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74 lines
1.7 KiB
74 lines
1.7 KiB
#!/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' ]]
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}
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function miaou_debug {
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is_true "${MIAOU_DEBUG}" && >/dev/tty builtin echo -e "\r\e[90mDEBUG <==> \e[95m$*\e[0m" || true
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}
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function on_error {
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code="${1:-100}"
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miaou_debug "on_error: $code ($$ -- $BASHPID)"
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if [[ $$ == "$BASHPID" ]]; then
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>&2 echo "${BASH_SOURCE[1]}: line ${BASH_LINENO[0]}: command_error: ${code}"
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failure_type="COMMAND_ERROR"
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exit "$code"
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else
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>&2 echo "${BASH_SOURCE[1]}: line ${BASH_LINENO[0]}: subshell_error: ${code}"
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kill -PIPE $$
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fi
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}
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function dump_stderr {
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>&2 printf '' # flush
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miaou_debug --stderr--
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mapfile -t tmp_error <"$MIAOU_BASH_ERROR"
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for i in "${tmp_error[@]}"; do >&4 echo -e "$i"; done
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miaou_debug --end of stderr--
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}
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function on_exit {
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code="${1:-0}"
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failure_type="${failure_type:-UNDEFINED}"
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dump_stderr
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miaou_debug "on_exit $code $failure_type"
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}
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function on_pipe {
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local code=141 # default code error for pipe
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local tmp_error regex
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mapfile -t tmp_error <"$MIAOU_BASH_ERROR"
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last_error="${tmp_error[-1]}"
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regex='.*: line [0-9]+: subshell_error: ([0-9]+)'
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[[ $last_error =~ $regex ]] && code=${BASH_REMATCH[1]} && failure_type="SUBSHELL_ERROR"
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miaou_debug on_pipe: "${code}"
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exit "$code"
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}
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## main
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set -euo pipefail
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set -E # HALT on subshell error
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# set -T # DEBUG RETURN
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trap 'on_error $?' ERR
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trap 'on_exit $?' EXIT
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trap 'on_pipe' PIPE
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echo "--SOURCE scenario ${BASHPID}"
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exec 3> >(tee "$MIAOU_BASH_ERROR" >/dev/null) 4>/dev/stderr
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source ./test/stub/scenario.bash subshell_term 2>&3
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echo "--SUCCESS scenario"
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