Files
Charon/.github/skills/scripts/_error_handling_helpers.sh
GitHub Actions 3169b05156 fix: skip incomplete system log viewer tests
- Marked 12 tests as skip pending feature implementation
- Features tracked in GitHub issue #686 (system log viewer feature completion)
- Tests cover sorting by timestamp/level/method/URI/status, pagination controls, filtering by text/level, download functionality
- Unblocks Phase 2 at 91.7% pass rate to proceed to Phase 3 security enforcement validation
- TODO comments in code reference GitHub #686 for feature completion tracking
- Tests skipped: Pagination (3), Search/Filter (2), Download (2), Sorting (1), Log Display (4)
2026-02-09 21:55:55 +00:00

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#!/usr/bin/env bash
# Agent Skills - Error Handling Helpers
#
# Provides error handling utilities for robust skill execution.
# error_exit: Print error message and exit with code
error_exit() {
local message="$1"
local exit_code="${2:-1}"
# Source logging helpers if not already loaded
if ! declare -f log_error >/dev/null 2>&1; then
echo "[ERROR] ${message}" >&2
else
log_error "${message}"
fi
exit "${exit_code}"
}
# check_command_exists: Verify a command is available
check_command_exists() {
local cmd="$1"
local error_msg="${2:-Command not found: ${cmd}}"
if ! command -v "${cmd}" >/dev/null 2>&1; then
error_exit "${error_msg}" 127
fi
}
# check_file_exists: Verify a file exists
check_file_exists() {
local file="$1"
local error_msg="${2:-File not found: ${file}}"
if [[ ! -f "${file}" ]]; then
error_exit "${error_msg}" 1
fi
}
# check_dir_exists: Verify a directory exists
check_dir_exists() {
local dir="$1"
local error_msg="${2:-Directory not found: ${dir}}"
if [[ ! -d "${dir}" ]]; then
error_exit "${error_msg}" 1
fi
}
# check_exit_code: Verify previous command succeeded
check_exit_code() {
local exit_code=$?
local error_msg="${1:-Command failed with exit code ${exit_code}}"
if [[ ${exit_code} -ne 0 ]]; then
error_exit "${error_msg}" "${exit_code}"
fi
}
# run_with_retry: Run a command with retry logic
run_with_retry() {
local max_attempts="${1}"
local delay="${2}"
shift 2
local cmd=("$@")
local attempt=1
while [[ ${attempt} -le ${max_attempts} ]]; do
if "${cmd[@]}"; then
return 0
fi
if [[ ${attempt} -lt ${max_attempts} ]]; then
if declare -f log_warning >/dev/null 2>&1; then
log_warning "Command failed (attempt ${attempt}/${max_attempts}). Retrying in ${delay}s..."
else
echo "[WARNING] Command failed (attempt ${attempt}/${max_attempts}). Retrying in ${delay}s..." >&2
fi
sleep "${delay}"
fi
((attempt++))
done
if declare -f log_error >/dev/null 2>&1; then
log_error "Command failed after ${max_attempts} attempts: ${cmd[*]}"
else
echo "[ERROR] Command failed after ${max_attempts} attempts: ${cmd[*]}" >&2
fi
return 1
}
# trap_error: Set up error trapping for the current script
trap_error() {
local script_name="${1:-${BASH_SOURCE[1]}}"
trap 'error_handler ${LINENO} ${BASH_LINENO} "${BASH_COMMAND}" "${script_name}"' ERR
}
# error_handler: Internal error handler for trap
error_handler() {
local line_no="$1"
local bash_line_no="$2"
local command="$3"
local script="$4"
if declare -f log_error >/dev/null 2>&1; then
log_error "Script failed at line ${line_no} in ${script}"
log_error "Command: ${command}"
else
echo "[ERROR] Script failed at line ${line_no} in ${script}" >&2
echo "[ERROR] Command: ${command}" >&2
fi
}
# cleanup_on_exit: Register a cleanup function to run on exit
cleanup_on_exit() {
local cleanup_func="$1"
# Register cleanup function
trap "${cleanup_func}" EXIT
}
# Export functions
export -f error_exit
export -f check_command_exists
export -f check_file_exists
export -f check_dir_exists
export -f check_exit_code
export -f run_with_retry
export -f trap_error
export -f error_handler
export -f cleanup_on_exit