From 6c179f7f03b56caffcb517231bfbcdb9f903d24d Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 19 Sep 2019 16:53:37 +0300
Subject: [PATCH] bible: fix dirname

---
 README.md | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 2559d22..279aa98 100644
--- a/README.md
+++ b/README.md
@@ -487,11 +487,8 @@ dirname() {
     # Usage: dirname "path"
     dir=${1%%/}
 
-    # If there are no '/' in the path, use '.'.
-    case $dir in
-        */*) ;;
-        *) dir=.
-    esac
+    [ "$dir" ] || dir=//
+    [ "${dir##*/*}" ] && dir=.
 
     printf '%s\n' "${dir%/*}"
 }