/
nave.sh
executable file
·1212 lines (1062 loc) · 29.4 KB
/
nave.sh
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#!/bin/bash
# This program contains parts of narwhal's "sea" program,
# as well as bits borrowed from Tim Caswell's "nvm"
# nave install <version>
# Fetch the version of node and install it in nave's folder.
# nave use <version>
# Install the <version> if it isn't already, and then start
# a subshell with that version's folder at the start of the
# $PATH
# nave use <version> program.js
# Like "nave use", but have the subshell start the program.js
# immediately.
# When told to use a version:
# Ensure that the version exists, install it, and
# then add its prefix to the PATH, and start a subshell.
if [ "$NAVE_DEBUG" != "" ]; then
set -x
fi
if [ -z "$BASH" ]; then
cat >&2 <<MSG
Nave is a bash program, and must be run with bash.
MSG
exit 1
fi
# Use fancy pants globs
shopt -s extglob
# Try to figure out the os and arch for binary fetching
osarch () {
local uname=$(uname -a)
local os=
local arch=
case "$uname" in
Linux\ *) os=linux ;;
Darwin\ *) os=darwin ;;
SunOS\ *) os=sunos ;;
esac
case "$uname" in
*arm64*) arch=arm64 ;;
*x86_64*) arch=x64 ;;
*i[3456]86*) arch=x86 ;;
*raspberrypi*) arch=arm-pi ;;
*aarch64*) arch=arm64 ;;
esac
# memoize
if [ "$os" != "" ] && [ "$arch" != "" ]; then
eval 'osarch () { echo "'$os-$arch'"; };'
echo "$os-$arch"
else
eval 'osarch () { return 1; };'
return 1
fi
}
tar=${TAR-tar}
main () {
get_nave_dir
write_shell_rcfile
export NAVE_DIR
mkdirp "$NAVE_SRC"
mkdirp "$NAVE_ROOT"
local cmd="$1"
shift
case $cmd in
ls-remote | ls-all | should-auto)
cmd="nave_${cmd/-/_}"
;;
auto|cache|exit|install|fetch|use|clean|test|named|ls|uninstall|usemain|latest|stable|lts|has|installed|get|rcfile)
cmd="nave_$cmd"
;;
* )
cmd="nave_help"
;;
esac
# err "nave_$cmd = [$cmd] @=[$@]"
$cmd "$@"
}
get_nave_dir () {
NODEDIST=${NODEDIST:-https://nodejs.org/dist}
NAVE_CACHE_DUR=${NAVE_CACHE_DUR:-86400}
NAVEUA="nave/$(curl --version | head -n1)"
if [ -z "${NAVE_DIR+defined}" ]; then
if [ -d "$XDG_CONFIG_HOME" ] && ! [ -d "$HOME/.nave" ]; then
NAVE_DIR="$XDG_CONFIG_HOME"/nave
elif [ -d "$HOME" ]; then
NAVE_DIR="$HOME"/.nave
else
local prefix=${PREFIX:-/usr/local}
NAVE_DIR=$prefix/lib/nave
fi
fi
NAVE_SRC="$NAVE_DIR/src"
NAVE_ROOT="$NAVE_DIR/installed"
}
nave_get () {
case "$1" in
root) echo $NAVE_ROOT ;;
cache) echo $NAVE_DIR/cache ;;
dir) echo $NAVE_DIR ;;
src) echo $NAVE_SRC ;;
cache-dur) echo $NAVE_CACHE_DUR ;;
ua) echo $NAVEUA ;;
src-only) echo $NAVE_SRC_ONLY ;;
*)
if [ "$1" != "" ]; then
err "unknown setting: $1"
fi
cat <<USAGE
Usage:
nave get (root|cache|dir|src|cache-dur|ua|src-only)
USAGE
;;
esac
}
enquote_all () {
local ARG ARGS
ARGS=()
for ARG in "$@"; do
# start each arg with a ', then replace all ' with '"'"', then end quote
# so "o'brien" becomes 'o'"'"'brien'
# it's a bit line noisey, but it works reliably.
local newArg="$(sed 's/'"'"'/'"'"'"'"'"'"'"'"'/g' <<< "$ARG")"
ARGS+=("'$newArg'")
done
echo "${ARGS[@]}"
}
mkdirp () {
local defaultMsg="couldn't create $1"
msg=${2:-$defaultMsg}
mkdir -p -- "$1" || fail "$msg"
}
rimraf () {
rm -rf -- "$1" || fail "Could not remove $1"
}
err () {
echo "$@" >&2
}
fail () {
err "$@"
[ -z $_TESTING_NAVE_NO_EXIT ] && exit 1
}
nave_fetch () {
local version=$(ver "$1")
if nave_has "$version"; then
return 0
fi
local src="$NAVE_SRC/$version"
rimraf "$src"
mkdirp "$src"
local tarfile
tarfile="$(get "v$version/node-v$version.tar.gz" -#Lf)"
if [ $? -eq 0 ]; then
cp "$tarfile" "$src".tgz
$tar xz -C "$src" --strip-components=1 < "$src".tgz
if [ $? -eq 0 ]; then
err "fetched $version"
return 0
fi
fi
rm "$src".tgz
rimraf "$src"
err "Couldn't fetch $version"
return 1
}
get_shasum () {
local dir=$1
local base=$2
get_html "$dir/SHASUMS256.txt" | grep "$base" | awk '{print $1}'
}
get_tgz () {
local path=$1
local base=$(basename "$path")
local dir=$(dirname "$path")
shift
local shasum=$(get_shasum "$dir" "$base")
local cache=$NAVE_DIR/cache
if [ "$shasum" == "" ]; then
# this should not happen, blow away cache and try 1 more time
rm -- "$cache/$dir/SHASUMS256.txt"* || true
shasum=$(get_shasum "$dir" "$base")
fi
if [ "$shasum" == "" ]; then
err "shasum not found for $base. aborting download."
return 2
fi
if [ -f "$cache/$dir/$shasum.tgz" ]; then
echo "$cache/$dir/$shasum.tgz"
return
fi
get_ "$NODEDIST/$path" "$@" > "$cache/$dir/$base"
if [ $? -ne 0 ]; then
rm "$cache/$dir/$base"
return 2
fi
local actualshasum=$(shasum -a 256 "$cache/$dir/$base" | awk '{print $1}')
if ! [ "$shasum" = "$actualshasum" ]; then
err "shasum mismatch, expect $shasum, got $actualshasum"
rm "$cache/$dir/$base"
return 2
fi
mv "$cache/$dir/$base" "$cache/$dir/$shasum.tgz"
echo "$cache/$dir/$shasum.tgz"
}
get_timestamp () {
local file=$1
local n=$(cat $file 2>/dev/null)
local numre='^[0-9]+$'
if [ -n "$n" ] && [[ $n =~ $numre ]]; then
echo $n
else
echo 0
fi
}
get_html () {
local path=$1
local base=$(basename "$path")
local dir=$(dirname "$path")
shift
if [ "$dir" = "/" ]; then
dir=""
fi
if [ "$base" = "/" ]; then
base=""
fi
if [ "$base" = "" ]; then
base="index.html"
fi
local cache="$NAVE_DIR/cache/$dir"
mkdirp "$cache"
local tsfile="$cache/${base}-timestamp"
local dur=$NAVE_CACHE_DUR
if ! [ "$cache/$base" = "$cache/index.html" ]; then
dur=$[ $dur * 365 ]
fi
if [ -f "$tsfile" ] && \
[ -f "$cache/$base" ] && \
[ $[ $(date '+%s') - $(get_timestamp $tsfile) ] -lt $dur ]; then
cat "$cache/$base"
else
get_ "$NODEDIST/$path" -s "$@" > "$cache/${base}.tmp"
local ret=$?
if [ "$ret" -ne 0 ]; then
rm "$cache/${base}.tmp"
ret=2
if [ -f "$cache/$base" ]; then
cat "$cache/$base"
ret=$cacheret
fi
else
mv "$cache/${base}.tmp" "$cache/$base"
date '+%s' > "$tsfile"
cat "$cache/$base"
fi
return $ret
fi
}
get_ () {
curl "$@" -f -H "user-agent:$NAVEUA" || return 2
}
get () {
local path=$1
local base=$(basename "$path")
local dir=$(dirname "$path")
shift
case "$base" in
*.tar.gz|*.tgz)
get_tgz "$path" "$@"
;;
*)
get_html "$path" "$@"
;;
esac
}
bin_available () {
local version="$1"
if [ "$NAVE_SRC_ONLY" = "1" ]; then
return 1
elif osarch >/dev/null; then
# binaries started with node 0.8.6
case "$version" in
0.8.[012345]) return 1 ;;
0.[01234567].*) return 1 ;;
*) return 0 ;;
esac
else
return 1
fi
}
build_binary () {
local version="$1"
if ! bin_available "$version"; then
return 1
fi
local targetfolder="$2"
local t="$version-$(osarch)"
local url="v$version/node-v${t}.tar.gz"
# have to do in 2 commands or else the "local" returns 0!
local tarfile
tarfile=$(get "$url" -#Lf)
local ret=$?
if [ $ret -eq 0 ]; then
# it worked!
cat "$tarfile" | $tar xz -C "$targetfolder" --strip-components 1
else
return $ret
fi
}
build () {
local version="$1"
local targetfolder="$2"
# shortcut - try the binary if possible.
if bin_available $version; then
if build_binary "$version" "$targetfolder"; then
return 0
else
nave_uninstall "$version"
err "Binary install failed, trying source."
fi
fi
if ! nave_fetch "$version"; then
# fetch failed, don't continue and try to build it.
return 1
fi
local src="$NAVE_SRC/$version"
local jobs=$NAVE_JOBS
jobs=${jobs:-$JOBS}
jobs=${jobs:-$(sysctl -n hw.ncpu)}
jobs=${jobs:-2}
( cd -- "$src" &>/dev/null
source_naverc
if [ "$NAVE_CONFIG" == "" ]; then
NAVE_CONFIG=()
fi
if ! JOBS=$jobs ./configure "${NAVE_CONFIG[@]}" --prefix="$2"; then
err "Failed to configure $version"
return 1
fi
if ! JOBS=$jobs make -j$jobs; then
err "Failed to make $version"
return 1
fi
if ! make install; then
err "Failed to install $version"
return 1
fi
)
}
nave_cache () {
local cache="$NAVE_DIR/cache"
local subcmd="$1"
shift
mkdirp "$cache"
case "$subcmd" in
clear|empty|clean)
rm -rf "$cache"
;;
ls)
find "$cache" "$@"
;;
tree)
tree "$cache" "$@"
;;
*)
cat >&2 <<USAGE
usage: nave cache [clear|ls|tree]
USAGE
return 1
;;
esac
}
# Run this on cd'ing into new directories to automatically enter that
# nave setting in that directory.
nave_auto () {
export NAVE_EXIT='0'
if [ $# -gt 0 ]; then
cd -- $1
if [ $? -ne 0 ]; then
exec "$SHELL"
fi
shift
fi
local rcfile=$(local_naverc_filename "$(pwd)")
if [ $? -eq 0 ] && [ -n "$rcfile" ]; then
local args=($(cat "$rcfile"))
if [ "$#" -eq 0 ]; then
export NAVE_AUTO_RC=$rcfile
export NAVE_AUTO_CFG="${args[@]}"
nave_use "${args[@]}" exec "$SHELL"
else
NAVE_AUTO_RC=$rcfile NAVE_AUTO_CFG="${args[@]}" \
nave_use "${args[@]}" "$SHELL" -c "$(enquote_all "$@")"
fi
elif [ "$#" -eq 0 ]; then
nave_exit
else
nave_exit "$@"
fi
}
nave_should_auto () {
if [ "$NAVE_EXIT" = "1" ]; then
return 1
fi
local rcfile=$(local_naverc_filename "$(pwd)")
if [ "$rcfile" != "$NAVE_AUTO_RC" ]; then
return 0
elif [ "$rcfile" != "" ] && [ "$NAVE_AUTO_CFG" != "$(cat "$rcfile")" ]; then
return 0
fi
return 1
}
nave_usemain () {
if [ ${NAVELVL-0} -gt 0 ]; then
err "Can't usemain inside a nave subshell. Exit to main shell."
return 1
fi
local version=$(ver "$1")
local current=$(node -v 2>/dev/null)
local wn=$(which node)
local prefix=${PREFIX:-/usr/local}
if [ -x "$wn" ] && [[ "$current" =~ ^v[0-9]+\.[0-9]+\.[0-9]+ ]]; then
local p="${wn/\/bin\/node/}"
if [ "$p" != "" ] && [ -d "$prefix" ]; then
prefix=$p
fi
fi
current="${current/v/}"
if [ "$current" == "$version" ]; then
return 0
fi
build "$version" "$prefix"
}
nave_install () {
if [ $# -eq 2 ]; then
add_named_env "$1" "$2"
return $?
fi
local version=$(ver "$1" "NONAMES")
# special case for newer macOS machines using arm64
if [[ "$(uname -m)" =~ "arm64" ]] && [[ "$version" =~ ^([0-9]|10|12|14)\. ]]; then
if type arch &>/dev/null; then
echo "attempting to switch to x86 for old node version" >&2
# have to use the system's bash, in case $(which bash) is
# compiled for this architecture only, more likely the builtin
# one is set up for backwards compatibility.
arch -x86_64 /bin/bash "$0" install "$version"
return $?
else
echo "Warning: using old node version on arm64, might fail" >&2
fi
fi
if [ -z "$version" ]; then
err "Must supply a version ('lts', 'stable', 'latest' or numeric)"
return 1
fi
if nave_installed "$version"; then
return 0
fi
local install="$NAVE_ROOT/$version"
mkdirp "$install"
build "$version" "$install"
local ret=$?
if [ $ret -ne 0 ]; then
rimraf "$install"
return $ret
fi
}
nave_exit () {
if [ -n "$NAVEPATH" ]; then
export PATH=${PATH//$NAVEPATH:/}
fi
export NAVE_EXIT='1'
unset NAVE_NPX
unset NAVE_AUTO_RC
unset NAVE_AUTO_CFG
unset NAVE_DEBUG
unset NAVE_JOBS
unset NAVELVL
unset NAVEPATH
unset NAVEVERSION
unset NAVENAME
unset NAVEVERSIONARG
unset NAVE
unset NAVE_SRC
unset NAVE_CONFIG
unset NAVE_ROOT
unset NODE_PATH
unset NAVE_LOGIN
unset NAVE_DIR
unset npm_config_binroot
unset npm_config_root
unset npm_config_manroot
unset npm_config_prefix
if [ "$#" -gt 0 ]; then
"$SHELL" -c "$(enquote_all "$@")"
else
exec "$SHELL"
fi
}
naverc_filename () {
echo $(cd -- $NAVE_DIR/.. &>/dev/null; pwd)/.naverc
}
# __nave_findup <dir> <filename>
# It has a funky name so we can use it in the shell rcfile, and
# then delete it, without accidentally clobbering anything else.
__nave_findup () {
local dir="$1"
local file="$2"
while ! [ "$dir" = "/" ] && ! [ "$dir" = "." ]; do
if [ -f "$dir"/"$file" ]; then
echo "$dir"/"$file"
return 0
elif [ -f "$dir"/.nvmrc ] && [ "$file" = ".naverc" ]; then
echo "$dir"/.nvmrc
return 0
elif [ -e "$dir"/.git ] || [ -h "$dir"/.git ] || [ "$dir" = "$HOME" ]; then
break
else
dir=$(dirname -- "$dir")
fi
done
return 1
}
local_naverc_filename () {
__nave_findup "$1" ".naverc" || return 1
}
source_naverc () {
local naverc=$(naverc_filename)
if [ -f "$naverc" ]; then
. "$naverc"
fi
}
write_shell_rcfile () {
mkdirp "$NAVE_DIR" "could not make NAVE_DIR ($NAVE_DIR)"
# set up the naverc init file.
# For zsh compatibility, we name this file ".zshenv" instead of
# the more reasonable "naverc" name.
# Important! Update this number any time the init content is changed.
local rcversion="#6"
local rcfile="$NAVE_DIR/.zshenv"
if ! [ -f "$rcfile" ] \
|| [ "$(head -n1 "$rcfile")" != "$rcversion" ]; then
local homercfile=$(naverc_filename)
cat > "$rcfile" <<RC
$rcversion
[ "\$NAVE_DEBUG" != "" ] && set -x || true
if [ "\$BASH" != "" ]; then
if [ "\$NAVE_LOGIN" != "" ]; then
[ -f ~/.bash_profile ] && . ~/.bash_profile || true
[ -f ~/.bash_login ] && . ~/.bash_login || true
[ -f ~/.profile ] && . ~/.profile || true
else
[ -f ~/.bashrc ] && . ~/.bashrc || true
fi
else
[ -f ~/.zshenv ] && . ~/.zshenv || true
export DISABLE_AUTO_UPDATE=true
if [ "\$NAVE_LOGIN" != "" ]; then
[ -f ~/.zprofile ] && . ~/.zprofile || true
[ -f ~/.zshrc ] && . ~/.zshrc || true
[ -f ~/.zlogin ] && . ~/.zlogin || true
else
[ -f ~/.zshrc ] && . ~/.zshrc || true
fi
fi
$(declare -f __nave_findup)
__nave_source_profiles () {
local dir=\$(pwd -P)
local naves=()
if [ -n "\$NAVENAME" ]; then
# in a named env
naves+=(\$NAVE)
naves+=(\$NAVENAME)
fi
naves+=(\$NAVEVERSION)
local vparts=()
local s="\$IFS"
IFS=. vparts=(\$NAVEVERSION)
export IFS="\$s"
naves+=("\${vparts[0]}"."\${vparts[1]}")
naves+=("\${vparts[0]}")
# first find any .nave_profile_{n} in NAVE_DIR, and source those
# then do the project ones, so that they have higher priority
for n in "\${naves[@]}"; do
local f="\${NAVE_DIR}/.nave_profile_\${n}"
if [ -f "\$f" ]; then
source "\$f"
fi
done
if [ -f "\${NAVE_DIR}/.nave_profile" ]; then
source "\${NAVE_DIR}/.nave_profile"
fi
for n in "\${naves[@]}"; do
local f=\$(__nave_findup "\$dir" ".nave_profile_\${n}")
if [ -n "\$f" ]; then
source "\$f"
fi
done
local f=\$(__nave_findup "\$dir" ".nave_profile")
if [ -n "\$f" ]; then
source "\$f"
fi
}
__nave_source_profiles
unset __nave_findup
unset __nave_source_profiles
unset ZDOTDIR
export PATH=\$NAVEPATH:\$PATH
[ -f ${homercfile} ] && . ${homercfile} || true
RC
cat > "$NAVE_DIR/.zlogout" <<RC
[ -f ~/.zlogout ] && . ~/.zlogout || true
RC
fi
# couldn't write file
if ! [ -f "$rcfile" ] || [ "$(head -n1 "$rcfile")" != "$rcversion" ]; then
fail "Failed writing rc files to $NAVE_DIR"
fi
}
nave_test () {
local version=$(ver "$1")
nave_fetch "$version"
local src="$NAVE_SRC/$version"
( cd -- "$src"
source_naverc
if [ "$NAVE_CONFIG" == "" ]; then
NAVE_CONFIG=()
fi
if ! ./configure "${NAVE_CONFIG[@]}"; then
err "failed ./configure"
return 1
else
make test-all
fi
)
}
nave_ls () {
ls -- $NAVE_SRC | version_list "src" \
&& ls -- $NAVE_ROOT | version_list "installed" \
&& nave_ls_named
}
nave_ls_remote () {
get / | version_list "node remote"
}
nave_ls_named () {
echo "named:"
ls -- "$NAVE_ROOT" \
| grep -E -v '[0-9]+\.[0-9]+\.[0-9]+' \
| sort \
| while read name; do
echo "$name: $(ver $($NAVE_ROOT/$name/bin/node -v 2>/dev/null))"
done
}
nave_ls_all () {
nave_ls && (echo ""; nave_ls_remote)
}
ver () {
local version="$1"
local nonames="$2"
version="${version#v}"
case $version in
lts-* | lts/*) nave_lts $version ;;
lts | latest | stable) nave_$version ;;
+([0-9])) nave_version_family "$version\."'[0-9]+' ;;
+([0-9]).) nave_version_family "$version"'[0-9]+' ;;
+([0-9]).+([0-9])) nave_version_family "$version" ;;
+([0-9]).+([0-9]).) nave_version_family "$version" ;;
+([0-9]).+([0-9]).+([0-9])) echo $version ;;
*) [ "$nonames" = "" ] && echo $version ;;
esac
}
nave_version_family () {
local family="$1"
family="${family#v}"
family="${family%.}"
get / | grep -E -o 'v'$family'\.[0-9]+' | sed -e 's|^v||g' \
| semver_sort | tail -n1
}
semver_sort () {
sort -u -k 1,1n -k 2,2n -k 3,3n -t .
}
nave_latest () {
get / \
| grep -E -o '[0-9]+\.[0-9]+\.[0-9]+' \
| semver_sort \
| tail -n1
}
nave_stable () {
nave_lts "$@"
}
nave_lts () {
# err "nave_lts $@"
local lts="$1"
case $lts in
"" | "lts/*")
lts="$(get / | grep -E -o 'latest-[^v][^/]+' | sort | uniq | tail -n1)"
lts=${lts/latest-/}
;;
lts/*)
lts=$(basename "$lts")
;;
latest-*)
lts=${lts/latest-/}
# err "nave_lts lts latest [$lts]"
;;
esac
# err "nave_lts lts=[$lts]"
get latest-$lts/ | grep -E -o '[0-9]+\.[0-9]+\.[0-9]+' | head -n1
}
version_list () {
echo "$1:"
grep -E -o '[0-9]+\.[0-9]+\.[0-9]+' \
| semver_sort \
| organize_version_list
}
organize_version_list () {
local i=0
local v
while read v; do
if [ $i -eq 8 ]; then
i=0
echo "$v"
else
let 'i = i + 1'
echo -ne "$v\t"
fi
done
echo ""
[ $i -ne 0 ] && echo ""
return 0
}
nave_has () {
local version=$(ver "$1")
[ -x "$NAVE_SRC/$version/configure" ]
}
nave_installed () {
local version=$(ver "$1")
[ -x "$NAVE_ROOT/$version/bin/node" ]
}
nave_use () {
if [ -z "$1" ]; then
err "Must supply a version"
return 1
fi
local version=$(ver "$1" NONAMES)
# if it's not a version number, then treat as a name.
if ! [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
nave_named "$@"
return $?
fi
local versionarg="$1"
if [ "$version" == "$NAVENAME" ]; then
# we're already here
if [ $# -gt 1 ]; then
shift
if [ "$1" == "exec" ]; then
shift
fi
exec "$@"
else
return 0
fi
fi
nave_install "$version"
local ret=$?
if [ $ret -ne 0 ]; then
err "failed to install $version"
return $ret
fi
local prefix="$NAVE_ROOT/$version"
local lvl=$[ ${NAVELVL-0} + 1 ]
if [ $# -gt 1 ]; then
shift
nave_exec "$lvl" "$version" "$version" "$prefix" "$versionarg" "$@"
else
nave_login "$lvl" "$version" "$version" "$prefix" "$versionarg"
fi
}
# internal
nave_exec () {
nave_run "exec" "$@"
}
nave_login () {
nave_run "login" "$@"
}
nave_run () {
write_shell_rcfile
local exec="$1"
shift
local lvl="$1"
shift
local name="$1"
shift
local version="$1"
shift
local prefix="$1"
shift
local versionarg="$1"
shift
# err "nave_run exec=$exec lvl=$lvl name=$name version=$version prefix=$prefix versionarg=$versionarg"
local bin="$prefix/bin"
local lib="$prefix/lib/node"
local man="$prefix/share/man"
mkdirp "$bin"
mkdirp "$lib"
mkdirp "$man"
# now $@ is the command to run, or empty if it's not an exec.
local args=()
local isLogin
local runShell=$SHELL
if [ "$exec" == "exec" ]; then
isLogin=""
# source the nave env file, then run the command.
args=("-c" ". $(enquote_all $NAVE_DIR/.zshenv); $(enquote_all "$@")")
else
case "$(basename "$SHELL")" in
zsh)
isLogin="1"
# no need to set rcfile, since ZDOTDIR is set.
args=()
;;
bash)
isLogin="1"
# bash, use --rcfile argument
args=("--rcfile" "$NAVE_DIR/.zshenv")
;;
*)
isLogin="1"
# use bash so we can source the rcfile we've prepared but then tell
# bash to run the user's preferred shell
runShell="bash"
args=("-c" ". $NAVE_DIR/.zshenv && $SHELL")
;;
esac
fi
local nave="$version"
if [ "$version" != "$name" ]; then
nave="$name"-"$version"
fi
# use exec to take over this shell process with whatever we're
# executing, whether that's a login or a command. otherwise there
# are actually TWO subshells, rather than one.
local path=$bin
if [ "$NAVE_NPX" = "1" ]; then
# walk up cwd to find the first package.json or node_modules
local p=$PWD
while [ -d "$p" ] && [ -n "$p" ] && ! [ "$p" = "/" ]; do
if [ -d "$p/node_modules" ] || [ -f "$p/package.json" ]; then
path="$p/node_modules/.bin:$path"
break
else
p=$(dirname -- "$p")
fi
done
fi
NAVE_EXIT='0' \
NAVELVL=$lvl \
NAVEPATH="$path" \
NAVEVERSION="$version" \
NAVEVERSIONARG="$versionarg" \
NAVENAME="$name" \
NAVE="$nave" \
npm_config_binroot="$bin"\
npm_config_root="$lib" \
npm_config_manroot="$man" \
npm_config_prefix="$prefix" \
NODE_PATH="$lib" \
NAVE_LOGIN="$isLogin" \
NAVE_DIR="$NAVE_DIR" \
NAVE_NPX="$NAVE_NPX" \
ZDOTDIR="$NAVE_DIR" \
exec "$runShell" "${args[@]}"
}
nave_named () {
local name="$1"
shift
local version=$(ver "$1" NONAMES)
local versionarg
if [ "$version" != "" ]; then
versionarg="$1"
shift
fi
add_named_env "$name" "$version" || fail "failed to create $name env"
if [ "$name" == "$NAVENAME" ] && [ "$version" == "$NAVEVERSION" ]; then
if [ $# -gt 0 ]; then
if [ "$1" == "exec" ]; then
shift
fi
exec "$@"
else