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nvm.sh
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# Node Version Manager
# Implemented as a POSIX-compliant function
# Should work on sh, dash, bash, ksh, zsh
# To use source this file from your bash profile
#
# Implemented by Tim Caswell <[email protected]>
# with much bash help from Matthew Ranney
# "local" warning, quote expansion warning
# shellcheck disable=SC2039,SC2016,SC2001
{ # this ensures the entire script is downloaded #
NVM_SCRIPT_SOURCE="$_"
nvm_is_zsh() {
[ -n "${ZSH_VERSION-}" ]
}
nvm_stdout_is_terminal() {
[ -t 1 ]
}
nvm_echo() {
command printf %s\\n "$*" 2>/dev/null
}
nvm_cd() {
\cd "$@"
}
nvm_err() {
>&2 nvm_echo "$@"
}
nvm_grep() {
GREP_OPTIONS='' command grep "$@"
}
nvm_has() {
type "${1-}" >/dev/null 2>&1
}
nvm_has_non_aliased() {
nvm_has "${1-}" && ! nvm_is_alias "${1-}"
}
nvm_is_alias() {
# this is intentionally not "command alias" so it works in zsh.
\alias "${1-}" >/dev/null 2>&1
}
nvm_command_info() {
local COMMAND
local INFO
COMMAND="${1}"
if type "${COMMAND}" | nvm_grep -q hashed; then
INFO="$(type "${COMMAND}" | command sed -E 's/\(|\)//g' | command awk '{print $4}')"
elif type "${COMMAND}" | nvm_grep -q aliased; then
# shellcheck disable=SC2230
INFO="$(which "${COMMAND}") ($(type "${COMMAND}" | command awk '{ $1=$2=$3=$4="" ;print }' | command sed -e 's/^\ *//g' -Ee "s/\`|'//g"))"
elif type "${COMMAND}" | nvm_grep -q "^${COMMAND} is an alias for"; then
# shellcheck disable=SC2230
INFO="$(which "${COMMAND}") ($(type "${COMMAND}" | command awk '{ $1=$2=$3=$4=$5="" ;print }' | command sed 's/^\ *//g'))"
elif type "${COMMAND}" | nvm_grep -q "^${COMMAND} is \\/"; then
INFO="$(type "${COMMAND}" | command awk '{print $3}')"
else
INFO="$(type "${COMMAND}")"
fi
nvm_echo "${INFO}"
}
nvm_has_colors() {
local NVM_COLORS
if nvm_has tput; then
NVM_COLORS="$(tput -T "${TERM:-vt100}" colors)"
fi
[ "${NVM_COLORS:--1}" -ge 8 ]
}
nvm_curl_libz_support() {
curl -V 2>/dev/null | nvm_grep "^Features:" | nvm_grep -q "libz"
}
nvm_curl_use_compression() {
nvm_curl_libz_support && nvm_version_greater_than_or_equal_to "$(nvm_curl_version)" 7.21.0
}
nvm_get_latest() {
local NVM_LATEST_URL
local CURL_COMPRESSED_FLAG
if nvm_has "curl"; then
if nvm_curl_use_compression; then
CURL_COMPRESSED_FLAG="--compressed"
fi
NVM_LATEST_URL="$(curl ${CURL_COMPRESSED_FLAG:-} -q -w "%{url_effective}\\n" -L -s -S http://latest.nvm.sh -o /dev/null)"
elif nvm_has "wget"; then
NVM_LATEST_URL="$(wget -q http://latest.nvm.sh --server-response -O /dev/null 2>&1 | command awk '/^ Location: /{DEST=$2} END{ print DEST }')"
else
nvm_err 'nvm needs curl or wget to proceed.'
return 1
fi
if [ -z "${NVM_LATEST_URL}" ]; then
nvm_err "http://latest.nvm.sh did not redirect to the latest release on GitHub"
return 2
fi
nvm_echo "${NVM_LATEST_URL##*/}"
}
nvm_download() {
local CURL_COMPRESSED_FLAG
if nvm_has "curl"; then
if nvm_curl_use_compression; then
CURL_COMPRESSED_FLAG="--compressed"
fi
curl --fail ${CURL_COMPRESSED_FLAG:-} -q "$@"
elif nvm_has "wget"; then
# Emulate curl with wget
ARGS=$(nvm_echo "$@" | command sed -e 's/--progress-bar /--progress=bar /' \
-e 's/--compressed //' \
-e 's/--fail //' \
-e 's/-L //' \
-e 's/-I /--server-response /' \
-e 's/-s /-q /' \
-e 's/-sS /-nv /' \
-e 's/-o /-O /' \
-e 's/-C - /-c /')
# shellcheck disable=SC2086
eval wget $ARGS
fi
}
nvm_has_system_node() {
[ "$(nvm deactivate >/dev/null 2>&1 && command -v node)" != '' ]
}
nvm_has_system_iojs() {
[ "$(nvm deactivate >/dev/null 2>&1 && command -v iojs)" != '' ]
}
nvm_is_version_installed() {
[ -n "${1-}" ] && [ -x "$(nvm_version_path "$1" 2>/dev/null)"/bin/node ]
}
nvm_print_npm_version() {
if nvm_has "npm"; then
command printf " (npm v$(npm --version 2>/dev/null))"
fi
}
nvm_install_latest_npm() {
nvm_echo 'Attempting to upgrade to the latest working version of npm...'
local NODE_VERSION
NODE_VERSION="$(nvm_strip_iojs_prefix "$(nvm_ls_current)")"
if [ "${NODE_VERSION}" = 'system' ]; then
NODE_VERSION="$(node --version)"
elif [ "${NODE_VERSION}" = 'none' ]; then
nvm_echo "Detected node version ${NODE_VERSION}, npm version v${NPM_VERSION}"
NODE_VERSION=''
fi
if [ -z "${NODE_VERSION}" ]; then
nvm_err 'Unable to obtain node version.'
return 1
fi
local NPM_VERSION
NPM_VERSION="$(npm --version 2>/dev/null)"
if [ -z "${NPM_VERSION}" ]; then
nvm_err 'Unable to obtain npm version.'
return 2
fi
local NVM_NPM_CMD
NVM_NPM_CMD='npm'
if [ "${NVM_DEBUG-}" = 1 ]; then
nvm_echo "Detected node version ${NODE_VERSION}, npm version v${NPM_VERSION}"
NVM_NPM_CMD='nvm_echo npm'
fi
local NVM_IS_0_6
NVM_IS_0_6=0
if nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 0.6.0 && nvm_version_greater 0.7.0 "${NODE_VERSION}"; then
NVM_IS_0_6=1
fi
local NVM_IS_0_9
NVM_IS_0_9=0
if nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 0.9.0 && nvm_version_greater 0.10.0 "${NODE_VERSION}"; then
NVM_IS_0_9=1
fi
if [ $NVM_IS_0_6 -eq 1 ]; then
nvm_echo '* `node` v0.6.x can only upgrade to `npm` v1.3.x'
$NVM_NPM_CMD install -g [email protected]
elif [ $NVM_IS_0_9 -eq 0 ]; then
# node 0.9 breaks here, for some reason
if nvm_version_greater_than_or_equal_to "${NPM_VERSION}" 1.0.0 && nvm_version_greater 2.0.0 "${NPM_VERSION}"; then
nvm_echo '* `npm` v1.x needs to first jump to `npm` v1.4.28 to be able to upgrade further'
$NVM_NPM_CMD install -g [email protected]
elif nvm_version_greater_than_or_equal_to "${NPM_VERSION}" 2.0.0 && nvm_version_greater 3.0.0 "${NPM_VERSION}"; then
nvm_echo '* `npm` v2.x needs to first jump to the latest v2 to be able to upgrade further'
$NVM_NPM_CMD install -g npm@2
fi
fi
if [ $NVM_IS_0_9 -eq 1 ] || [ $NVM_IS_0_6 -eq 1 ]; then
nvm_echo '* node v0.6 and v0.9 are unable to upgrade further'
elif nvm_version_greater 1.1.0 "${NODE_VERSION}"; then
nvm_echo '* `npm` v4.5.x is the last version that works on `node` versions < v1.1.0'
$NVM_NPM_CMD install -g [email protected]
elif nvm_version_greater 4.0.0 "${NODE_VERSION}"; then
nvm_echo '* `npm` v5 and higher do not work on `node` versions below v4.0.0'
$NVM_NPM_CMD install -g npm@4
elif [ $NVM_IS_0_9 -eq 0 ] && [ $NVM_IS_0_6 -eq 0 ]; then
local NVM_IS_4_4_OR_BELOW
NVM_IS_4_4_OR_BELOW=0
if nvm_version_greater 4.5.0 "${NODE_VERSION}"; then
NVM_IS_4_4_OR_BELOW=1
fi
local NVM_IS_5_OR_ABOVE
NVM_IS_5_OR_ABOVE=0
if [ $NVM_IS_4_4_OR_BELOW -eq 0 ] && nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 5.0.0; then
NVM_IS_5_OR_ABOVE=1
fi
local NVM_IS_6_OR_ABOVE
NVM_IS_6_OR_ABOVE=0
local NVM_IS_6_2_OR_ABOVE
NVM_IS_6_2_OR_ABOVE=0
if [ $NVM_IS_5_OR_ABOVE -eq 1 ] && nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 6.0.0; then
NVM_IS_6_OR_ABOVE=1
if nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 6.2.0; then
NVM_IS_6_2_OR_ABOVE=1
fi
fi
local NVM_IS_9_OR_ABOVE
NVM_IS_9_OR_ABOVE=0
local NVM_IS_9_3_OR_ABOVE
NVM_IS_9_3_OR_ABOVE=0
if [ $NVM_IS_6_2_OR_ABOVE -eq 1 ] && nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 9.0.0; then
NVM_IS_9_OR_ABOVE=1
if nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 9.3.0; then
NVM_IS_9_3_OR_ABOVE=1
fi
fi
local NVM_IS_10_OR_ABOVE
NVM_IS_10_OR_ABOVE=0
if [ $NVM_IS_9_3_OR_ABOVE -eq 1 ] && nvm_version_greater_than_or_equal_to "${NODE_VERSION}" 10.0.0; then
NVM_IS_10_OR_ABOVE=1
fi
if [ $NVM_IS_4_4_OR_BELOW -eq 1 ] || {
[ $NVM_IS_5_OR_ABOVE -eq 1 ] && nvm_version_greater 5.10.0 "${NODE_VERSION}"; \
}; then
nvm_echo '* `npm` `v5.3.x` is the last version that works on `node` 4.x versions below v4.4, or 5.x versions below v5.10, due to `Buffer.alloc`'
$NVM_NPM_CMD install -g [email protected]
elif [ $NVM_IS_4_4_OR_BELOW -eq 0 ] && nvm_version_greater 4.7.0 "${NODE_VERSION}"; then
nvm_echo '* `npm` `v5.4.1` is the last version that works on `node` `v4.5` and `v4.6`'
$NVM_NPM_CMD install -g [email protected]
elif [ $NVM_IS_6_OR_ABOVE -eq 0 ]; then
nvm_echo '* `npm` `v5.x` is the last version that works on `node` below `v6.0.0`'
$NVM_NPM_CMD install -g npm@5
elif \
{ [ $NVM_IS_6_OR_ABOVE -eq 1 ] && [ $NVM_IS_6_2_OR_ABOVE -eq 0 ]; } \
|| { [ $NVM_IS_9_OR_ABOVE -eq 1 ] && [ $NVM_IS_9_3_OR_ABOVE -eq 0 ]; } \
; then
nvm_echo '* `npm` `v6.9` is the last version that works on `node` `v6.0.x`, `v6.1.x`, `v9.0.x`, `v9.1.x`, or `v9.2.x`'
$NVM_NPM_CMD install -g [email protected]
elif [ $NVM_IS_10_OR_ABOVE -eq 0 ]; then
nvm_echo '* `npm` `v6.x` is the last version that works on `node` below `v10.0.0`'
$NVM_NPM_CMD install -g npm@6
else
nvm_echo '* Installing latest `npm`; if this does not work on your node version, please report a bug!'
$NVM_NPM_CMD install -g npm
fi
fi
nvm_echo "* npm upgraded to: v$(npm --version 2>/dev/null)"
}
# Make zsh glob matching behave same as bash
# This fixes the "zsh: no matches found" errors
if [ -z "${NVM_CD_FLAGS-}" ]; then
export NVM_CD_FLAGS=''
fi
if nvm_is_zsh; then
NVM_CD_FLAGS="-q"
fi
# Auto detect the NVM_DIR when not set
if [ -z "${NVM_DIR-}" ]; then
# shellcheck disable=SC2128
if [ -n "${BASH_SOURCE-}" ]; then
# shellcheck disable=SC2169
NVM_SCRIPT_SOURCE="${BASH_SOURCE[0]}"
fi
NVM_DIR="$(nvm_cd ${NVM_CD_FLAGS} "$(dirname "${NVM_SCRIPT_SOURCE:-$0}")" >/dev/null && \pwd)"
export NVM_DIR
else
# https://unix.stackexchange.com/a/198289
case $NVM_DIR in
*[!/]*/)
NVM_DIR="${NVM_DIR%"${NVM_DIR##*[!/]}"}"
export NVM_DIR
nvm_err "Warning: \$NVM_DIR should not have trailing slashes"
;;
esac
fi
unset NVM_SCRIPT_SOURCE 2>/dev/null
nvm_tree_contains_path() {
local tree
tree="${1-}"
local node_path
node_path="${2-}"
if [ "@${tree}@" = "@@" ] || [ "@${node_path}@" = "@@" ]; then
nvm_err "both the tree and the node path are required"
return 2
fi
local pathdir
pathdir=$(dirname "${node_path}")
while [ "${pathdir}" != "" ] && [ "${pathdir}" != "." ] && [ "${pathdir}" != "/" ] && [ "${pathdir}" != "${tree}" ]; do
pathdir=$(dirname "${pathdir}")
done
[ "${pathdir}" = "${tree}" ]
}
nvm_find_project_dir() {
local path_
path_="${PWD}"
while [ "${path_}" != "" ] && [ ! -f "${path_}/package.json" ] && [ ! -d "${path_}/node_modules" ]; do
path_=${path_%/*}
done
nvm_echo "${path_}"
}
# Traverse up in directory tree to find containing folder
nvm_find_up() {
local path_
path_="${PWD}"
while [ "${path_}" != "" ] && [ ! -f "${path_}/${1-}" ]; do
path_=${path_%/*}
done
nvm_echo "${path_}"
}
nvm_find_nvmrc() {
local dir
dir="$(nvm_find_up '.nvmrc')"
if [ -e "${dir}/.nvmrc" ]; then
nvm_echo "${dir}/.nvmrc"
fi
}
# Obtain nvm version from rc file
nvm_rc_version() {
export NVM_RC_VERSION=''
local NVMRC_PATH
NVMRC_PATH="$(nvm_find_nvmrc)"
if [ ! -e "${NVMRC_PATH}" ]; then
if [ "${NVM_SILENT:-0}" -ne 1 ]; then
nvm_err "No .nvmrc file found"
fi
return 1
fi
NVM_RC_VERSION="$(command head -n 1 "${NVMRC_PATH}" | command tr -d '\r')" || command printf ''
if [ -z "${NVM_RC_VERSION}" ]; then
if [ "${NVM_SILENT:-0}" -ne 1 ]; then
nvm_err "Warning: empty .nvmrc file found at \"${NVMRC_PATH}\""
fi
return 2
fi
if [ "${NVM_SILENT:-0}" -ne 1 ]; then
nvm_echo "Found '${NVMRC_PATH}' with version <${NVM_RC_VERSION}>"
fi
}
nvm_clang_version() {
clang --version | command awk '{ if ($2 == "version") print $3; else if ($3 == "version") print $4 }' | command sed 's/-.*$//g'
}
nvm_curl_version() {
curl -V | command awk '{ if ($1 == "curl") print $2 }' | command sed 's/-.*$//g'
}
nvm_version_greater() {
command awk 'BEGIN {
if (ARGV[1] == "" || ARGV[2] == "") exit(1)
split(ARGV[1], a, /\./);
split(ARGV[2], b, /\./);
for (i=1; i<=3; i++) {
if (a[i] && a[i] !~ /^[0-9]+$/) exit(2);
if (b[i] && b[i] !~ /^[0-9]+$/) { exit(0); }
if (a[i] < b[i]) exit(3);
else if (a[i] > b[i]) exit(0);
}
exit(4)
}' "${1#v}" "${2#v}"
}
nvm_version_greater_than_or_equal_to() {
command awk 'BEGIN {
if (ARGV[1] == "" || ARGV[2] == "") exit(1)
split(ARGV[1], a, /\./);
split(ARGV[2], b, /\./);
for (i=1; i<=3; i++) {
if (a[i] && a[i] !~ /^[0-9]+$/) exit(2);
if (a[i] < b[i]) exit(3);
else if (a[i] > b[i]) exit(0);
}
exit(0)
}' "${1#v}" "${2#v}"
}
nvm_version_dir() {
local NVM_WHICH_DIR
NVM_WHICH_DIR="${1-}"
if [ -z "${NVM_WHICH_DIR}" ] || [ "${NVM_WHICH_DIR}" = "new" ]; then
nvm_echo "${NVM_DIR}/versions/node"
elif [ "_${NVM_WHICH_DIR}" = "_iojs" ]; then
nvm_echo "${NVM_DIR}/versions/io.js"
elif [ "_${NVM_WHICH_DIR}" = "_old" ]; then
nvm_echo "${NVM_DIR}"
else
nvm_err 'unknown version dir'
return 3
fi
}
nvm_alias_path() {
nvm_echo "$(nvm_version_dir old)/alias"
}
nvm_version_path() {
local VERSION
VERSION="${1-}"
if [ -z "${VERSION}" ]; then
nvm_err 'version is required'
return 3
elif nvm_is_iojs_version "${VERSION}"; then
nvm_echo "$(nvm_version_dir iojs)/$(nvm_strip_iojs_prefix "${VERSION}")"
elif nvm_version_greater 0.12.0 "${VERSION}"; then
nvm_echo "$(nvm_version_dir old)/${VERSION}"
else
nvm_echo "$(nvm_version_dir new)/${VERSION}"
fi
}
nvm_ensure_version_installed() {
local PROVIDED_VERSION
PROVIDED_VERSION="${1-}"
if [ "${PROVIDED_VERSION}" = 'system' ]; then
if nvm_has_system_iojs || nvm_has_system_node; then
return 0
fi
nvm_err "N/A: no system version of node/io.js is installed."
return 1
fi
local LOCAL_VERSION
local EXIT_CODE
LOCAL_VERSION="$(nvm_version "${PROVIDED_VERSION}")"
EXIT_CODE="$?"
local NVM_VERSION_DIR
if [ "${EXIT_CODE}" != "0" ] || ! nvm_is_version_installed "${LOCAL_VERSION}"; then
if VERSION="$(nvm_resolve_alias "${PROVIDED_VERSION}")"; then
nvm_err "N/A: version \"${PROVIDED_VERSION} -> ${VERSION}\" is not yet installed."
else
local PREFIXED_VERSION
PREFIXED_VERSION="$(nvm_ensure_version_prefix "${PROVIDED_VERSION}")"
nvm_err "N/A: version \"${PREFIXED_VERSION:-$PROVIDED_VERSION}\" is not yet installed."
fi
nvm_err ""
nvm_err "You need to run \"nvm install ${PROVIDED_VERSION}\" to install it before using it."
return 1
fi
}
# Expand a version using the version cache
nvm_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
# The default version is the current one
if [ -z "${PATTERN}" ]; then
PATTERN='current'
fi
if [ "${PATTERN}" = "current" ]; then
nvm_ls_current
return $?
fi
local NVM_NODE_PREFIX
NVM_NODE_PREFIX="$(nvm_node_prefix)"
case "_${PATTERN}" in
"_${NVM_NODE_PREFIX}" | "_${NVM_NODE_PREFIX}-")
PATTERN="stable"
;;
esac
VERSION="$(nvm_ls "${PATTERN}" | command tail -1)"
if [ -z "${VERSION}" ] || [ "_${VERSION}" = "_N/A" ]; then
nvm_echo "N/A"
return 3
fi
nvm_echo "${VERSION}"
}
nvm_remote_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
if nvm_validate_implicit_alias "${PATTERN}" 2>/dev/null; then
case "${PATTERN}" in
"$(nvm_iojs_prefix)")
VERSION="$(NVM_LTS="${NVM_LTS-}" nvm_ls_remote_iojs | command tail -1)" &&:
;;
*)
VERSION="$(NVM_LTS="${NVM_LTS-}" nvm_ls_remote "${PATTERN}")" &&:
;;
esac
else
VERSION="$(NVM_LTS="${NVM_LTS-}" nvm_remote_versions "${PATTERN}" | command tail -1)"
fi
if [ -n "${NVM_VERSION_ONLY-}" ]; then
command awk 'BEGIN {
n = split(ARGV[1], a);
print a[1]
}' "${VERSION}"
else
nvm_echo "${VERSION}"
fi
if [ "${VERSION}" = 'N/A' ]; then
return 3
fi
}
nvm_remote_versions() {
local NVM_IOJS_PREFIX
NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
local NVM_NODE_PREFIX
NVM_NODE_PREFIX="$(nvm_node_prefix)"
local PATTERN
PATTERN="${1-}"
local NVM_FLAVOR
if [ -n "${NVM_LTS-}" ]; then
NVM_FLAVOR="${NVM_NODE_PREFIX}"
fi
case "${PATTERN}" in
"${NVM_IOJS_PREFIX}" | "io.js")
NVM_FLAVOR="${NVM_IOJS_PREFIX}"
unset PATTERN
;;
"${NVM_NODE_PREFIX}")
NVM_FLAVOR="${NVM_NODE_PREFIX}"
unset PATTERN
;;
esac
if nvm_validate_implicit_alias "${PATTERN-}" 2>/dev/null; then
nvm_err 'Implicit aliases are not supported in nvm_remote_versions.'
return 1
fi
local NVM_LS_REMOTE_EXIT_CODE
NVM_LS_REMOTE_EXIT_CODE=0
local NVM_LS_REMOTE_PRE_MERGED_OUTPUT
NVM_LS_REMOTE_PRE_MERGED_OUTPUT=''
local NVM_LS_REMOTE_POST_MERGED_OUTPUT
NVM_LS_REMOTE_POST_MERGED_OUTPUT=''
if [ -z "${NVM_FLAVOR-}" ] || [ "${NVM_FLAVOR-}" = "${NVM_NODE_PREFIX}" ]; then
local NVM_LS_REMOTE_OUTPUT
# extra space is needed here to avoid weird behavior when `nvm_ls_remote` ends in a `*`
NVM_LS_REMOTE_OUTPUT="$(NVM_LTS="${NVM_LTS-}" nvm_ls_remote "${PATTERN-}") " &&:
NVM_LS_REMOTE_EXIT_CODE=$?
# 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#$NVM_LS_REMOTE_PRE_MERGED_OUTPUT}"
fi
local NVM_LS_REMOTE_IOJS_EXIT_CODE
NVM_LS_REMOTE_IOJS_EXIT_CODE=0
local NVM_LS_REMOTE_IOJS_OUTPUT
NVM_LS_REMOTE_IOJS_OUTPUT=''
if [ -z "${NVM_LTS-}" ] && {
[ -z "${NVM_FLAVOR-}" ] || [ "${NVM_FLAVOR-}" = "${NVM_IOJS_PREFIX}" ];
}; then
NVM_LS_REMOTE_IOJS_OUTPUT=$(nvm_ls_remote_iojs "${PATTERN-}") &&:
NVM_LS_REMOTE_IOJS_EXIT_CODE=$?
fi
# the `sed` removes both blank lines, and only-whitespace lines (see "weird behavior" ~19 lines up)
VERSIONS="$(nvm_echo "${NVM_LS_REMOTE_PRE_MERGED_OUTPUT}
${NVM_LS_REMOTE_IOJS_OUTPUT}
${NVM_LS_REMOTE_POST_MERGED_OUTPUT}" | nvm_grep -v "N/A" | command sed '/^ *$/d')"
if [ -z "${VERSIONS}" ]; then
nvm_echo 'N/A'
return 3
fi
# the `sed` is to remove trailing whitespaces (see "weird behavior" ~25 lines up)
nvm_echo "${VERSIONS}" | command sed 's/ *$//g'
return $NVM_LS_REMOTE_EXIT_CODE || $NVM_LS_REMOTE_IOJS_EXIT_CODE
}
nvm_is_valid_version() {
if nvm_validate_implicit_alias "${1-}" 2>/dev/null; then
return 0
fi
case "${1-}" in
"$(nvm_iojs_prefix)" | \
"$(nvm_node_prefix)")
return 0
;;
*)
local VERSION
VERSION="$(nvm_strip_iojs_prefix "${1-}")"
nvm_version_greater_than_or_equal_to "${VERSION}" 0
;;
esac
}
nvm_normalize_version() {
command awk 'BEGIN {
split(ARGV[1], a, /\./);
printf "%d%06d%06d\n", a[1], a[2], a[3];
exit;
}' "${1#v}"
}
nvm_ensure_version_prefix() {
local NVM_VERSION
NVM_VERSION="$(nvm_strip_iojs_prefix "${1-}" | command sed -e 's/^\([0-9]\)/v\1/g')"
if nvm_is_iojs_version "${1-}"; then
nvm_add_iojs_prefix "${NVM_VERSION}"
else
nvm_echo "${NVM_VERSION}"
fi
}
nvm_format_version() {
local VERSION
VERSION="$(nvm_ensure_version_prefix "${1-}")"
local NUM_GROUPS
NUM_GROUPS="$(nvm_num_version_groups "${VERSION}")"
if [ "${NUM_GROUPS}" -lt 3 ]; then
nvm_format_version "${VERSION%.}.0"
else
nvm_echo "${VERSION}" | command cut -f1-3 -d.
fi
}
nvm_num_version_groups() {
local VERSION
VERSION="${1-}"
VERSION="${VERSION#v}"
VERSION="${VERSION%.}"
if [ -z "${VERSION}" ]; then
nvm_echo "0"
return
fi
local NVM_NUM_DOTS
NVM_NUM_DOTS=$(nvm_echo "${VERSION}" | command sed -e 's/[^\.]//g')
local NVM_NUM_GROUPS
NVM_NUM_GROUPS=".${NVM_NUM_DOTS}" # add extra dot, since it's (n - 1) dots at this point
nvm_echo "${#NVM_NUM_GROUPS}"
}
nvm_strip_path() {
if [ -z "${NVM_DIR-}" ]; then
nvm_err '${NVM_DIR} not set!'
return 1
fi
nvm_echo "${1-}" | command sed \
-e "s#${NVM_DIR}/[^/]*${2-}[^:]*:##g" \
-e "s#:${NVM_DIR}/[^/]*${2-}[^:]*##g" \
-e "s#${NVM_DIR}/[^/]*${2-}[^:]*##g" \
-e "s#${NVM_DIR}/versions/[^/]*/[^/]*${2-}[^:]*:##g" \
-e "s#:${NVM_DIR}/versions/[^/]*/[^/]*${2-}[^:]*##g" \
-e "s#${NVM_DIR}/versions/[^/]*/[^/]*${2-}[^:]*##g"
}
nvm_change_path() {
# if there’s no initial path, just return the supplementary path
if [ -z "${1-}" ]; then
nvm_echo "${3-}${2-}"
# if the initial path doesn’t contain an nvm path, prepend the supplementary
# path
elif ! nvm_echo "${1-}" | nvm_grep -q "${NVM_DIR}/[^/]*${2-}" \
&& ! nvm_echo "${1-}" | nvm_grep -q "${NVM_DIR}/versions/[^/]*/[^/]*${2-}"; then
nvm_echo "${3-}${2-}:${1-}"
# if the initial path contains BOTH an nvm path (checked for above) and
# that nvm path is preceded by a system binary path, just prepend the
# supplementary path instead of replacing it.
# https://github.com/nvm-sh/nvm/issues/1652#issuecomment-342571223
elif nvm_echo "${1-}" | nvm_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${NVM_DIR}/[^/]*${2-}" \
|| nvm_echo "${1-}" | nvm_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${NVM_DIR}/versions/[^/]*/[^/]*${2-}"; then
nvm_echo "${3-}${2-}:${1-}"
# use sed to replace the existing nvm path with the supplementary path. This
# preserves the order of the path.
else
nvm_echo "${1-}" | command sed \
-e "s#${NVM_DIR}/[^/]*${2-}[^:]*#${3-}${2-}#" \
-e "s#${NVM_DIR}/versions/[^/]*/[^/]*${2-}[^:]*#${3-}${2-}#"
fi
}
nvm_binary_available() {
# binaries started with node 0.8.6
nvm_version_greater_than_or_equal_to "$(nvm_strip_iojs_prefix "${1-}")" v0.8.6
}
nvm_print_formatted_alias() {
local ALIAS
ALIAS="${1-}"
local DEST
DEST="${2-}"
local VERSION
VERSION="${3-}"
if [ -z "${VERSION}" ]; then
VERSION="$(nvm_version "${DEST}")" ||:
fi
local VERSION_FORMAT
local ALIAS_FORMAT
local DEST_FORMAT
ALIAS_FORMAT='%s'
DEST_FORMAT='%s'
VERSION_FORMAT='%s'
local NEWLINE
NEWLINE='\n'
if [ "_${DEFAULT}" = '_true' ]; then
NEWLINE=' (default)\n'
fi
local ARROW
ARROW='->'
if [ -z "${NVM_NO_COLORS}" ] && nvm_has_colors; then
ARROW='\033[0;90m->\033[0m'
if [ "_${DEFAULT}" = '_true' ]; then
NEWLINE=' \033[0;37m(default)\033[0m\n'
fi
if [ "_${VERSION}" = "_${NVM_CURRENT-}" ]; then
ALIAS_FORMAT='\033[0;32m%s\033[0m'
DEST_FORMAT='\033[0;32m%s\033[0m'
VERSION_FORMAT='\033[0;32m%s\033[0m'
elif nvm_is_version_installed "${VERSION}"; then
ALIAS_FORMAT='\033[0;34m%s\033[0m'
DEST_FORMAT='\033[0;34m%s\033[0m'
VERSION_FORMAT='\033[0;34m%s\033[0m'
elif [ "${VERSION}" = '∞' ] || [ "${VERSION}" = 'N/A' ]; then
ALIAS_FORMAT='\033[1;31m%s\033[0m'
DEST_FORMAT='\033[1;31m%s\033[0m'
VERSION_FORMAT='\033[1;31m%s\033[0m'
fi
if [ "_${NVM_LTS-}" = '_true' ]; then
ALIAS_FORMAT='\033[1;33m%s\033[0m'
fi
if [ "_${DEST%/*}" = "_lts" ]; then
DEST_FORMAT='\033[1;33m%s\033[0m'
fi
elif [ "_${VERSION}" != '_∞' ] && [ "_${VERSION}" != '_N/A' ]; then
VERSION_FORMAT='%s *'
fi
if [ "${DEST}" = "${VERSION}" ]; then
command printf -- "${ALIAS_FORMAT} ${ARROW} ${VERSION_FORMAT}${NEWLINE}" "${ALIAS}" "${DEST}"
else
command printf -- "${ALIAS_FORMAT} ${ARROW} ${DEST_FORMAT} (${ARROW} ${VERSION_FORMAT})${NEWLINE}" "${ALIAS}" "${DEST}" "${VERSION}"
fi
}
nvm_print_alias_path() {
local NVM_ALIAS_DIR
NVM_ALIAS_DIR="${1-}"
if [ -z "${NVM_ALIAS_DIR}" ]; then
nvm_err 'An alias dir is required.'
return 1
fi
local ALIAS_PATH
ALIAS_PATH="${2-}"
if [ -z "${ALIAS_PATH}" ]; then
nvm_err 'An alias path is required.'
return 2
fi
local ALIAS
ALIAS="${ALIAS_PATH##${NVM_ALIAS_DIR}\/}"
local DEST
DEST="$(nvm_alias "${ALIAS}" 2>/dev/null)" ||:
if [ -n "${DEST}" ]; then
NVM_NO_COLORS="${NVM_NO_COLORS-}" NVM_LTS="${NVM_LTS-}" DEFAULT=false nvm_print_formatted_alias "${ALIAS}" "${DEST}"
fi
}
nvm_print_default_alias() {
local ALIAS
ALIAS="${1-}"
if [ -z "${ALIAS}" ]; then
nvm_err 'A default alias is required.'
return 1
fi
local DEST
DEST="$(nvm_print_implicit_alias local "${ALIAS}")"
if [ -n "${DEST}" ]; then
NVM_NO_COLORS="${NVM_NO_COLORS-}" DEFAULT=true nvm_print_formatted_alias "${ALIAS}" "${DEST}"
fi
}
nvm_make_alias() {
local ALIAS
ALIAS="${1-}"
if [ -z "${ALIAS}" ]; then
nvm_err "an alias name is required"
return 1
fi
local VERSION
VERSION="${2-}"
if [ -z "${VERSION}" ]; then
nvm_err "an alias target version is required"
return 2
fi
nvm_echo "${VERSION}" | tee "$(nvm_alias_path)/${ALIAS}" >/dev/null
}
nvm_list_aliases() {
local ALIAS
ALIAS="${1-}"
local NVM_CURRENT
NVM_CURRENT="$(nvm_ls_current)"
local NVM_ALIAS_DIR
NVM_ALIAS_DIR="$(nvm_alias_path)"
command mkdir -p "${NVM_ALIAS_DIR}/lts"
(
local ALIAS_PATH
for ALIAS_PATH in "${NVM_ALIAS_DIR}/${ALIAS}"*; do
NVM_NO_COLORS="${NVM_NO_COLORS-}" NVM_CURRENT="${NVM_CURRENT}" nvm_print_alias_path "${NVM_ALIAS_DIR}" "${ALIAS_PATH}" &
done
wait
) | sort
(
local ALIAS_NAME
for ALIAS_NAME in "$(nvm_node_prefix)" "stable" "unstable"; do
{
if [ ! -f "${NVM_ALIAS_DIR}/${ALIAS_NAME}" ] && { [ -z "${ALIAS}" ] || [ "${ALIAS_NAME}" = "${ALIAS}" ]; }; then
NVM_NO_COLORS="${NVM_NO_COLORS-}" NVM_CURRENT="${NVM_CURRENT}" nvm_print_default_alias "${ALIAS_NAME}"
fi
} &
done
wait
ALIAS_NAME="$(nvm_iojs_prefix)"
if [ ! -f "${NVM_ALIAS_DIR}/${ALIAS_NAME}" ] && { [ -z "${ALIAS}" ] || [ "${ALIAS_NAME}" = "${ALIAS}" ]; }; then
NVM_NO_COLORS="${NVM_NO_COLORS-}" NVM_CURRENT="${NVM_CURRENT}" nvm_print_default_alias "${ALIAS_NAME}"
fi
) | sort
(
local LTS_ALIAS
for ALIAS_PATH in "${NVM_ALIAS_DIR}/lts/${ALIAS}"*; do
{
LTS_ALIAS="$(NVM_NO_COLORS="${NVM_NO_COLORS-}" NVM_LTS=true nvm_print_alias_path "${NVM_ALIAS_DIR}" "${ALIAS_PATH}")"
if [ -n "${LTS_ALIAS}" ]; then
nvm_echo "${LTS_ALIAS}"
fi
} &
done
wait
) | sort
return
}
nvm_alias() {
local ALIAS
ALIAS="${1-}"
if [ -z "${ALIAS}" ]; then
nvm_err 'An alias is required.'
return 1
fi
local NVM_ALIAS_DIR
NVM_ALIAS_DIR="$(nvm_alias_path)"
if [ "$(expr "${ALIAS}" : '^lts/-[1-9][0-9]*$')" -gt 0 ]; then
local N
N="$(echo "${ALIAS}" | cut -d '-' -f 2)"
local RESULT
RESULT="$(command ls "${NVM_ALIAS_DIR}/lts" | command tail -n "${N}" | command head -n 1)"
if [ "${RESULT}" != '*' ]; then
nvm_alias "lts/${RESULT}"
return $?
else
nvm_err 'That many LTS releases do not exist yet.'
return 2
fi
fi
local NVM_ALIAS_PATH
NVM_ALIAS_PATH="${NVM_ALIAS_DIR}/${ALIAS}"
if [ ! -f "${NVM_ALIAS_PATH}" ]; then
nvm_err 'Alias does not exist.'
return 2
fi
command cat "${NVM_ALIAS_PATH}"
}
nvm_ls_current() {
local NVM_LS_CURRENT_NODE_PATH
if ! NVM_LS_CURRENT_NODE_PATH="$(command which node 2>/dev/null)"; then
nvm_echo 'none'
elif nvm_tree_contains_path "$(nvm_version_dir iojs)" "${NVM_LS_CURRENT_NODE_PATH}"; then
nvm_add_iojs_prefix "$(iojs --version 2>/dev/null)"
elif nvm_tree_contains_path "${NVM_DIR}" "${NVM_LS_CURRENT_NODE_PATH}"; then
local VERSION
VERSION="$(node --version 2>/dev/null)"
if [ "${VERSION}" = "v0.6.21-pre" ]; then
nvm_echo 'v0.6.21'
else
nvm_echo "${VERSION}"
fi
else
nvm_echo 'system'
fi
}
nvm_resolve_alias() {
if [ -z "${1-}" ]; then
return 1
fi
local PATTERN
PATTERN="${1-}"
local ALIAS
ALIAS="${PATTERN}"
local ALIAS_TEMP
local SEEN_ALIASES
SEEN_ALIASES="${ALIAS}"
while true; do
ALIAS_TEMP="$(nvm_alias "${ALIAS}" 2>/dev/null || nvm_echo)"
if [ -z "${ALIAS_TEMP}" ]; then
break
fi
if command printf "${SEEN_ALIASES}" | nvm_grep -q -e "^${ALIAS_TEMP}$"; then
ALIAS="∞"
break
fi
SEEN_ALIASES="${SEEN_ALIASES}\\n${ALIAS_TEMP}"
ALIAS="${ALIAS_TEMP}"
done
if [ -n "${ALIAS}" ] && [ "_${ALIAS}" != "_${PATTERN}" ]; then
local NVM_IOJS_PREFIX
NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
local NVM_NODE_PREFIX
NVM_NODE_PREFIX="$(nvm_node_prefix)"
case "${ALIAS}" in
'∞' | \
"${NVM_IOJS_PREFIX}" | "${NVM_IOJS_PREFIX}-" | \
"${NVM_NODE_PREFIX}")
nvm_echo "${ALIAS}"
;;
*)
nvm_ensure_version_prefix "${ALIAS}"
;;
esac
return 0
fi
if nvm_validate_implicit_alias "${PATTERN}" 2>/dev/null; then
local IMPLICIT
IMPLICIT="$(nvm_print_implicit_alias local "${PATTERN}" 2>/dev/null)"
if [ -n "${IMPLICIT}" ]; then
nvm_ensure_version_prefix "${IMPLICIT}"
fi
fi
return 2
}
nvm_resolve_local_alias() {
if [ -z "${1-}" ]; then
return 1
fi
local VERSION
local EXIT_CODE
VERSION="$(nvm_resolve_alias "${1-}")"
EXIT_CODE=$?
if [ -z "${VERSION}" ]; then
return $EXIT_CODE
fi
if [ "_${VERSION}" != '_∞' ]; then
nvm_version "${VERSION}"