From 3300587c6bef99f6504f4bacb147e5d9ab315e98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mislav=20Marohni=C4=87?= <mislav.marohnic@gmail.com>
Date: Mon, 7 Oct 2013 14:18:36 +0200
Subject: [PATCH] strip initial `-` from the name of shell process

Avoids the case where shell detection would result in
`basename "-bash"` invocation, triggering the error:

    basename: illegal option -- b

fixes #462
---
 libexec/rbenv-init | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libexec/rbenv-init b/libexec/rbenv-init
index 29f7512a..dcb1bd5a 100755
--- a/libexec/rbenv-init
+++ b/libexec/rbenv-init
@@ -23,6 +23,7 @@ done
 shell="$1"
 if [ -z "$shell" ]; then
   shell="$(ps c -p $(ps -p $$ -o 'ppid=' 2>/dev/null) -o 'comm=' 2>/dev/null || true)"
+  shell="${shell##-}"
   shell="$(basename "${shell:-$SHELL}")"
 fi