From 1a7575c61b06b2b1c64bf6e0f66744c3cea40ebd Mon Sep 17 00:00:00 2001
From: Avery Pennarun <apenwarr@gmail.com>
Date: Tue, 16 Feb 2010 17:03:28 -0500
Subject: [PATCH 1/1] sh: use a worse version of _wvfind_caller if bash isn't
 available.

bash has tools for finding the file/linenumber of the caller, but it's not
POSIX, so don't rely on it.
---
 sh/t/twvtest.sh |  2 +-
 sh/wvtest.sh    | 23 +++++++++++++++++------
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/sh/t/twvtest.sh b/sh/t/twvtest.sh
index 875dd53..c02871a 100755
--- a/sh/t/twvtest.sh
+++ b/sh/t/twvtest.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 . ./wvtest.sh
 
 WVSTART "main test"
diff --git a/sh/wvtest.sh b/sh/wvtest.sh
index 44f7d9e..b90c8bf 100644
--- a/sh/wvtest.sh
+++ b/sh/wvtest.sh
@@ -12,12 +12,23 @@ _wvtextclean()
 	( set -f; echo $* )
 }
 
-_wvfind_caller()
-{
-	LVL=$1
-	WVCALLER_FILE=${BASH_SOURCE[2]}
-	WVCALLER_LINE=${BASH_LINENO[1]}
-}
+
+if [ -n "$BASH_VERSION" ]; then
+	_wvfind_caller()
+	{
+		LVL=$1
+		WVCALLER_FILE=${BASH_SOURCE[2]}
+		WVCALLER_LINE=${BASH_LINENO[1]}
+	}
+else
+	_wvfind_caller()
+	{
+		LVL=$1
+		WVCALLER_FILE="unknown"
+		WVCALLER_LINE=0
+	}
+fi
+
 
 _wvcheck()
 {
-- 
2.39.2