Merge c4a5ac62c8 into caa15548c1

plugins/rbenv/rbenv.plugin.zsh

@@ -1,43 +1,36 @@
-FOUND_RBENV=0
-for rbenvdir in "$HOME/.rbenv" "/usr/local/rbenv" "/opt/rbenv" ; do
-  if [ -d $rbenvdir/bin -a $FOUND_RBENV -eq 0 ] ; then
-    FOUND_RBENV=1
-    export RBENV_ROOT=$rbenvdir
-    export PATH=${rbenvdir}/bin:$PATH
-    eval "$(rbenv init -)"
+if [[ $+commands[rbenv] -eq 1 ]] ; then
 
-    alias rubies="rbenv versions"
-    alias gemsets="rbenv gemset list"
+  eval "$(rbenv init -)"
 
-    function current_ruby() {
-      echo "$(rbenv version-name)"
-    }
+  alias rubies="rbenv versions"
+  alias gemsets="rbenv gemset list"
 
-    function current_gemset() {
-      echo "$(rbenv gemset active 2&>/dev/null | sed -e ":a" -e '$ s/\n/+/gp;N;b a' | head -n1)"
-    }
+  function current_ruby() {
+    echo "$(rbenv version-name)"
+  }
 
-    function gems {
-      local rbenv_path=$(rbenv prefix)
-      gem list $@ | sed \
-        -Ee "s/\([0-9\.]+( .+)?\)/$fg[blue]&$reset_color/g" \
-        -Ee "s|$(echo $rbenv_path)|$fg[magenta]\$rbenv_path$reset_color|g" \
-        -Ee "s/$current_ruby@global/$fg[yellow]&$reset_color/g" \
-        -Ee "s/$current_ruby$current_gemset$/$fg[green]&$reset_color/g"
-    }
+  function current_gemset() {
+    echo "$(rbenv gemset active 2&>/dev/null | sed -e ":a" -e '$ s/\n/+/gp;N;b a' | head -n1)"
+  }
 
-    function rbenv_prompt_info() {
-      if [[ -n $(current_gemset) ]] ; then
-        echo "$(current_ruby)@$(current_gemset)"
-      else
-        echo "$(current_ruby)"
-      fi
-    }
-  fi
-done
-unset rbenvdir
+  function gems {
+    local rbenv_path=$(rbenv prefix)
+    gem list $@ | sed \
+      -Ee "s/\([0-9\.]+( .+)?\)/$fg[blue]&$reset_color/g" \
+      -Ee "s|$(echo $rbenv_path)|$fg[magenta]\$rbenv_path$reset_color|g" \
+      -Ee "s/$current_ruby@global/$fg[yellow]&$reset_color/g" \
+      -Ee "s/$current_ruby$current_gemset$/$fg[green]&$reset_color/g"
+  }
 
-if [ $FOUND_RBENV -eq 0 ] ; then
+  function rbenv_prompt_info() {
+    if [[ -n $(current_gemset) ]] ; then
+      echo "$(current_ruby)@$(current_gemset)"
+    else
+      echo "$(current_ruby)"
+    fi
+  }
+
+else
   alias rubies='ruby -v'
   function gemsets() { echo 'not supported' }
   function rbenv_prompt_info() { echo "system: $(ruby -v | cut -f-2 -d ' ')" }