mirror of
https://github.com/tj/n.git
synced 2024-11-22 11:37:26 +01:00
105 lines
2.5 KiB
Bash
105 lines
2.5 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
|
|
# unset the n environment variables so tests running from known state.
|
|
# Globals:
|
|
# lots
|
|
|
|
function unset_n_env(){
|
|
unset N_PREFIX
|
|
|
|
# Undocumented [sic]
|
|
unset NODE_MIRROR
|
|
|
|
# Documented under "custom source", but PROJECT and HTTP implemented as independent
|
|
unset PROJECT_NAME
|
|
unset PROJECT_URL
|
|
unset PROJECT_VERSION_CHECK
|
|
unset HTTP_USER
|
|
unset HTTP_PASSWORD
|
|
}
|
|
|
|
|
|
# Create a dummy version of node so `n install` will always activate (and not be affected by possible system version of node).
|
|
|
|
function install_dummy_node() {
|
|
local prefix="${N_PREFIX-/usr/local}"
|
|
mkdir -p "${prefix}/bin"
|
|
echo "echo vDummy" > "${prefix}/bin/node"
|
|
chmod a+x "${prefix}/bin/node"
|
|
}
|
|
|
|
|
|
# Create temporary dir and configure n to use it.
|
|
# Globals:
|
|
# TMP_PREFIX_DIR
|
|
# N_PREFIX
|
|
# PATH
|
|
|
|
function setup_tmp_prefix() {
|
|
TMP_PREFIX_DIR="$(mktemp -d)"
|
|
[ -d "${TMP_PREFIX_DIR}" ] || exit 2
|
|
# return a safer variable to `rm -rf` later than N_PREFIX
|
|
export TMP_PREFIX_DIR
|
|
|
|
export N_PREFIX="${TMP_PREFIX_DIR}"
|
|
export PATH="${N_PREFIX}/bin:${PATH}"
|
|
}
|
|
|
|
|
|
# Display relevant file name (third field of index.tab) for current platform.
|
|
# Based on code from nvm rather than n for independent approach. Simplified for just common platforms initially.
|
|
# See list on https://github.com/nodejs/nodejs-dist-indexer
|
|
|
|
function display_compatible_file_field() {
|
|
local os="unexpected"
|
|
case "$(uname -a)" in
|
|
Linux\ *) os="linux" ;;
|
|
Darwin\ *) os="osx" ;;
|
|
esac
|
|
|
|
local arch="unexpected"
|
|
local uname_m
|
|
uname_m="$(uname -m)"
|
|
case "${uname_m}" in
|
|
x86_64 | amd64) arch="x64" ;;
|
|
i*86) arch="x86" ;;
|
|
aarch64) arch="arm64" ;;
|
|
*) arch="${uname_m}" ;;
|
|
esac
|
|
|
|
echo "${os}-${arch}"
|
|
}
|
|
|
|
|
|
# display_remote_version <version>
|
|
# Limited support for using index.tab to resolve version into a number.
|
|
# Return version number, including leading v.
|
|
|
|
function display_remote_version() {
|
|
# ToDo: support NODE_MIRROR
|
|
|
|
local fetch
|
|
if command -v curl &> /dev/null; then
|
|
fetch="curl --silent --location --fail"
|
|
else
|
|
# insecure to match current n implementation
|
|
fetch="wget -q -O- --no-check-certificate"
|
|
fi
|
|
|
|
local match='xxx'
|
|
if [[ "$1" = "lts" ]]; then
|
|
match='[^-]$'
|
|
elif [[ "$1" = "latest" ]]; then
|
|
match='.'
|
|
fi
|
|
|
|
# Using awk rather than head so do not close pipe early on curl
|
|
# (Add display_compatible_file_field when n does similar check!)
|
|
${fetch} "https://nodejs.org/dist/index.tab" \
|
|
| tail -n +2 \
|
|
| grep -E "${match}" \
|
|
| awk "NR==1" \
|
|
| cut -f -1
|
|
}
|