From 1c9e691ffbd4e9f8834b5f7c7ee501a9d2c808b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20H=C3=B6ltje?= <docwhat@gerf.org>
Date: Tue, 22 Feb 2011 19:17:36 -0500
Subject: [PATCH] 'rvm gemset list' now has a '=>' for the currently used
 gemset

https://www.pivotaltracker.com/story/show/10325081
---
 scripts/gemsets | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/scripts/gemsets b/scripts/gemsets
index 3cbba66756..a948a8a9d5 100755
--- a/scripts/gemsets
+++ b/scripts/gemsets
@@ -225,10 +225,21 @@ gemset_list()
 
     if [[ -n "${rvm_ruby_string:-""}" ]] ; then
 
-      ls "${rvm_gems_path:-"$rvm_path/gems"}/" \
-        | awk -F"${rvm_gemset_separator:-"@"}" \
-        "/${rvm_ruby_string}${rvm_gemset_separator:-"@"}/{print \$2}" \
-        2>/dev/null
+      # What's the current gemset?
+      local current_gemset="${GEM_HOME:-}"
+      # We only care about the stuff to the right of the separator.
+      current_gemset="${current_gemset##*${rvm_gemset_separator:-@}}"
+
+      # Figure out the active gemsets for this version.
+      for gemset in "${rvm_gems_path:-${rvm_path}/gems}/${rvm_ruby_string}${rvm_gemset_separator:-@}"*
+      do
+	gemset="${gemset##*${rvm_gemset_separator:-@}}"
+	if [[ "${gemset}" = "${current_gemset}" ]]; then
+	  echo "=> ${gemset}"
+        else
+          echo "   ${gemset}"
+	fi
+      done
 
     else
       rvm_error "\$rvm_ruby_string is not set!"