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[patch] show system Node.js version in nvm ls

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Normalize `nvm_version` output when `nvm_ls` returns "system vX" so alias and .nvmrc resolutions treat system correctly.

Add fast tests for system alias behavior in `nvm ls`, `nvm use`, and `nvm which`.
This commit is contained in:
Peter Dave Hello
2026-01-25 18:19:50 +08:00
committed by Jordan Harband
parent b1dd81097f
commit 29a652f90f
8 changed files with 189 additions and 4 deletions
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35
nvm.sh
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@@ -758,6 +758,11 @@ nvm_version() {
;;
esac
VERSION="$(nvm_ls "${PATTERN}" | command tail -1)"
case "${VERSION}" in
system[[:blank:]]*)
VERSION='system'
;;
esac
if [ -z "${VERSION}" ] || [ "_${VERSION}" = "_N/A" ]; then
nvm_echo "N/A"
return 3
@@ -1462,6 +1467,18 @@ nvm_ls() {
PATTERN="${PATTERN}-"
;;
*)
local ALIAS_TARGET
ALIAS_TARGET="$(nvm_resolve_alias "${PATTERN}" 2>/dev/null || nvm_echo)"
if [ "_${ALIAS_TARGET}" = '_system' ] && (nvm_has_system_iojs || nvm_has_system_node); then
local SYSTEM_VERSION
SYSTEM_VERSION="$(nvm deactivate >/dev/null 2>&1 && node -v 2>/dev/null)"
if [ -n "${SYSTEM_VERSION}" ]; then
nvm_echo "system ${SYSTEM_VERSION}"
else
nvm_echo "system"
fi
return
fi
if nvm_resolve_local_alias "${PATTERN}"; then
return
fi
@@ -1565,13 +1582,24 @@ nvm_ls() {
fi
if [ "${NVM_ADD_SYSTEM-}" = true ]; then
local SYSTEM_VERSION
SYSTEM_VERSION="$(nvm deactivate >/dev/null 2>&1 && node -v 2>/dev/null)"
case "${PATTERN}" in
'' | v)
VERSIONS="${VERSIONS}
if [ -n "${SYSTEM_VERSION}" ]; then
VERSIONS="${VERSIONS}
system ${SYSTEM_VERSION}"
else
VERSIONS="${VERSIONS}
system"
fi
;;
system)
VERSIONS="system"
if [ -n "${SYSTEM_VERSION}" ]; then
VERSIONS="system ${SYSTEM_VERSION}"
else
VERSIONS="system"
fi
;;
esac
fi
@@ -1913,6 +1941,7 @@ BEGIN {
fmt_latest_lts = has_colors && latest_lts_color ? ("\033[" latest_lts_color " (Latest LTS: %s)\033[0m") : " (Latest LTS: %s)";
fmt_old_lts = has_colors && old_lts_color ? ("\033[" old_lts_color " (LTS: %s)\033[0m") : " (LTS: %s)";
fmt_system_target = has_colors && system_color ? (" (\033[" system_color "-> %s\033[0m)") : " (-> %s)";
split(remote_versions, lines, "|");
split(installed_versions, installed, "|");
@@ -1944,6 +1973,8 @@ BEGIN {
if (cols == 1) {
formatted = sprintf(fmt_version, version);
} else if (version == "system" && cols >= 2) {
formatted = sprintf((fmt_version fmt_system_target), version, fields[2]);
} else if (cols == 2) {
formatted = sprintf((fmt_version padding fmt_old_lts), version, fields[2]);
} else if (cols == 3 && fields[3] == "*") {