4 changed files with 8 additions and 393 deletions
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14bin/miaou-bash
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302bin/miaou-bash-old
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83test/miaou-bash-old.test.bash
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2test/stub/extra/onemore.bash
@ -1,302 +0,0 @@ |
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#!/usr/bin/env bash |
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# CONSTANTS |
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MIAOU_BASH_ERROR=$(mktemp -t "$(basename "$0").XXXXXXXX" --tmpdir="/run/user/$(id -u)") |
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MIAOU_DEBUG=${MIAOU_DEBUG:-false} |
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readonly MIAOU_BASH_ERROR MIAOU_DEBUG |
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# FUNCTIONS |
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function is_true { |
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[[ "${1,,}" =~ ^true$ ]] #${1,,} => Lowercase all chars |
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} |
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# overridden function which permits backtracing of original `return` statement |
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function false { |
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>&2 echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]} false" |
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miaou_debug "overridden false" |
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builtin false |
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} |
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# overridden function which permits backtracing of original `exit` statement |
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function exit { |
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code=${1:-0} |
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# >&2 echo "${BASH_SOURCE[2]}: line ${BASH_LINENO[0]}: exit $@" |
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>&2 echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]} exit $code" |
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miaou_debug "overridden exit $code" |
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builtin exit "$code" |
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} |
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function on_usr1 { |
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cleanup |
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# FIXME: get exit code from MIAOU_BASH_SUBERROR |
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builtin exit 1 |
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} |
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function on_return { |
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# regex does not work here unfortunately! |
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if [[ "${BASH_COMMAND}" == 'return '* ]]; then |
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code=$(echo "${BASH_COMMAND}" | cut -d' ' -f2) |
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if [[ -n "$code" ]] && [[ "$code" -ne 0 ]]; then |
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trap - DEBUG |
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>&2 echo "${BASH_SOURCE[2]}: line ${BASH_LINENO[0]}: return $code from ${FUNCNAME[1]}" |
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fi |
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fi |
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} |
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function on_exit { |
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code=${1:-0} |
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if [[ $code -gt 0 ]]; then |
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stack_lines=("${BASH_LINENO[@]}") |
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stack_functions=("${FUNCNAME[@]}") |
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stack_sources=("${BASH_SOURCE[@]}") |
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unset 'stack_lines[-1]' |
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unset 'stack_lines[-1]' |
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unset 'stack_functions[0]' |
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unset 'stack_functions[-1]' |
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[[ "${#stack_functions[@]}" -gt 0 ]] && stack_functions[-1]='<main>' |
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unset 'stack_sources[0]' |
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unset 'stack_sources[-1]' |
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if [[ "${#stack_functions[@]}" -gt 1 && "${stack_functions[1]}" =~ exit|false && "${stack_sources[1]}" == "${BASH_SOURCE[0]}" ]]; then |
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# the exit or false case scenario |
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unset 'stack_functions[1]' |
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unset 'stack_sources[1]' |
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unset 'stack_lines[0]' |
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fi |
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stack_lines=("${stack_lines[@]}") |
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stack_functions=("${stack_functions[@]}") |
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stack_sources=("${stack_sources[@]}") |
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failure_payload='' |
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last_error=$(tail -n1 "$MIAOU_BASH_ERROR") |
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last_source=${stack_sources[0]} |
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last_source=${last_source//./"\."} # replace '.' with '\.' |
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regex1="^$last_source: line ([0-9]+): (.*)\$" |
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regex2="^$last_source:([0-9]+) (.*)\$" |
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# FIXME: too much tricky! (delayed stderr) |
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if [[ -p /dev/stdout ]]; then |
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failure_type='SUBSHELL_TERM' |
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failure_payload="$last_error" |
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if [[ "$last_error" =~ $regex1 || "$last_error" =~ $regex2 ]]; then |
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failure_payload="${BASH_REMATCH[2]}" |
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fi |
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last_error="${BASH_SOURCE[1]}:${BASH_LINENO[0]} subshell term $code" |
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printf "\r" # useful! |
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kill -USR1 $$ |
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else |
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failure_type='UNKNOWN' |
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fi |
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# debug "last_error=[$last_error] <=> ${last_source}" |
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if [[ "$last_error" =~ $regex1 || "$last_error" =~ $regex2 ]]; then |
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line=${BASH_REMATCH[1]} |
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message=${BASH_REMATCH[2]} |
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regex='^(.*): unbound variable$' |
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if [[ $code == 1 ]] && [[ "$message" =~ $regex ]]; then |
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failure_type='UNBOUND_VARIABLE' |
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failure_payload="${BASH_REMATCH[1]}" |
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stack_lines[0]=$line |
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else |
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if [[ "$message" == 'false' ]]; then |
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failure_type='FALSE' |
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else |
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regex="^return ([0-9]*) from (.*)\$" |
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if [[ "$message" =~ $regex ]]; then |
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# return_code="${BASH_REMATCH[1]}" |
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funcname="${BASH_REMATCH[2]}" |
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# >&4 echo "RETURN DETECTED line ${stack_sources[0]} $line $funcname" |
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stack_sources=("${stack_sources[0]}" "${stack_sources[@]}") |
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stack_lines=("$line" "${stack_lines[@]}") |
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stack_functions=("$funcname" "${stack_functions[@]}") |
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failure_type='RETURN' |
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else |
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regex='^(.*): command not found$' |
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if [[ "$message" =~ $regex ]]; then |
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failure_type='COMMAND_NOT_FOUND' |
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failure_payload="${BASH_REMATCH[1]}" |
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else |
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regex='^exit' |
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if [[ "$message" =~ $regex ]]; then |
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failure_type='EXIT' |
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else |
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regex='^(.*): No such file or directory$' |
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if [[ "$message" =~ $regex ]]; then |
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failure_payload="${BASH_REMATCH[1]}" |
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if [[ $code == 1 ]]; then |
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failure_type='SOURCE_NOT_FOUND' |
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stack_lines[0]=$line |
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code=128 # change code to 128 to remember this embedded 'source not found' issue! |
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else |
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if [[ $code == 127 ]]; then |
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failure_type='FILE_NOT_FOUND' |
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regex='\.sh$|\.bash$' |
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if [[ "$failure_payload" =~ $regex ]]; then |
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stack_functions[0]="${stack_functions[0]} (hint: prefer source than subshell:1)" |
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code=129 # change code to 128 to remember this embedded 'source not found' issue! |
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# >&2 echo "${last_error}" |
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else |
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: |
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# >&2 echo "${last_error}" |
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fi |
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else |
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failure_type='UNKNOWN_NOT_FOUND' |
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fi |
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fi |
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fi |
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fi |
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fi |
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fi |
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fi |
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fi |
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else |
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failure_payload="${last_error}" |
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regex="╟─⟶" |
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if [[ "$last_error" =~ $regex ]]; then |
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last_trim=false # keep the last error for next stacktrace |
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error_block=false |
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failure_type='SUBSHELL_ERROR' |
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# |
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# >&4 echo "SUBSHELL_ERROR caught up ${BASH_SOURCE[*]} ${BASH_LINENO[*]}" |
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# |
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stack_functions[0]="${stack_functions[0]} (hint: prefer source than subshell)" |
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[[ "${code}" == 128 ]] && failure_type='SUBSHELL_SOURCE_NOT_FOUND' |
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else |
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failure_type='COMMAND_ERROR' |
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fi |
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fi |
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dump_failure "${last_trim:-true}" "${error_block:-true}" |
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else |
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dump_success |
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fi |
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# FIXME: be aware of errors during the on_exit function because it does not pop up! |
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miaou_debug "--end of on_exit => $code --" |
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builtin exit "$code" |
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} |
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function miaou_debug { |
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is_true "${MIAOU_DEBUG}" && >/dev/tty builtin echo -e "*********** DEBUG: $*" || true |
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} |
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function ansi_block_continuation { |
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tput sc |
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tput cuu 1 |
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BG=RED FG=BLACK style_ansi "\t╦" |
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tput rc |
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FG=RED style_ansi "\t║\n" |
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} |
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function ansi_block_error { |
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FG=BLACK |
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BG=RED |
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local content detail exit_code |
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content=$(style_ansi "$1") |
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content=$(PADDING=2 style_padding "$content") |
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detail="$2" |
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[[ -n "$detail" ]] && detail=$(BG=BLACK FG=WHITE PADDING=2 style_padding "$2") |
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exit_code=$(FG=CYAN PADDING=2 style_padding "$3") |
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builtin echo -en "\r" |
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BLOCK_CONTINUATION_COL=5 style_block "$content$detail$exit_code" |
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ansi_reset |
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FG=RED style_ansi " ║" && builtin echo |
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} |
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function ansi_traces { |
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local optional location sources lines functions |
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declare -n sources=$1 |
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declare -n lines=$2 |
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declare -n functions=$3 |
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optional=false |
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for i in "${!sources[@]}"; do |
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FG=RED style_ansi " ╟─⟶ " |
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location=$(printf "%40s" "${sources[$i]}:${lines[$i]}") |
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is_true "$optional" && |
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location=$(FG=GRAY STYLE=ITALIC style_ansi "$location") || |
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location=$(STYLE=ITALIC style_ansi "$location") |
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builtin echo "${location} ${functions[$i]}" |
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optional=true |
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done |
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} |
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function dump_failure { |
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declare -F style_ansi >/dev/null || source "$MIAOU_BASH_DIR/lib/ansi.bash" |
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dump_stderr "${1:-true}" |
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local error_block="${2:-true}" |
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if is_true $error_block; then |
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miaou_debug "---error box ${failure_type:-} ---" |
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if [[ ${failure_type} == 'SUBSHELL SOURCE NOT FOUND' ]]; then |
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: |
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else |
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>&4 ansi_block_error "$failure_type" "$failure_payload" "$code" |
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fi |
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miaou_debug '---end of error box---' |
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fi |
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miaou_debug '---stacktrace---' |
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>&4 ansi_traces stack_sources stack_lines stack_functions |
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miaou_debug '---end of stacktrace---' |
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cleanup |
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} |
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function dump_stderr { |
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last_trim=${1:-false} |
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mapfile -t tmp_error <"$MIAOU_BASH_ERROR" |
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is_true "$last_trim" && unset 'tmp_error[-1]' && tmp_error=("${tmp_error[@]}") |
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if [[ "${#tmp_error[@]}" -gt 0 ]]; then |
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miaou_debug '---stderr---' |
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>&4 printf '\r' |
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for i in "${tmp_error[@]}"; do |
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>&4 echo -e "$i" |
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done |
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else |
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miaou_debug '---no stderr---' |
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fi |
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} |
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function dump_success { |
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dump_stderr |
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cleanup |
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} |
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function cleanup { |
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trap - ERR TERM EXIT DEBUG USR1 |
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exec 3>&- 4>&- |
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rm "$MIAOU_BASH_ERROR" |
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} |
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# MAIN |
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set -TEue -o pipefail |
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[[ $# -lt 1 ]] && >&2 echo 'ERROR: script expected!' && builtin exit 1 |
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# trap 'on_exit $?' ERR TERM INT EXIT |
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trap 'on_exit $?' ERR EXIT |
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trap 'on_return' DEBUG |
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trap 'on_usr1' USR1 |
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BASH_ARGV0="$1" && shift # to pretend script runs by itself |
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# magic FD + delayed tee => /dev/fd/3 means delayed stderr, /dev/fd/4 remains original stderr |
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exec 3> >(tee "$MIAOU_BASH_ERROR" >/dev/null) 4>/dev/stderr |
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miaou_debug "---stdout--$$ $BASHPID $PPID--" |
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# shellcheck source=/dev/null |
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source "$BASH_ARGV0" 2>&3 |
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dump_success |
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@ -1,83 +0,0 @@ |
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#!/usr/bin/env bash |
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# CONSTANTS |
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TEST_COUNT=0 |
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SUCCESS_COUNT=0 |
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# functions |
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function assert { |
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((TEST_COUNT++)) |
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if ./test/stub/scenario.bash "$1" >/dev/null; then |
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((SUCCESS_COUNT++)) |
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else |
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(echo "error in: $1" && exit 1) |
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fi |
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} |
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function strip_ansi { |
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echo "$1" | sed -E 's/\x1b\[[0-9;]*[a-zA-Z]//g' |
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} |
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function fail_type { |
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((TEST_COUNT++)) |
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local i line first error_start_above regex hint_message |
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hint_message="${3:-}" |
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mapfile -t stderr <<<"$(./test/stub/scenario.bash "$1" 2>&1 >/dev/null)" |
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# echo "stderr countains ${#stderr[@]}" |
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error_start_above=false |
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success=false |
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regex="║[[:blank:]]+([A-Z|_]+)" |
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for i in "${!stderr[@]}"; do |
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line=$(strip_ansi "${stderr[$i]}") |
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first="${line:1:1}" |
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[[ $first == ╔ ]] && error_start_above=true && continue |
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if [[ "$error_start_above" == true ]]; then |
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[[ $line =~ $regex ]] && [[ ${BASH_REMATCH[1]} == "$2" ]] && success=true |
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break |
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fi |
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done |
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if [[ $success == true && -n "${hint_message}" ]]; then |
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success=false |
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regex="╟─⟶.*(\(.*\))$" |
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for j in $(seq "$((i + 1))" "$((${#stderr[@]} - 1))"); do |
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line=$(strip_ansi "${stderr[$j]}") |
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if [[ $line =~ $regex ]]; then |
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[[ "${BASH_REMATCH[1]}" == "${hint_message}" ]] && success=true |
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break |
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fi |
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done |
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fi |
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if [[ $success == true ]]; then |
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((SUCCESS_COUNT++)) |
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else |
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echo "error in: $1" && return 1 |
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fi |
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} |
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# main |
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set -uo pipefail |
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assert success |
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fail_type subshell_term SUBSHELL_TERM |
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fail_type unbound_variable UNBOUND_VARIABLE |
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fail_type false FALSE |
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fail_type return RETURN |
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fail_type command_not_found COMMAND_NOT_FOUND |
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fail_type exit EXIT |
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fail_type source_not_found SOURCE_NOT_FOUND |
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fail_type file_not_found FILE_NOT_FOUND |
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fail_type subshell_error COMMAND_NOT_FOUND '(hint: prefer source than subshell)' |
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fail_type command_error COMMAND_ERROR |
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failed=$((TEST_COUNT - SUCCESS_COUNT)) |
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if [[ $failed -gt 0 ]]; then |
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ratio=$((100 * SUCCESS_COUNT / TEST_COUNT)) |
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echo "${ratio}% passed, $SUCCESS_COUNT succeeded, $failed failed!" |
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exit 1 |
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else |
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echo 100% passed! |
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fi |
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||||
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