From 78d58ed662329886283547e7681e9384bf8cc867 Mon Sep 17 00:00:00 2001
From: Brian Harring <ferringb@gentoo.org>
Date: Mon, 23 Jan 2006 07:48:45 +0000
Subject: bash tracebacks. :)

svn path=/main/trunk/; revision=2572
---
 bin/ebuild.sh | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index afd0343c2..5334abdf4 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -272,7 +272,7 @@ diefunc() {
 	shift 3
 	echo >&2
 	echo "!!! ERROR: $CATEGORY/$PF failed." >&2
-	echo "!!! Function $funcname, Line $lineno, Exitcode $exitcode" >&2
+	dump_trace 2 1>&2
 	echo "!!! ${*:-(no error message)}" >&2
 	echo "!!! If you need support, post the topmost build error, NOT this status message." >&2
 	echo >&2
@@ -284,6 +284,22 @@ diefunc() {
 	exit 1
 }
 
+dump_trace() {
+	local skip funcname sourcefile lineno
+	if [[ -n $1 ]]; then
+		declare -i skip=$1
+	else
+		skip=1
+	fi
+	echo "Call stack:"
+	for (( n = $skip ; n < ${#FUNCNAME[@]} ; ++n )) ; do
+		funcname=${FUNCNAME[${n}]}
+		sourcefile=$(basename ${BASH_SOURCE[$(( n - 1 ))]})
+		lineno=${BASH_LINENO[$(( n - 1 ))]}
+		echo "  File ${sourcefile}, line ${lineno}, in ${funcname}"
+	done
+}
+
 #if no perms are specified, dirs/files will have decent defaults
 #(not secretive, but not stupid)
 umask 022
-- 
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