From 32030e2ed952d3e395f2ca3ba692582b8ddd56fb Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Sun, 10 May 2015 16:03:06 +0200
Subject: [PATCH] Fix shell version when invoked from a script

When invoked from a shell script, `$(rbenv init -)` did not get the
shell name correct.
It needs to look at the `args` value from `ps`.

Ref: https://github.com/yyuu/pyenv/issues/373
---
 libexec/rbenv-init | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libexec/rbenv-init b/libexec/rbenv-init
index 8e6ee3d8..9fcfc2f4 100755
--- a/libexec/rbenv-init
+++ b/libexec/rbenv-init
@@ -33,7 +33,7 @@ done
 
 shell="$1"
 if [ -z "$shell" ]; then
-  shell="$(ps c -p "$PPID" -o 'ucomm=' 2>/dev/null || true)"
+  shell="$(ps -p "$PPID" -o 'args=' 2>/dev/null || true)"
   shell="${shell##-}"
   shell="${shell%% *}"
   shell="${shell:-$SHELL}"