From e436cdb64d7d7b338c8f20293d3258c20740705b Mon Sep 17 00:00:00 2001
From: AJ ONeal <coolaj86@gmail.com>
Date: Thu, 24 May 2018 21:07:04 +0000
Subject: [PATCH] allow use of partial version number i.e. v10 or v10.2

---
 install.sh | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/install.sh b/install.sh
index 6a47387..ccc6801 100644
--- a/install.sh
+++ b/install.sh
@@ -245,12 +245,20 @@ if [ -n "${NODEJS_VER:-}" ]; then
   fi
 fi
 
-if [ -z "${NODEJS_VER:-}" ]; then
+NODEJS_VER="${NODEJS_VER:v}" # Search for 'v' at the least
+# sort -rV  # will sort by version number, but it appears these are already sorted
+# tail +2   # starts at line two (1-indexed) and all after (omits the csv header with 'version' and such)
+# cut -f 1  # gets only the first column
+# head -n 1 # gets only the most recent version
+my_char="."
+my_count=$(awk -F"${my_char}" '{print NF-1}' <<< "${NODEJS_VER}")
+# get the latest version if partial
+if [ $my_count -ne 2 ]; then
   if [ -n "$(type -p curl)" ]; then
-    NODEJS_VER=$(curl -fsL "$NODEJS_BASE_URL/dist/index.tab" | head -n 2 | tail -1 | cut -f 1) \
+    NODEJS_VER=$(curl -fsL "$NODEJS_BASE_URL/dist/index.tab" | tail +2 | cut -f 1 | grep "^$NODEJS_VER." | head -n 1) \
       || echo 'error automatically determining current node.js version'
   elif [ -n "$(type -p wget)" ]; then
-    NODEJS_VER=$(wget --quiet "$NODEJS_BASE_URL/dist/index.tab" -O - | head -n 2 | tail -1 | cut -f 1) \
+    NODEJS_VER=$(wget --quiet "$NODEJS_BASE_URL/dist/index.tab" -O - | tail +2 | cut -f 1 | grep "^$NODEJS_VER." | head -n 1) \
       || echo 'error automatically determining current node.js version'
   else
     echo "Found neither 'curl' nor 'wget'. Can't Continue."