From 263118a2699543933536ad5172ff473fc4b7fd06 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 24 Mar 2020 08:41:33 +0100
Subject: b4: allow b4.sh to be symlinked to

Change b4.sh to handle being symlinked to in order to find out where it
"lives".

This allows me to have a symlink in my local ~/bin/ called b4 that links
to the git repo's b4.sh and have everything work properly.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
---
 b4.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/b4.sh b/b4.sh
index cafeee1..e1f6c4e 100755
--- a/b4.sh
+++ b/b4.sh
@@ -3,6 +3,7 @@
 # Run b4 from a git checkout.
 #
 
-SCRIPT_TOP="${SCRIPT_TOP:-$(cd "${BASH_SOURCE%/*}" && pwd)}"
+REAL_SCRIPT=$(realpath -e ${BASH_SOURCE[0]})
+SCRIPT_TOP="${SCRIPT_TOP:-$(dirname ${REAL_SCRIPT})}"
 
 exec env PYTHONPATH="${SCRIPT_TOP}" python3 "${SCRIPT_TOP}/b4/command.py" "${@}"
-- 
cgit v1.2.3