bash tracebacks. :)

svn path=/main/trunk/; revision=2572

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index afd0343c2c2aa1def337b13975e02fb008be39f5..5334abdf4bf3a8fd8ad8bf11bb9228316c23ef33 100755 (executable)
--- 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