Tweak `rbenv --version` output

libexec/rbenv

@@ -60,7 +60,7 @@ shopt -u nullglob
 command="$1"
 case "$command" in
 "" | "-h" | "--help" )
-  echo -e "rbenv $(rbenv---version)\n$(rbenv-help)" >&2
+  echo -e "$(rbenv---version)\n$(rbenv-help)" >&2
   ;;
 "-v" )
   exec rbenv---version

libexec/rbenv---version

@@ -2,9 +2,10 @@
 set -e
 [ -n "$RBENV_DEBUG" ] && set -x
 
-version=v0.3.0
+version=0.3.0
 
 cd "$RBENV_ROOT"
 git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
+git_revision="${git_revision#v}"
 
-echo ${git_revision:-$version}
+echo "rbenv ${git_revision:-$version}"