constellation/bazel/sh/lib.bash
Paul Meyer a0fddd44eb bazel: refactor shell rules into own package
Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>
2023-03-16 04:39:45 -04:00

63 lines
1.2 KiB
Bash
Executable File

#!/usr/bin/env bash
set -euo pipefail
set -o errtrace
shopt -s inherit_errexit
function printErr {
echo -e "\033[0;31mERROR:\033[0m ${1}"
}
function _exitHandler {
local exit_code=$1
if [[ ${exit_code} -ne 0 ]]; then
printErr "$0: exit status ${exit_code}"
fi
}
function _errorHandler {
local line=$1
local linecallfunc=$2
local command="$3"
local funcstack="$4"
printErr "$0: '${command}' failed at line ${line}"
if [[ ${funcstack} != "::" ]]; then
echo -ne "\tin ${funcstack} "
if [[ ${linecallfunc} != "" ]]; then
echo "called at line ${linecallfunc}"
else
echo
fi
fi
}
_exitHandlers=()
_errorHandlers=()
function registerExitHandler {
_exitHandlers+=("$1")
}
function registerErrorHandler {
_errorHandler+=("$1")
}
function _callExitHandlers {
_exitHandlers+=(_exitHandler) # Add our handler last.
for h in "${_exitHandlers[@]}"; do
${h} "$@"
done
}
function _callErrorHandlers {
_errorHandlers+=(_errorHandler) # Add our handler last.
for h in "${_errorHandlers[@]}"; do
${h} "$@"
done
}
trap '_callErrorHandlers $LINENO $BASH_LINENO "$BASH_COMMAND" $(printf "::%s" ${FUNCNAME[@]:-})' ERR
trap '_callExitHandlers $?' EXIT