401 lines
12 KiB
Bash
401 lines
12 KiB
Bash
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#!/usr/bin/env bash
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{ # this ensures the entire script is downloaded #
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nvm_has() {
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type "$1" > /dev/null 2>&1
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}
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nvm_install_dir() {
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command printf %s "${NVM_DIR:-"$HOME/.nvm"}"
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}
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nvm_latest_version() {
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echo "v0.33.11"
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}
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nvm_profile_is_bash_or_zsh() {
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local TEST_PROFILE
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TEST_PROFILE="${1-}"
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case "${TEST_PROFILE-}" in
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*"/.bashrc" | *"/.bash_profile" | *"/.zshrc")
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return
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;;
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*)
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return 1
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;;
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esac
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}
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#
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# Outputs the location to NVM depending on:
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# * The availability of $NVM_SOURCE
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# * The method used ("script" or "git" in the script, defaults to "git")
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# NVM_SOURCE always takes precedence unless the method is "script-nvm-exec"
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#
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nvm_source() {
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local NVM_METHOD
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NVM_METHOD="$1"
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local NVM_SOURCE_URL
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NVM_SOURCE_URL="$NVM_SOURCE"
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if [ "_$NVM_METHOD" = "_script-nvm-exec" ]; then
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NVM_SOURCE_URL="https://raw.githubusercontent.com/creationix/nvm/$(nvm_latest_version)/nvm-exec"
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elif [ "_$NVM_METHOD" = "_script-nvm-bash-completion" ]; then
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NVM_SOURCE_URL="https://raw.githubusercontent.com/creationix/nvm/$(nvm_latest_version)/bash_completion"
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elif [ -z "$NVM_SOURCE_URL" ]; then
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if [ "_$NVM_METHOD" = "_script" ]; then
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NVM_SOURCE_URL="https://raw.githubusercontent.com/creationix/nvm/$(nvm_latest_version)/nvm.sh"
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elif [ "_$NVM_METHOD" = "_git" ] || [ -z "$NVM_METHOD" ]; then
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NVM_SOURCE_URL="https://github.com/creationix/nvm.git"
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else
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echo >&2 "Unexpected value \"$NVM_METHOD\" for \$NVM_METHOD"
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return 1
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fi
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fi
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echo "$NVM_SOURCE_URL"
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}
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#
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# Node.js version to install
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#
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nvm_node_version() {
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echo "$NODE_VERSION"
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}
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nvm_download() {
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if nvm_has "curl"; then
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curl --compressed -q "$@"
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elif nvm_has "wget"; then
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# Emulate curl with wget
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ARGS=$(echo "$*" | command sed -e 's/--progress-bar /--progress=bar /' \
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-e 's/-L //' \
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-e 's/--compressed //' \
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-e 's/-I /--server-response /' \
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-e 's/-s /-q /' \
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-e 's/-o /-O /' \
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-e 's/-C - /-c /')
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# shellcheck disable=SC2086
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eval wget $ARGS
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fi
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}
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install_nvm_from_git() {
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local INSTALL_DIR
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INSTALL_DIR="$(nvm_install_dir)"
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if [ -d "$INSTALL_DIR/.git" ]; then
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echo "=> nvm is already installed in $INSTALL_DIR, trying to update using git"
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command printf '\r=> '
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command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" fetch origin tag "$(nvm_latest_version)" --depth=1 2> /dev/null || {
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echo >&2 "Failed to update nvm, run 'git fetch' in $INSTALL_DIR yourself."
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exit 1
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}
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else
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# Cloning to $INSTALL_DIR
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echo "=> Downloading nvm from git to '$INSTALL_DIR'"
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command printf '\r=> '
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mkdir -p "${INSTALL_DIR}"
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if [ "$(ls -A "${INSTALL_DIR}")" ]; then
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command git init "${INSTALL_DIR}" || {
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echo >&2 'Failed to initialize nvm repo. Please report this!'
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exit 2
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}
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command git --git-dir="${INSTALL_DIR}/.git" remote add origin "$(nvm_source)" 2> /dev/null \
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|| command git --git-dir="${INSTALL_DIR}/.git" remote set-url origin "$(nvm_source)" || {
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echo >&2 'Failed to add remote "origin" (or set the URL). Please report this!'
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exit 2
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}
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command git --git-dir="${INSTALL_DIR}/.git" fetch origin tag "$(nvm_latest_version)" --depth=1 || {
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echo >&2 'Failed to fetch origin with tags. Please report this!'
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exit 2
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}
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else
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command git -c advice.detachedHead=false clone "$(nvm_source)" -b "$(nvm_latest_version)" --depth=1 "${INSTALL_DIR}" || {
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echo >&2 'Failed to clone nvm repo. Please report this!'
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exit 2
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}
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fi
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fi
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command git -c advice.detachedHead=false --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" checkout -f --quiet "$(nvm_latest_version)"
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if [ ! -z "$(command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" show-ref refs/heads/master)" ]; then
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if command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch --quiet 2>/dev/null; then
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command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch --quiet -D master >/dev/null 2>&1
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else
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echo >&2 "Your version of git is out of date. Please update it!"
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command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" branch -D master >/dev/null 2>&1
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fi
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fi
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echo "=> Compressing and cleaning up git repository"
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if ! command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" reflog expire --expire=now --all; then
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echo >&2 "Your version of git is out of date. Please update it!"
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fi
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if ! command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" gc --auto --aggressive --prune=now ; then
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echo >&2 "Your version of git is out of date. Please update it!"
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fi
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return
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}
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#
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# Automatically install Node.js
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#
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nvm_install_node() {
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local NODE_VERSION_LOCAL
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NODE_VERSION_LOCAL="$(nvm_node_version)"
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if [ -z "$NODE_VERSION_LOCAL" ]; then
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return 0
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fi
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echo "=> Installing Node.js version $NODE_VERSION_LOCAL"
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nvm install "$NODE_VERSION_LOCAL"
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local CURRENT_NVM_NODE
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CURRENT_NVM_NODE="$(nvm_version current)"
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if [ "$(nvm_version "$NODE_VERSION_LOCAL")" == "$CURRENT_NVM_NODE" ]; then
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echo "=> Node.js version $NODE_VERSION_LOCAL has been successfully installed"
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else
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echo >&2 "Failed to install Node.js $NODE_VERSION_LOCAL"
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fi
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}
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install_nvm_as_script() {
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local INSTALL_DIR
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INSTALL_DIR="$(nvm_install_dir)"
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local NVM_SOURCE_LOCAL
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NVM_SOURCE_LOCAL="$(nvm_source script)"
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local NVM_EXEC_SOURCE
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NVM_EXEC_SOURCE="$(nvm_source script-nvm-exec)"
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local NVM_BASH_COMPLETION_SOURCE
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NVM_BASH_COMPLETION_SOURCE="$(nvm_source script-nvm-bash-completion)"
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# Downloading to $INSTALL_DIR
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mkdir -p "$INSTALL_DIR"
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if [ -f "$INSTALL_DIR/nvm.sh" ]; then
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echo "=> nvm is already installed in $INSTALL_DIR, trying to update the script"
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else
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echo "=> Downloading nvm as script to '$INSTALL_DIR'"
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fi
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nvm_download -s "$NVM_SOURCE_LOCAL" -o "$INSTALL_DIR/nvm.sh" || {
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echo >&2 "Failed to download '$NVM_SOURCE_LOCAL'"
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return 1
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} &
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nvm_download -s "$NVM_EXEC_SOURCE" -o "$INSTALL_DIR/nvm-exec" || {
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echo >&2 "Failed to download '$NVM_EXEC_SOURCE'"
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return 2
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} &
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nvm_download -s "$NVM_BASH_COMPLETION_SOURCE" -o "$INSTALL_DIR/bash_completion" || {
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echo >&2 "Failed to download '$NVM_BASH_COMPLETION_SOURCE'"
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return 2
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} &
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for job in $(jobs -p | command sort)
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do
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wait "$job" || return $?
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done
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chmod a+x "$INSTALL_DIR/nvm-exec" || {
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echo >&2 "Failed to mark '$INSTALL_DIR/nvm-exec' as executable"
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return 3
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}
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}
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nvm_try_profile() {
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if [ -z "${1-}" ] || [ ! -f "${1}" ]; then
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return 1
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fi
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echo "${1}"
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}
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#
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# Detect profile file if not specified as environment variable
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# (eg: PROFILE=~/.myprofile)
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# The echo'ed path is guaranteed to be an existing file
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# Otherwise, an empty string is returned
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#
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nvm_detect_profile() {
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if [ -n "${PROFILE}" ] && [ -f "${PROFILE}" ]; then
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echo "${PROFILE}"
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return
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fi
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local DETECTED_PROFILE
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DETECTED_PROFILE=''
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if [ -n "${BASH_VERSION-}" ]; then
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if [ -f "$HOME/.bashrc" ]; then
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DETECTED_PROFILE="$HOME/.bashrc"
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elif [ -f "$HOME/.bash_profile" ]; then
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DETECTED_PROFILE="$HOME/.bash_profile"
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fi
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elif [ -n "${ZSH_VERSION-}" ]; then
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DETECTED_PROFILE="$HOME/.zshrc"
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fi
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if [ -z "$DETECTED_PROFILE" ]; then
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for EACH_PROFILE in ".profile" ".bashrc" ".bash_profile" ".zshrc"
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do
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if DETECTED_PROFILE="$(nvm_try_profile "${HOME}/${EACH_PROFILE}")"; then
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break
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fi
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done
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fi
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if [ ! -z "$DETECTED_PROFILE" ]; then
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echo "$DETECTED_PROFILE"
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fi
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}
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#
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# Check whether the user has any globally-installed npm modules in their system
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# Node, and warn them if so.
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#
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nvm_check_global_modules() {
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command -v npm >/dev/null 2>&1 || return 0
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local NPM_VERSION
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NPM_VERSION="$(npm --version)"
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NPM_VERSION="${NPM_VERSION:--1}"
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[ "${NPM_VERSION%%[!-0-9]*}" -gt 0 ] || return 0
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local NPM_GLOBAL_MODULES
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NPM_GLOBAL_MODULES="$(
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npm list -g --depth=0 |
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command sed -e '/ npm@/d' -e '/ (empty)$/d'
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)"
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local MODULE_COUNT
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MODULE_COUNT="$(
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command printf %s\\n "$NPM_GLOBAL_MODULES" |
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command sed -ne '1!p' | # Remove the first line
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wc -l | command tr -d ' ' # Count entries
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)"
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if [ "${MODULE_COUNT}" != '0' ]; then
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# shellcheck disable=SC2016
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echo '=> You currently have modules installed globally with `npm`. These will no'
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# shellcheck disable=SC2016
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echo '=> longer be linked to the active version of Node when you install a new node'
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# shellcheck disable=SC2016
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echo '=> with `nvm`; and they may (depending on how you construct your `$PATH`)'
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# shellcheck disable=SC2016
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echo '=> override the binaries of modules installed with `nvm`:'
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echo
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command printf %s\\n "$NPM_GLOBAL_MODULES"
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echo '=> If you wish to uninstall them at a later point (or re-install them under your'
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# shellcheck disable=SC2016
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echo '=> `nvm` Nodes), you can remove them from the system Node as follows:'
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echo
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echo ' $ nvm use system'
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echo ' $ npm uninstall -g a_module'
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echo
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fi
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}
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nvm_do_install() {
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if [ -n "${NVM_DIR-}" ] && ! [ -d "${NVM_DIR}" ]; then
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echo >&2 "You have \$NVM_DIR set to \"${NVM_DIR}\", but that directory does not exist. Check your profile files and environment."
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exit 1
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fi
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if [ -z "${METHOD}" ]; then
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# Autodetect install method
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if nvm_has git; then
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install_nvm_from_git
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elif nvm_has nvm_download; then
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install_nvm_as_script
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else
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echo >&2 'You need git, curl, or wget to install nvm'
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exit 1
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fi
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elif [ "${METHOD}" = 'git' ]; then
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if ! nvm_has git; then
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echo >&2 "You need git to install nvm"
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exit 1
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fi
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install_nvm_from_git
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elif [ "${METHOD}" = 'script' ]; then
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if ! nvm_has nvm_download; then
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echo >&2 "You need curl or wget to install nvm"
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exit 1
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fi
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install_nvm_as_script
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fi
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echo
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local NVM_PROFILE
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NVM_PROFILE="$(nvm_detect_profile)"
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local PROFILE_INSTALL_DIR
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PROFILE_INSTALL_DIR="$(nvm_install_dir | command sed "s:^$HOME:\$HOME:")"
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SOURCE_STR="\\nexport NVM_DIR=\"${PROFILE_INSTALL_DIR}\"\\n[ -s \"\$NVM_DIR/nvm.sh\" ] && \\. \"\$NVM_DIR/nvm.sh\" # This loads nvm\\n"
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# shellcheck disable=SC2016
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COMPLETION_STR='[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion\n'
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BASH_OR_ZSH=false
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if [ -z "${NVM_PROFILE-}" ] ; then
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local TRIED_PROFILE
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if [ -n "${PROFILE}" ]; then
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TRIED_PROFILE="${NVM_PROFILE} (as defined in \$PROFILE), "
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fi
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echo "=> Profile not found. Tried ${TRIED_PROFILE-}~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile."
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echo "=> Create one of them and run this script again"
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echo " OR"
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echo "=> Append the following lines to the correct file yourself:"
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command printf "${SOURCE_STR}"
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echo
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else
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if nvm_profile_is_bash_or_zsh "${NVM_PROFILE-}"; then
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BASH_OR_ZSH=true
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fi
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if ! command grep -qc '/nvm.sh' "$NVM_PROFILE"; then
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||
|
|
echo "=> Appending nvm source string to $NVM_PROFILE"
|
||
|
|
command printf "${SOURCE_STR}" >> "$NVM_PROFILE"
|
||
|
|
else
|
||
|
|
echo "=> nvm source string already in ${NVM_PROFILE}"
|
||
|
|
fi
|
||
|
|
# shellcheck disable=SC2016
|
||
|
|
if ${BASH_OR_ZSH} && ! command grep -qc '$NVM_DIR/bash_completion' "$NVM_PROFILE"; then
|
||
|
|
echo "=> Appending bash_completion source string to $NVM_PROFILE"
|
||
|
|
command printf "$COMPLETION_STR" >> "$NVM_PROFILE"
|
||
|
|
else
|
||
|
|
echo "=> bash_completion source string already in ${NVM_PROFILE}"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
if ${BASH_OR_ZSH} && [ -z "${NVM_PROFILE-}" ] ; then
|
||
|
|
echo "=> Please also append the following lines to the if you are using bash/zsh shell:"
|
||
|
|
command printf "${COMPLETION_STR}"
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Source nvm
|
||
|
|
# shellcheck source=/dev/null
|
||
|
|
\. "$(nvm_install_dir)/nvm.sh"
|
||
|
|
|
||
|
|
nvm_check_global_modules
|
||
|
|
|
||
|
|
nvm_install_node
|
||
|
|
|
||
|
|
nvm_reset
|
||
|
|
|
||
|
|
echo "=> Close and reopen your terminal to start using nvm or run the following to use it now:"
|
||
|
|
command printf "${SOURCE_STR}"
|
||
|
|
if ${BASH_OR_ZSH} ; then
|
||
|
|
command printf "${COMPLETION_STR}"
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
#
|
||
|
|
# Unsets the various functions defined
|
||
|
|
# during the execution of the install script
|
||
|
|
#
|
||
|
|
nvm_reset() {
|
||
|
|
unset -f nvm_has nvm_install_dir nvm_latest_version nvm_profile_is_bash_or_zsh \
|
||
|
|
nvm_source nvm_node_version nvm_download install_nvm_from_git nvm_install_node \
|
||
|
|
install_nvm_as_script nvm_try_profile nvm_detect_profile nvm_check_global_modules \
|
||
|
|
nvm_do_install nvm_reset
|
||
|
|
}
|
||
|
|
|
||
|
|
[ "_$NVM_ENV" = "_testing" ] || nvm_do_install
|
||
|
|
|
||
|
|
} # this ensures the entire script is downloaded #
|