From cb0470e40d4d12330973cfad4150cbef8076edd1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lucio=20Andr=C3=A9s=20Illanes=20Albornoz=20=28arab=2C=20vx?=
 =?UTF-8?q?p=29?= <l.illanes@gmx.de>
Date: Fri, 24 Jun 2016 12:05:34 +0200
Subject: build.sh -i: refuse to overwrite build script w/ identical filename.
 Followup to <3243be768ad8a601b2636be4dd23dbb6c2d7dd9b>.

---
 build.subr | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'build.subr')

diff --git a/build.subr b/build.subr
index 7858378b..f44b5be7 100644
--- a/build.subr
+++ b/build.subr
@@ -89,7 +89,8 @@ insert_build_script_link() {
 			|| ! isnumber ${_ibsl_level}	\
 			|| [ ${#_ibsl_level} != 3 ]; then
 		log_msg failexit "Error: invalid or empty build script filename/level/name.";
-		return 1;
+	elif [ -e ${_ibsl_fname} ]; then
+		log_msg failexit "Error: build script \`${_ibsl_fname}' already exists.";
 	elif [ -z "$(find -maxdepth 1 -name ${_ibsl_level}.\* -printf '%P\n' -quit)" ]; then
 		echo ln -s pkg.build ${_ibsl_fname};
 		ln -s pkg.build ${_ibsl_fname};
-- 
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