install in rvm-1.0.15 vs install in rvm-1.0.17

@@ -124,11 +124,11 @@
 }
 
 thank_you()
 {
   printf "
-${name:-"$(whoami)"},
+${name:-"$USER"},
 
 Thank you very much for using RVM! I sincerely hope that RVM helps to
 make your work both easier and more enjoyable.
 
 If you have any questions, issues and/or ideas for improvement please
@@ -597,10 +597,12 @@
 if [[ $upgrade_flag -eq 0 ]] ; then
   chmod +x ./scripts/notes # Sometimes things don't clone properly :/
   ./scripts/notes
 fi
 
-name="$(awk -F= '/^[[:space:]]*name/{print $2}' ~/.gitconfig 2>/dev/null)"
+if command -v git > /dev/null 2>&1 ; then
+  name="$(git config user.name 2>/dev/null)"
+fi
 
 if [[ ${upgrade_flag:-0} -eq 1 ]] ; then
 
   upgrade_notes