$PATTERN")" | command tail -n1)"
   elif [ -n "$PATTERN" ]; then
     PATTERN="$(nvm_ensure_version_prefix "$PATTERN")"
   else
@@ -674,7 +690,7 @@ nvm_ls_remote() {
   VERSIONS=`nvm_download -L -s $NVM_NODEJS_ORG_MIRROR/ -o - \
               | \egrep -o 'v[0-9]+\.[0-9]+\.[0-9]+' \
               | command grep -w "${PATTERN}" \
-              | sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n`
+              | command sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n`
   if [ -z "$VERSIONS" ]; then
     echo "N/A"
     return 3
@@ -757,7 +773,7 @@ nvm_print_versions() {
     else
       FORMAT='%15s'
     fi
-    printf "$FORMAT\n" $VERSION
+    command printf "$FORMAT\n" $VERSION
   done
 }
 
@@ -814,15 +830,22 @@ nvm_print_implicit_alias() {
       fi
 
       local NVM_IOJS_VERSION
-      NVM_IOJS_VERSION="$($NVM_COMMAND | sed "s/^"$NVM_IMPLICIT"-//" | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq | tail -1)"
       local EXIT_CODE
+      NVM_IOJS_VERSION="$($NVM_COMMAND)"
       EXIT_CODE="$?"
+      if [ "_$EXIT_CODE" = "_0" ]; then
+        NVM_IOJS_VERSION="$(echo "$NVM_IOJS_VERSION" | sed "s/^"$NVM_IMPLICIT"-//" | command grep -e '^v' | command cut -c2- | command cut -d . -f 1,2 | uniq | command tail -1)"
+      fi
 
       if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
         unsetopt shwordsplit
       fi
 
-      echo "$($NVM_ADD_PREFIX_COMMAND "$NVM_IOJS_VERSION")"
+      if [ "_$NVM_IOJS_VERSION" = "_N/A" ]; then
+        echo "N/A"
+      else
+        echo "$($NVM_ADD_PREFIX_COMMAND "$NVM_IOJS_VERSION")"
+      fi
       return $EXIT_CODE
     ;;
     "$NVM_NODE_PREFIX")
@@ -841,7 +864,7 @@ nvm_print_implicit_alias() {
         setopt shwordsplit
       fi
 
-      LAST_TWO=$($NVM_COMMAND | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq)
+      LAST_TWO=$($NVM_COMMAND | command grep -e '^v' | command cut -c2- | command cut -d . -f 1,2 | uniq)
 
       if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
         unsetopt shwordsplit
@@ -852,6 +875,7 @@ nvm_print_implicit_alias() {
   local STABLE
   local UNSTABLE
   local MOD
+  local NORMALIZED_VERSION
 
   ZHS_HAS_SHWORDSPLIT_UNSET=1
   if nvm_has "setopt"; then
@@ -859,11 +883,16 @@ nvm_print_implicit_alias() {
     setopt shwordsplit
   fi
   for MINOR in $LAST_TWO; do
-    MOD=$(expr "$(nvm_normalize_version "$MINOR")" \/ 1000000 \% 2)
+    NORMALIZED_VERSION="$(nvm_normalize_version "$MINOR")"
-    if [ $MOD -eq 0 ]; then
+    if [ "_0${NORMALIZED_VERSION#?}" != "_$NORMALIZED_VERSION" ]; then
       STABLE="$MINOR"
-    elif [ $MOD -eq 1 ]; then
+    else
-      UNSTABLE="$MINOR"
+      MOD=$(expr "$NORMALIZED_VERSION" \/ 1000000 \% 2)
+      if [ $MOD -eq 0 ]; then
+        STABLE="$MINOR"
+      elif [ $MOD -eq 1 ]; then
+        UNSTABLE="$MINOR"
+      fi
     fi
   done
   if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
@@ -891,13 +920,30 @@ nvm_get_os() {
 }
 
 nvm_get_arch() {
-  local NVM_UNAME
+  local HOST_ARCH
-  NVM_UNAME="$(uname -m)"
+  local NVM_OS
+  local EXIT_CODE
+
+  NVM_OS="$(nvm_get_os)"
+  # If the OS is SunOS, first try to use pkgsrc to guess
+  # the most appropriate arch. If it's not available, use
+  # isainfo to get the instruction set supported by the
+  # kernel.
+  if [ "_$NVM_OS" = "_sunos" ]; then
+    HOST_ARCH=$(pkg_info -Q MACHINE_ARCH pkg_install)
+    EXIT_CODE=$?
+    if [ $EXIT_CODE -ne 0 ]; then
+      HOST_ARCH=$(isainfo -n)
+    fi
+  else
+     HOST_ARCH="$(uname -m)"
+  fi
+
   local NVM_ARCH
-  case "$NVM_UNAME" in
+  case "$HOST_ARCH" in
-    x86_64) NVM_ARCH="x64" ;;
+    x86_64 | amd64) NVM_ARCH="x64" ;;
     i*86) NVM_ARCH="x86" ;;
-    *) NVM_ARCH="$NVM_UNAME" ;;
+    *) NVM_ARCH="$HOST_ARCH" ;;
   esac
   echo "$NVM_ARCH"
 }
@@ -921,6 +967,84 @@ nvm_ensure_default_set() {
   return $EXIT_CODE
 }
 
+nvm_is_merged_node_version() {
+   nvm_version_greater_than_or_equal_to "$1" v4.0.0
+}
+
+nvm_install_merged_node_binary() {
+  local NVM_NODE_TYPE
+  NVM_NODE_TYPE="$1"
+  local MIRROR
+  if [ "_$NVM_NODE_TYPE" = "_std" ]; then
+    MIRROR="$NVM_NODEJS_ORG_MIRROR"
+  else
+    echo "unknown type of node.js release" >&2
+    return 4
+  fi
+  local VERSION
+  VERSION="$2"
+  local REINSTALL_PACKAGES_FROM
+  REINSTALL_PACKAGES_FROM="$3"
+
+  if ! nvm_is_merged_node_version "$VERSION" || nvm_is_iojs_version "$VERSION"; then
+    echo 'nvm_install_merged_node_binary requires a node version v4.0 or greater.' >&2
+    return 10
+  fi
+
+  local VERSION_PATH
+  VERSION_PATH="$(nvm_version_path "$VERSION")"
+  local NVM_OS
+  NVM_OS="$(nvm_get_os)"
+  local t
+  local url
+  local sum
+  local NODE_PREFIX
+  local compression
+  compression="gz"
+  local tar_compression_flag
+  tar_compression_flag="x"
+  if nvm_supports_xz "$VERSION"; then
+    compression="xz"
+    tar_compression_flag="J"
+  fi
+  NODE_PREFIX="$(nvm_node_prefix)"
+
+  if [ -n "$NVM_OS" ]; then
+    t="$VERSION-$NVM_OS-$(nvm_get_arch)"
+    url="$MIRROR/$VERSION/$NODE_PREFIX-${t}.tar.${compression}"
+    sum="$(nvm_download -L -s $MIRROR/$VERSION/SHASUMS256.txt -o - | command grep $NODE_PREFIX-${t}.tar.${compression} | command awk '{print $1}')"
+    local tmpdir
+    tmpdir="$NVM_DIR/bin/node-${t}"
+    local tmptarball
+    tmptarball="$tmpdir/node-${t}.tar.${compression}"
+    local NVM_INSTALL_ERRORED
+    command mkdir -p "$tmpdir" && \
+      echo "Downloading $url..." && \
+      nvm_download -L -C - --progress-bar $url -o "$tmptarball" || \
+      NVM_INSTALL_ERRORED=true
+    if grep '404 Not Found' "$tmptarball" >/dev/null; then
+      NVM_INSTALL_ERRORED=true
+      echo >&2 "HTTP 404 at URL $url";
+    fi
+    if (
+      [ "$NVM_INSTALL_ERRORED" != true ] && \
+      echo "WARNING: checksums are currently disabled for node.js v4.0 and later" >&2 && \
+      # nvm_checksum "$tmptarball" $sum && \
+      command tar -x${tar_compression_flag}f "$tmptarball" -C "$tmpdir" --strip-components 1 && \
+      command rm -f "$tmptarball" && \
+      command mkdir -p "$VERSION_PATH" && \
+      command mv "$tmpdir"/* "$VERSION_PATH"
+    ); then
+      return 0
+    else
+      echo >&2 "Binary download failed, trying source." >&2
+      command rm -rf "$tmptarball" "$tmpdir"
+      return 1
+    fi
+  fi
+  return 2
+}
+
 nvm_install_iojs_binary() {
   local NVM_IOJS_TYPE
   NVM_IOJS_TYPE="$1"
@@ -950,18 +1074,27 @@ nvm_install_iojs_binary() {
   local t
   local url
   local sum
+  local compression
+  compression="gz"
+  local tar_compression_flag
+  tar_compression_flag="x"
+  if nvm_supports_xz "$VERSION"; then
+    compression="xz"
+    tar_compression_flag="J"
+  fi
 
   if [ -n "$NVM_OS" ]; then
     if nvm_binary_available "$VERSION"; then
       t="$VERSION-$NVM_OS-$(nvm_get_arch)"
-      url="$MIRROR/$VERSION/$(nvm_iojs_prefix)-${t}.tar.gz"
+      url="$MIRROR/$VERSION/$(nvm_iojs_prefix)-${t}.tar.${compression}"
-      sum="$(nvm_download -L -s $MIRROR/$VERSION/SHASUMS256.txt -o - | command grep $(nvm_iojs_prefix)-${t}.tar.gz | command awk '{print $1}')"
+      sum="$(nvm_download -L -s $MIRROR/$VERSION/SHASUMS256.txt -o - | command grep $(nvm_iojs_prefix)-${t}.tar.${compression} | command awk '{print $1}')"
       local tmpdir
       tmpdir="$NVM_DIR/bin/iojs-${t}"
       local tmptarball
-      tmptarball="$tmpdir/iojs-${t}.tar.gz"
+      tmptarball="$tmpdir/iojs-${t}.tar.${compression}"
       local NVM_INSTALL_ERRORED
       command mkdir -p "$tmpdir" && \
+        echo "Downloading $url..." && \
         nvm_download -L -C - --progress-bar $url -o "$tmptarball" || \
         NVM_INSTALL_ERRORED=true
       if grep '404 Not Found' "$tmptarball" >/dev/null; then
@@ -972,7 +1105,7 @@ nvm_install_iojs_binary() {
         [ "$NVM_INSTALL_ERRORED" != true ] && \
         echo "WARNING: checksums are currently disabled for io.js" >&2 && \
         # nvm_checksum "$tmptarball" $sum && \
-        command tar -xzf "$tmptarball" -C "$tmpdir" --strip-components 1 && \
+        command tar -x${tar_compression_flag}f "$tmptarball" -C "$tmpdir" --strip-components 1 && \
         command rm -f "$tmptarball" && \
         command mkdir -p "$VERSION_PATH" && \
         command mv "$tmpdir"/* "$VERSION_PATH"
@@ -1094,6 +1227,7 @@ nvm_install_node_source() {
   if (
     [ -n "$tarball" ] && \
     command mkdir -p "$tmpdir" && \
+    echo "Downloading $tarball..." && \
     nvm_download -L --progress-bar $tarball -o "$tmptarball" && \
     nvm_checksum "$tmptarball" $sum && \
     command tar -xzf "$tmptarball" -C "$tmpdir" && \
@@ -1163,6 +1297,116 @@ nvm_npm_global_modules() {
   echo "$INSTALLS //// $LINKS"
 }
 
+nvm_die_on_prefix() {
+  local NVM_DELETE_PREFIX
+  NVM_DELETE_PREFIX="$1"
+  case "$NVM_DELETE_PREFIX" in
+    0|1) ;;
+    *)
+      echo >&2 'First argument "delete the prefix" must be zero or one'
+      return 1
+    ;;
+  esac
+  local NVM_COMMAND
+  NVM_COMMAND="$2"
+  if [ -z "$NVM_COMMAND" ]; then
+    echo >&2 'Second argument "nvm command" must be nonempty'
+    return 2
+  fi
+
+  if [ -n "$PREFIX" ] && ! (nvm_tree_contains_path "$NVM_DIR" "$PREFIX" >/dev/null 2>&1); then
+    nvm deactivate >/dev/null 2>&1
+    echo >&2 "nvm is not compatible with the \"PREFIX\" environment variable: currently set to \"$PREFIX\""
+    echo >&2 "Run \`unset PREFIX\` to unset it."
+    return 3
+  fi
+
+  if [ -n "$NPM_CONFIG_PREFIX" ] && ! (nvm_tree_contains_path "$NVM_DIR" "$NPM_CONFIG_PREFIX" >/dev/null 2>&1); then
+    nvm deactivate >/dev/null 2>&1
+    echo >&2 "nvm is not compatible with the \"NPM_CONFIG_PREFIX\" environment variable: currently set to \"$NPM_CONFIG_PREFIX\""
+    echo >&2 "Run \`unset NPM_CONFIG_PREFIX\` to unset it."
+    return 4
+  fi
+
+  if ! nvm_has 'npm'; then
+    return
+  fi
+
+  local NVM_NPM_PREFIX
+  NVM_NPM_PREFIX="$(npm config get prefix)"
+  if ! (nvm_tree_contains_path "$NVM_DIR" "$NVM_NPM_PREFIX" >/dev/null 2>&1); then
+    if [ "_$NVM_DELETE_PREFIX" = "_1" ]; then
+      npm config delete prefix
+    else
+      nvm deactivate >/dev/null 2>&1
+      echo >&2 "nvm is not compatible with the npm config \"prefix\" option: currently set to \"$NVM_NPM_PREFIX\""
+      if nvm_has 'npm'; then
+        echo >&2 "Run \`npm config delete prefix\` or \`$NVM_COMMAND\` to unset it."
+      else
+        echo >&2 "Run \`$NVM_COMMAND\` to unset it."
+      fi
+      return 10
+    fi
+  fi
+}
+
+# Succeeds if $IOJS_VERSION represents an io.js version that has a
+# Solaris binary, fails otherwise.
+# Currently, only io.js 3.3.1 has a Solaris binary available, and it's the
+# latest io.js version available. The expectation is that any potential io.js
+# version later than v3.3.1 will also have Solaris binaries.
+iojs_version_has_solaris_binary() {
+  local IOJS_VERSION=$1
+  local STRIPPED_IOJS_VERSION="$(nvm_strip_iojs_prefix $IOJS_VERSION)"
+  if [ "_$STRIPPED_IOJS_VERSION" = "$IOJS_VERSION" ]; then
+    return 1
+  fi
+
+  # io.js started shipping Solaris binaries with io.js v3.3.1
+  nvm_version_greater_than_or_equal_to "$STRIPPED_IOJS_VERSION" v3.3.1
+}
+
+# Succeeds if $NODE_VERSION represents a node version that has a
+# Solaris binary, fails otherwise.
+# Currently, node versions starting from v0.8.6 have a Solaris binary
+# avaliable.
+node_version_has_solaris_binary() {
+  local NODE_VERSION=$1
+  # Error out if $NODE_VERSION is actually an io.js version
+  local STRIPPED_IOJS_VERSION="$(nvm_strip_iojs_prefix $NODE_VERSION)"
+  if [ "_$STRIPPED_IOJS_VERSION" != "_$NODE_VERSION" ]; then
+    return 1
+  fi
+
+  # node (unmerged) started shipping Solaris binaries with v0.8.6 and
+  # node versions v1.0.0 or greater are not considered valid "unmerged" node
+  # versions.
+  nvm_version_greater_than_or_equal_to "$NODE_VERSION" v0.8.6 &&
+  ! nvm_version_greater_than_or_equal_to "$NODE_VERSION" v1.0.0
+}
+
+# Succeeds if $VERSION represents a version (node, io.js or merged) that has a
+# Solaris binary, fails otherwise.
+nvm_has_solaris_binary() {
+  local VERSION=$1
+  if nvm_is_merged_node_version "$VERSION"; then
+    return 0 # All merged node versions have a Solaris binary
+  elif nvm_is_iojs_version "$VERSION"; then
+    iojs_version_has_solaris_binary "$VERSION"
+  else
+    node_version_has_solaris_binary "$VERSION"
+  fi
+}
+
+nvm_sanitize_path() {
+  local SANITIZED_PATH
+  SANITIZED_PATH="$1"
+  if [ "_$1" != "_$NVM_DIR" ]; then
+    SANITIZED_PATH="$(echo "$SANITIZED_PATH" | command sed "s#$NVM_DIR#\$NVM_DIR#g")"
+  fi
+  echo "$SANITIZED_PATH" | command sed "s#$HOME#\$HOME#g"
+}
+
 nvm() {
   if [ $# -lt 1 ]; then
     nvm help
@@ -1192,26 +1436,27 @@ nvm() {
       echo '  - custom aliases you define with `nvm alias foo`'
       echo
       echo 'Usage:'
-      echo '  nvm help                              Show this message'
+      echo '  nvm help                                  Show this message'
-      echo '  nvm --version                         Print out the latest released version of nvm'
+      echo '  nvm --version                             Print out the latest released version of nvm'
-      echo '  nvm install [-s] <version>            Download and install a <version>, [-s] from source. Uses .nvmrc if available'
+      echo '  nvm install [-s] <version>                Download and install a <version>, [-s] from source. Uses .nvmrc if available'
-      echo '    --reinstall-packages-from=<version> When installing, reinstall packages installed in <node|iojs|node version number>'
+      echo '    --reinstall-packages-from=<version>     When installing, reinstall packages installed in <node|iojs|node version number>'
-      echo '  nvm uninstall <version>               Uninstall a version'
+      echo '  nvm uninstall <version>                   Uninstall a version'
-      echo '  nvm use [--silent] <version>          Modify PATH to use <version>. Uses .nvmrc if available'
+      echo '  nvm use [--silent] <version>              Modify PATH to use <version>. Uses .nvmrc if available'
-      echo '  nvm run <version> [<args>]            Run <version> with <args> as arguments. Uses .nvmrc if available for <version>'
+      echo '  nvm exec [--silent] <version> [<command>] Run <command> on <version>. Uses .nvmrc if available'
-      echo '  nvm current                           Display currently activated version'
+      echo '  nvm run [--silent] <version> [<args>]     Run `node` on <version> with <args> as arguments. Uses .nvmrc if available'
-      echo '  nvm ls                                List installed versions'
+      echo '  nvm current                               Display currently activated version'
-      echo '  nvm ls <version>                      List versions matching a given description'
+      echo '  nvm ls                                    List installed versions'
-      echo '  nvm ls-remote                         List remote versions available for install'
+      echo '  nvm ls <version>                          List versions matching a given description'
-      echo '  nvm version <version>                 Resolve the given description to a single local version'
+      echo '  nvm ls-remote                             List remote versions available for install'
-      echo '  nvm version-remote <version>          Resolve the given description to a single remote version'
+      echo '  nvm version <version>                     Resolve the given description to a single local version'
-      echo '  nvm deactivate                        Undo effects of `nvm` on current shell'
+      echo '  nvm version-remote <version>              Resolve the given description to a single remote version'
-      echo '  nvm alias [<pattern>]                 Show all aliases beginning with <pattern>'
+      echo '  nvm deactivate                            Undo effects of `nvm` on current shell'
-      echo '  nvm alias <name> <version>            Set an alias named <name> pointing to <version>'
+      echo '  nvm alias [<pattern>]                     Show all aliases beginning with <pattern>'
-      echo '  nvm unalias <name>                    Deletes the alias named <name>'
+      echo '  nvm alias <name> <version>                Set an alias named <name> pointing to <version>'
-      echo '  nvm reinstall-packages <version>      Reinstall global `npm` packages contained in <version> to current version'
+      echo '  nvm unalias <name>                        Deletes the alias named <name>'
-      echo '  nvm unload                            Unload `nvm` from shell'
+      echo '  nvm reinstall-packages <version>          Reinstall global `npm` packages contained in <version> to current version'
-      echo '  nvm which [<version>]                 Display path to installed node version. Uses .nvmrc if available'
+      echo '  nvm unload                                Unload `nvm` from shell'
+      echo '  nvm which [<version>]                     Display path to installed node version. Uses .nvmrc if available'
       echo
       echo 'Example:'
       echo '  nvm install v0.10.32                  Install a specific version number'
@@ -1232,12 +1477,14 @@ nvm() {
         setopt shwordsplit
       fi
       echo >&2 "\$SHELL: $SHELL"
-      echo >&2 "\$NVM_DIR: $(echo $NVM_DIR | sed "s#$HOME#\$HOME#g")"
+      echo >&2 "\$NVM_DIR: '$(nvm_sanitize_path "$NVM_DIR")'"
+      echo >&2 "\$PREFIX: '$(nvm_sanitize_path "$PREFIX")'"
+      echo >&2 "\$NPM_CONFIG_PREFIX: '$(nvm_sanitize_path "$NPM_CONFIG_PREFIX")'"
       local NVM_DEBUG_OUTPUT
       for NVM_DEBUG_COMMAND in 'nvm current' 'which node' 'which iojs' 'which npm' 'npm config get prefix' 'npm root -g'
       do
-        NVM_DEBUG_OUTPUT="$($NVM_DEBUG_COMMAND 2>&1 | sed "s#$NVM_DIR#\$NVM_DIR#g")"
+        NVM_DEBUG_OUTPUT="$($NVM_DEBUG_COMMAND 2>&1)"
-        echo >&2 "$NVM_DEBUG_COMMAND: $NVM_DEBUG_OUTPUT"
+        echo >&2 "$NVM_DEBUG_COMMAND: $(nvm_sanitize_path "$NVM_DEBUG_OUTPUT")"
       done
       if [ "_$ZHS_HAS_SHWORDSPLIT_UNSET" = "_1" ] && nvm_has "unsetopt"; then
         unsetopt shwordsplit
@@ -1323,9 +1570,12 @@ nvm() {
         return 5
       fi
 
+      local NVM_NODE_MERGED
       local NVM_IOJS
       if nvm_is_iojs_version "$VERSION"; then
         NVM_IOJS=true
+      elif nvm_is_merged_node_version "$VERSION"; then
+        NVM_NODE_MERGED=true
       fi
 
       local VERSION_PATH
@@ -1341,26 +1591,36 @@ nvm() {
       if [ "_$NVM_OS" = "_freebsd" ]; then
         # node.js and io.js do not have a FreeBSD binary
         nobinary=1
-      elif [ "_$NVM_OS" = "_sunos" ] && [ "$NVM_IOJS" = true ]; then
+      elif [ "_$NVM_OS" = "_sunos" ]; then
-        # io.js does not have a SunOS binary
+        # Not all node/io.js versions have a Solaris binary
-        nobinary=1
+          if ! nvm_has_solaris_binary "$VERSION"; then
+            nobinary=1
+        fi
       fi
       local NVM_INSTALL_SUCCESS
       # skip binary install if "nobinary" option specified.
       if [ $nobinary -ne 1 ] && nvm_binary_available "$VERSION"; then
         if [ "$NVM_IOJS" = true ] && nvm_install_iojs_binary std "$VERSION" "$REINSTALL_PACKAGES_FROM"; then
           NVM_INSTALL_SUCCESS=true
+        elif [ "$NVM_NODE_MERGED" = true ] && nvm_install_merged_node_binary std "$VERSION" "$REINSTALL_PACKAGES_FROM"; then
+          NVM_INSTALL_SUCCESS=true
         elif [ "$NVM_IOJS" != true ] && nvm_install_node_binary "$VERSION" "$REINSTALL_PACKAGES_FROM"; then
           NVM_INSTALL_SUCCESS=true
         fi
       fi
       if [ "$NVM_INSTALL_SUCCESS" != true ]; then
-        if [ "$NVM_IOJS" = true ]; then
+        if [ "$NVM_IOJS" != true ] &&  [ "$NVM_NODE_MERGED" != true ]; then
+          if nvm_install_node_source "$VERSION" "$ADDITIONAL_PARAMETERS"; then
+            NVM_INSTALL_SUCCESS=true
+          fi
+        elif [ "$NVM_IOJS" = true ]; then
           # nvm_install_iojs_source "$VERSION" "$ADDITIONAL_PARAMETERS"
           echo "Installing iojs from source is not currently supported" >&2
           return 105
-        elif nvm_install_node_source "$VERSION" "$ADDITIONAL_PARAMETERS"; then
+        elif [ "$NVM_NODE_MERGED" = true ]; then
-          NVM_INSTALL_SUCCESS=true
+         # nvm_install_merged_node_source "$VERSION" "$ADDITIONAL_PARAMETERS"
+         echo "Installing node v1.0 and greater from source is not currently supported" >&2
+         return 106
         fi
       fi
 
@@ -1418,9 +1678,9 @@ nvm() {
       fi
       # Delete all files related to target version.
       command rm -rf "$NVM_DIR/src/$NVM_PREFIX-$VERSION" \
-             "$NVM_DIR/src/$NVM_PREFIX-$VERSION.tar.gz" \
+             "$NVM_DIR/src/$NVM_PREFIX-$VERSION.tar.*" \
              "$NVM_DIR/bin/$NVM_PREFIX-${t}" \
-             "$NVM_DIR/bin/$NVM_PREFIX-${t}.tar.gz" \
+             "$NVM_DIR/bin/$NVM_PREFIX-${t}.tar.*" \
              "$VERSION_PATH" 2>/dev/null
       echo "$NVM_SUCCESS_MSG"
 
@@ -1459,19 +1719,31 @@ nvm() {
       local PROVIDED_VERSION
       local NVM_USE_SILENT
       NVM_USE_SILENT=0
-      if [ "$2" = '--silent' ]; then
+      local NVM_DELETE_PREFIX
-        NVM_USE_SILENT=1
+      NVM_DELETE_PREFIX=0
-        shift
-      fi
 
-      if [ $# -eq 1 ]; then
+      shift # remove "use"
+      while [ $# -ne 0 ]
+      do
+        case "$1" in
+          --silent) NVM_USE_SILENT=1 ;;
+          --delete-prefix) NVM_DELETE_PREFIX=1 ;;
+          *)
+            if [ -n "$1" ]; then
+              PROVIDED_VERSION="$1"
+            fi
+          ;;
+        esac
+        shift
+      done
+
+      if [ -z "$PROVIDED_VERSION" ]; then
         nvm_rc_version
         if [ -n "$NVM_RC_VERSION" ]; then
           PROVIDED_VERSION="$NVM_RC_VERSION"
           VERSION="$(nvm_version "$PROVIDED_VERSION")"
         fi
       else
-        PROVIDED_VERSION="$2"
         VERSION="$(nvm_match_version "$PROVIDED_VERSION")"
       fi
 
@@ -1536,15 +1808,32 @@ nvm() {
       if [ "$NVM_SYMLINK_CURRENT" = true ]; then
         command rm -f "$NVM_DIR/current" && ln -s "$NVM_VERSION_DIR" "$NVM_DIR/current"
       fi
+      local NVM_USE_OUTPUT
       if nvm_is_iojs_version "$VERSION"; then
         if [ $NVM_USE_SILENT -ne 1 ]; then
-          echo "Now using io.js $(nvm_strip_iojs_prefix "$VERSION")$(nvm_print_npm_version)"
+          NVM_USE_OUTPUT="Now using io.js $(nvm_strip_iojs_prefix "$VERSION")$(nvm_print_npm_version)"
         fi
       else
         if [ $NVM_USE_SILENT -ne 1 ]; then
-          echo "Now using node $VERSION$(nvm_print_npm_version)"
+          NVM_USE_OUTPUT="Now using node $VERSION$(nvm_print_npm_version)"
         fi
       fi
+      if [ "_$VERSION" != "_system" ]; then
+        local NVM_USE_CMD
+        NVM_USE_CMD="nvm use --delete-prefix"
+        if [ -n "$PROVIDED_VERSION" ]; then
+          NVM_USE_CMD="$NVM_USE_CMD $VERSION"
+        fi
+        if [ $NVM_USE_SILENT -eq 1 ]; then
+          NVM_USE_CMD="$NVM_USE_CMD --silent"
+        fi
+        if ! nvm_die_on_prefix "$NVM_DELETE_PREFIX" "$NVM_USE_CMD"; then
+          return 11
+        fi
+      fi
+      if [ -n "$NVM_USE_OUTPUT" ]; then
+        echo "$NVM_USE_OUTPUT"
+      fi
     ;;
     "run" )
       local provided_version
@@ -1552,6 +1841,14 @@ nvm() {
       has_checked_nvmrc=0
       # run given version of node
       shift
+
+      local NVM_SILENT
+      NVM_SILENT=0
+      if [ "_$1" = "_--silent" ]; then
+        NVM_SILENT=1
+        shift
+      fi
+
       if [ $# -lt 1 ]; then
         nvm_rc_version && has_checked_nvmrc=1
         if [ -n "$NVM_RC_VERSION" ]; then
@@ -1565,7 +1862,7 @@ nvm() {
         fi
       fi
 
-      provided_version=$1
+      provided_version="$1"
       if [ -n "$provided_version" ]; then
         VERSION="$(nvm_version "$provided_version")"
         if [ "_$VERSION" = "_N/A" ] && ! nvm_is_valid_version "$provided_version"; then
@@ -1596,8 +1893,8 @@ nvm() {
         setopt shwordsplit
       fi
       if [ "_$VERSION" = "_N/A" ]; then
-        echo "$(nvm_ensure_version_prefix "$provided_version") is not installed yet" >&2
+        nvm_ensure_version_installed "$provided_version"
-        EXIT_CODE=1
+        EXIT_CODE=$?
       elif [ -z "$ARGS" ]; then
         if [ "$NVM_IOJS" = true ]; then
           nvm exec "$VERSION" iojs
@@ -1606,11 +1903,11 @@ nvm() {
         fi
         EXIT_CODE="$?"
       elif [ "$NVM_IOJS" = true ]; then
-        echo "Running io.js $(nvm_strip_iojs_prefix "$VERSION")"
+        [ $NVM_SILENT -eq 1 ] || echo "Running io.js $(nvm_strip_iojs_prefix "$VERSION")$(nvm_print_npm_version)"
         OUTPUT="$(nvm use "$VERSION" >/dev/null && iojs $ARGS)"
         EXIT_CODE="$?"
       else
-        echo "Running node $VERSION"
+        [ $NVM_SILENT -eq 1 ] || echo "Running node $VERSION$(nvm_print_npm_version)"
         OUTPUT="$(nvm use "$VERSION" >/dev/null && node $ARGS)"
         EXIT_CODE="$?"
       fi
@@ -1625,11 +1922,18 @@ nvm() {
     "exec" )
       shift
 
+      local NVM_SILENT
+      NVM_SILENT=0
+      if [ "_$1" = "_--silent" ]; then
+        NVM_SILENT=1
+        shift
+      fi
+
       local provided_version
       provided_version="$1"
       if [ -n "$provided_version" ]; then
         VERSION="$(nvm_version "$provided_version")"
-        if [ "_$VERSION" = "_N/A" ]; then
+        if [ "_$VERSION" = "_N/A" ] && ! nvm_is_valid_version "$provided_version"; then
           nvm_rc_version
           provided_version="$NVM_RC_VERSION"
           VERSION="$(nvm_version "$provided_version")"
@@ -1644,7 +1948,7 @@ nvm() {
         return $EXIT_CODE
       fi
 
-      echo "Running node $VERSION"
+      [ $NVM_SILENT -eq 1 ] || echo "Running node $VERSION$(nvm_print_npm_version)"
       NODE_VERSION="$VERSION" $NVM_DIR/nvm-exec "$@"
     ;;
     "ls" | "list" )
@@ -1675,10 +1979,16 @@ nvm() {
 
       local NVM_LS_REMOTE_EXIT_CODE
       NVM_LS_REMOTE_EXIT_CODE=0
-      local NVM_LS_REMOTE_OUTPUT
+      local NVM_LS_REMOTE_PRE_MERGED_OUTPUT
-      NVM_LS_REMOTE_OUTPUT=''
+      NVM_LS_REMOTE_PRE_MERGED_OUTPUT=''
+      local NVM_LS_REMOTE_POST_MERGED_OUTPUT
+      NVM_LS_REMOTE_POST_MERGED_OUTPUT=''
       if [ "_$NVM_FLAVOR" != "_$NVM_IOJS_PREFIX" ]; then
+        local NVM_LS_REMOTE_OUTPUT
         NVM_LS_REMOTE_OUTPUT=$(nvm_ls_remote "$PATTERN")
+        # split output into two
+        NVM_LS_REMOTE_PRE_MERGED_OUTPUT="${NVM_LS_REMOTE_OUTPUT%%v4\.0\.0*}"
+        NVM_LS_REMOTE_POST_MERGED_OUTPUT="${NVM_LS_REMOTE_OUTPUT#$NVM_LS_REMOTE_PRE_MERGED_OUTPUT}"
         NVM_LS_REMOTE_EXIT_CODE=$?
       fi
 
@@ -1692,8 +2002,9 @@ nvm() {
       fi
 
       local NVM_OUTPUT
-      NVM_OUTPUT="$(echo "$NVM_LS_REMOTE_OUTPUT
+      NVM_OUTPUT="$(echo "$NVM_LS_REMOTE_PRE_MERGED_OUTPUT
-$NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
+$NVM_LS_REMOTE_IOJS_OUTPUT
+$NVM_LS_REMOTE_POST_MERGED_OUTPUT" | command grep -v "N/A" | command sed '/^$/d')"
       if [ -n "$NVM_OUTPUT" ]; then
         nvm_print_versions "$NVM_OUTPUT"
         return $NVM_LS_REMOTE_EXIT_CODE || $NVM_LS_REMOTE_IOJS_EXIT_CODE
@@ -1777,7 +2088,11 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
               DEST="$(nvm_print_implicit_alias local "$ALIAS")"
               if [ "_$DEST" != "_" ]; then
                 VERSION="$(nvm_version "$DEST")"
-                echo "$ALIAS -> $DEST (-> $VERSION) (default)"
+                if [ "_$DEST" = "_$VERSION" ]; then
+                  echo "$ALIAS -> $DEST (default)"
+                else
+                  echo "$ALIAS -> $DEST (-> $VERSION) (default)"
+                fi
               fi
             fi
           fi
@@ -1869,7 +2184,7 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
       nvm_remote_version "$2"
     ;;
     "--version" )
-      echo "0.26.0"
+      echo "0.29.0"
     ;;
     "unload" )
       unset -f nvm nvm_print_versions nvm_checksum \
@@ -1894,7 +2209,7 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
         nvm_print_npm_version nvm_npm_global_modules \
         nvm_has_system_node nvm_has_system_iojs \
         nvm_download nvm_get_latest nvm_has nvm_get_latest \
-        nvm_supports_source_options > /dev/null 2>&1
+        nvm_supports_source_options nvm_supports_xz > /dev/null 2>&1
       unset RC_VERSION NVM_NODEJS_ORG_MIRROR NVM_DIR NVM_CD_FLAGS > /dev/null 2>&1
     ;;
     * )
@@ -1908,15 +2223,20 @@ nvm_supports_source_options() {
   [ "_$(echo 'echo $1' | . /dev/stdin yes 2> /dev/null)" = "_yes" ]
 }
 
-VERSION="$(nvm_alias default 2>/dev/null || echo)"
+nvm_supports_xz() {
+  command which xz 2>&1 >/dev/null && \
+    nvm_version_greater_than_or_equal_to "$1" "2.3.2" 
+}
+
+NVM_VERSION="$(nvm_alias default 2>/dev/null || echo)"
 if nvm_supports_source_options && [ "_$1" = "_--install" ]; then
-  if [ -n "$VERSION" ]; then
+  if [ -n "$NVM_VERSION" ]; then
-    nvm install "$VERSION" >/dev/null
+    nvm install "$NVM_VERSION" >/dev/null
   elif nvm_rc_version >/dev/null 2>&1; then
     nvm install >/dev/null
   fi
-elif [ -n "$VERSION" ]; then
+elif [ -n "$NVM_VERSION" ]; then
-  nvm use --silent "$VERSION" >/dev/null
+  nvm use --silent "$NVM_VERSION" >/dev/null
 elif nvm_rc_version >/dev/null 2>&1; then
   nvm use --silent >/dev/null
 fi

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nvm",
-  "version": "0.26.0",
+  "version": "0.29.0",
   "description": "Node Version Manager - Simple bash script to manage multiple active node.js versions",
   "directories": {
     "test": "test"

test/common.sh

@@ -0,0 +1,13 @@
+assert_ok() {
+  local FUNCTION=$1
+  shift
+
+  $($FUNCTION $@) || die '"'"$FUNCTION $@"'" should have succeeded, but failed'
+}
+
+assert_not_ok() {
+  local FUNCTION=$1
+  shift
+
+  ! $($FUNCTION $@) || die '"'"$FUNCTION $@"'" should have failed, but succeeded'
+}

test/fast/Running "nvm deactivate" should unset the nvm environment variables.

@@ -7,7 +7,7 @@ die () { echo $@ ; exit 1; }
 [ `expr $PATH : ".*v0.2.3/.*/bin"` = 0 ] || echo "WARNING: Unexpectedly found v0.2.3 already active" >&2
 
 . ../../nvm.sh
-nvm use v0.2.3 || die "Failed to activate v0.2.3"
+nvm use --delete-prefix v0.2.3 || die "Failed to activate v0.2.3"
 [ `expr "$PATH" : ".*v0.2.3/.*/bin"` != 0 ] || die "PATH not set up properly"
 [ `expr "$NODE_PATH" : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "NODE_PATH should not contain (npm root -g)"
 # ^ note: NODE_PATH should not contain `npm root -g` since globals should not be requireable

test/fast/Running "nvm use iojs" uses latest io.js version

@@ -23,8 +23,16 @@ EXPECTED_OUTPUT=''
 [ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
   || die "'nvm use --silent foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
 
+OUTPUT="$(nvm use foo --silent 2>&1)"
+EXPECTED_OUTPUT=''
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use foo --silent' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
 EXIT_CODE="$(nvm use --silent foo 2>/dev/null ; echo $?)"
 [ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8 from 'nvm use --silent foo'; got $EXIT_CODE"
 
+EXIT_CODE="$(nvm use foo --silent 2>/dev/null ; echo $?)"
+[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8 from 'nvm use foo --silent'; got $EXIT_CODE"
+
 cleanup;
 

test/fast/Unit tests/iojs_version_has_solaris_binary

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+. ../../common.sh
+
+assert_not_ok iojs_version_has_solaris_binary ""
+assert_not_ok iojs_version_has_solaris_binary "foo"
+assert_not_ok iojs_version_has_solaris_binary "v1.1.0"
+
+assert_ok iojs_version_has_solaris_binary "v3.3.1"
+assert_ok iojs_version_has_solaris_binary "iojs-v3.3.1"
+assert_ok iojs_version_has_solaris_binary "v3.3.2"
+assert_ok iojs_version_has_solaris_binary "iojs-v3.3.2"
+assert_ok iojs_version_has_solaris_binary "v3.4.1"
+assert_ok iojs_version_has_solaris_binary "iojs-v3.4.1"

test/fast/Unit tests/node_version_has_solaris_binary

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+. ../../common.sh
+
+# Invalid version numbers fail
+assert_not_ok node_version_has_solaris_binary ""
+assert_not_ok node_version_has_solaris_binary "foo"
+
+# "Invalid" node version numbers fail
+assert_not_ok node_version_has_solaris_binary "v1.0.0"
+assert_not_ok node_version_has_solaris_binary "v3.3.1"
+
+# Valid io.js version numbers that have a Solaris binary fail
+assert_not_ok node_version_has_solaris_binary "iojs-v3.3.1"
+
+# Invvalid io.js version numbers fail
+assert_not_ok node_version_has_solaris_binary "iojs-v0.12.7"
+
+# Valid node version numbers that don't have a Solaris binary fail
+assert_not_ok node_version_has_solaris_binary "v0.8.5"
+
+# Valid node version numbers that have a Solaris binary succeed
+assert_ok node_version_has_solaris_binary "v0.8.6"
+assert_ok node_version_has_solaris_binary "v0.10.0"
+assert_ok node_version_has_solaris_binary "v0.12.7"
+
+# Valid "merged" version numbers fail, because they're not
+# considered node version numbers
+assert_not_ok node_version_has_solaris_binary "v4.0.0"
+assert_not_ok node_version_has_solaris_binary "v4.1.1"

test/fast/Unit tests/nvm_die_on_prefix

@@ -0,0 +1,74 @@
+#!/bin/sh
+
+cleanup () {
+  alias nvm_has='\nvm_has'
+  alias npm='\npm'
+  unset -f nvm_has npm
+}
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+OUTPUT="$(nvm_die_on_prefix 2>&1)"
+EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
+EXIT_CODE="$(nvm_die_on_prefix >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$EXIT_CODE""
+
+OUTPUT="$(nvm_die_on_prefix 2 2>&1)"
+EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
+EXIT_CODE="$(nvm_die_on_prefix 2 >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 2' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$EXIT_CODE""
+
+OUTPUT="$(nvm_die_on_prefix 0 2>&1)"
+EXPECTED_OUTPUT="Second argument \"nvm command\" must be nonempty"
+EXIT_CODE="$(nvm_die_on_prefix 0 >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_2" ] || die "'nvm_die_on_prefix 0' did not exit with 2; got '$EXIT_CODE'"
+
+nvm_has() { return 1; } # ie, npm is not installed
+OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
+[ -z "$OUTPUT" ] || die "nvm_die_on_prefix was not a noop when nvm_has returns 1, got '$OUTPUT'"
+
+nvm_has() { return 0; }
+
+npm() {
+  local args
+  args="$@"
+  if [ "_$args" = "_config get prefix" ]; then
+    echo "$(nvm_version_dir new)/good prefix"
+  fi
+}
+OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
+[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' was not a noop when prefix is good; got '$OUTPUT'"
+
+OUTPUT="$(PREFIX=bar nvm_die_on_prefix 0 foo 2>&1)"
+EXPECTED_OUTPUT='nvm is not compatible with the "PREFIX" environment variable: currently set to "bar"
+Run `unset PREFIX` to unset it.'
+EXIT_CODE="$(PREFIX=bar nvm_die_on_prefix 0 foo >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'PREFIX=bar nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_3" ] || die "'PREFIX=bar nvm_die_on_prefix 0 foo' did not exit with 3; got '$EXIT_CODE'"
+
+OUTPUT="$(NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo 2>&1)"
+EXPECTED_OUTPUT='nvm is not compatible with the "NPM_CONFIG_PREFIX" environment variable: currently set to "bar"
+Run `unset NPM_CONFIG_PREFIX` to unset it.'
+EXIT_CODE="$(NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_4" ] || die "'NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not exit with 4; got '$EXIT_CODE'"
+
+npm() {
+  local args
+  args="$@"
+  if [ "_$args" = "_config get prefix" ]; then
+    echo "./bad prefix"
+  fi
+}
+OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
+EXPECTED_OUTPUT="nvm is not compatible with the npm config \"prefix\" option: currently set to \"./bad prefix\"
+Run \`npm config delete prefix\` or \`foo\` to unset it."
+EXIT_CODE="$(nvm_die_on_prefix 0 foo >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT' with bad prefix set; got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' did not exit with 10 with bad prefix set; got '$EXIT_CODE'"
+
+cleanup

test/fast/Unit tests/nvm_ensure_version_installed

@@ -20,4 +20,11 @@ EXIT_CODE=$?
 [ "_$OUTPUT" = "_" ] || die "expected 'nvm_ensure_version_installed 0.1' to have no output, got $OUTPUT"
 [ "_$EXIT_CODE" = "_0" ] || die "expected 'nvm_ensure_version_installed 0.1' to exit with 0, got $EXIT_CODE"
 
+# Special case for "iojs"
+OUTPUT="$(nvm_ensure_version_installed iojs 2>&1)"
+EXIT_CODE=$?
+EXPECTED_OUTPUT='N/A: version "iojs" is not yet installed'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "expected 'nvm_ensure_version_installed iojs' to give $EXPECTED_OUTPUT, got $OUTPUT"
+[ "_$EXIT_CODE" = "_1" ] || die "expected 'nvm_ensure_version_installed iojs' to exit with 1, got $EXIT_CODE"
+
 cleanup

test/fast/Unit tests/nvm_get_arch

@@ -0,0 +1,80 @@
+#!/bin/sh
+
+# Save the PATH as it was when the test started to restore it when it
+# finishes
+ORIG_PATH=$PATH
+
+cleanup() {
+  # Restore the PATH as it was when the test started
+  export PATH=ORIG_PATH
+}
+
+die () { cleanup; echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+# Directory where mocked binaries used by nvm_get_arch for each OS/arch are
+# located
+MOCKS_DIR=`pwd`/../../mocks
+# Sets the PATH for these tests to include the symlinks to the mocked
+# binaries
+export PATH=.:${PATH}
+
+# Setups mock binaries for a given OS and arch that mimic
+# the output of the real binaries used by nvm_get_arch to guess
+# the architecture of a given system.
+setup_mock_arch() {
+  local OS=$1
+  local ARCH=$2
+  local OPT=$3
+
+  if [ "_$OS" = "_solaris" ] || [ "_$OS" = "_smartos" ]; then
+    ln -sf "${MOCKS_DIR}/isainfo_${ARCH}" ./isainfo
+    if [ "_$OPT" != "_no_pkg_info" ]; then
+      ln -sf "${MOCKS_DIR}/pkg_info_${ARCH}" ./pkg_info
+    fi
+  fi
+
+  ln -sf "${MOCKS_DIR}/uname_${OS}_${ARCH}" ./uname
+}
+
+# Cleans up the setup done by setup_mock_arch.
+cleanup_mock_arch() {
+  local OS=$1
+  local ARCH=$2
+
+  if [ "_$OS" = "_solaris" ] || [ "_$OS" = "_smartos" ]; then
+    rm -f ./isainfo
+    rm -f ./pkg_info
+  fi
+
+  rm -f ./uname
+}
+
+# Runs nvm_get_arch for architecture $ARCH and OS $OS, and compares the
+# expected output $EXPECTED_OUTPUT with the actual output. Does nothing
+# and exits cleanly if they match, dies otherwise.
+run_test() {
+  local ARCH=$1
+  local OS=$2
+  local EXPECTED_OUTPUT=$3
+  local OPT=$4
+
+  setup_mock_arch $OS $ARCH $OPT
+  local OUTPUT="$(nvm_get_arch)"
+  cleanup_mock_arch $OS $ARCH
+  [ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] ||
+    die "nvm_get_arch for OS \"$OS\" and arch \"$ARCH\" with OPT \"$OPT\" did
+    not return \"$EXPECTED_OUTPUT\"; got \"$OUTPUT\""
+}
+
+run_test x86 smartos x86
+run_test x86 smartos x86 no_pkg_info
+
+run_test amd64 smartos x64
+run_test amd64 smartos x64 no_pkg_info
+
+run_test x86 osx x86
+run_test amd64 osx x64
+
+cleanup

test/fast/Unit tests/nvm_has_solaris_binary

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+. ../../common.sh
+
+# Invalid version numbers fail
+assert_not_ok nvm_has_solaris_binary ""
+assert_not_ok nvm_has_solaris_binary "foo"
+
+# "Invalid" node version numbers fail
+assert_not_ok nvm_has_solaris_binary "v1.0.0"
+assert_not_ok nvm_has_solaris_binary "v3.3.1"
+
+# Valid io.js version numbers that have a Solaris binary succeed
+assert_ok nvm_has_solaris_binary "iojs-v3.3.1"
+
+# Invvalid io.js version numbers fail
+assert_not_ok nvm_has_solaris_binary "iojs-v0.12.7"
+
+# Valid node version numbers that don't have a Solaris binary fail
+assert_not_ok nvm_has_solaris_binary "v0.8.5"
+
+# Valid node version numbers that have a Solaris binary succeed
+assert_ok nvm_has_solaris_binary "v0.8.6"
+assert_ok nvm_has_solaris_binary "v0.10.0"
+assert_ok nvm_has_solaris_binary "v0.12.7"
+
+# Valid "merged" version numbers succeed
+assert_ok nvm_has_solaris_binary "v4.0.0"
+assert_ok nvm_has_solaris_binary "v4.1.1"

test/fast/Unit tests/nvm_is_merged_node_version

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_is_merged_node_version '4.0' || die '"nvm_is_merged_node_version 4.0 was not true'
+nvm_is_merged_node_version '5.1' || die '"nvm_is_merged_node_version 5.1 was not true'
+! nvm_is_merged_node_version '3.99' || die '"nvm_is_merged_node_version 3.99 was not false'
+! nvm_is_merged_node_version 'v1.0.0' || die '"nvm_is_merged_node_version v1.0.0" was not false'

test/fast/Unit tests/nvm_print_implicit_alias success

@@ -8,6 +8,8 @@ cleanup() {
   rm -rf ../../../v0.5.7
   rm -rf ../../../v0.7.7
   rm -rf ../../../versions/io.js/v0.98.0
+  rm -rf ../../../versions/node/v1.0.0
+  rm -rf ../../../versions/node/v1.1.0
   unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
@@ -32,6 +34,17 @@ LATEST_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
 LATEST_IOJS="$(nvm_print_implicit_alias local iojs)"
 [ "_$LATEST_IOJS" = "_iojs-v0.98" ] || die "local iojs is not latest iojs: expected iojs-v0.98, got $LATEST_IOJS"
 
+## node post v1.0/io.js merger ##
+mkdir -p ../../../versions/node/v1.0.0
+mkdir -p ../../../versions/node/v1.1.0
+
+LATEST_STABLE="$(nvm_print_implicit_alias local stable)"
+[ "_$LATEST_STABLE" = "_1.1" ] || die "local stable when post-v1.0 exists is not latest: expected 1.1, got $LATEST_STABLE"
+
+LATEST_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
+[ "_$LATEST_UNSTABLE" = "_0.7" ] || die "local unstable is not latest pre-v1.0 odd minor: expected 0.7, got $LATEST_UNSTABLE"
+## ** ##
+
 nvm_ls_remote() {
   echo "v0.4.3"
   echo "v0.5.4"
@@ -65,5 +78,28 @@ LATEST_UNSTABLE="$(nvm_print_implicit_alias remote unstable)"
 LATEST_IOJS="$(nvm_print_implicit_alias remote iojs)"
 [ "_$LATEST_IOJS" = "_iojs-v0.99" ] || die "remote iojs is not latest: expected iojs-v0.99, got $LATEST_IOJS"
 
+## node post v1.0/io.js merger ##
+nvm_ls_remote() {
+  echo "v0.4.3"
+  echo "v0.5.4"
+  echo "v0.6.6"
+  echo "v0.7.7"
+  echo "v0.9.7"
+  echo "v0.4.3"
+  echo "v0.5.4"
+  echo "v0.6.6"
+  echo "v0.7.7"
+  echo "v0.9.7"
+  echo "v1.0.0"
+  echo "v1.1.0"
+}
+
+LATEST_STABLE="$(nvm_print_implicit_alias remote stable)"
+[ "_$LATEST_STABLE" = "_1.1" ] || die "remote stable when post-v1.0 exists is not latest: expected 1.1, got $LATEST_STABLE"
+
+LATEST_UNSTABLE="$(nvm_print_implicit_alias remote unstable)"
+[ "_$LATEST_UNSTABLE" = "_0.9" ] || die "remote unstable is not latest odd pre-v1.0 minor: expected 0.9, got $LATEST_UNSTABLE"
+## ** ##
+
 cleanup
 

test/fast/Unit tests/nvm_supports_xz

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+OLDPATH=$PATH
+TEST_PATH=../../xz-test
+
+mkdir $TEST_PATH
+touch ../../xz-test/xz
+chmod +x ../../xz-test/xz
+
+export PATH=$TEST_PATH:$PATH
+
+$(nvm_supports_xz "v2.3.2") || \
+  die "expected 'nvm_supports_xz v2.3.2' to exit with 0"
+
+$(nvm_supports_xz "v0.12.7") && \
+  die "expected 'nvm_supports_xz v0.12.7' to exit with 1"
+
+
+# set up for a failure by having a minimal toolset available
+# but remove xz
+ln -s /usr/bin/which $TEST_PATH/which
+ln -s /usr/bin/command $TEST_PATH/command
+ln -s /usr/bin/awk $TEST_PATH/awk
+ln -s $(which rm) $TEST_PATH/rm
+
+export PATH=$TEST_PATH
+rm $TEST_PATH/xz
+
+$(nvm_supports_xz "v2.3.2") && \
+  die "expected 'nvm_supports_xz v2.3.2' with a missing xz binary to exit with 1"
+
+export PATH=$OLDPATH

test/fast/teardown

@@ -6,5 +6,5 @@
 
   type setopt >/dev/null 2>&1 && setopt NULL_GLOB
   type shopt >/dev/null 2>&1 && shopt -s nullglob
-  rm -fR v* src alias
+  rm -fR v* src alias test/test-xz
 )

test/mocks/isainfo_amd64

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-n" ]; then
+  echo "amd64"
+else
+  echo "amd64 i386"
+fi

test/mocks/isainfo_x86

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-n" ]; then
+  echo "i386"
+else
+  echo "i386"
+fi

test/mocks/pkg_info_amd64

@@ -0,0 +1 @@
+echo "x86_64"

test/mocks/pkg_info_x86

@@ -0,0 +1 @@
+echo "i386"

test/mocks/uname_osx_amd64

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-m" ]; then
+  echo "x86_64"
+else
+  echo "Darwin foo.local 13.4.0 Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014; root:xnu-2422.115.4~1/RELEASE_X86_64 x86_64"
+ fi

test/mocks/uname_osx_x86

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-m" ]; then
+  echo "i386"
+else
+  echo "Darwin foo.local 13.4.0 Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014; root:xnu-2422.115.4~1/RELEASE_I386 i386"
+ fi

test/mocks/uname_smartos_amd64

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-m" ]; then
+  echo "i86pc"
+else
+  echo "SunOS dev 5.11 joyent_20150219T102159Z i86pc i386 i86pc Solaris"
+fi

test/mocks/uname_smartos_x86

@@ -0,0 +1,5 @@
+if [ "_$1" = "_-m" ]; then
+  echo "i86pc"
+else
+  echo "SunOS dev 5.11 joyent_20150219T102159Z i86pc i386 i86pc Solaris"
+fi

test/slow/nvm run/Running "nvm run 0.x" should error out sensibly when 0.x is not installed

@@ -5,5 +5,5 @@ die () { echo $@ ; exit 1; }
 
 . ../../../nvm.sh
 
-[ "$(nvm run 0.2 --version 2>&1)" = "v0.2 is not installed yet" ] || die "\`nvm run\` with an uninstalled node version failed to error out correctly"
+[ "$(nvm run 0.2 --version 2>&1)" = 'N/A: version "v0.2" is not yet installed' ] || die "\`nvm run\` with an uninstalled node version failed to error out correctly"
-[ "$(nvm run iojs-0.2 --version 2>&1)" = "iojs-v0.2 is not installed yet" ] || die "\`nvm run\` with an uninstalled iojs version failed to error out correctly"
+[ "$(nvm run iojs-0.2 --version 2>&1)" = 'N/A: version "iojs-v0.2" is not yet installed' ] || die "\`nvm run\` with an uninstalled iojs version failed to error out correctly"

test/slow/nvm use/Running "nvm use" calls "nvm_die_on_prefix"

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm deactivate >/dev/null 2>&1 || die 'deactivate failed'
+
+nvm_die_on_prefix() {
+  echo >&2 "| $1 | $2 |"
+  return 3
+}
+
+OUTPUT="$(nvm use --silent node)"
+EXPECTED_OUTPUT=""
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use --silent node' did not call through to 'nvm_die_on_prefix' and give output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
+EXIT_CODE="$(nvm use --silent node >/dev/null 2>&1; echo $?)"
+EXPECTED_CODE="11"
+[ "_$EXIT_CODE" = "_$EXPECTED_CODE" ] \
+  || die "'nvm use --silent node' when 'nvm_die_on_prefix' fails did not return '$EXPECTED_CODE'; got '$EXIT_CODE'"