import { GitCommandGitProject } from "@atomist/automation-client";
import { ExecuteGoalResult, ProgressLog, SpawnLogCommand } from "@atomist/sdm";
export declare function loglog(log: ProgressLog, msg: string): Promise<void>;
export declare type ExecuteLogger = (l: ProgressLog) => Promise<ExecuteGoalResult>;
export interface SpawnWatchCommand {
    cmd: SpawnLogCommand;
    cwd?: string;
}
/**
 * Transform a SpawnWatchCommand into an ExecuteLogger suitable for
 * execution by executeLoggers.  The operation is awaited and any
 * thrown exceptions are caught and transformed into an error result.
 * If an error occurs, it is logged.  The result of the operation is
 * transformed into a ExecuteGoalResult.  If an exception is caught,
 * the returned code is guaranteed to be non-zero.
 */
export declare function spawnExecuteLogger(swc: SpawnWatchCommand): ExecuteLogger;
/**
 * Transform a GitCommandGitProject operation into an ExecuteLogger
 * suitable for execution by executeLoggers.  The operation is awaited
 * and any thrown exceptions are caught and transformed into an error
 * result.  The returned standard out and standard error are written
 * to the log.  If an error occurs, it is logged.  The result of the
 * operation is transformed into a ExecuteGoalResult.  If an error is
 * returned or exception caught, the returned code is guaranteed to be
 * non-zero.
 */
export declare function gitExecuteLogger(gp: GitCommandGitProject, op: () => Promise<GitCommandGitProject>, name: string): ExecuteLogger;
/**
 * Execute an array of logged commands, creating a line-delimited
 * progress log beforehand, flushing after each command, and closing
 * it at the end.  If any command fails, bail out and return the
 * failure result.  Otherwise return Success.
 */
export declare function executeLoggers(els: ExecuteLogger[], progressLog: ProgressLog): Promise<ExecuteGoalResult>;