flatcar-scripts/common_bash_backtraces.sh
Mike Frysinger 6b1abb2a6f fix up function style
The "function" keyword is superfluous, not in POSIX, is inconsistent
between bash files, and generally makes me angry.  So convert every
instance to the form:
	foo() {

BUG=None
TEST=`cbuildbot x86-generic-paladin` works

Change-Id: I97f5ca30a3edfef7222b1e08ac23917dc613b556
Reviewed-on: https://gerrit.chromium.org/gerrit/22467
Reviewed-by: David James <davidjames@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
2012-05-11 14:10:38 -07:00

36 lines
1.1 KiB
Bash

# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Code used for bash stack dumps included by common.sh when we're in
# bash mode.
# Output a backtrace all the way back to the raw invocation, suppressing
# only the _dump_trace frame itself.
_dump_trace() {
local j n p func src line args
p=${#BASH_ARGV[@]}
for (( n = ${#FUNCNAME[@]}; n > 1; n-- )); do
func=${FUNCNAME[${n} - 1]}
src=${BASH_SOURCE[${n}]##*/}
line=${BASH_LINENO[${n} - 1]}
args=
if [[ -z ${BASH_ARGC[${n} -1]} ]]; then
args='(args unknown, no debug available)'
else
for (( j = 0 ; j < ${BASH_ARGC[${n} -1]} ; ++j )); do
args="${args:+${args} }'${BASH_ARGV[$(( p - j - 1 ))]}'"
done
! (( p -= ${BASH_ARGC[${n} - 1]} ))
fi
if [[ $n == ${#FUNCNAME[@]} ]]; then
error "script called: ${0##/*} ${args}"
error "Backtrace: (most recent call is last)"
else
error "$(printf ' file %s, line %s, called: %s %s' \
"${src}" "${line}" "${func}" "${args}")"
fi
done
}