From: Brian Harring <ferringb@gentoo.org>
Date: Mon, 23 Jan 2006 10:58:16 +0000 (-0000)
Subject: fixed up dump_trace, courtesy of spyderous
X-Git-Tag: v2.1_pre4~19
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=1173699ee506de28463c11668d688679381b2128;p=portage.git

fixed up dump_trace, courtesy of spyderous

svn path=/main/trunk/; revision=2575
---

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 467e796db..022b5df39 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -273,6 +273,7 @@ diefunc() {
 	echo >&2
 	echo "!!! ERROR: $CATEGORY/$PF failed." >&2
 	dump_trace 2 1>&2
+	echo >&2
 	echo "!!! ${*:-(no error message)}" >&2
 	echo "!!! If you need support, post the topmost build error, and the call stack if relevant." >&2
 	echo >&2
@@ -284,25 +285,39 @@ diefunc() {
 	exit 1
 }
 
+shopt -s extdebug
+
+# usage- first arg is the number of funcs on the stack to ignore.
+# defaults to 1 (ignoring dump_trace)
 dump_trace() {
-	# usage- first arg is the number of funcs on the stack to ignore.
-	# defaults to 1 (ignoring dump_trace)
-	# pulled from eselect.
-	local skip funcname sourcefile lineno
+	local funcname="" sourcefile="" lineno="" n e s="yes"
+
+	declare -i strip=1
+
 	if [[ -n $1 ]]; then
-		declare -i skip=$1
-	else
-		skip=1
+		strip=$(( $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}"
+	for (( n = ${#FUNCNAME[@]} - 1, p = ${#BASH_ARGV[@]} ; n > $strip ; n-- )) ; do
+		funcname=${FUNCNAME[${n} - 1]}
+		sourcefile=$(basename ${BASH_SOURCE[${n}]})
+		lineno=${BASH_LINENO[${n} - 1]}
+		# Display function arguments
+		args=
+		if [[ -n "${BASH_ARGV[@]}" ]]; then
+			for (( j = 0 ; j < ${BASH_ARGC[${n} - 1]} ; ++j )); do
+				newarg=${BASH_ARGV[$(( p - j - 1 ))]}
+				args="${args:+${args} }'${newarg}'"
+			done
+			(( p -= ${BASH_ARGC[${n} - 1]} ))
+		fi
+		echo "  ${sourcefile}, line ${lineno}:   Called ${funcname}${args:+ ${args}}"
 	done
 }
 
+
+
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