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nvm/test/install_script/nvm_check_global_modules
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NUAAwqyandCodex f0d372b01b [Fix] install.sh: nvm_check_global_modules: don't run a Windows npm under WSL
Under WSL, `PATH` can include a Windows Node install, so `command -v npm` can find its `npm` shell shim, which then failed against Windows paths.
That npm is not a system node that nvm would shadow, so under WSL, skip an npm that has an `npm.cmd` beside it: both the Node installer and npm's own shims put one there.
Outside WSL (eg, Git Bash or Cygwin), a Windows npm is the system node, so the warning is kept.

Fixes #3700.

Signed-off-by: NUAAwqy <146524024+NUAAwqy@users.noreply.github.com>
Co-Authored-By: Codex <noreply@openai.com>
2026-10-27 16:28:52 -07:00

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#!/bin/sh
cleanup () {
rm -rf "$npm_config_prefix/lib" >/dev/null 2>&1
unset npm_config_prefix
rm -f npm
[ -z "${WINDOWS_NPM_DIR-}" ] || rm -rf "${WINDOWS_NPM_DIR}"
PATH="$ORIGINAL_PATH"
NVM_DIR="$ORIGINAL_NVM_DIR"
unset -f setup cleanup die
unset message ORIGINAL_PATH ORIGINAL_NVM_DIR WINDOWS_NPM_DIR
}
die () { echo "$@" ; cleanup ; exit 1; }
NVM_ENV=testing \. ../../install.sh
setup () {
ORIGINAL_PATH="$PATH"
ORIGINAL_NVM_DIR="$NVM_DIR"
# Pretend we're not using NVM
unset NVM_DIR
npm_config_prefix="$(pwd)"
export npm_config_prefix
mkdir -p "$npm_config_prefix/lib"
}
setup
npm install -g nop >/dev/null || die 'nvm_check_global_modules cannot be tested because `npm` cannot install the `nop` package'
message=$(nvm_check_global_modules)
[ ! -z "$message" ] || die "nvm_check_global_modules should have printed a notice when npm had global modules installed; got:\n${message}"
if [ -n "${ORIGINAL_NVM_DIR}" ] && [ -z "${GITHUB_ACTIONS}" ]; then
# Admit we're using NVM, just for this one test
# TODO: fix this for GHA
message=$(NVM_DIR="${ORIGINAL_NVM_DIR}" nvm_check_global_modules)
[ -z "$message" ] || die "nvm_check_global_modules should not have printed a notice when npm is managed by nvm; got:\n${message}"
fi
npm uninstall -g nop >/dev/null
message=$(nvm_check_global_modules)
[ -z "$message" ] || die "nvm_check_global_modules should not have printed a notice when npm had no global modules installed; got:\n${message}"
# Faking an installation of npm
mkdir -p "$npm_config_prefix/lib/node_modules/npm"
cat <<'JSON' >"$npm_config_prefix/lib/node_modules/npm/package.json"
{ "name": "npm", "version": "0.0.1fake" }
JSON
message=$(nvm_check_global_modules)
[ -z "$message" ] || die "nvm_check_global_modules should have not printed a notice when npm had only itself installed as a global module; got:\n${message}"
# Faking the absence of npm
PATH=".:$PATH"
touch npm
chmod +x npm
message=$(nvm_check_global_modules)
[ -z "$message" ] || die "nvm_check_global_modules should have not printed a notice when npm was unavailable; got:\n${message}"
# Faking a Windows Node's npm, with a global module installed
WINDOWS_NPM_DIR="$(mktemp -d)"
cat <<'SH' >"${WINDOWS_NPM_DIR}/npm"
#!/bin/sh
case "$1" in
--version) echo '10.0.0' ;;
list) printf '%s\n' 'npm@10.0.0' '└── windows-global@1.0.0' ;;
esac
SH
touch "${WINDOWS_NPM_DIR}/npm.cmd"
chmod +x "${WINDOWS_NPM_DIR}/npm"
PATH="${WINDOWS_NPM_DIR}:${ORIGINAL_PATH}"
nvm_is_wsl() { return 0; }
message=$(nvm_check_global_modules)
[ -z "$message" ] || die "nvm_check_global_modules should not run a Windows npm under WSL; got:\n${message}"
nvm_is_wsl() { return 1; }
message=$(nvm_check_global_modules)
[ -n "$message" ] || die 'nvm_check_global_modules should still warn about a Windows npm outside WSL, where it is the system node'
cleanup