235 lines
9.3 KiB
Fish
235 lines
9.3 KiB
Fish
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function nvm --description "Node version manager"
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for silent in --silent -s
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if set --local index (contains --index -- $silent $argv)
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set --erase argv[$index] && break
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end
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set --erase silent
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end
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set --local cmd $argv[1]
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set --local ver $argv[2]
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if set --query silent && ! set --query cmd[1]
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echo "nvm: Version number not specified (see nvm -h for usage)" >&2
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return 1
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end
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if ! set --query ver[1] && contains -- "$cmd" install use
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for file in .nvmrc .node-version
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set file (_nvm_find_up $PWD $file) && read ver <$file && break
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end
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if ! set --query ver[1]
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echo "nvm: Invalid version or missing \".nvmrc\" file" >&2
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return 1
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end
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end
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set --local their_version $ver
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switch "$cmd"
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case -v --version
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echo "nvm, version 2.2.14"
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case "" -h --help
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echo "Usage: nvm install <version> Download and activate the specified Node version"
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echo " nvm install Install the version specified in the nearest .nvmrc file"
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echo " nvm use <version> Activate the specified Node version in the current shell"
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echo " nvm use Activate the version specified in the nearest .nvmrc file"
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echo " nvm list List installed Node versions"
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echo " nvm list-remote List available Node versions to install"
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echo " nvm list-remote <regex> List Node versions matching a given regex pattern"
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echo " nvm current Print the currently-active Node version"
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echo " nvm uninstall <version> Uninstall the specified Node version"
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echo "Options:"
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echo " -s, --silent Suppress standard output"
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echo " -v, --version Print the version of nvm"
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echo " -h, --help Print this help message"
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echo "Variables:"
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echo " nvm_arch Override architecture, e.g. x64-musl"
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echo " nvm_mirror Use a mirror for downloading Node binaries"
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echo " nvm_default_version Set the default version for new shells"
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echo " nvm_default_packages Install a list of packages every time a Node version is installed"
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echo "Examples:"
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echo " nvm install latest Install the latest version of Node"
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echo " nvm use 14.15.1 Use Node version 14.15.1"
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echo " nvm use system Activate the system's Node version"
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case install
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_nvm_index_update
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string match --entire --regex -- (_nvm_version_match $ver) <$nvm_data/.index | read ver alias
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if ! set --query ver[1]
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echo "nvm: Invalid version number or alias: \"$their_version\"" >&2
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return 1
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end
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if test ! -e $nvm_data/$ver
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set --local os (command uname -s | string lower)
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set --local ext tar.gz
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set --local arch (command uname -m)
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switch $os
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case aix
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set arch ppc64
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case sunos
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case linux
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case darwin
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case {MSYS_NT,MINGW\*_NT}\*
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set os win
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set ext zip
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case \*
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echo "nvm: Unsupported operating system: \"$os\"" >&2
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return 1
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end
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switch $arch
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case i\*86
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set arch x86
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case x86_64
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set arch x64
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case arm64
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string match --regex --quiet "v(?<major>\d+)" $ver
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if test "$os" = darwin -a $major -lt 16
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set arch x64
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end
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case armv6 armv6l
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set arch armv6l
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case armv7 armv7l
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set arch armv7l
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case armv8 armv8l aarch64
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set arch arm64
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end
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set --query nvm_arch && set arch $nvm_arch
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set --local dir "node-$ver-$os-$arch"
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set --local url $nvm_mirror/$ver/$dir.$ext
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command mkdir -p $nvm_data/$ver
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if ! set --query silent
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echo -e "Installing Node \x1b[1m$ver\x1b[22m $alias"
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echo -e "Fetching \x1b[4m$url\x1b[24m\x1b[7m"
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end
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if ! command curl -q $silent --progress-bar --location $url |
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command tar --extract --gzip --directory $nvm_data/$ver 2>/dev/null
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command rm -rf $nvm_data/$ver
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echo -e "\033[F\33[2K\x1b[0mnvm: Invalid mirror or host unavailable: \"$url\"" >&2
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return 1
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end
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set --query silent || echo -en "\033[F\33[2K\x1b[0m"
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if test "$os" = win
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command mv $nvm_data/$ver/$dir $nvm_data/$ver/bin
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else
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command mv $nvm_data/$ver/$dir/* $nvm_data/$ver
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command rm -rf $nvm_data/$ver/$dir
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end
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end
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if test $ver != "$nvm_current_version"
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set --query nvm_current_version && _nvm_version_deactivate $nvm_current_version
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_nvm_version_activate $ver
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set --query nvm_default_packages[1] && npm install --global $silent $nvm_default_packages
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end
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set --query silent || printf "Now using Node %s (npm %s) %s\n" (_nvm_node_info)
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case use
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test $ver = default && set ver $nvm_default_version
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_nvm_list | string match --entire --regex -- (_nvm_version_match $ver) | read ver __
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if ! set --query ver[1]
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echo "nvm: Can't use Node \"$their_version\", version must be installed first" >&2
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return 1
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end
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if test $ver != "$nvm_current_version"
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set --query nvm_current_version && _nvm_version_deactivate $nvm_current_version
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test $ver != system && _nvm_version_activate $ver
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end
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set --query silent || printf "Now using Node %s (npm %s) %s\n" (_nvm_node_info)
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case uninstall
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if test -z "$ver"
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echo "nvm: Not enough arguments for command: \"$cmd\"" >&2
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return 1
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end
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test $ver = default && test ! -z "$nvm_default_version" && set ver $nvm_default_version
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_nvm_list | string match --entire --regex -- (_nvm_version_match $ver) | read ver __
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if ! set -q ver[1]
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echo "nvm: Node version not installed or invalid: \"$their_version\"" >&2
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return 1
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end
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set --query silent || printf "Uninstalling Node %s %s\n" $ver (string replace ~ \~ "$nvm_data/$ver/bin/node")
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_nvm_version_deactivate $ver
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command rm -rf $nvm_data/$ver
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case current
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_nvm_current
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case ls list
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_nvm_list | _nvm_list_format (_nvm_current) $argv[2]
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case lsr {ls,list}-remote
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_nvm_index_update || return
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_nvm_list | command awk '
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FILENAME == "-" && (is_local[$1] = FNR == NR) { next } {
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print $0 (is_local[$1] ? " ✓" : "")
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}
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' - $nvm_data/.index | _nvm_list_format (_nvm_current) $argv[2]
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case \*
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echo "nvm: Unknown command or option: \"$cmd\" (see nvm -h for usage)" >&2
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return 1
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end
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end
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function _nvm_find_up --argument-names path file
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test -e "$path/$file" && echo $path/$file || begin
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test ! -z "$path" || return
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_nvm_find_up (string replace --regex -- '/[^/]*$' "" $path) $file
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end
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end
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function _nvm_version_match --argument-names ver
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string replace --regex -- '^v?(\d+|\d+\.\d+)$' 'v$1.' $ver |
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string replace --filter --regex -- '^v?(\d+)' 'v$1' |
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string escape --style=regex || string lower '\b'$ver'(?:/\w+)?$'
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end
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function _nvm_list_format --argument-names current regex
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command awk -v current="$current" -v regex="$regex" '
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$0 ~ regex {
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aliases[versions[i++] = $1] = $2 " " $3
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pad = (n = length($1)) > pad ? n : pad
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}
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END {
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if (!i) exit 1
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while (i--)
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printf((current == versions[i] ? " ▶ " : " ") "%"pad"s %s\n",
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versions[i], aliases[versions[i]])
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}
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'
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end
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function _nvm_current
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command --search --quiet node || return
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set --query nvm_current_version && echo $nvm_current_version || echo system
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end
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function _nvm_node_info
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set --local npm_path (string replace bin/npm-cli.js "" (realpath (command --search npm)))
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test -f $npm_path/package.json || set --local npm_version_default (command npm --version)
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command node --eval "
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console.log(process.version)
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console.log('$npm_version_default' ? '$npm_version_default': require('$npm_path/package.json').version)
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console.log(process.execPath)
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" | string replace -- ~ \~
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end
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