Merge 9a445a9d87132554e3caee9b0a5107bc5a1d4a25 into 4beab63631764fc381a0e56273faf8d43b8f9509

Fixes #3402

README.md

@@ -156,6 +156,8 @@ If you get `nvm: command not found` after running the install script, one of the
 
   - You might need to restart your terminal instance or run `. ~/.nvm/nvm.sh`. Restarting your terminal/opening a new tab/window, or running the source command will load the command and the new configuration.
 
+  - The file `~/.nvm/nvm.sh` might not have execution rights. Try running `chmod a+x ~/.nvm/nvm.sh` 
+
   - If the above didn't help, you might need to restart your terminal instance. Try opening a new tab/window in your terminal and retry.
 
 If the above doesn't fix the problem, you may try the following:

nvm.sh

@@ -503,9 +503,9 @@ $(nvm_wrap_with_color_code 'y' "${warn_text}")"
 }
 
 nvm_process_nvmrc() {
-  local NVMRC_PATH="$1"
+  local NVMRC_PATH
+  NVMRC_PATH="$1"
   local lines
-  local unpaired_line
 
   lines=$(command sed 's/#.*//' "$NVMRC_PATH" | command sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | nvm_grep -v '^$')
 
@@ -515,8 +515,12 @@ nvm_process_nvmrc() {
   fi
 
   # Initialize key-value storage
-  local keys=''
-  local values=''
+  local keys
+  keys=''
+  local values
+  values=''
+  local unpaired_line
+  unpaired_line=''
 
   while IFS= read -r line; do
     if [ -z "${line}" ]; then