From 024c8111337105e7ca624aa71c9adb2f0718a15f Mon Sep 17 00:00:00 2001
From: kylo252 <59826753+kylo252@users.noreply.github.com>
Date: Mon, 20 Dec 2021 09:00:04 +0100
Subject: fix(installer): check if npm-prefix is writable (#2091)

---
 utils/installer/install.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'utils')

diff --git a/utils/installer/install.sh b/utils/installer/install.sh
index 61519998..1dc77513 100755
--- a/utils/installer/install.sh
+++ b/utils/installer/install.sh
@@ -210,6 +210,7 @@ function __install_nodejs_deps_npm() {
       npm install -g "$dep"
     fi
   done
+
   echo "All NodeJS dependencies are successfully installed"
 }
 
@@ -219,10 +220,22 @@ function __install_nodejs_deps_yarn() {
   echo "All NodeJS dependencies are successfully installed"
 }
 
+function __validate_node_installation() {
+  local pkg_manager="$1"
+  local manager_home
+  manager_home="$($pkg_manager config get prefix 2>/dev/null)"
+
+  if [ ! -d "$manager_home" ] || [ ! -w "$manager_home" ]; then
+    echo "[ERROR] Unable to install without administrative privilages. Please set you NPM_HOME correctly and try again."
+    exit 1
+  fi
+}
+
 function install_nodejs_deps() {
   local -a pkg_managers=("yarn" "npm")
   for pkg_manager in "${pkg_managers[@]}"; do
     if command -v "$pkg_manager" &>/dev/null; then
+      __validate_node_installation "$pkg_manager"
       eval "__install_nodejs_deps_$pkg_manager"
       return
     fi
-- 
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